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+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
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+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

browser.py

@@ -0,0 +1,21 @@
+#!/usr/bin/python3
+import argparse, webbrowser
+
+WEB_BROWSER_PATH = {
+    'chromium': '/usr/bin/chromium --start-fullscreen %s',
+    'chrome': '/usr/bin/google-chrome --start-fullscreen %s',
+    'firefox': '/usr/bin/firefox --start-fullscreen %s',
+}
+
+def main(browser_path, url):
+    webbrowser.get(browser_path).open(url)
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="Web browser service")
+    parser.add_argument("--host", default="127.0.0.1", help=f"Host for HTTP server (default: 127.0.0.1")
+    parser.add_argument("--port", type=int, default=8000, help=f"Port for HTTP server (default: 8000)")
+    parser.add_argument("--browser",  default="chromium", help=f"default browser: chromium")
+    args = parser.parse_args()
+
+    main(WEB_BROWSER_PATH.get(args.browser, 'chromium'), f'http://{args.host}:{args.port}/')
+

etc/cargo-reductstore-install.sh

@@ -0,0 +1,12 @@
+!/bin/bash
+echo "--- install reductstore"
+
+sudo apt install libprotobuf-dev protobuf-compiler
+
+curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
+
+source .cargo/env
+cargo --version
+rustc --version
+cargo install reductstore
+

etc/install-sys.sh

@@ -0,0 +1,36 @@
+!/bin/bash
+
+echo "==== System installation for rpi 4/5"
+echo
+
+sudo apt update
+#sudo apt upgrade
+
+# system
+echo "==== system essential"
+sudo apt -y install build-essential openssl git pkg-config redis supervisor sqlitebrowser samba-client cifs-utils
+
+echo "==== python3 install"
+sudo apt -y install python3-dev python3-pip python3-venv default-libmysqlclient-dev libmariadb-dev libpq-dev python3-picamera2
+
+echo "==== supervisor http access config"
+sudo cp supervisor-inet_http.conf /etc/supervisor/conf.d/
+sudo ln -s scanner_service.conf /etc/supervisor/conf.d/
+sudo ln -s reductstore_service.conf /etc/supervisor/conf.d/
+
+echo "==== restart supervisor "
+sudo systemctl restart supervisor
+
+echo "==== python env with system site packages for picamera2"
+rm -rf ../.venv
+python -m venv --system-site-packages ../.venv
+source ../.venv/bin/activate
+
+echo "==== pip requirements"
+pip install -r ./requirements.txt
+
+echo "==== restart services if possible"
+sudo supervisorctl reread && sudo supervisorctl update
+
+echo "==== End "
+echo

etc/reductstore_service.conf

@@ -0,0 +1,13 @@
+
+[program:reductstore]
+process_name=%(program_name)s
+priority=10
+environment=RS_DATA_PATH="/home/rpi4/medias"
+directory=/home/rpi4/medias
+command=/home/rpi4/.cargo/bin/reductstore
+user=rpi4
+group=rpi4
+stopasgroup=true
+stopsignal=SIGINT
+autostart=true
+autorestart=true

etc/requirements.txt

@@ -0,0 +1,21 @@
+django
+pillow
+django-timezone-field
+django-resized
+django-colorfield
+django-celery-beat
+django-celery-results
+channels[daphne]
+channels-redis
+twisted[tls,http2]
+celery[redis]
+python-decouple
+PyYaml
+reduct-py
+python-dateutil
+psutil
+posix_ipc
+opencv-python-headless
+mysqlclient
+psycopg2
+pyserial

etc/samba_mount.txt

@@ -0,0 +1,17 @@
+Montage samba:
+=============
+
+sudo nano /etc/samba/.smb_creds
+username=user_windows
+password=mot_de_passe
+domain=WORKGROUP
+
+sudo chmod 600 /etc/samba/.smb_creds
+sudo chown root:root /etc/samba/.smb_creds
+
+sudo mkdir -p /mnt/exports
+sudo chown django:django /mnt/exports
+
+sudo nano /etc/fstab
+//192.168.1.210/scanner  /mnt/exports_cam  cifs  credentials=/etc/samba/.smb_creds,uid=django,gid=django,file_mode=0664,dir_mode=0775,iocharset=utf8,vers=3.0,_netdev,nofail  0  0 
+

etc/scanner_configuration.json

@@ -0,0 +1 @@
+[{"model": "scanner.configuration", "pk": 1, "fields": {"name": "Configuration par défaut", "author": 1, "sidebar_width": "360px", "default_grid_columns": 3, "opencv_fourcc_format": "mp4v", "opencv_video_type": "mp4", "grbl_xmax": 350.0, "grbl_ymax": 250.0, "use_rpicam": true, "webcam_device_index": 2, "image_quality": 90, "video_jpeg_quality": 90, "video_frame_rate": 5.0, "video_width_capture": 2028, "video_height_capture": 1520, "calibration_crop_radius": 512, "calibration_default_multiwell": "HG", "calibration_default_feed": 1000, "calibration_default_step": 1.0, "active": true}}]

etc/scanner_multiwell.json

@@ -0,0 +1 @@
+[{"model": "scanner.multiwell", "pk": 2, "fields": {"label": "Haut gauche", "position": "HG", "duration": 1, "order": 2, "xbase": 51.0, "ybase": 119.25, "cols": 6, "rows": 4, "dx": 19.55, "dy": 19.55, "feed": 1000, "active": true}}, {"model": "scanner.multiwell", "pk": 3, "fields": {"label": "Haut droit", "position": "HD", "duration": 1, "order": 0, "xbase": 36.0, "ybase": 97.25, "cols": 6, "rows": 4, "dx": 19.55, "dy": 19.55, "feed": 1000, "active": true}}, {"model": "scanner.multiwell", "pk": 4, "fields": {"label": "Bas gauche", "position": "BG", "duration": 1, "order": 3, "xbase": 36.0, "ybase": 97.25, "cols": 6, "rows": 4, "dx": 19.55, "dy": 19.55, "feed": 1000, "active": true}}, {"model": "scanner.multiwell", "pk": 5, "fields": {"label": "Bas droit", "position": "BD", "duration": 1, "order": 1, "xbase": 36.0, "ybase": 97.25, "cols": 6, "rows": 4, "dx": 19.55, "dy": 19.55, "feed": 1000, "active": true}}]

etc/scanner_service.conf

@@ -0,0 +1,46 @@
+[group:test_tube]
+programs=scanner,beat,workers
+
+[program:scanner]
+process_name=%(program_name)s
+priority=500
+directory=/home/rpi4/django-test-tube-scanner/test_tube_scanner
+command=
+    /home/rpi4/django-test-tube-scanner/.venv/bin/daphne
+    -b 0.0.0.0
+    -p 8000
+    home.asgi:application
+user=rpi4
+group=rpi4
+stopasgroup=true
+stopsignal=SIGINT
+autostart=true
+autorestart=true
+redirect_stderr=true
+
+[program:beat]
+process_name=%(program_name)s
+priority=800
+directory=/home/rpi4/django-test-tube-scanner/test_tube_scanner
+command=/home/rpi4/django-test-tube-scanner/.venv/bin/celery -A home beat -l info
+user=rpi4
+group=rpi4
+stopasgroup=true
+stopsignal=SIGINT
+autostart=true
+autorestart=true
+redirect_stderr=true
+
+[program:workers]
+process_name=%(program_name)s
+priority=900
+directory=/home/rpi4/django-test-tube-scanner/test_tube_scanner
+command=/home/rpi4/django-test-tube-scanner/run-workers.sh
+user=rpi4
+group=rpi4
+stopasgroup=true
+stopsignal=SIGINT
+autostart=true
+autorestart=true
+redirect_stderr=true
+

etc/scanner_well.json

@@ -0,0 +1 @@
+[{"model": "scanner.well", "pk": 1, "fields": {"author": 1, "name": "A1"}}, {"model": "scanner.well", "pk": 2, "fields": {"author": 1, "name": "A2"}}, {"model": "scanner.well", "pk": 3, "fields": {"author": 1, "name": "A3"}}, {"model": "scanner.well", "pk": 4, "fields": {"author": 1, "name": "A4"}}, {"model": "scanner.well", "pk": 5, "fields": {"author": 1, "name": "A5"}}, {"model": "scanner.well", "pk": 6, "fields": {"author": 1, "name": "A6"}}, {"model": "scanner.well", "pk": 7, "fields": {"author": 1, "name": "B1"}}, {"model": "scanner.well", "pk": 8, "fields": {"author": 1, "name": "B2"}}, {"model": "scanner.well", "pk": 9, "fields": {"author": 1, "name": "B3"}}, {"model": "scanner.well", "pk": 10, "fields": {"author": 1, "name": "B4"}}, {"model": "scanner.well", "pk": 11, "fields": {"author": 1, "name": "B5"}}, {"model": "scanner.well", "pk": 12, "fields": {"author": 1, "name": "B6"}}, {"model": "scanner.well", "pk": 13, "fields": {"author": 1, "name": "C1"}}, {"model": "scanner.well", "pk": 14, "fields": {"author": 1, "name": "C2"}}, {"model": "scanner.well", "pk": 15, "fields": {"author": 1, "name": "C3"}}, {"model": "scanner.well", "pk": 16, "fields": {"author": 1, "name": "C4"}}, {"model": "scanner.well", "pk": 17, "fields": {"author": 1, "name": "C5"}}, {"model": "scanner.well", "pk": 18, "fields": {"author": 1, "name": "C6"}}, {"model": "scanner.well", "pk": 19, "fields": {"author": 1, "name": "D1"}}, {"model": "scanner.well", "pk": 20, "fields": {"author": 1, "name": "D2"}}, {"model": "scanner.well", "pk": 21, "fields": {"author": 1, "name": "D3"}}, {"model": "scanner.well", "pk": 22, "fields": {"author": 1, "name": "D4"}}, {"model": "scanner.well", "pk": 23, "fields": {"author": 1, "name": "D5"}}, {"model": "scanner.well", "pk": 24, "fields": {"author": 1, "name": "D6"}}]

etc/supervisor-inet_http.conf

@@ -0,0 +1,4 @@
+[inet_http_server]
+   port=*:9001 
+   username=root
+   password=toor

run-workers.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+APP_DIR="/home/rpi4/django-test-tube-scanner"
+
+cd "$APP_DIR/test_tube_scanner"
+
+echo "start workers"
+$APP_DIR/.venv/bin/python manage.py start_workers
+
+echo "start celery" 
+$APP_DIR/.venv/bin/celery -A home worker -l info

test_tube_scanner/home/__init__.py

@@ -0,0 +1,6 @@
+from .celerymodule import appc as celery_app
+
+__all__ = ('celery_app',)
+__version__ = "0.1"
+
+default_app_config = 'home.apps.HomeConfig'

test_tube_scanner/home/apps.py

@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+from django.utils.translation import gettext_lazy as _
+
+class HomeConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'home'
+    verbose_name = _('Scanner de tube à essais')

test_tube_scanner/home/asgi.py

@@ -0,0 +1,29 @@
+"""
+ASGI config for home_automation project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.2/howto/deployment/asgi/
+"""
+import os
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'home.settings')
+
+from django.core.asgi import get_asgi_application
+django_asgi_app = get_asgi_application()
+
+from channels.auth import AuthMiddlewareStack
+from channels.routing import ProtocolTypeRouter, URLRouter
+from channels.security.websocket import AllowedHostsOriginValidator
+
+import scanner.routing
+
+
+application = ProtocolTypeRouter({
+    "http": django_asgi_app,
+    'websocket':  AllowedHostsOriginValidator(
+        AuthMiddlewareStack(
+            URLRouter(scanner.routing.websocket_urlpatterns)
+        ),
+    ),
+})

test_tube_scanner/home/celerymodule.py

@@ -0,0 +1,10 @@
+#
+# encoding: utf-8
+import os
+from celery import Celery
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'home.settings')
+
+appc = Celery('home')
+appc.config_from_object('django.conf:settings', namespace='CELERY')
+appc.autodiscover_tasks()

test_tube_scanner/home/context_processors.py

@@ -0,0 +1,11 @@
+#
+# encoding: utf-8
+from django.conf import settings
+
+def params(request):
+    return {
+        'APP_TITLE': settings.APP_TITLE,
+        'APP_SUB_TITLE': settings.APP_SUB_TITLE,
+        'self_url': request.build_absolute_uri(),
+    }
+

test_tube_scanner/home/locale/en/LC_MESSAGES/django.po

@@ -0,0 +1,89 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2026-02-24 08:51+0100\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+#: home/apps.py:7
+msgid "Automation"
+msgstr ""
+
+#: home/management/commands/init_data.py:63
+msgid "Base configuration"
+msgstr ""
+
+#: home/management/commands/init_data.py:144
+msgid "Non"
+msgstr ""
+
+#: home/management/commands/init_data.py:145
+#: home/management/commands/init_data.py:148
+msgid "Salon"
+msgstr ""
+
+#: home/management/commands/init_data.py:146
+msgid "Cellier"
+msgstr ""
+
+#: home/management/commands/init_data.py:147
+msgid "Cuisine"
+msgstr ""
+
+#: home/management/commands/init_data.py:149
+msgid "Entrée"
+msgstr ""
+
+#: home/management/commands/init_data.py:150
+msgid "Repas"
+msgstr ""
+
+#: home/management/commands/init_data.py:151
+msgid "Chambre 1"
+msgstr ""
+
+#: home/management/commands/init_data.py:152
+msgid "Chambre 2"
+msgstr ""
+
+#: home/management/commands/init_data.py:153
+msgid "Chambre 3"
+msgstr ""
+
+#: home/templates/inc/404.html:9
+msgid "Error: missing page."
+msgstr ""
+
+#: home/templates/inc/404.html:17
+msgid "This page does not exist.<br>Please re-enter a new address."
+msgstr ""
+
+#: home/templates/inc/500.html:9
+msgid "System error"
+msgstr ""
+
+#: home/templates/inc/500.html:17
+msgid ""
+"This page server can't run correctly.<br>Please contact the site "
+"administrator."
+msgstr ""
+
+#: templates/admin/base_site.html:4
+msgid "Django site admin"
+msgstr ""
+
+#: templates/admin/base_site.html:10
+msgid "Django administration"
+msgstr ""

test_tube_scanner/home/management/commands/export_jpg.py

@@ -0,0 +1,36 @@
+'''
+Created on 19 janv. 2026
+
+@author: denis
+'''
+from django.core.management.base import BaseCommand
+#from django.conf import settings
+from scanner.tasks import export_images
+from scanner.models import Configuration
+    
+class Command(BaseCommand):
+    help = "Exporter les images jpg dans un fichier ZIP"
+
+    def add_arguments(self, parser):
+        super(Command, self).add_arguments(parser)
+        parser.add_argument("--uuid", type=str, help=f"Export video to jpg zip file with uuid")
+
+    def handle(self, *args, **options):  # @UnusedVariable
+        try:
+            uuid = options.get('uuid')
+            conf = Configuration.objects.filter(active=True).first()
+            
+            print(f"Export video to jpg zip file with uuid: {uuid}")
+            # Export images ZIP
+            job_zip = export_images(
+                uuid,
+                start_ts=None,
+                end_ts=None,
+                jpeg_quality=conf.video_jpeg_quality,   # Qualité JPEG
+            )
+            print()
+            print(job_zip)
+
+        except Exception as e:
+            print("Export video to jpg zip file with uuid error", e)
+

test_tube_scanner/home/management/commands/export_video.py

@@ -0,0 +1,37 @@
+'''
+Created on 19 janv. 2026
+
+@author: denis
+'''
+from django.core.management.base import BaseCommand
+#from django.conf import settings
+from scanner.tasks import export_videos
+from scanner.models import Configuration
+    
+class Command(BaseCommand):
+    help = "Exporter les videos"
+
+    def add_arguments(self, parser):
+        super(Command, self).add_arguments(parser)
+        parser.add_argument("--uuid", type=str, help=f"Export video")
+ 
+    def handle(self, *args, **options):  # @UnusedVariable
+        try:
+            uuid = options.get('uuid')
+            conf = Configuration.objects.filter(active=True).first()
+            
+            print(f"Export video uuid: {uuid}", conf)
+            job = export_videos( 
+                uuid,
+                start_ts=None,
+                end_ts=None,
+                frame_rate=conf.video_frame_rate,                  # Frame rate de la vidéo exportée
+                opencv_fourcc_format=conf.opencv_fourcc_format,    # Format de compression vidéo (ex: 'mp4v' pour MP4),
+                opencv_video_type=conf.opencv_video_type,          # Type de vidéo exportée (ex: 'mp4', 'avi', 'mkv'),               
+            
+            )
+            print()          
+            print(f"Export video: {job.id}")
+        except Exception as e:
+            print("Export video uuid error", e)
+

test_tube_scanner/home/management/commands/init_data.py

@@ -0,0 +1,90 @@
+#
+# encoding: utf-8
+#import re
+#from django.utils.translation import gettext_lazy as _
+from django.conf import settings
+from django.core.management import BaseCommand
+from django_celery_beat.models import IntervalSchedule, CrontabSchedule, SolarSchedule
+from django.contrib.auth import get_user_model
+from scanner.models import Well
+
+def create_Well():
+    try:
+        if Well.objects.count() == 0:
+            for name in [
+                'A1', 'A2', 'A3', 'A4', 'A5', 'A6',
+                'B1', 'B2', 'B3', 'B4', 'B5', 'B6',
+                'C1', 'C2', 'C3', 'C4', 'C5', 'C6',
+                'D1', 'D2', 'D3', 'D4', 'D5', 'D6',
+                ]:
+                Well.objects.create(name=name, user_id=1)
+            print('Creating Well')
+    except Exception as e:
+        print(f'Creating well error {e}')
+
+
+def create_user():
+    try:
+        User = get_user_model()
+        if User.objects.count() == 0:
+            for email, username, password, is_superuser in settings.ADMINS:
+                if is_superuser:
+                    User.objects.create_superuser(
+                        email=email,
+                        username=username,
+                        password=password,
+                        is_active=True,
+                        is_superuser=is_superuser,
+                    )
+                else:
+                    User.objects.create_user(
+                        email=email,
+                        username=username,
+                        password=password,
+                        is_active=True,
+                    )
+                print(f'Creating {username} user with {password} password and email: {email} superuser: {is_superuser}')
+    except Exception as e:
+        print(f'Creating user error {e}')
+
+def create_schedule():
+    try:
+        for n in [1, 2, 5, 10, 15, 20, 30, 40, 45, 50]:
+            IntervalSchedule.objects.create(every=n, period='minutes')
+        print('Creating IntervalSchedule minutes')
+
+        for n in [1, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22]:
+            IntervalSchedule.objects.create(every=n, period='hours')
+        print('Creating IntervalSchedule hours')
+
+        for n in [1, 2, 3, 7, 15, 30, 60, 90, 180, 360]:
+            IntervalSchedule.objects.create(every=n, period='days')
+        print('Creating IntervalSchedule days')
+
+        CrontabSchedule.objects.create(minute='0', hour='4', day_of_week='*', timezone=settings.TIME_ZONE)
+        CrontabSchedule.objects.create(minute='0', hour='4', day_of_week='*/3', timezone=settings.TIME_ZONE)
+        CrontabSchedule.objects.create(minute='15', hour='4', day_of_week='*/3', timezone=settings.TIME_ZONE)
+        CrontabSchedule.objects.create(minute='30', hour='4', day_of_week='*/3', timezone=settings.TIME_ZONE)
+        CrontabSchedule.objects.create(minute='0', hour='18', day_of_week='*', timezone=settings.TIME_ZONE)
+        CrontabSchedule.objects.create(minute='15', hour='18', day_of_week='*/3', timezone=settings.TIME_ZONE)
+        CrontabSchedule.objects.create(minute='30', hour='18', day_of_week='*/3', timezone=settings.TIME_ZONE)
+        print('Creating CrontabSchedule')
+
+        SolarSchedule.objects.create(event='sunset', latitude=43.8, longitude=2.3)
+        SolarSchedule.objects.create(event='sunrise', latitude=43.8, longitude=2.3)
+        print('Creating SolarSchedule')
+
+    except Exception as e:
+        print(f'Creating schedule error {e}')
+
+
+class Command(BaseCommand):
+
+    def handle(self, *args, **options):
+        try:
+            create_user()
+            create_schedule()
+            create_Well()
+
+        except Exception as e:
+            print(f'Creating monitor error {e}')

test_tube_scanner/home/management/commands/list_urls.py

@@ -0,0 +1,20 @@
+#
+# encoding: utf-8
+from django.core.management import BaseCommand
+from django.urls import get_resolver
+
+class Command(BaseCommand):
+    def handle(self, *args, **kwargs):
+        
+        def show_urls(urllist, depth=0):
+            for entry in urllist:
+                print(entry.pattern)
+                if hasattr(entry, 'url_patterns'):
+                    show_urls(entry.url_patterns, depth + 1)
+
+        show_urls(get_resolver().url_patterns)
+        
+   
+        
+
+

test_tube_scanner/home/management/commands/rem_records.py

@@ -0,0 +1,38 @@
+'''
+Created on 19 janv. 2026
+
+@author: denis
+'''
+import asyncio
+from django.core.management.base import BaseCommand
+from scanner.export_tasks import remove_video_by_uuid
+from scanner.models import MultiWell
+
+
+async def remove_video(sid, multiwells):
+    for m in multiwells:
+        row_to_char = m.row_order.split(',')
+        for row in range(m.rows):
+            for col in range(m.cols):
+                uuid = f'{sid}-{m.position}-{row_to_char[row]}{col+1}'
+                filters = {"$and": [{"&session": { "$eq": sid} }]}
+                print(f"Delete video for {uuid} with filters {filters}")
+                await remove_video_by_uuid(uuid, when=filters)
+
+
+class Command(BaseCommand):
+    help = "Démarre les tâches Celery."
+
+    def add_arguments(self, parser):
+        super(Command, self).add_arguments(parser)
+        parser.add_argument("--session", type=int, default=0, help=f"Delete all videos from Session id")
+
+    def handle(self, *args, **options):  # @UnusedVariable
+        try:
+            sid = options.get('session')
+            multiwels = [m for m in  MultiWell.objects.filter(active=True).all() ]
+            asyncio.run(remove_video(sid, multiwels))
+
+        except Exception as e:
+            print("Delete all videos from Session error", e)
+

test_tube_scanner/home/management/commands/secret_key.py

@@ -0,0 +1,23 @@
+#
+# encoding: utf-8
+from uuid import uuid4
+from django.core.management import BaseCommand
+from django.core.management.utils import get_random_string;
+
+class Command(BaseCommand):
+    def add_arguments(self, parser):
+        super().add_arguments(parser)
+        parser.add_argument("--app", type=str, default='django', help=f"Default application django/reductstore")
+        parser.add_argument("--head", type=str, default='scanner', help=f"Default application django/reductstore")
+
+    def handle(self, *args, **options):
+        if options.get('app')=='django':
+            chars =  "abcdefghijklmnopqrstuvwxyz0123456789!@#€%^&*(-_=+)"
+
+            sk = get_random_string(50, chars)
+            print(f'django-insecure-{sk}')
+
+        elif options.get('app')=='reductstore':
+            head = options.get('head')
+            print(f'{head}-{uuid4()}')
+

test_tube_scanner/home/management/commands/start_workers.py

@@ -0,0 +1,26 @@
+'''
+Created on 19 janv. 2026
+
+@author: denis
+'''
+from django.core.management.base import BaseCommand
+from scanner import tasks as scanner_tasks
+
+
+
+class Command(BaseCommand):
+    help = "Démarre les tâches Celery."
+
+    def add_arguments(self, parser):
+        super(Command, self).add_arguments(parser)
+        #parser.add_argument("--task", action="store", dest="task", default='start_all')
+
+    def handle(self, *args, **options):  # @UnusedVariable
+        #task = options['task']
+        try:
+
+            scanner_tasks.scanner_start.delay()   # @UndefinedVariable
+            scanner_tasks.replay_start.delay()   # @UndefinedVariable
+        except Exception as e:
+            print(e)
+

test_tube_scanner/home/management/commands/test_L2544.py

@@ -0,0 +1,68 @@
+'''
+Created on 19 janv. 2026
+
+@author: denis
+'''
+from django.core.management.base import BaseCommand
+from modules.grbl import GRBLController, wait_for
+import time
+
+
+class Command(BaseCommand):
+    help = "Démarre les tâches Celery."
+
+    def add_arguments(self, parser):
+        super(Command, self).add_arguments(parser)
+        #parser.add_argument("--task", action="store", dest="task", default='start_all')
+
+    def handle(self, *args, **options):  # @UnusedVariable
+        def check_limits(grbl):
+            grbl.send("$130=")  # Limite max X
+            grbl.send("$131=")  # Limite max Y
+
+        def check_speed_limits(grbl):
+            grbl.send("$110")  # Vitesse max X
+            grbl.send("$111")  # Vitesse max Y
+            grbl.send("$112")  # Vitesse max Z
+
+        #task = options['task']
+        try:
+            grbl = GRBLController()
+            grbl.send("$$")
+
+            #print("clear_alarm")
+            #grbl.clear_alarm()
+            #print("home_machine")
+            #grbl.home_machine()
+
+            grbl.go_origin(feed=1000)
+            wait_for(4.0)
+            print("go_origin pos", grbl.get_mpos())
+
+            #grbl.go_origin(feed=1000)
+            #check_limits(grbl)
+
+
+            #print("home_machine")
+            #grbl.home_machine()
+
+            print("move_to 100, 100")
+            grbl.move_to(100, 100, feed=1500)
+            wait_for(4.0)
+
+            #print("halt")
+            #grbl.halt()
+            #wait_for(2.0)
+            #print("pos", grbl.get_mpos())
+
+            print("go_origin")
+            #grbl.go_origin(feed=2000)
+            grbl.move_to(0, 0, feed=3000)
+            wait_for(2.0)
+            print("pos", grbl.get_mpos())
+
+
+
+        except Exception as e:
+            print(e)
+

test_tube_scanner/home/middleware.py

@@ -0,0 +1,15 @@
+from django.conf import settings
+from django.utils import translation
+
+def SetDefaultLangMiddleware(get_response):
+
+    def middleware(request):
+        if not request.COOKIES.get('django_language'):
+            request.COOKIES['django_language'] = settings.LANGUAGE_CODE
+            translation.activate(settings.LANGUAGE_CODE)
+        elif request.COOKIES['django_language'] != settings.LANGUAGE_CODE:
+            request.COOKIES['django_language'] = settings.LANGUAGE_CODE
+            translation.activate(settings.LANGUAGE_CODE)
+        response = get_response(request)
+        return response
+    return middleware

test_tube_scanner/home/settings.py

@@ -0,0 +1,389 @@
+"""
+Django settings for monitoring project.
+
+Generated by 'django-admin startproject' using Django 5.1.6.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/5.1/ref/settings/
+"""
+
+from django.contrib.messages import constants as message_constants
+from pathlib import Path
+from decouple import config, Csv
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+PACKAGE_DIR = BASE_DIR.parent
+
+
+APP_DATAS = PACKAGE_DIR / config('APP_DATAS')
+print("Django application data:", APP_DATAS)
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/5.0/howto/deployment/checklist/
+
+DJANGO_APP = config('DJANGO_APP')
+APP_NAME = DJANGO_APP
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/
+SECRET_KEY = config("SECRET_KEY")
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = config('DEBUG', cast=bool)
+
+DOMAIN_SERVER = config("DOMAIN_SERVER")
+ALLOWED_HOSTS = config('ALLOWED_HOSTS', cast=Csv())
+ALLOWED_HOSTS += [DOMAIN_SERVER, '*']
+
+CSRF_TRUSTED_ORIGINS = config('CSRF_TRUSTED_ORIGINS', cast=Csv())
+CSRF_TRUSTED_ORIGINS += [f'http://{DOMAIN_SERVER}', f'https://{DOMAIN_SERVER}']
+
+SECURE_CROSS_ORIGIN_OPENER_POLICY = 'same-origin'
+X_FRAME_OPTIONS = 'SAMEORIGIN'
+
+
+# Application definition
+INSTALLED_APPS = [
+    'daphne',
+    'channels',
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'django_celery_beat',
+    'django_celery_results',
+    'celery',
+    'home',
+    'scanner',
+
+]
+
+
+AUTHENTICATION_BACKENDS = (
+    'django.contrib.auth.backends.ModelBackend',
+    #'contrib.auth.EmailBackend',
+)
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.locale.LocaleMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    'home.middleware.SetDefaultLangMiddleware',
+]
+
+ROOT_URLCONF = 'home.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [BASE_DIR / 'templates', ],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+                'home.context_processors.params',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'home.wsgi.application'
+ASGI_APPLICATION = 'home.asgi.application'
+
+MESSAGE_STORAGE = 'django.contrib.messages.storage.cookie.CookieStorage'
+
+# Redis
+#
+REDIS_HOST=config("REDIS_HOST")
+REDIS_PORT=int(config("REDIS_PORT"))
+
+CHANNEL_LAYERS = {
+    'default': {
+        'BACKEND': 'channels_redis.core.RedisChannelLayer',
+        'CONFIG': {
+            "hosts": [(REDIS_HOST, REDIS_PORT)],
+            "capacity": 5000,  # default 100
+            "expiry": 10,  # default 60
+        },
+    },
+}
+
+
+# Database
+# https://docs.djangoproject.com/en/5.1/ref/settings/#databases
+
+DATABASE_NAME = config('DATABASE_NAME')
+DATABASE_USER = config('DATABASE_USER')
+DATABASE_PASSWORD = config('DATABASE_PASSWORD')
+
+SQLITE3=config('SQLITE3')
+SQLITE3_PATH=config('SQLITE3_PATH')
+MARIADB=config('MARIADB')
+POSTGRES=config('POSTGRES')
+
+
+DATABASES = {
+    SQLITE3: {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': f'{SQLITE3_PATH}db.sqlite3',
+        "OPTIONS": {
+            "timeout": 20,
+        },
+    },
+    MARIADB: {
+        'ENGINE': 'django.db.backends.mysql',
+        'OPTIONS' : {
+            "init_command": "SET foreign_key_checks = 0;SET sql_mode='STRICT_TRANS_TABLES';",
+            'charset': 'utf8mb4',
+            },
+        'NAME': DATABASE_NAME,
+        'USER': DATABASE_USER,
+        'PASSWORD': DATABASE_PASSWORD,
+        'HOST': config("DATABASE_MARIADB_HOST"),
+        'PORT': config("DATABASE_MARIADB_PORT", cast=int),
+    },
+    POSTGRES: {
+        'ENGINE': 'django.db.backends.postgresql_psycopg2',
+        'NAME': DATABASE_NAME,
+        'USER': DATABASE_USER,
+        'PASSWORD': DATABASE_PASSWORD,
+        'HOST': config("DATABASE_POSTGRES_HOST"),
+        'PORT': config("DATABASE_POSTGRES_PORT", cast=int),
+    },
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/5.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/5.1/topics/i18n/
+#LANGUAGE_CODE = 'en-US'
+LANGUAGE_CODE = config('LANGUAGE_CODE')
+
+LANGUAGES = (
+    ('fr', 'Français'),
+    ('en', 'English'),
+)
+
+TIME_ZONE = config('TIME_ZONE')
+USE_I18N = True
+USE_L10N = True
+USE_TZ = True
+
+LOCALE_CODE = config('LOCALE_CODE')
+LOCALE_LC_ALL = config('LOCALE_LC_ALL')
+
+LOCALE_PATHS = (
+    BASE_DIR / 'home' / 'locale',
+)
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/5.1/howto/static-files/
+
+STATIC_URL = '/static/'
+STATIC_ROOT = APP_DATAS / 'staticfiles'
+
+MEDIA_URL = '/media/'
+MEDIA_ROOT = APP_DATAS / 'media'
+
+"""
+STATICFILES_DIRS = [
+    BASE_DIR / 'xxx',
+]
+"""
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/5.1/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+
+## LOGGING
+# CRITICAL=50, ERROR=40, WARN=30, INFO=20, DEBUG=10 and NOTSET=0
+
+LOGGING_FILE = config('LOGGING_FILE')
+IS_LOGGING = config('IS_LOGGING', cast=bool)
+
+LOGGING = None if not IS_LOGGING else {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'formatters': {
+        'simple': {
+            'format': '%(asctime)s - %(message)s'
+        },
+        "celery": {
+            "format": "%(asctime)s [%(levelname)s] %(name)s — %(message)s",
+            "datefmt": "%Y-%m-%d %H:%M:%S",
+        },
+    },
+    'handlers': {
+        "celery_file": {
+            "class"      : "logging.handlers.RotatingFileHandler",
+            "filename"   : BASE_DIR / "logs" / "celery.log",
+            "maxBytes"   : 10 * 1024 * 1024,   # 10 Mo par fichier
+            "backupCount": 5,                   # 5 fichiers max en rotation
+            "formatter"  : "celery",
+            "encoding"   : "utf-8",
+        },
+        'file': {
+            'level': 'INFO',
+            'class':'logging.handlers.RotatingFileHandler',
+            'filename': BASE_DIR / "logs" / LOGGING_FILE,
+            'maxBytes': 1024*1024*15, # 15MB
+            'backupCount': 10,
+            'formatter': 'simple',
+        },
+        'null':    {'class': 'logging.NullHandler',  },
+        'console': {'class': 'logging.StreamHandler',},
+    },
+    'loggers': {
+        "django":  {"handlers": ["null"], "level": "ERROR", "propagate": False,},
+        "uvicorn": {"handlers": ["null"], "level": "ERROR", "propagate": False,},
+        "daphne":  {"handlers": ["null"], "level": "ERROR", "propagate": False,},
+        'axes':    {"handlers": ['file',],"level": "INFO",  "propagate": True, },
+        "celery":        {"handlers": ["celery_file"], "level": "INFO", "propagate": False,},
+        "celery.task":   {"handlers": ["celery_file"], "level": "INFO", "propagate": False, },
+        "celery.worker": {"handlers": ["celery_file"], "level": "INFO", "propagate": False, },   
+        "scanner":       {"handlers": ["file"], "level": "INFO", "propagate": False,},
+    },
+}
+
+# ACCOUNT
+#
+LOGIN_URL = 'login'
+LOGIN_REDIRECT_URL = '/'
+LOGOUT_REDIRECT_URL = "/"
+
+##
+# application
+SUPERADMIN_MAIL = config('SUPERADMIN_MAIL')
+ADMINS = [
+    (SUPERADMIN_MAIL, config('SUPERADMIN'), config('SUPERADMIN_PASS'), True),
+]
+MANAGERS = ADMINS
+
+# w3 css
+MESSAGE_TAGS = {
+    message_constants.DEBUG: 'w3-purple',
+    message_constants.INFO: 'w3-blue',
+    message_constants.SUCCESS: 'w3-green',
+    message_constants.WARNING: 'w3-orange',
+    message_constants.ERROR: 'w3-red',
+}
+
+# Default css classes for widgets and labels
+DEFAULT_CSS = {
+   'error': 'w3-panel w3-red',          # displayed in the label
+   'errorlist': 'w3-padding-8 w3-red',  # encloses the error list
+   'required': 'w3-text-indigo',        # used in the label and label + input enclosing box. NB: w3-validate only works if the input precedes the label!
+   'label': 'w3-label',
+   'Textarea': 'w3-input w3-border',
+   'TextInput': 'w3-input w3-border',
+   'Select': 'w3-select w3-border',
+}
+
+# django mail
+#
+DEFAULT_TO_EMAIL = config("DEFAULT_TO_EMAIL")
+DEFAULT_FROM_EMAIL = config("DEFAULT_FROM_EMAIL")
+DEFAULT_EMAIL_CONTACT = config("DEFAULT_EMAIL_CONTACT")
+
+EMAIL_BACKEND = config("EMAIL_BACKEND")
+EMAIL_HOST = config("EMAIL_HOST")
+EMAIL_PORT = config("EMAIL_PORT", cast=int)
+EMAIL_HOST_USER = config("EMAIL_HOST_USER")
+EMAIL_HOST_PASSWORD = config("EMAIL_HOST_PASSWORD")
+EMAIL_USE_TLS = config('EMAIL_USE_TLS', cast=bool)
+
+## CELERY tasks
+#
+#from celery.schedules import crontab
+REDIS_HOST_PORT = f'{config("REDIS_HOST")}:{config("REDIS_PORT")}'
+CELERY_RESULT_BACKEND = f"redis://{REDIS_HOST_PORT}/1"
+CELERY_BROKER_URL = f"redis://{REDIS_HOST_PORT}/0"
+CELERY_TASK_RESULT_EXPIRES=3600
+CELERY_BROKER_CONNECTION_RETRY_ON_STARTUP = False
+CELERY_TIMEZONE=TIME_ZONE
+
+DJANGO_CELERY_BEAT_TZ_AWARE = False
+CELERY_ENABLE_UTC = True
+CELERY_TASK_TRACK_STARTED = True
+CELERY_TASK_TIME_LIMIT = 30 * 60
+CELERY_BEAT_SCHEDULER = 'django_celery_beat.schedulers:DatabaseScheduler'
+CELERY_ACCEPT_CONTENT = ['application/json']
+CELERY_RESULT_SERIALIZER = 'json'
+CELERY_TASK_SERIALIZER = 'json'
+
+CELERY_RESULT_EXTENDED = True
+CELERY_RESULT_BACKEND = 'django-db'
+DJANGO_CELERY_RESULTS_TASK_ID_MAX_LENGTH=191
+
+## reductstore
+#
+REDUCTSTORE_TOKEN = config('REDUCTSTORE_TOKEN')
+REDUCTSTORE_HOST = config('REDUCTSTORE_HOST')
+REDUCTSTORE_PORT = config('REDUCTSTORE_PORT', cast=int)
+REDUCTSTORE_URL = f'http://{REDUCTSTORE_HOST}:{REDUCTSTORE_PORT}'
+REDUCTSTORE_PATH = config("REDUCTSTORE_PATH")
+
+## servers app
+#
+USER = config('USER')
+GROUP = config('GROUP')
+SERVER_HOST_PORT = config('SERVER_HOST_PORT', cast=int)
+SERVER_HOST_IP = config('SERVER_HOST_IP')
+
+# ws
+SCANNER_WEBSOCKET_ROUTE = 'ws/scanner'
+REPLAY_WEBSOCKET_ROUTE = 'ws/replay'
+
+# app
+#
+DATA_UPLOAD_MAX_NUMBER_FIELDS = 10240
+APP_TITLE = config("APP_TITLE")
+APP_SUB_TITLE = config("APP_SUB_TITLE")
+DATETIME_FORMAT = '%d-%m-%Y-%m %H:%M:%S'
+
+#===========================
+# default configuration
+#
+#===========================
+# rpicam 4056x3040 2028x1080 2028x1520
+
+EXPORTS_LOCAL_PATH = config("EXPORTS_LOCAL_PATH")
+EXPORT_REMOTE_PATH = config("EXPORT_REMOTE_PATH")
+
+EXPORT_DESTINATIONS = ["local", "remote"]

test_tube_scanner/home/static/css/w3-custom.css

@@ -0,0 +1,220 @@
+/* custom.css */
+.w3-div-center          { margin: 0 auto; }
+.w3-hidden              { display: none; }
+.w3-no-border           { border: 0px; }
+.w3-no-resize			{ resize: none; }
+.w3-resize-vertical		{ resize: vertical; }
+.w3-resize-horizontal	{ resize: horiziontal; }
+.w3-text-upper          { text-transform: uppercase; }
+.w3-transparent         { background: transparent; }
+.w3-nbsp                { white-space: nowrap; }
+a.w3-word-wrap          { word-wrap: break-word;  }
+.w3-scroll-x            { overflow-x: auto; overflow-y: hidden; }
+.w3-scroll-y            { overflow-x: hidden; overflow-y: auto; }
+.w3-scroll              { overflow: auto; }
+
+.w3-show-off,
+.w3-display-none       { display: none; }
+.w3-show-on,
+.w3-display-block       { display: block; }
+.w3-inline              { display:inline-block; vertical-align: middle;}
+
+.w3-dropup              { width:100%; overflow:hidden; display:inline-block; }
+.w3-dropup-item         { float:left; width:auto; border:none; display:block; outline:0; }
+.w3-dropup .w3-dropup-content   { display: none; position: absolute; bottom: 3.0em; z-index: 1; }
+
+
+a.w3-no-deco:link,
+a.w3-no-deco:visited   	{ color: inherit; text-decoration: grey; }
+a.w3-no-deco:hover      { background-color: transparent; }
+ul.w3-no-deco           { list-style-type: none; }
+hr.w3-bar-item.divider  { margin: 0 .1em; padding: 0.025em; }
+
+.zindex-0   { z-index: 0;   }
+.zindex-1   { z-index: 10;  }
+.zindex-2   { z-index: 100; }
+.zindex-3   { z-index: 200; }
+.zindex-4   { z-index: 400; }
+
+.w3-no-padding,.w3-padding-0{ padding: 0; }
+.w3-padding-01              { padding: .1em;  }
+.w3-padding-02              { padding: .2em;  }
+.w3-padding-1               { padding: .25em; }
+.w3-padding-2               { padding: .5em;  }
+.w3-padding-3               { padding: .75em; }
+.w3-padding-4               { padding: 1em;   }
+.w3-padding-5               { padding: 1.5em; }
+.w3-padding-6               { padding: 2em;   }
+
+.w3-margin-auto				{ margin: 0 auto; }
+.w3-no-margin, .w3-margin-0 { margin: 0; }
+.w3-margin-01               { margin: .1em; }
+.w3-margin-02               { margin: .2em; }
+.w3-margin-1, .w3-margin-small  { margin: .25em; }
+.w3-margin-2, .w3-margin-medium { margin: .5em;  }
+.w3-margin-3                { margin: .75em; }
+.w3-margin-4                { margin: 1em;   }
+.w3-margin-5                { margin: 1.5em; }
+.w3-margin-6                { margin: 2em; }
+
+.w3-margin-left-1           { margin-left: .25em; }
+.w3-margin-left-2           { margin-left: .5em; }
+.w3-margin-left-3           { margin-left: .75em; }
+.w3-margin-left-4           { margin-left: 1em; }
+.w3-margin-left-5           { margin-left: 1.5em; }
+.w3-margin-left-6           { margin-left: 2em; }
+
+.w3-margin-right-1          { margin-right: .25em; }
+.w3-margin-right-2          { margin-right: .5em; }
+.w3-margin-right-3          { margin-right: .75em; }
+.w3-margin-right-4          { margin-right: 1em; }
+.w3-margin-right-5          { margin-right: 1.5em; }
+.w3-margin-right-6          { margin-right: 2em; }
+
+.w3-margin-top-1			{ margin-top: .25em; }
+.w3-margin-top-2			{ margin-top: .5em; }
+.w3-margin-top-3			{ margin-top: .75em; }
+.w3-margin-top-4			{ margin-top: 1em; }
+.w3-margin-top-5            { margin-top: 1.5em; }
+.w3-margin-top-6            { margin-top: 2em; }
+
+.w3-margin-bottom-1			{ margin-bottom: .25em; }
+.w3-margin-bottom-2			{ margin-bottom: .5em; }
+.w3-margin-bottom-3			{ margin-bottom: .75em; }
+.w3-margin-bottom-4			{ margin-bottom: 1em; }
+.w3-margin-bottom-5         { margin-bottom: 1.5em; }
+.w3-margin-bottom-6         { margin-bottom: 25em; }
+
+.w1     { width: 1%;  }
+.w4     { width: 4%;  }
+.w5     { width: 5%;  }
+.w9     { width: 9%;  }
+.w10    { width: 10%; }
+.w11    { width: 11%; }
+.w15    { width: 15%; }
+.w20    { width: 20%; }
+.w25    { width: 25%; }
+.w30    { width: 30%; }
+.w35    { width: 35%; }
+.w40    { width: 40%; }
+.w45    { width: 45%; }
+.w50    { width: 50%; }
+.w55    { width: 55%; }
+.w60    { width: 60%; }
+.w65    { width: 55%; }
+.w70    { width: 70%; }
+.w75    { width: 75%; }
+.w80    { width: 80%; }
+.w85    { width: 85%; }
+.w90    { width: 90%; }
+.w95    { width: 95%; }
+.w100   { width: 100%; }
+
+.w3-dark-low,.w3-hover-dark-low:hover,.w3-dark-low,.w3-hover-dark-low:hover{color:#fff!important;background-color:#111!important}
+.w3-dark-medium,.w3-hover-dark-medium:hover,.w3-dark-medium,.w3-hover-dark-medium:hover{color:#fff!important;background-color:#222!important}
+.w3-dark-light,.w3-hover-dark-light:hover,.w3-dark-light,.w3-hover-dark-light:hover{color:#fff!important;background-color:#333!important}
+.w3-dark-xlight,.w3-hover-dark-xlight:hover,.w3-dark-xlight,.w3-hover-dark-xlight:hover{color:#fff!important;background-color:#444!important}
+.w3-dark-xxlight,.w3-hover-dark-xxlight:hover,.w3-dark-xxlight,.w3-hover-dark-xxlight:hover{color:#fff!important;background-color:#555!important}
+.w3-dark-hight,.w3-hover-dark-hight:hover,.w3-dark-hight,.w3-hover-dark-hight:hover{color:#fff!important;background-color:#666!important}
+
+.w3-theme-light {color:#000 !important; background-color:#f5f7f8 !important}
+.w3-theme-dark {color:#fff !important; background-color:#303e45 !important}
+.w3-theme-action {color:#fff !important; background-color:#303e45 !important}
+.w3-theme {color:#fff !important; background-color:#607d8b !important}
+.w3-text-theme {color:#607d8b !important}
+.w3-border-theme {border-color:#607d8b !important}
+.w3-hover-theme:hover {color:#fff !important; background-color:#607d8b !important}
+.w3-hover-text-theme:hover {color:#607d8b !important}
+.w3-hover-border-theme:hover {border-color:#607d8b !important}
+
+
+.w3-flex-container, .w3-flex-container-row {
+	display: flex;
+	flex-direction: row;
+	justify-content: start;
+    align-content: start;
+	flex-wrap: wrap;
+}
+.w3-flex-container-col  {
+    display: flex;
+    flex-direction: row;
+    justify-content: start;
+    align-content: start;
+    flex-wrap: wrap;
+}
+.w3-flex-container-center   {
+	display: flex;
+	flex-direction: row;
+	flex-wrap: wrap;
+	justify-content: center;
+	align-content: center;
+	align-items: top;
+	margin: auto;
+}
+
+.w3-flex-item               { order: 0; flex: 0 1 auto; align-self: auto; margin: .25em;}
+.w3-flex-wrap               { display: flex; flex-wrap: wrap; }
+.w3-flex-wrap.align         { align-items: center; justify-content: center; }
+
+.cursor-alias {cursor: alias;}
+.cursor-all-scroll {cursor: all-scroll;}
+.cursor-auto {cursor: auto;}
+.cursor-cell {cursor: cell;}
+.cursor-context-menu {cursor: context-menu;}
+.cursor-col-resize {cursor: col-resize;}
+.cursor-copy {cursor: copy;}
+.cursor-crosshair {cursor: crosshair;}
+.cursor-default {cursor: default;}
+.cursor-e-resize {cursor: e-resize;}
+.cursor-ew-resize {cursor: ew-resize;}
+.cursor-grab {cursor: -webkit-grab; cursor: grab;}
+.cursor-grabbing {cursor: -webkit-grabbing; cursor: grabbing;}
+.cursor-help {cursor: help;}
+.cursor-move {cursor: move;}
+.cursor-n-resize {cursor: n-resize;}
+.cursor-ne-resize {cursor: ne-resize;}
+.cursor-nesw-resize {cursor: nesw-resize;}
+.cursor-ns-resize {cursor: ns-resize;}
+.cursor-nw-resize {cursor: nw-resize;}
+.cursor-nwse-resize {cursor: nwse-resize;}
+.cursor-no-drop {cursor: no-drop;}
+.cursor-none {cursor: none;}
+.cursor-not-allowed {cursor: not-allowed;}
+.cursor-pointer {cursor: pointer;}
+.cursor-progress {cursor: progress;}
+.cursor-row-resize {cursor: row-resize;}
+.cursor-s-resize {cursor: s-resize;}
+.cursor-se-resize {cursor: se-resize;}
+.cursor-sw-resize {cursor: sw-resize;}
+.cursor-text {cursor: text;}
+.cursor-w-resize {cursor: w-resize;}
+.cursor-wait {cursor: wait;}
+.cursor-zoom-in {cursor: zoom-in;}
+.cursor-zoom-out {cursor: zoom-out;}
+
+
+/* Extra small devices (phones, 600px and down) */
+@media only screen and (max-width: 600px) {
+	div.main-layout {background: transparent; margin:0.5em auto; width:100%; font-size: 1em; min-width:300px;}
+}
+
+/* Small devices (portrait tablets and large phones, 600px and up) */
+@media only screen and (min-width: 600px) {
+	div.main-layout {background: transparent; margin:1em auto; width:95%; font-size: 1.1em; min-width:300px;}
+}
+
+
+/* Medium devices (landscape tablets, 768px and up) */
+@media only screen and (min-width: 768px) {
+	div.main-layout {background: transparent; width:85%;font-size: 1.3em;}
+}
+
+/* Large devices (laptops/desktops, 992px and up) */
+@media only screen and (min-width: 992px) {
+  	div.main-layout {background: transparent; width:75%;}
+}
+
+/* Extra large devices (large laptops and desktops, 1200px and up) */
+@media only screen and (min-width: 1200px) {
+  	div.main-layout {background: transparent; width:70%; }
+}

test_tube_scanner/home/static/css/w3.css

@@ -0,0 +1,251 @@
+/* W3.CSS 5.02 March 31 2025 by Jan Egil and Borge Refsnes */
+html{box-sizing:border-box}*,*:before,*:after{box-sizing:inherit}
+/* Extract from normalize.css by Nicolas Gallagher and Jonathan Neal git.io/normalize */
+html{-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}
+article,aside,details,figcaption,figure,footer,header,main,menu,nav,section{display:block}summary{display:list-item}
+audio,canvas,progress,video{display:inline-block}progress{vertical-align:baseline}
+audio:not([controls]){display:none;height:0}[hidden],template{display:none}
+a{background-color:transparent}a:active,a:hover{outline-width:0}
+abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}
+b,strong{font-weight:bolder}dfn{font-style:italic}mark{background:#ff0;color:#000}
+small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}
+sub{bottom:-0.25em}sup{top:-0.5em}figure{margin:1em 40px}img{border-style:none}
+code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}hr{box-sizing:content-box;height:0;overflow:visible}
+button,input,select,textarea,optgroup{font:inherit;margin:0}optgroup{font-weight:bold}
+button,input{overflow:visible}button,select{text-transform:none}
+button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}
+button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{border-style:none;padding:0}
+button:-moz-focusring,[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring{outline:1px dotted ButtonText}
+fieldset{border:1px solid #c0c0c0;margin:0 2px;padding:.35em .625em .75em}
+legend{color:inherit;display:table;max-width:100%;padding:0;white-space:normal}textarea{overflow:auto}
+[type=checkbox],[type=radio]{padding:0}
+[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}
+[type=search]{-webkit-appearance:textfield;outline-offset:-2px}
+[type=search]::-webkit-search-decoration{-webkit-appearance:none}
+::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}
+/* End extract */
+html,body{font-family:Verdana,sans-serif;font-size:15px;line-height:1.5}html{overflow-x:hidden}
+h1{font-size:36px}h2{font-size:30px}h3{font-size:24px}h4{font-size:20px}h5{font-size:18px}h6{font-size:16px}
+.w3-serif{font-family:serif}.w3-sans-serif{font-family:sans-serif}.w3-cursive{font-family:cursive}.w3-monospace{font-family:monospace}
+h1,h2,h3,h4,h5,h6{font-family:"Segoe UI",Arial,sans-serif;font-weight:400;margin:10px 0}.w3-wide{letter-spacing:4px}
+hr{border:0;border-top:1px solid #eee;margin:20px 0}
+.w3-image{max-width:100%;height:auto}img{vertical-align:middle}a{color:inherit}
+.w3-table,.w3-table-all{border-collapse:collapse;border-spacing:0;width:100%;display:table}.w3-table-all{border:1px solid #ccc}
+.w3-bordered tr,.w3-table-all tr{border-bottom:1px solid #ddd}.w3-striped tbody tr:nth-child(even){background-color:#f1f1f1}
+.w3-table-all tr:nth-child(odd){background-color:#fff}.w3-table-all tr:nth-child(even){background-color:#f1f1f1}
+.w3-hoverable tbody tr:hover,.w3-ul.w3-hoverable li:hover{background-color:#ccc}.w3-centered tr th,.w3-centered tr td{text-align:center}
+.w3-table td,.w3-table th,.w3-table-all td,.w3-table-all th{padding:8px 8px;display:table-cell;text-align:left;vertical-align:top}
+.w3-table th:first-child,.w3-table td:first-child,.w3-table-all th:first-child,.w3-table-all td:first-child{padding-left:16px}
+.w3-btn,.w3-button{border:none;display:inline-block;padding:8px 16px;vertical-align:middle;overflow:hidden;text-decoration:none;color:inherit;background-color:inherit;text-align:center;cursor:pointer;white-space:nowrap}
+.w3-btn:hover{box-shadow:0 8px 16px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19)}
+.w3-btn,.w3-button{-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}   
+.w3-disabled,.w3-btn:disabled,.w3-button:disabled{cursor:not-allowed;opacity:0.3}.w3-disabled *,:disabled *{pointer-events:none}
+.w3-btn.w3-disabled:hover,.w3-btn:disabled:hover{box-shadow:none}
+.w3-badge,.w3-tag{background-color:#000;color:#fff;display:inline-block;padding-left:8px;padding-right:8px;text-align:center}.w3-badge{border-radius:50%}
+.w3-ul{list-style-type:none;padding:0;margin:0}.w3-ul li{padding:8px 16px;border-bottom:1px solid #ddd}.w3-ul li:last-child{border-bottom:none}
+.w3-tooltip,.w3-display-container{position:relative}.w3-tooltip .w3-text{display:none}.w3-tooltip:hover .w3-text{display:inline-block}
+.w3-ripple:active{opacity:0.5}.w3-ripple{transition:opacity 0s}
+.w3-input{padding:8px;display:block;border:none;border-bottom:1px solid #ccc;width:100%}
+.w3-select{padding:9px 0;width:100%;border:none;border-bottom:1px solid #ccc}
+.w3-dropdown-click,.w3-dropdown-hover{position:relative;display:inline-block;cursor:pointer}
+.w3-dropdown-hover:hover .w3-dropdown-content{display:block}
+.w3-dropdown-hover:first-child,.w3-dropdown-click:hover{background-color:#ccc;color:#000}
+.w3-dropdown-hover:hover > .w3-button:first-child,.w3-dropdown-click:hover > .w3-button:first-child{background-color:#ccc;color:#000}
+.w3-dropdown-content{cursor:auto;color:#000;background-color:#fff;display:none;position:absolute;min-width:160px;margin:0;padding:0;z-index:1}
+.w3-check,.w3-radio{width:24px;height:24px;position:relative;top:6px}
+.w3-sidebar{height:100%;width:200px;background-color:#fff;position:fixed!important;z-index:1;overflow:auto}
+.w3-bar-block .w3-dropdown-hover,.w3-bar-block .w3-dropdown-click{width:100%}
+.w3-bar-block .w3-dropdown-hover .w3-dropdown-content,.w3-bar-block .w3-dropdown-click .w3-dropdown-content{min-width:100%}
+.w3-bar-block .w3-dropdown-hover .w3-button,.w3-bar-block .w3-dropdown-click .w3-button{width:100%;text-align:left;padding:8px 16px}
+.w3-main,#main{transition:margin-left .4s}
+.w3-modal{z-index:3;display:none;padding-top:100px;position:fixed;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:rgb(0,0,0);background-color:rgba(0,0,0,0.4)}
+.w3-modal-content{margin:auto;background-color:#fff;position:relative;padding:0;outline:0;width:600px}
+.w3-bar{width:100%;overflow:hidden}.w3-center .w3-bar{display:inline-block;width:auto}
+.w3-bar .w3-bar-item{padding:8px 16px;float:left;width:auto;border:none;display:block;outline:0}
+.w3-bar .w3-dropdown-hover,.w3-bar .w3-dropdown-click{position:static;float:left}
+.w3-bar .w3-button{white-space:normal}
+.w3-bar-block .w3-bar-item{width:100%;display:block;padding:8px 16px;text-align:left;border:none;white-space:normal;float:none;outline:0}
+.w3-bar-block.w3-center .w3-bar-item{text-align:center}.w3-block{display:block;width:100%}
+.w3-responsive{display:block;overflow-x:auto}
+.w3-container:after,.w3-container:before,.w3-panel:after,.w3-panel:before,.w3-row:after,.w3-row:before,.w3-row-padding:after,.w3-row-padding:before,
+.w3-cell-row:before,.w3-cell-row:after,.w3-clear:after,.w3-clear:before,.w3-bar:before,.w3-bar:after{content:"";display:table;clear:both}
+.w3-col,.w3-half,.w3-third,.w3-twothird,.w3-threequarter,.w3-quarter{float:left;width:100%}
+.w3-col.s1{width:8.33333%}.w3-col.s2{width:16.66666%}.w3-col.s3{width:24.99999%}.w3-col.s4{width:33.33333%}
+.w3-col.s5{width:41.66666%}.w3-col.s6{width:49.99999%}.w3-col.s7{width:58.33333%}.w3-col.s8{width:66.66666%}
+.w3-col.s9{width:74.99999%}.w3-col.s10{width:83.33333%}.w3-col.s11{width:91.66666%}.w3-col.s12{width:99.99999%}
+@media (min-width:601px){.w3-col.m1{width:8.33333%}.w3-col.m2{width:16.66666%}.w3-col.m3,.w3-quarter{width:24.99999%}.w3-col.m4,.w3-third{width:33.33333%}
+.w3-col.m5{width:41.66666%}.w3-col.m6,.w3-half{width:49.99999%}.w3-col.m7{width:58.33333%}.w3-col.m8,.w3-twothird{width:66.66666%}
+.w3-col.m9,.w3-threequarter{width:74.99999%}.w3-col.m10{width:83.33333%}.w3-col.m11{width:91.66666%}.w3-col.m12{width:99.99999%}}
+@media (min-width:993px){.w3-col.l1{width:8.33333%}.w3-col.l2{width:16.66666%}.w3-col.l3{width:24.99999%}.w3-col.l4{width:33.33333%}
+.w3-col.l5{width:41.66666%}.w3-col.l6{width:49.99999%}.w3-col.l7{width:58.33333%}.w3-col.l8{width:66.66666%}
+.w3-col.l9{width:74.99999%}.w3-col.l10{width:83.33333%}.w3-col.l11{width:91.66666%}.w3-col.l12{width:99.99999%}}
+.w3-rest{overflow:hidden}.w3-stretch{margin-left:-16px;margin-right:-16px}
+.w3-content,.w3-auto{margin-left:auto;margin-right:auto}.w3-content{max-width:980px}.w3-auto{max-width:1140px}
+.w3-cell-row{display:table;width:100%}.w3-cell{display:table-cell}
+.w3-cell-top{vertical-align:top}.w3-cell-middle{vertical-align:middle}.w3-cell-bottom{vertical-align:bottom}
+.w3-hide{display:none!important}.w3-show-block,.w3-show{display:block!important}.w3-show-inline-block{display:inline-block!important}
+@media (max-width:1205px){.w3-auto{max-width:95%}}
+@media (max-width:600px){.w3-modal-content{margin:0 10px;width:auto!important}.w3-modal{padding-top:30px}
+.w3-dropdown-hover.w3-mobile .w3-dropdown-content,.w3-dropdown-click.w3-mobile .w3-dropdown-content{position:relative}	
+.w3-hide-small{display:none!important}.w3-mobile{display:block;width:100%!important}.w3-bar-item.w3-mobile,.w3-dropdown-hover.w3-mobile,.w3-dropdown-click.w3-mobile{text-align:center}
+.w3-dropdown-hover.w3-mobile,.w3-dropdown-hover.w3-mobile .w3-btn,.w3-dropdown-hover.w3-mobile .w3-button,.w3-dropdown-click.w3-mobile,.w3-dropdown-click.w3-mobile .w3-btn,.w3-dropdown-click.w3-mobile .w3-button{width:100%}}
+@media (max-width:768px){.w3-modal-content{width:500px}.w3-modal{padding-top:50px}}
+@media (min-width:993px){.w3-modal-content{width:900px}.w3-hide-large{display:none!important}.w3-sidebar.w3-collapse{display:block!important}}
+@media (max-width:992px) and (min-width:601px){.w3-hide-medium{display:none!important}}
+@media (max-width:992px){.w3-sidebar.w3-collapse{display:none}.w3-main{margin-left:0!important;margin-right:0!important}.w3-auto{max-width:100%}}
+.w3-top,.w3-bottom{position:fixed;width:100%;z-index:1}.w3-top{top:0}.w3-bottom{bottom:0}
+.w3-overlay{position:fixed;display:none;width:100%;height:100%;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,0.5);z-index:2}
+.w3-display-topleft{position:absolute;left:0;top:0}.w3-display-topright{position:absolute;right:0;top:0}
+.w3-display-bottomleft{position:absolute;left:0;bottom:0}.w3-display-bottomright{position:absolute;right:0;bottom:0}
+.w3-display-middle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%)}
+.w3-display-left{position:absolute;top:50%;left:0%;transform:translate(0%,-50%);-ms-transform:translate(-0%,-50%)}
+.w3-display-right{position:absolute;top:50%;right:0%;transform:translate(0%,-50%);-ms-transform:translate(0%,-50%)}
+.w3-display-topmiddle{position:absolute;left:50%;top:0;transform:translate(-50%,0%);-ms-transform:translate(-50%,0%)}
+.w3-display-bottommiddle{position:absolute;left:50%;bottom:0;transform:translate(-50%,0%);-ms-transform:translate(-50%,0%)}
+.w3-display-container:hover .w3-display-hover{display:block}.w3-display-container:hover span.w3-display-hover{display:inline-block}.w3-display-hover{display:none}
+.w3-display-position{position:absolute}
+.w3-circle{border-radius:50%}
+.w3-round-small{border-radius:2px}.w3-round,.w3-round-medium{border-radius:4px}.w3-round-large{border-radius:8px}.w3-round-xlarge{border-radius:16px}.w3-round-xxlarge{border-radius:32px}
+.w3-row-padding,.w3-row-padding>.w3-half,.w3-row-padding>.w3-third,.w3-row-padding>.w3-twothird,.w3-row-padding>.w3-threequarter,.w3-row-padding>.w3-quarter,.w3-row-padding>.w3-col{padding:0 8px}
+.w3-container,.w3-panel{padding:0.01em 16px}.w3-panel{margin-top:16px;margin-bottom:16px}
+.w3-grid{display:grid}.w3-grid-padding{display:grid;gap:16px}.w3-flex{display:flex}
+.w3-text-center{text-align:center}.w3-text-bold,.w3-bold{font-weight:bold}.w3-text-italic,.w3-italic{font-style:italic}
+.w3-code,.w3-codespan{font-family:Consolas,"courier new";font-size:16px}
+.w3-code{width:auto;background-color:#fff;padding:8px 12px;border-left:4px solid #4CAF50;word-wrap:break-word}
+.w3-codespan{color:crimson;background-color:#f1f1f1;padding-left:4px;padding-right:4px;font-size:110%}
+.w3-card,.w3-card-2{box-shadow:0 2px 5px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12)}
+.w3-card-4,.w3-hover-shadow:hover{box-shadow:0 4px 10px 0 rgba(0,0,0,0.2),0 4px 20px 0 rgba(0,0,0,0.19)}
+.w3-spin{animation:w3-spin 2s infinite linear}@keyframes w3-spin{0%{transform:rotate(0deg)}100%{transform:rotate(359deg)}}
+.w3-animate-fading{animation:fading 10s infinite}@keyframes fading{0%{opacity:0}50%{opacity:1}100%{opacity:0}}
+.w3-animate-opacity{animation:opac 0.8s}@keyframes opac{from{opacity:0} to{opacity:1}}
+.w3-animate-top{position:relative;animation:animatetop 0.4s}@keyframes animatetop{from{top:-300px;opacity:0} to{top:0;opacity:1}}
+.w3-animate-left{position:relative;animation:animateleft 0.4s}@keyframes animateleft{from{left:-300px;opacity:0} to{left:0;opacity:1}}
+.w3-animate-right{position:relative;animation:animateright 0.4s}@keyframes animateright{from{right:-300px;opacity:0} to{right:0;opacity:1}}
+.w3-animate-bottom{position:relative;animation:animatebottom 0.4s}@keyframes animatebottom{from{bottom:-300px;opacity:0} to{bottom:0;opacity:1}}
+.w3-animate-zoom {animation:animatezoom 0.6s}@keyframes animatezoom{from{transform:scale(0)} to{transform:scale(1)}}
+.w3-animate-input{transition:width 0.4s ease-in-out}.w3-animate-input:focus{width:100%!important}
+.w3-opacity,.w3-hover-opacity:hover{opacity:0.60}.w3-opacity-off,.w3-hover-opacity-off:hover{opacity:1}
+.w3-opacity-max{opacity:0.25}.w3-opacity-min{opacity:0.75}
+.w3-greyscale-max,.w3-grayscale-max,.w3-hover-greyscale:hover,.w3-hover-grayscale:hover{filter:grayscale(100%)}
+.w3-greyscale,.w3-grayscale{filter:grayscale(75%)}.w3-greyscale-min,.w3-grayscale-min{filter:grayscale(50%)}
+.w3-sepia{filter:sepia(75%)}.w3-sepia-max,.w3-hover-sepia:hover{filter:sepia(100%)}.w3-sepia-min{filter:sepia(50%)}
+.w3-tiny{font-size:10px!important}.w3-small{font-size:12px!important}.w3-medium{font-size:15px!important}.w3-large{font-size:18px!important}
+.w3-xlarge{font-size:24px!important}.w3-xxlarge{font-size:36px!important}.w3-xxxlarge{font-size:48px!important}.w3-jumbo{font-size:64px!important}
+.w3-left-align{text-align:left!important}.w3-right-align{text-align:right!important}.w3-justify{text-align:justify!important}.w3-center{text-align:center!important}
+.w3-border-0{border:0!important}.w3-border{border:1px solid #ccc!important}
+.w3-border-top{border-top:1px solid #ccc!important}.w3-border-bottom{border-bottom:1px solid #ccc!important}
+.w3-border-left{border-left:1px solid #ccc!important}.w3-border-right{border-right:1px solid #ccc!important}
+.w3-topbar{border-top:6px solid #ccc!important}.w3-bottombar{border-bottom:6px solid #ccc!important}
+.w3-leftbar{border-left:6px solid #ccc!important}.w3-rightbar{border-right:6px solid #ccc!important}
+.w3-section,.w3-code{margin-top:16px!important;margin-bottom:16px!important}
+.w3-margin{margin:16px!important}.w3-margin-top{margin-top:16px!important}.w3-margin-bottom{margin-bottom:16px!important}
+.w3-margin-left{margin-left:16px!important}.w3-margin-right{margin-right:16px!important}
+.w3-padding-small{padding:4px 8px!important}.w3-padding{padding:8px 16px!important}.w3-padding-large{padding:12px 24px!important}
+.w3-padding-16{padding-top:16px!important;padding-bottom:16px!important}.w3-padding-24{padding-top:24px!important;padding-bottom:24px!important}
+.w3-padding-32{padding-top:32px!important;padding-bottom:32px!important}.w3-padding-48{padding-top:48px!important;padding-bottom:48px!important}
+.w3-padding-64{padding-top:64px!important;padding-bottom:64px!important}
+.w3-padding-top-64{padding-top:64px!important}.w3-padding-top-48{padding-top:48px!important}
+.w3-padding-top-32{padding-top:32px!important}.w3-padding-top-24{padding-top:24px!important}
+.w3-left{float:left!important}.w3-right{float:right!important}
+.w3-button:hover{color:#000!important;background-color:#ccc!important}
+.w3-transparent,.w3-hover-none:hover{background-color:transparent!important}
+.w3-hover-none:hover{box-shadow:none!important}
+.w3-rtl{direction:rtl}.w3-ltr{direction:ltr}
+/* Colors */
+.w3-amber,.w3-hover-amber:hover{color:#000!important;background-color:#ffc107!important}
+.w3-aqua,.w3-hover-aqua:hover{color:#000!important;background-color:#00ffff!important}
+.w3-blue,.w3-hover-blue:hover{color:#fff!important;background-color:#2196F3!important}
+.w3-light-blue,.w3-hover-light-blue:hover{color:#000!important;background-color:#87CEEB!important}
+.w3-brown,.w3-hover-brown:hover{color:#fff!important;background-color:#795548!important}
+.w3-cyan,.w3-hover-cyan:hover{color:#000!important;background-color:#00bcd4!important}
+.w3-blue-grey,.w3-hover-blue-grey:hover,.w3-blue-gray,.w3-hover-blue-gray:hover{color:#fff!important;background-color:#607d8b!important}
+.w3-green,.w3-hover-green:hover{color:#fff!important;background-color:#4CAF50!important}
+.w3-light-green,.w3-hover-light-green:hover{color:#000!important;background-color:#8bc34a!important}
+.w3-indigo,.w3-hover-indigo:hover{color:#fff!important;background-color:#3f51b5!important}
+.w3-khaki,.w3-hover-khaki:hover{color:#000!important;background-color:#f0e68c!important}
+.w3-lime,.w3-hover-lime:hover{color:#000!important;background-color:#cddc39!important}
+.w3-orange,.w3-hover-orange:hover{color:#000!important;background-color:#ff9800!important}
+.w3-deep-orange,.w3-hover-deep-orange:hover{color:#fff!important;background-color:#ff5722!important}
+.w3-pink,.w3-hover-pink:hover{color:#fff!important;background-color:#e91e63!important}
+.w3-purple,.w3-hover-purple:hover{color:#fff!important;background-color:#9c27b0!important}
+.w3-deep-purple,.w3-hover-deep-purple:hover{color:#fff!important;background-color:#673ab7!important}
+.w3-red,.w3-hover-red:hover{color:#fff!important;background-color:#f44336!important}
+.w3-sand,.w3-hover-sand:hover{color:#000!important;background-color:#fdf5e6!important}
+.w3-teal,.w3-hover-teal:hover{color:#fff!important;background-color:#009688!important}
+.w3-yellow,.w3-hover-yellow:hover{color:#000!important;background-color:#ffeb3b!important}
+.w3-white,.w3-hover-white:hover{color:#000!important;background-color:#fff!important}
+.w3-black,.w3-hover-black:hover{color:#fff!important;background-color:#000!important}
+.w3-grey,.w3-hover-grey:hover,.w3-gray,.w3-hover-gray:hover{color:#000!important;background-color:#9e9e9e!important}
+.w3-light-grey,.w3-hover-light-grey:hover,.w3-light-gray,.w3-hover-light-gray:hover{color:#000!important;background-color:#f1f1f1!important}
+.w3-dark-grey,.w3-hover-dark-grey:hover,.w3-dark-gray,.w3-hover-dark-gray:hover{color:#fff!important;background-color:#616161!important}
+.w3-asphalt,.w3-hover-asphalt:hover{color:#fff!important;background-color:#343a40!important}
+.w3-crimson,.w3-hover-crimson:hover{color:#fff!important;background-color:#a20025!important}
+.w3-cobalt,w3-hover-cobalt:hover{color:#fff!important;background-color:#0050ef!important}
+.w3-emerald,.w3-hover-emerald:hover{color:#fff!important;background-color:#008a00!important}
+.w3-olive,.w3-hover-olive:hover{color:#fff!important;background-color:#6d8764!important}
+.w3-paper,.w3-hover-paper:hover{color:#000!important;background-color:#f8f9fa!important}
+.w3-sienna,.w3-hover-sienna:hover{color:#fff!important;background-color:#a0522d!important}
+.w3-taupe,.w3-hover-taupe:hover{color:#fff!important;background-color:#87794e!important}
+.w3-danger{color:#fff!important;background-color:#dd0000!important}
+.w3-note{color:#000!important;background-color:#fff599!important}
+.w3-info{color:#fff!important;background-color:#0a6fc2!important}
+.w3-warning{color:#000!important;background-color:#ffb305!important}
+.w3-success{color:#fff!important;background-color:#008a00!important}
+.w3-pale-red,.w3-hover-pale-red:hover{color:#000!important;background-color:#ffdddd!important}
+.w3-pale-green,.w3-hover-pale-green:hover{color:#000!important;background-color:#ddffdd!important}
+.w3-pale-yellow,.w3-hover-pale-yellow:hover{color:#000!important;background-color:#ffffcc!important}
+.w3-pale-blue,.w3-hover-pale-blue:hover{color:#000!important;background-color:#ddffff!important}
+.w3-text-amber,.w3-hover-text-amber:hover{color:#ffc107!important}
+.w3-text-aqua,.w3-hover-text-aqua:hover{color:#00ffff!important}
+.w3-text-blue,.w3-hover-text-blue:hover{color:#2196F3!important}
+.w3-text-light-blue,.w3-hover-text-light-blue:hover{color:#87CEEB!important}
+.w3-text-brown,.w3-hover-text-brown:hover{color:#795548!important}
+.w3-text-cyan,.w3-hover-text-cyan:hover{color:#00bcd4!important}
+.w3-text-blue-grey,.w3-hover-text-blue-grey:hover,.w3-text-blue-gray,.w3-hover-text-blue-gray:hover{color:#607d8b!important}
+.w3-text-green,.w3-hover-text-green:hover{color:#4CAF50!important}
+.w3-text-light-green,.w3-hover-text-light-green:hover{color:#8bc34a!important}
+.w3-text-indigo,.w3-hover-text-indigo:hover{color:#3f51b5!important}
+.w3-text-khaki,.w3-hover-text-khaki:hover{color:#b4aa50!important}
+.w3-text-lime,.w3-hover-text-lime:hover{color:#cddc39!important}
+.w3-text-orange,.w3-hover-text-orange:hover{color:#ff9800!important}
+.w3-text-deep-orange,.w3-hover-text-deep-orange:hover{color:#ff5722!important}
+.w3-text-pink,.w3-hover-text-pink:hover{color:#e91e63!important}
+.w3-text-purple,.w3-hover-text-purple:hover{color:#9c27b0!important}
+.w3-text-deep-purple,.w3-hover-text-deep-purple:hover{color:#673ab7!important}
+.w3-text-red,.w3-hover-text-red:hover{color:#f44336!important}
+.w3-text-sand,.w3-hover-text-sand:hover{color:#fdf5e6!important}
+.w3-text-teal,.w3-hover-text-teal:hover{color:#009688!important}
+.w3-text-yellow,.w3-hover-text-yellow:hover{color:#d2be0e!important}
+.w3-text-white,.w3-hover-text-white:hover{color:#fff!important}
+.w3-text-black,.w3-hover-text-black:hover{color:#000!important}
+.w3-text-grey,.w3-hover-text-grey:hover,.w3-text-gray,.w3-hover-text-gray:hover{color:#757575!important}
+.w3-text-light-grey,.w3-hover-text-light-grey:hover,.w3-text-light-gray,.w3-hover-text-light-gray:hover{color:#f1f1f1!important}
+.w3-text-dark-grey,.w3-hover-text-dark-grey:hover,.w3-text-dark-gray,.w3-hover-text-dark-gray:hover{color:#3a3a3a!important}
+.w3-border-amber,.w3-hover-border-amber:hover{border-color:#ffc107!important}
+.w3-border-aqua,.w3-hover-border-aqua:hover{border-color:#00ffff!important}
+.w3-border-blue,.w3-hover-border-blue:hover{border-color:#2196F3!important}
+.w3-border-light-blue,.w3-hover-border-light-blue:hover{border-color:#87CEEB!important}
+.w3-border-brown,.w3-hover-border-brown:hover{border-color:#795548!important}
+.w3-border-cyan,.w3-hover-border-cyan:hover{border-color:#00bcd4!important}
+.w3-border-blue-grey,.w3-hover-border-blue-grey:hover,.w3-border-blue-gray,.w3-hover-border-blue-gray:hover{border-color:#607d8b!important}
+.w3-border-green,.w3-hover-border-green:hover{border-color:#4CAF50!important}
+.w3-border-light-green,.w3-hover-border-light-green:hover{border-color:#8bc34a!important}
+.w3-border-indigo,.w3-hover-border-indigo:hover{border-color:#3f51b5!important}
+.w3-border-khaki,.w3-hover-border-khaki:hover{border-color:#f0e68c!important}
+.w3-border-lime,.w3-hover-border-lime:hover{border-color:#cddc39!important}
+.w3-border-orange,.w3-hover-border-orange:hover{border-color:#ff9800!important}
+.w3-border-deep-orange,.w3-hover-border-deep-orange:hover{border-color:#ff5722!important}
+.w3-border-pink,.w3-hover-border-pink:hover{border-color:#e91e63!important}
+.w3-border-purple,.w3-hover-border-purple:hover{border-color:#9c27b0!important}
+.w3-border-deep-purple,.w3-hover-border-deep-purple:hover{border-color:#673ab7!important}
+.w3-border-red,.w3-hover-border-red:hover{border-color:#f44336!important}
+.w3-border-sand,.w3-hover-border-sand:hover{border-color:#fdf5e6!important}
+.w3-border-teal,.w3-hover-border-teal:hover{border-color:#009688!important}
+.w3-border-yellow,.w3-hover-border-yellow:hover{border-color:#ffeb3b!important}
+.w3-border-white,.w3-hover-border-white:hover{border-color:#fff!important}
+.w3-border-black,.w3-hover-border-black:hover{border-color:#000!important}
+.w3-border-grey,.w3-hover-border-grey:hover,.w3-border-gray,.w3-hover-border-gray:hover{border-color:#9e9e9e!important}
+.w3-border-light-grey,.w3-hover-border-light-grey:hover,.w3-border-light-gray,.w3-hover-border-light-gray:hover{border-color:#f1f1f1!important}
+.w3-border-dark-grey,.w3-hover-border-dark-grey:hover,.w3-border-dark-gray,.w3-hover-border-dark-gray:hover{border-color:#616161!important}
+.w3-border-pale-red,.w3-hover-border-pale-red:hover{border-color:#ffe7e7!important}.w3-border-pale-green,.w3-hover-border-pale-green:hover{border-color:#e7ffe7!important}
+.w3-border-pale-yellow,.w3-hover-border-pale-yellow:hover{border-color:#ffffcc!important}.w3-border-pale-blue,.w3-hover-border-pale-blue:hover{border-color:#e7ffff!important}

test_tube_scanner/home/static/js/w3-custom.js

@@ -0,0 +1,42 @@
+/*
+** custom.js
+** GNU GENERAL PUBLIC LICENSE: (c) DD miraceti.net return document.querySelectorAll(id);
+*/
+let s   = function(sel) 			{ return document.querySelector(sel);  };
+let ss  = function(sel)             { return document.querySelectorAll(sel);  };
+let sId = function(sel) 			{ return document.getElementById(sel); };
+let isJsonObject  = function(value) { return value !== undefined && value !== null && typeof value === 'object'; }
+
+let sidebarOpen   = function(width, left, right)	{ right.style.marginLeft=width; left.style.width=width; left.style.display="block"; };
+let sidebarClose  = function(left, right) 			{ right.style.marginLeft="0"; left.style.display="none"; }
+let sidebarAction = function(width, left, right) 	{ (left.style.display==="none") ? sidebarOpen(width, left, right): sidebarClose(left, right); };
+let goFullscreen  = function()		{ if (!document.fullscreenElement) { document.documentElement.requestFullscreen(); } else { document.exitFullscreen(); } };
+
+let uuidFromId    = function(id)	{ return id.getAttribute('id').split('-')[1]; }
+let strReplace = function(str, c) 	{ return str.replace(/\s+g/, c); };
+let rtrim = function(str, c) 		{ return str.replace(/\s+$/, c); };
+let ltrim = function(str, c) 		{ return str.replace(/^\s+/, c); };
+let lastString = function(str, c) 	{ let n = str.split(c);  return n[n.length - 1]; };
+
+let toggleCheckboxesByName = function(name) {
+    const boxes = document.querySelectorAll(`input[type="checkbox"][name="${name}"]`);
+    const shouldCheck = Array.from(boxes).some(b => !b.checked);
+    boxes.forEach(b => b.checked = shouldCheck);
+};
+
+let toggleDisplay = function(el) {
+    const current = window.getComputedStyle(el).display;
+    el.style.display = (current === 'none') ? 'block': 'none';
+};
+
+function toLocalISOString(date) {
+    const offset = date.getTimezoneOffset() * 60000; // Convertir le décalage en millisecondes
+    const localDate = new Date(date.getTime() - offset);
+    return localDate.toISOString().slice(0, -1); // Retire le 'Z' final
+}
+
+function timestampToLocalISOString(timestamp) {
+    const date = new Date(timestamp*1000);
+    return toLocalISOString(date);
+}
+

test_tube_scanner/home/static/js/w3.js

@@ -0,0 +1,400 @@
+/* W3.JS 1.04 April 2019 by w3schools.com */
+"use strict";
+var w3 = {};
+w3.hide = function (sel) {
+  w3.hideElements(w3.getElements(sel));
+};
+w3.hideElements = function (elements) {
+  var i, l = elements.length;
+  for (i = 0; i < l; i++) {
+    w3.hideElement(elements[i]);
+  }
+};
+w3.hideElement = function (element) {
+  w3.styleElement(element, "display", "none");
+};
+w3.show = function (sel, a) {
+  var elements = w3.getElements(sel);
+  if (a) {w3.hideElements(elements);}
+  w3.showElements(elements);
+};
+w3.showElements = function (elements) {
+  var i, l = elements.length;
+  for (i = 0; i < l; i++) {
+    w3.showElement(elements[i]);
+  }
+};
+w3.showElement = function (element) {
+  w3.styleElement(element, "display", "block");
+};
+w3.addStyle = function (sel, prop, val) {
+  w3.styleElements(w3.getElements(sel), prop, val);
+};
+w3.styleElements = function (elements, prop, val) {
+  var i, l = elements.length;
+  for (i = 0; i < l; i++) {
+    w3.styleElement(elements[i], prop, val);
+  }
+};
+w3.styleElement = function (element, prop, val) {
+  element.style.setProperty(prop, val);
+};
+w3.toggleShow = function (sel) {
+  var i, x = w3.getElements(sel), l = x.length;
+  for (i = 0; i < l; i++) {
+    if (x[i].style.display == "none") {
+      w3.styleElement(x[i], "display", "block");
+    } else {
+      w3.styleElement(x[i], "display", "none");
+    }
+  }
+};
+w3.addClass = function (sel, name) {
+  w3.addClassElements(w3.getElements(sel), name);
+};
+w3.addClassElements = function (elements, name) {
+  var i, l = elements.length;
+  for (i = 0; i < l; i++) {
+    w3.addClassElement(elements[i], name);
+  }
+};
+w3.addClassElement = function (element, name) {
+  var i, arr1, arr2;
+  arr1 = element.className.split(" ");
+  arr2 = name.split(" ");
+  for (i = 0; i < arr2.length; i++) {
+    if (arr1.indexOf(arr2[i]) == -1) {element.className += " " + arr2[i];}
+  }
+};
+w3.removeClass = function (sel, name) {
+  w3.removeClassElements(w3.getElements(sel), name);
+};
+w3.removeClassElements = function (elements, name) {
+  var i, l = elements.length, arr1, arr2, j;
+  for (i = 0; i < l; i++) {
+    w3.removeClassElement(elements[i], name);
+  }
+};
+w3.removeClassElement = function (element, name) {
+  var i, arr1, arr2;
+  arr1 = element.className.split(" ");
+  arr2 = name.split(" ");
+  for (i = 0; i < arr2.length; i++) {
+    while (arr1.indexOf(arr2[i]) > -1) {
+      arr1.splice(arr1.indexOf(arr2[i]), 1);
+    }
+  }
+  element.className = arr1.join(" ");
+};
+w3.toggleClass = function (sel, c1, c2) {
+  w3.toggleClassElements(w3.getElements(sel), c1, c2);
+};
+w3.toggleClassElements = function (elements, c1, c2) {
+  var i, l = elements.length;
+  for (i = 0; i < l; i++) {
+    w3.toggleClassElement(elements[i], c1, c2);
+  }
+};
+w3.toggleClassElement = function (element, c1, c2) {
+  var t1, t2, t1Arr, t2Arr, j, arr, allPresent;
+  t1 = (c1 || "");
+  t2 = (c2 || "");
+  t1Arr = t1.split(" ");
+  t2Arr = t2.split(" ");
+  arr = element.className.split(" ");
+  if (t2Arr.length == 0) {
+    allPresent = true;
+    for (j = 0; j < t1Arr.length; j++) {
+      if (arr.indexOf(t1Arr[j]) == -1) {allPresent = false;}
+    }
+    if (allPresent) {
+      w3.removeClassElement(element, t1);
+    } else {
+      w3.addClassElement(element, t1);
+    }
+  } else {
+    allPresent = true;
+    for (j = 0; j < t1Arr.length; j++) {
+      if (arr.indexOf(t1Arr[j]) == -1) {allPresent = false;}
+    }
+    if (allPresent) {
+      w3.removeClassElement(element, t1);
+      w3.addClassElement(element, t2);
+    } else {
+      w3.removeClassElement(element, t2);
+      w3.addClassElement(element, t1);
+    }
+  }
+};
+w3.getElements = function (id) {
+  if (typeof id == "object") {
+    return [id];
+  } else {
+    return document.querySelectorAll(id);
+  }
+};
+w3.filterHTML = function(id, sel, filter) {
+  var a, b, c, i, ii, iii, hit;
+  a = w3.getElements(id);
+  for (i = 0; i < a.length; i++) {
+    b = a[i].querySelectorAll(sel);
+    for (ii = 0; ii < b.length; ii++) {
+      hit = 0;
+      if (b[ii].innerText.toUpperCase().indexOf(filter.toUpperCase()) > -1) {
+        hit = 1;
+      }
+      c = b[ii].getElementsByTagName("*");
+      for (iii = 0; iii < c.length; iii++) {
+        if (c[iii].innerText.toUpperCase().indexOf(filter.toUpperCase()) > -1) {
+          hit = 1;
+        }
+      }
+      if (hit == 1) {
+        b[ii].style.display = "";
+      } else {
+        b[ii].style.display = "none";
+      }
+    }
+  }
+};
+w3.sortHTML = function(id, sel, sortvalue) {
+  var a, b, i, ii, y, bytt, v1, v2, cc, j;
+  a = w3.getElements(id);
+  for (i = 0; i < a.length; i++) {
+    for (j = 0; j < 2; j++) {
+      cc = 0;
+      y = 1;
+      while (y == 1) {
+        y = 0;
+        b = a[i].querySelectorAll(sel);
+        for (ii = 0; ii < (b.length - 1); ii++) {
+          bytt = 0;
+          if (sortvalue) {
+            v1 = b[ii].querySelector(sortvalue).innerText;
+            v2 = b[ii + 1].querySelector(sortvalue).innerText;
+          } else {
+            v1 = b[ii].innerText;
+            v2 = b[ii + 1].innerText;
+          }
+          v1 = v1.toLowerCase();
+          v2 = v2.toLowerCase();
+          if ((j == 0 && (v1 > v2)) || (j == 1 && (v1 < v2))) {
+            bytt = 1;
+            break;
+          }
+        }
+        if (bytt == 1) {
+          b[ii].parentNode.insertBefore(b[ii + 1], b[ii]);
+          y = 1;
+          cc++;
+        }
+      }
+      if (cc > 0) {break;}
+    }
+  }
+};
+w3.slideshow = function (sel, ms, func) {
+  var i, ss, x = w3.getElements(sel), l = x.length;
+  ss = {};
+  ss.current = 1;
+  ss.x = x;
+  ss.ondisplaychange = func;
+  if (!isNaN(ms) || ms == 0) {
+    ss.milliseconds = ms;
+  } else {
+    ss.milliseconds = 1000;
+  }
+  ss.start = function() {
+    ss.display(ss.current)
+    if (ss.ondisplaychange) {ss.ondisplaychange();}
+    if (ss.milliseconds > 0) {
+      window.clearTimeout(ss.timeout);
+      ss.timeout = window.setTimeout(ss.next, ss.milliseconds);
+    }
+  };
+  ss.next = function() {
+    ss.current += 1;
+    if (ss.current > ss.x.length) {ss.current = 1;}
+    ss.start();
+  };
+  ss.previous = function() {
+    ss.current -= 1;
+    if (ss.current < 1) {ss.current = ss.x.length;}
+    ss.start();
+  };
+  ss.display = function (n) {
+    w3.styleElements(ss.x, "display", "none");
+    w3.styleElement(ss.x[n - 1], "display", "block");
+  }
+  ss.start();
+  return ss;
+};
+w3.includeHTML = function(cb) {
+  var z, i, elmnt, file, xhttp;
+  z = document.getElementsByTagName("*");
+  for (i = 0; i < z.length; i++) {
+    elmnt = z[i];
+    file = elmnt.getAttribute("w3-include-html");
+    if (file) {
+      xhttp = new XMLHttpRequest();
+      xhttp.onreadystatechange = function() {
+        if (this.readyState == 4) {
+          if (this.status == 200) {elmnt.innerHTML = this.responseText;}
+          if (this.status == 404) {elmnt.innerHTML = "Page not found.";}
+          elmnt.removeAttribute("w3-include-html");
+          w3.includeHTML(cb);
+        }
+      }
+      xhttp.open("GET", file, true);
+      xhttp.send();
+      return;
+    }
+  }
+  if (cb) cb();
+};
+w3.getHttpData = function (file, func) {
+  w3.http(file, function () {
+    if (this.readyState == 4 && this.status == 200) {
+      func(this.responseText);
+    }
+  });
+};
+w3.getHttpObject = function (file, func) {
+  w3.http(file, function () {
+    if (this.readyState == 4 && this.status == 200) {
+      func(JSON.parse(this.responseText));
+    }
+  });
+};
+w3.displayHttp = function (id, file) {
+  w3.http(file, function () {
+    if (this.readyState == 4 && this.status == 200) {
+      w3.displayObject(id, JSON.parse(this.responseText));
+    }
+  });
+};
+w3.http = function (target, readyfunc, xml, method) {
+  var httpObj;
+  if (!method) {method = "GET"; }
+  if (window.XMLHttpRequest) {
+    httpObj = new XMLHttpRequest();
+  } else if (window.ActiveXObject) {
+    httpObj = new ActiveXObject("Microsoft.XMLHTTP");
+  }
+  if (httpObj) {
+    if (readyfunc) {httpObj.onreadystatechange = readyfunc;}
+    httpObj.open(method, target, true);
+    httpObj.send(xml);
+  }
+};
+w3.getElementsByAttribute = function (x, att) {
+  var arr = [], arrCount = -1, i, l, y = x.getElementsByTagName("*"), z = att.toUpperCase();
+  l = y.length;
+  for (i = -1; i < l; i += 1) {
+    if (i == -1) {y[i] = x;}
+    if (y[i].getAttribute(z) !== null) {arrCount += 1; arr[arrCount] = y[i];}
+  }
+  return arr;
+};
+w3.dataObject = {},
+w3.displayObject = function (id, data) {
+  var htmlObj, htmlTemplate, html, arr = [], a, l, rowClone, x, j, i, ii, cc, repeat, repeatObj, repeatX = "";
+  htmlObj = document.getElementById(id);
+  htmlTemplate = init_template(id, htmlObj);
+  html = htmlTemplate.cloneNode(true);
+  arr = w3.getElementsByAttribute(html, "w3-repeat");
+  l = arr.length;
+  for (j = (l - 1); j >= 0; j -= 1) {
+    cc = arr[j].getAttribute("w3-repeat").split(" ");
+    if (cc.length == 1) {
+      repeat = cc[0];
+    } else {
+      repeatX = cc[0];
+      repeat = cc[2];
+    }
+    arr[j].removeAttribute("w3-repeat");
+    repeatObj = data[repeat];
+    if (repeatObj && typeof repeatObj == "object" && repeatObj.length != "undefined") {
+      i = 0;
+      for (x in repeatObj) {
+        i += 1;
+        rowClone = arr[j];
+        rowClone = w3_replace_curly(rowClone, "element", repeatX, repeatObj[x]);
+        a = rowClone.attributes;
+        for (ii = 0; ii < a.length; ii += 1) {
+          a[ii].value = w3_replace_curly(a[ii], "attribute", repeatX, repeatObj[x]).value;
+        }
+        (i === repeatObj.length) ? arr[j].parentNode.replaceChild(rowClone, arr[j]) : arr[j].parentNode.insertBefore(rowClone, arr[j]);
+      }
+    } else {
+      console.log("w3-repeat must be an array. " + repeat + " is not an array.");
+      continue;
+    }
+  }
+  html = w3_replace_curly(html, "element");
+  htmlObj.parentNode.replaceChild(html, htmlObj);
+  function init_template(id, obj) {
+    var template;
+    template = obj.cloneNode(true);
+    if (w3.dataObject.hasOwnProperty(id)) {return w3.dataObject[id];}
+    w3.dataObject[id] = template;
+    return template;
+  }
+  function w3_replace_curly(elmnt, typ, repeatX, x) {
+    var value, rowClone, pos1, pos2, originalHTML, lookFor, lookForARR = [], i, cc, r;
+    rowClone = elmnt.cloneNode(true);
+    pos1 = 0;
+    while (pos1 > -1) {
+      originalHTML = (typ == "attribute") ? rowClone.value : rowClone.innerHTML;
+      pos1 = originalHTML.indexOf("{{", pos1);
+      if (pos1 === -1) {break;}
+      pos2 = originalHTML.indexOf("}}", pos1 + 1);
+      lookFor = originalHTML.substring(pos1 + 2, pos2);
+      lookForARR = lookFor.split("||");
+      value = undefined;
+      for (i = 0; i < lookForARR.length; i += 1) {
+        lookForARR[i] = lookForARR[i].replace(/^\s+|\s+$/gm, ''); //trim
+        if (x) {value = x[lookForARR[i]];}
+        if (value == undefined && data) {value = data[lookForARR[i]];}
+        if (value == undefined) {
+          cc = lookForARR[i].split(".");
+          if (cc[0] == repeatX) {value = x[cc[1]]; }
+        }
+        if (value == undefined) {
+          if (lookForARR[i] == repeatX) {value = x;}
+        }
+        if (value == undefined) {
+          if (lookForARR[i].substr(0, 1) == '"') {
+            value = lookForARR[i].replace(/"/g, "");
+          } else if (lookForARR[i].substr(0,1) == "'") {
+            value = lookForARR[i].replace(/'/g, "");
+          }
+        }
+        if (value != undefined) {break;}
+      }
+      if (value != undefined) {
+        r = "{{" + lookFor + "}}";
+        if (typ == "attribute") {
+          rowClone.value = rowClone.value.replace(r, value);
+        } else {
+          w3_replace_html(rowClone, r, value);
+        }
+      }
+      pos1 = pos1 + 1;
+    }
+    return rowClone;
+  }
+  function w3_replace_html(a, r, result) {
+    var b, l, i, a, x, j;
+    if (a.hasAttributes()) {
+      b = a.attributes;
+      l = b.length;
+      for (i = 0; i < l; i += 1) {
+        if (b[i].value.indexOf(r) > -1) {b[i].value = b[i].value.replace(r, result);}
+      }
+    }
+    x = a.getElementsByTagName("*");
+    l = x.length;
+    a.innerHTML = a.innerHTML.replace(r, result);
+  }
+};

test_tube_scanner/home/static/webfonts/fa-regular-400.svg

@@ -0,0 +1,803 @@
+<?xml version="1.0" standalone="no"?>
+<!--
+Font Awesome Free 5.10.2 by @fontawesome - https://fontawesome.com
+License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
+-->
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">
+<metadata>
+Created by FontForge 20190801 at Thu Aug 22 14:41:09 2019
+ By Robert Madole
+Copyright (c) Font Awesome
+</metadata>
+<defs>
+<font id="FontAwesome5Free-Regular" horiz-adv-x="512" >
+  <font-face 
+    font-family="Font Awesome 5 Free Regular"
+    font-weight="400"
+    font-stretch="normal"
+    units-per-em="512"
+    panose-1="2 0 5 3 0 0 0 0 0 0"
+    ascent="448"
+    descent="-64"
+    bbox="-0.0663408 -64.0662 640.01 448.1"
+    underline-thickness="25"
+    underline-position="-50"
+    unicode-range="U+0020-F5C8"
+  />
+    <missing-glyph />
+    <glyph glyph-name="heart" unicode="&#xf004;" 
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+    <glyph glyph-name="star" unicode="&#xf005;" horiz-adv-x="576" 
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+    <glyph glyph-name="user" unicode="&#xf007;" horiz-adv-x="448" 
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+    <glyph glyph-name="clock" unicode="&#xf017;" 
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+    <glyph glyph-name="flag" unicode="&#xf024;" 
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+    <glyph glyph-name="bookmark" unicode="&#xf02e;" horiz-adv-x="384" 
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+    <glyph glyph-name="image" unicode="&#xf03e;" 
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+c4.6875 4.68652 12.2852 4.68652 16.9717 0l87.5146 -87.5146v-80h-320z" />
+    <glyph glyph-name="edit" unicode="&#xf044;" horiz-adv-x="576" 
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+    <glyph glyph-name="check-circle" unicode="&#xf058;" 
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+    <glyph glyph-name="question-circle" unicode="&#xf059;" 
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+</defs></svg>

test_tube_scanner/home/templates/base.html

@@ -0,0 +1,28 @@
+{% extends 'layout.html' %}
+
+{% block slider %}
+	<div id="sidebar" class="w3-sidebar w3-bar-block w3-animate-left w3-dark-medium">
+		{% block sidebar %}{% endblock  %}
+	</div>
+{% endblock %}
+
+{% block main %}
+	<div id="main">
+		{% block header %}{% endblock  %}
+		<div class="content">
+			{% block content %}{% endblock %}
+		</div>
+		{% block footer %}{% endblock  %}
+	</div>
+{% endblock %}
+
+
+{% block js_footer %}
+	<script>
+		const widthSidebar = "{{ conf.sidebar_width }}";
+		const sidebar = sId("sidebar");
+		const main = sId("main");
+		function toggleSidebar() { sidebarAction(widthSidebar, sidebar, main); }
+		sidebarOpen(widthSidebar, sidebar, main);
+	</script>
+{% endblock %}

test_tube_scanner/home/templates/inc/404.html

@@ -0,0 +1,20 @@
+{% extends 'dashboard/base.html' %}
+{% load i18n %}
+
+{% block main_content %}
+<div class="w3-black w3-border w3-div-center" style="margin: 10em; height: 20em">
+    {% block main-bar %}
+    <div class="w3-orange">
+        <div class="w3-bar">
+            <div class="w3-bar-item">{% block bar-title %}{% trans "Error: missing page." %}{% endblock %}</div>
+            <div class="w3-right">
+            	<a href="/" class="w3-bar-item w3-button w3-right">&times;</a>
+            </div>
+        </div>
+    </div>
+    {% endblock %}
+    <h4 class="w3-padding">
+        {% trans "This page does not exist.<br>Please re-enter a new address." %}
+    </h4>
+</div>
+{% endblock %}

test_tube_scanner/home/templates/inc/500.html

@@ -0,0 +1,23 @@
+{% extends 'dashboard/base.html' %}
+{% load  i18n %}
+
+{% block main_content %}
+<div class="w3-black w3-border w3-div-center" style="margin: 10em; height: 20em">
+    {% block main-bar %}
+    <div class="w3-orange">
+        <div class="w3-bar">
+            <div class="w3-bar-item">{% block bar-title %}{% trans "System error" %}{% endblock %}</div>
+            <div class="w3-right">
+                <a href="/" class="w3-bar-item w3-button w3-right">&times;</a>
+            </div>
+        </div>
+    </div>
+    {% endblock %}
+    <h4 class="w3-padding">
+        {% trans "This page server can't run correctly.<br>Please contact the site administrator." %}
+        <h6 class="w3-margin">{{ error }}</h6>
+    </h4>
+</div>
+{% endblock %}
+
+

test_tube_scanner/home/templates/inc/alert.html

@@ -0,0 +1,13 @@
+
+{% if messages %}
+<div class="alert">
+	{% for message in messages %}
+		<div class="w3-bar {% if message.tags %}{{ message.tags }}{% endif %}" style="width: 100%" >
+			<div class="w3-bar-item">{{ message }}</div>
+			<div class="w3-bar-item w3-button w3-right" onclick="this.parentElement.style.display='none'">&times;</div>
+		</div>
+	{% endfor %}
+</div>
+{% endif %}
+
+

test_tube_scanner/home/templates/inc/image-preview.html

@@ -0,0 +1,7 @@
+<div class="w3-modal" id="imagemodal" style="z-index: 200;">
+	<div class="w3-modal-content w3-border w3-dark-medium">
+		<button onclick="sId('imagemodal').style.display='none'" class="w3-btn w3-display-topright w3-xlarge">&#x2716;</button>
+		<img src="" id="imagepreview" style="width: 100%;min-height: 150px;">
+	</div>
+</div>
+

test_tube_scanner/home/templates/layout.html

@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>{% block title %}Test Tube Scanner{% endblock %}</title>
+    	{% block metas %}
+        <meta name="description" content="{% block description %}{% endblock %}">
+        <meta name="author" content="<dnix-421">
+        <meta name="mobile-web-app-capable" content="yes">
+        <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui">
+        <meta http-equiv="content-type" content="text/html; charset=UTF-8">
+        <link href="/static/img/logo.png" rel="shortcut icon">
+	    {% endblock %}
+        <link href="/static/css/w3.css" rel="stylesheet">
+        <link href="/static/css/all.min.css" rel="stylesheet">
+        <link href="/static/css/w3-custom.css" rel="stylesheet">
+	    {% block styles %}{% endblock %}
+        <script src="/static/js/w3-custom.js"></script>
+		{% block js_header %}{% endblock %}
+    </head>
+    <body id="top-body" class="w3-black" style="margin: 0; padding: 0;">
+	    {% block main_content %}
+	    	{% block slider %}{% endblock  %}
+	    	{% block main %}
+				{% block header %}{% endblock  %}
+			    {% block content %}{% endblock %}
+			    {% block footer %}{% endblock %}
+			{% endblock  %}
+	    {% endblock %}
+	    {% block modal %}{% endblock  %}
+	    {% block js_footer %}{% endblock %}
+    </body>
+</html>

test_tube_scanner/home/templatetags/home_tags.py

@@ -0,0 +1,131 @@
+# encoding: utf-8
+import time, json
+from datetime import datetime, timezone
+
+from django import template
+from django.utils.html import format_html #, escape
+
+register = template.Library()
+
+@register.simple_tag
+def icon_name(obj, name=None):
+    if not name:
+        name = obj.name
+    color, icon = '#FF0000', ''
+    if obj.icon:
+        color, icon = obj.color, obj.icon.html
+    result = f"""<span style="color:{color}">{icon}</span><span>&nbsp;{name}</span>"""
+    return format_html(result)
+
+
+@register.simple_tag
+def x_range(start, end=None, step=1):
+    """
+    Usage:
+    {% x_range 1 5 as my_range %}
+    ou
+    {% x_range 0 10 2 as my_range %}
+    Retourne une liste Python similaire à range(start, end, step).
+    """
+    try:
+        # convertir en entiers
+        if end is None:
+            # seul un argument passé -> range(0, start)
+            start = int(start)
+            seq = list(range(start))
+        else:
+            start = int(start)
+            end = int(end)
+            step = int(step)
+            seq = list(range(start, end, step))
+    except (ValueError, TypeError):
+        seq = []
+    return seq
+
+
+@register.filter
+def epoch(value):
+    try:
+        return int(time.mktime(value.timetuple())*1000)
+    except AttributeError:
+        return ''
+
+@register.filter
+def to_int(value):
+    return int(value)
+
+
+@register.simple_tag
+def math_inc(value):
+    return value + 1
+
+
+@register.simple_tag
+def math_dec(value):
+    return value - 1
+
+@register.simple_tag
+def math_sub(value, arg):
+    return value - arg
+
+@register.simple_tag
+def math_add(value, arg):
+    return value + arg
+
+@register.simple_tag
+def math_mul(value, arg):
+    return value * arg
+
+@register.simple_tag
+def math_div(value, arg):
+    return value / arg
+
+@register.simple_tag
+def define(val=None):
+    return val
+
+@register.simple_tag
+def concat(*args):
+    c = ""
+    for arg in args:
+        c += str(arg)
+    return c
+
+@register.filter
+def nope(value):
+    try:
+        return not int(value)
+    except:
+        return False
+
+@register.simple_tag
+def dict_to_json(dictionary):
+    return json.dumps(dictionary)
+
+
+@register.simple_tag
+def from_dict(dictionary, key):
+    return dictionary.get(key)
+
+@register.simple_tag
+def from_list(lst, key):
+    try:
+        return lst[key]
+    except:
+        return ""
+
+@register.simple_tag
+def from_choices(dictionary, key):
+    for k, v in dictionary:
+        if k == key:
+            return v
+    return ''
+
+@register.simple_tag
+def in_intlist(lst, key):
+    return key in lst
+
+@register.simple_tag
+def in_charlist(lst, key):
+    return str(key) in lst
+

test_tube_scanner/home/urls.py

@@ -0,0 +1,52 @@
+"""
+URL configuration for monitoring project.
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/5.1/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.conf.urls.i18n import i18n_patterns
+from django.contrib.auth import views as auth_views
+from django.conf import settings
+from django.contrib import admin
+from django.urls import path, re_path, include
+from django.views.static import serve
+from django.views.generic import RedirectView
+from . import views
+
+handler404 = views.handler404
+handler500 = views.handler500
+
+
+urlpatterns = [
+    path('i18n/', include('django.conf.urls.i18n')),
+]
+
+urlpatterns += i18n_patterns(
+    path('admin/', admin.site.urls),
+    path('login/', auth_views.LoginView.as_view(template_name='admin/login.html'), name='login'),
+    path('logout/', auth_views.LogoutView.as_view(), name='logout'),
+
+    path('', RedirectView.as_view(url='/scanner/main/', permanent=True), name='redirect_to_mainboard'),
+    path('scanner/', include('scanner.urls', namespace='scanner')),
+)
+
+if settings.DEBUG:
+    from django.conf.urls.static import static
+    from django.contrib.staticfiles.urls import staticfiles_urlpatterns
+    urlpatterns += staticfiles_urlpatterns()
+    urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
+else:
+    urlpatterns += i18n_patterns(
+        re_path(r'^media/(?P<path>.*)$', serve,{'document_root': settings.MEDIA_ROOT}),
+        re_path(r'^static/(?P<path>.*)$', serve,{'document_root': settings.STATIC_ROOT}),
+    )

test_tube_scanner/home/views.py

@@ -0,0 +1,11 @@
+#
+# encoding: utf-8
+from django.shortcuts import render
+
+
+def handler404(request, *args, **argv):
+    return render(request, 'inc/404.html', status=404)
+
+
+def handler500(request, *args, **argv):
+    return render(request, 'inc/500.html', status=500)

test_tube_scanner/home/wsgi.py

@@ -0,0 +1,16 @@
+"""
+WSGI config for home_automation project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.2/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'home.settings')
+
+application = get_wsgi_application()

test_tube_scanner/manage.py

@@ -0,0 +1,22 @@
+#!../.venv/bin/python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'home.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

test_tube_scanner/modules/capture_interface.py

@@ -0,0 +1,304 @@
+"""
+Interface abstraite de capture vidéo.
+Définit le contrat que toutes les implémentations doivent respecter.
+
+    4 méthodes @abstractmethod à implémenter : open(), close(), capture_frame(), is_available()
+        Boucle de capture dans un thread daemon avec compensation de latence pour tenir les 5 fps
+        Callback set_frame_callback(fn) appelé à chaque frame avec (bytes, datetime)
+        save_frame() avec horodatage, start()/stop(), gestionnaire de contexte (with)
+        CaptureError exception dédiée
+"""
+import os
+os.environ['OPENCV_LOG_LEVEL']="0"
+os.environ['OPENCV_FFMPEG_LOGLEVEL']="0"
+import cv2
+import numpy as np
+
+import abc
+import time
+import threading
+import logging
+from datetime import datetime, timezone
+from pathlib import Path
+from typing import Optional, Callable, TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from .circular_crop import CircularCrop     # Evite l'import circulaire au runtime
+
+logger = logging.getLogger(__name__)
+
+
+class CaptureError(Exception):
+    """Exception levée lors d'une erreur de capture."""
+    pass
+
+
+class VideoCaptureInterface(abc.ABC):
+    """
+    Interface abstraite pour la capture d'images vidéo en JPEG.
+
+    Cadence cible : 5 images par seconde (configurable).
+    Les sous-classes doivent implémenter les méthodes abstraites
+    pour gérer le matériel spécifique.
+    """
+
+    # Cadence par défaut en images par seconde
+    DEFAULT_FPS: float = 5.0
+
+    def __init__(self, fps: float = DEFAULT_FPS):
+        """
+        Initialise l'interface de capture.
+
+        :param fps: Cadence cible en images par seconde
+        """
+        self._fps: float = fps
+        self._interval: float = 1.0 / fps       # Intervalle en secondes entre chaque capture
+        self._running: bool = False              # Indique si la capture est en cours
+        self._thread: Optional[threading.Thread] = None
+        self._frame_count: int = 0               # Compteur total d'images capturées
+        self._on_frame: Optional[Callable[[bytes, datetime], None]] = None  # Callback image
+        self._circular_crop: Optional["CircularCrop"] = None  # Recadrage circulaire optionnel
+        self._active_median = False
+
+    # ------------------------------------------------------------------
+    # Méthodes abstraites — obligatoires dans les sous-classes
+    # ------------------------------------------------------------------
+
+    @abc.abstractmethod
+    def open(self) -> None:
+        """
+        Ouvre et initialise le périphérique de capture.
+        Doit lever CaptureError si le périphérique n'est pas disponible.
+        """
+
+    @abc.abstractmethod
+    def close(self) -> None:
+        """
+        Libère le périphérique de capture et toutes les ressources associées.
+        """
+
+    @abc.abstractmethod
+    def capture_frame(self) -> bytes:
+        """
+        Capture une seule image et la retourne en JPEG brut.
+
+        :return: Données JPEG de l'image sous forme de bytes
+        :raises CaptureError: Si la capture échoue
+        """
+
+    @abc.abstractmethod
+    def is_available(self) -> bool:
+        """
+        Vérifie si le périphérique est prêt à capturer.
+
+        :return: True si le périphérique est opérationnel
+        """
+
+    # ------------------------------------------------------------------
+    # Méthodes concrètes communes à toutes les implémentations
+    # ------------------------------------------------------------------
+
+    @property
+    def fps(self) -> float:
+        """Cadence actuelle en images par seconde."""
+        return self._fps
+
+    @fps.setter
+    def fps(self, value: float) -> None:
+        """Modifie la cadence de capture à la volée."""
+        if value <= 0:
+            raise ValueError("La cadence doit être un nombre positif")
+        self._fps = value
+        self._interval = 1.0 / value
+        logger.debug("Cadence mise à jour : %.1f fps (intervalle %.3f s)", value, self._interval)
+
+    @property
+    def frame_count(self) -> int:
+        """Nombre total d'images capturées depuis le démarrage."""
+        return self._frame_count
+
+    def set_frame_callback(self, callback: Callable[[bytes, datetime], None]) -> None:
+        """
+        Définit la fonction appelée à chaque nouvelle image capturée.
+
+        :param callback: Fonction(jpeg_bytes, timestamp) appelée pour chaque frame
+        """
+        self._on_frame = callback
+
+    def start(self) -> None:
+        """
+        Démarre la capture en continu dans un thread dédié.
+        Appelle open() si le périphérique n'est pas encore disponible.
+        """
+        if self._running:
+            logger.warning("La capture est déjà en cours")
+            return
+
+        if not self.is_available():
+            logger.info("Ouverture du périphérique avant démarrage")
+            self.open()
+
+        self._running = True
+        self._frame_count = 0
+        self._thread = threading.Thread(
+            target=self._capture_loop,
+            name=f"{self.__class__.__name__}-capture",
+            daemon=True,                          # Thread démon : s'arrête avec le processus principal
+        )
+        self._thread.start()
+        logger.info("%s : capture démarrée à %.1f fps", self.__class__.__name__, self._fps)
+
+    def stop(self) -> None:
+        """
+        Arrête la capture et attend la fin du thread.
+        Appelle close() pour libérer les ressources.
+        """
+        if not self._running:
+            return
+
+        self._running = False
+        if self._thread and self._thread.is_alive():
+            self._thread.join(timeout=5.0)        # Attente max 5 secondes
+        self.close()
+        logger.info(
+            "%s : capture arrêtée — %d images capturées",
+            self.__class__.__name__,
+            self._frame_count,
+        )
+
+    def set_circular_crop(self, crop: Optional["CircularCrop"]) -> None:
+        """
+        Active ou désactive le recadrage circulaire appliqué à chaque frame.
+
+        Lorsqu'un CircularCrop est défini, chaque appel à capture_frame()
+        passe automatiquement par process_frame() avant d'être transmis
+        au callback ou sauvegardé.
+
+        :param crop: Instance CircularCrop configurée, ou None pour désactiver
+        """
+        self._circular_crop = crop
+        if crop is not None:
+            logger.info(
+                "%s : recadrage circulaire activé (R=%d, stratégie=%s)",
+                self.__class__.__name__, crop.radius, crop.strategy.name,
+            )
+        else:
+            logger.info("%s : recadrage circulaire désactivé", self.__class__.__name__)
+
+    def process_frame(self, jpeg_bytes: bytes) -> bytes:
+        """
+        Applique le post-traitement configuré sur une image brute.
+
+        Actuellement : recadrage circulaire si un CircularCrop est défini.
+        Peut être surchargé dans une sous-classe pour des traitements spécifiques.
+
+        :param jpeg_bytes: Image JPEG brute issue du capteur
+        :return:           Image traitée (JPEG ou PNG selon la stratégie)
+        """
+        if self._circular_crop is not None:
+            return self._circular_crop.process(jpeg_bytes)
+        return jpeg_bytes
+
+    def save_frame(self, jpeg_bytes: bytes, directory: str = ".", prefix: str = "frame") -> Path:
+        """
+        Enregistre une image JPEG sur le disque avec un horodatage.
+
+        :param jpeg_bytes: Données brutes JPEG
+        :param directory: Dossier de destination
+        :param prefix: Préfixe du nom de fichier
+        :return: Chemin du fichier créé
+        """
+        dest = Path(directory)
+        dest.mkdir(parents=True, exist_ok=True)
+        timestamp = datetime.now().strftime("%Y%m%d_%H%M%S_%f")
+        filepath = dest / f"{prefix}_{timestamp}.jpg"
+        filepath.write_bytes(jpeg_bytes)
+        logger.debug("Image sauvegardée : %s (%d octets)", filepath, len(jpeg_bytes))
+        return filepath
+
+    def __enter__(self) -> "VideoCaptureInterface":
+        """Permet l'utilisation avec le gestionnaire de contexte 'with'."""
+        self.open()
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb) -> None:
+        """Ferme proprement le périphérique à la sortie du bloc 'with'."""
+        self.close()
+
+    def __repr__(self) -> str:
+        status = "actif" if self._running else "arrêté"
+        return f"<{self.__class__.__name__} fps={self._fps} status={status}>"
+
+    # ------------------------------------------------------------------
+    # tracer médianes
+    # ------------------------------------------------------------------
+    def set_median(self, is_median=False):
+        """
+        Active ou désactive les médianes
+        """
+        self._active_median = is_median
+
+    def display_median(self, jpeg):
+        if self._active_median:
+            nparr = np.frombuffer(jpeg, np.uint8)
+            frame = cv2.imdecode(nparr, cv2.IMREAD_COLOR)
+            height, width = frame.shape[:2]
+            center_x = width // 2
+            center_y = height // 2
+
+            cv2.line(frame, (center_x, 0), (center_x, height), (0, 255, 0), 1)
+            cv2.line(frame, (0, center_y), (width, center_y), (0, 255, 0), 1)
+            cv2.circle(frame, (center_x, center_y), 2, (0, 0, 255), -1)
+
+            cv2.putText(frame, f"Num: {self._frame_count}", (10, 30),
+                cv2.FONT_HERSHEY_SIMPLEX, 0.6, (255, 255, 255), 2)
+
+            _, buffer = cv2.imencode('.jpg', frame)
+            jpeg_bytes = buffer.tobytes()
+            return jpeg_bytes
+        return jpeg
+
+
+
+    # ------------------------------------------------------------------
+    # Boucle interne de capture (privée)
+    # ------------------------------------------------------------------
+
+    def _capture_loop(self) -> None:
+        """
+        Boucle principale de capture tournant dans le thread dédié.
+        Respecte la cadence cible et appelle le callback si défini.
+        """
+
+        while self._running:
+            loop_start = time.monotonic()
+
+            try:
+                jpeg = self.capture_frame()
+                jpeg = self.display_median(jpeg)
+                jpeg = self.process_frame(jpeg)  # Recadrage circulaire si configuré
+
+                self._frame_count += 1
+
+                ts = datetime.now(timezone.utc)
+
+                if self._on_frame:
+                    try:
+                        self._on_frame(jpeg, ts)
+                    except Exception as cb_err:  # noqa: BLE001
+                        logger.error("Erreur dans le callback image : %s", cb_err)
+
+            except CaptureError as err:
+                logger.error("Échec de capture (#%d) : %s", self._frame_count, err)
+
+            # Compensation du temps d'exécution pour tenir la cadence
+            elapsed = time.monotonic() - loop_start
+            sleep_time = self._interval - elapsed
+            if sleep_time > 0:
+                time.sleep(sleep_time)
+            else:
+                logger.debug(
+                    "Cadence non tenue : %.3f s de retard (traitement=%.3f s)",
+                    -sleep_time,
+                    elapsed,
+                )

test_tube_scanner/modules/circular_crop.py

@@ -0,0 +1,245 @@
+"""
+Utilitaire de recadrage circulaire centré sur une image JPEG.
+
+Trois stratégies disponibles :
+  - MASK_BLACK  : image originale, pixels hors cercle mis à noir, sortie JPEG
+  - CROP_PNG    : carré 2R×2R centré, canal alpha = masque circulaire, sortie PNG
+  - CROP_JPEG   : carré 2R×2R centré sans transparence, sortie JPEG (le plus compact)
+
+    Masque noir : image JPEG de taille originale, pixels hors cercle = noir → simple mais pas économe
+    Crop circulaire + PNG : on crop au carré 2R×2R, on applique le masque alpha → PNG plus petit, transparence vraie, mais PNG > JPEG en taille
+    Crop carré JPEG : on extrait juste le carré 2R×2R centré → JPEG compact, pas de transparence
+"""
+
+import io
+import logging
+from enum import Enum, auto
+from typing import Optional
+
+import numpy as np
+
+logger = logging.getLogger(__name__)
+
+
+class CropStrategy(Enum):
+    """Stratégie de recadrage circulaire."""
+    MASK_BLACK  = auto()    # Masque noir — taille originale, sortie JPEG
+    CROP_PNG    = auto()    # Carré cropé + alpha circulaire — sortie PNG
+    CROP_JPEG   = auto()    # Carré cropé sans alpha — sortie JPEG (défaut recommandé)
+
+
+class CircularCrop:
+    """
+    Applique un recadrage circulaire centré sur une image fournie en bytes JPEG.
+
+    Utilise uniquement NumPy + Pillow pour rester léger et compatible
+    aussi bien sur PC que sur Raspberry Pi.
+
+    Exemple ::
+
+        crop = CircularCrop(radius=200, strategy=CropStrategy.CROP_JPEG, quality=80)
+        result_bytes = crop.process(jpeg_bytes)
+    """
+
+    def __init__(
+        self,
+        radius: int,
+        strategy: CropStrategy = CropStrategy.CROP_JPEG,
+        jpeg_quality: int = 85,
+        center: Optional[tuple[int, int]] = None,
+    ):
+        """
+        :param radius:       Rayon du cercle de recadrage en pixels
+        :param strategy:     Stratégie de sortie (voir CropStrategy)
+        :param jpeg_quality: Qualité JPEG pour les sorties JPEG [0-100]
+        :param center:       Centre du cercle (col, row) — None = centre de l'image
+        """
+        if radius <= 0:
+            raise ValueError("Le rayon doit être un entier strictement positif")
+        if not 0 <= jpeg_quality <= 100:
+            raise ValueError("La qualité JPEG doit être comprise entre 0 et 100")
+
+        self._radius        = radius
+        self._strategy      = strategy
+        self._jpeg_quality  = jpeg_quality
+        self._center        = center            # None = calcul automatique au premier appel
+
+        # Cache du masque pour éviter de le recalculer à chaque frame
+        self._mask_cache: Optional[np.ndarray] = None
+        self._mask_shape: Optional[tuple[int, int, int]] = None  # (H, W, strategy)
+
+    # ------------------------------------------------------------------
+    # API publique
+    # ------------------------------------------------------------------
+
+    def process(self, jpeg_bytes: bytes) -> bytes:
+        """
+        Applique le recadrage circulaire sur une image JPEG.
+
+        :param jpeg_bytes: Image source en bytes JPEG
+        :return:           Image recadrée selon la stratégie choisie (JPEG ou PNG)
+        :raises ValueError: Si les bytes ne sont pas une image valide
+        """
+        from PIL import Image
+
+        # Décodage JPEG → tableau NumPy RGB
+        img = Image.open(io.BytesIO(jpeg_bytes)).convert("RGB")
+        arr = np.asarray(img, dtype=np.uint8)   # shape (H, W, 3)
+
+        h, w = arr.shape[:2]
+        cx, cy = self._resolve_center(w, h)
+
+        if self._strategy == CropStrategy.MASK_BLACK:
+            return self._apply_mask_black(arr, cx, cy)
+        elif self._strategy == CropStrategy.CROP_PNG:
+            return self._apply_crop_png(arr, cx, cy, w, h)
+        else:                                    # CROP_JPEG par défaut
+            return self._apply_crop_jpeg(arr, cx, cy, w, h)
+
+    @property
+    def radius(self) -> int:
+        return self._radius
+
+    @radius.setter
+    def radius(self, value: int) -> None:
+        """Modifie le rayon et invalide le cache du masque."""
+        if value <= 0:
+            raise ValueError("Le rayon doit être un entier strictement positif")
+        self._radius = value
+        self._invalidate_cache()
+
+    @property
+    def strategy(self) -> CropStrategy:
+        return self._strategy
+
+    @strategy.setter
+    def strategy(self, value: CropStrategy) -> None:
+        self._strategy = value
+        self._invalidate_cache()
+
+    @property
+    def jpeg_quality(self) -> int:
+        return self._jpeg_quality
+
+    @jpeg_quality.setter
+    def jpeg_quality(self, value: int) -> None:
+        if not 0 <= value <= 100:
+            raise ValueError("La qualité JPEG doit être comprise entre 0 et 100")
+        self._jpeg_quality = value
+
+    # ------------------------------------------------------------------
+    # Stratégies internes
+    # ------------------------------------------------------------------
+
+    def _apply_mask_black(self, arr: np.ndarray, cx: int, cy: int) -> bytes:
+        """
+        Pixels hors cercle remplacés par du noir.
+        Sortie : JPEG de la même taille que l'original.
+        """
+        from PIL import Image
+
+        mask = self._get_circle_mask(arr.shape[:2], cx, cy)  # shape (H, W) bool
+        result = arr.copy()
+        result[~mask] = 0                        # Tout ce qui est hors cercle → noir RGB
+
+        buf = io.BytesIO()
+        Image.fromarray(result).save(buf, format="JPEG", quality=self._jpeg_quality)
+        return buf.getvalue()
+
+    def _apply_crop_png(self, arr: np.ndarray, cx: int, cy: int, w: int, h: int) -> bytes:
+        """
+        Crop carré 2R×2R centré + canal alpha circulaire.
+        Sortie : PNG avec transparence (pixels hors cercle = transparent).
+        """
+        from PIL import Image
+
+        x1, y1, x2, y2 = self._crop_box(cx, cy, w, h)
+        cropped = arr[y1:y2, x1:x2]             # shape (2R, 2R, 3) ou moins si bord
+
+        # Canal alpha : 255 dans le cercle, 0 à l'extérieur
+        ch, cw = cropped.shape[:2]
+        local_cx = cx - x1
+        local_cy = cy - y1
+        alpha_mask = self._get_circle_mask((ch, cw), local_cx, local_cy)
+        alpha = np.where(alpha_mask, 255, 0).astype(np.uint8)
+
+        rgba = np.dstack([cropped, alpha])       # shape (H, W, 4)
+
+        buf = io.BytesIO()
+        Image.fromarray(rgba, mode="RGBA").save(buf, format="PNG", optimize=True)
+        return buf.getvalue()
+
+    def _apply_crop_jpeg(self, arr: np.ndarray, cx: int, cy: int, w: int, h: int) -> bytes:
+        """
+        Crop carré 2R×2R centré, pixels hors cercle mis à noir.
+        Sortie : JPEG compact sans canal alpha (meilleur compromis taille/qualité).
+        """
+        from PIL import Image
+
+        x1, y1, x2, y2 = self._crop_box(cx, cy, w, h)
+        cropped = arr[y1:y2, x1:x2].copy()
+
+        ch, cw = cropped.shape[:2]
+        local_cx = cx - x1
+        local_cy = cy - y1
+        mask = self._get_circle_mask((ch, cw), local_cx, local_cy)
+        cropped[~mask] = 0                       # Hors cercle → noir dans le crop
+
+        buf = io.BytesIO()
+        Image.fromarray(cropped).save(buf, format="JPEG", quality=self._jpeg_quality)
+        return buf.getvalue()
+
+    # ------------------------------------------------------------------
+    # Helpers
+    # ------------------------------------------------------------------
+
+    def _resolve_center(self, w: int, h: int) -> tuple[int, int]:
+        """Retourne le centre configuré ou le centre géométrique de l'image."""
+        if self._center is not None:
+            return self._center
+        return (w // 2, h // 2)
+
+    def _crop_box(self, cx: int, cy: int, w: int, h: int) -> tuple[int, int, int, int]:
+        """
+        Calcule la boîte de crop 2R×2R clampée aux bords de l'image.
+
+        :return: (x1, y1, x2, y2) en coordonnées image
+        """
+        r = self._radius
+        x1 = max(cx - r, 0)
+        y1 = max(cy - r, 0)
+        x2 = min(cx + r, w)
+        y2 = min(cy + r, h)
+        return (x1, y1, x2, y2)
+
+    def _get_circle_mask(self, shape: tuple[int, int], cx: int, cy: int) -> np.ndarray:
+        """
+        Construit (ou récupère du cache) le masque booléen circulaire.
+
+        Le masque est recalculé uniquement si la taille ou le centre change.
+
+        :param shape: (hauteur, largeur) du tableau cible
+        :param cx:    Colonne du centre dans ce tableau
+        :param cy:    Ligne du centre dans ce tableau
+        :return:      Tableau bool shape (H, W) — True = dans le cercle
+        """
+        cache_key = (shape[0], shape[1], cx, cy, self._radius)
+
+        if self._mask_cache is None or self._mask_shape != cache_key:
+            h, w = shape
+            # Coordonnées entières de chaque pixel via meshgrid
+            ys, xs = np.ogrid[:h, :w]
+            dist_sq = (xs - cx) ** 2 + (ys - cy) ** 2
+            self._mask_cache = dist_sq <= self._radius ** 2
+            self._mask_shape = cache_key
+            logger.debug(
+                "Masque circulaire recalculé : shape=%s centre=(%d,%d) R=%d",
+                shape, cx, cy, self._radius,
+            )
+
+        return self._mask_cache
+
+    def _invalidate_cache(self) -> None:
+        """Invalide le cache du masque (après changement de rayon ou stratégie)."""
+        self._mask_cache = None
+        self._mask_shape = None

test_tube_scanner/modules/grbl.py

@@ -0,0 +1,356 @@
+'''
+GCode pour piloter la L2544 Laser Engraving Machine
+
+    GRBLController:
+        Commande uniquement les mouvements (X, Y)
+        Le mode absolue est retenu
+
+    GridScanner
+        Balayage complet de la grille d'éprouvettes en mode serpentin
+
+    Usage:
+        grbl = GRBLController()
+        scan = GridScanner(grbl, xbase=100, ybase=100, duration=5)
+        scan.start()
+
+Created on 25 mars 2026
+
+@author: denis@miraceti.net
+'''
+import logging
+import serial
+import time
+import threading
+from typing import Optional
+
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+
+class GRBLController:
+    '''
+    Contrôleur pour machine de gravure laser L2544 (GRBL 1.1f)
+    Fonctions de base pour la calibration : déplacement manuel et gestion de la position.
+    '''
+    X_MAX = 350
+    Y_MAX = 250
+    X_MIN = 0
+    Y_MIN = 0
+
+    def __init__(self, port='/dev/ttyUSB0', baudrate=115200, timeout=1, send_callback=None, x_max=None, y_max=None):
+        self.lock = threading.Lock()
+        self.port = port
+        self.baudrate = baudrate
+        self.timeout = timeout
+
+        if x_max is not None:
+            self.X_MAX = x_max
+        if y_max is not None:
+            self.Y_MAX = y_max
+
+        self._state = send_callback
+        if self._state is None:
+            self._state = self._send_msg
+
+        self.x, self.y = 0, 0
+        self.start_connection()
+        self._wake_up()
+        self._init_machine()
+
+    def wait_for(self, delay=1.0):
+        threading.Event().wait(delay*1.0)
+
+    def _send_msg(self, **msg):
+        print(msg)
+
+    def clear_buffer(self):
+        while self.ser.in_waiting >0:
+            msg = self.ser.readline().decode().strip()
+            print(f"Buffer: {msg}")
+            self._state(state='serial', msg=msg)
+
+    def start_connection(self):
+        n = 0
+        while True:
+            try:
+                self.ser = serial.Serial(self.port, self.baudrate, timeout=self.timeout, exclusive=True)
+                # CRITIQUE :
+                self.ser.setDTR(False)
+                self.ser.setRTS(False)
+                self.clear_buffer()
+                break
+            except Exception as e:
+                print(f"Erreur de connexion (essai {n}): {e}")
+                n += 1
+                self.wait_for(1.0)
+
+    def _init_machine(self):
+        self.send("G21")  # Unités en mm
+        self.send("G90")  # Mode absolu
+
+    def _clamp(self, x, y):
+        self.clear_buffer()
+        x = max(self.X_MIN, min(self.X_MAX, x))
+        y = max(self.Y_MIN, min(self.Y_MAX, y))
+        return x, y
+
+    def _wake_up(self):
+        #with self.lock:
+        self.ser.write(b"\r\n\r\n")
+        self.wait_for(1)
+        self.clear_buffer()
+
+
+    def send(self, cmd, wait_ok=True, timeout=5):
+        try:
+            return self._send(cmd, wait_ok, timeout)
+        except Exception as e:
+            #print("Send error:", e)
+            self._state(state='error', msg=f"Error send {cmd} command: {e}")
+            self.close()
+            self.start_connection()
+            self._wake_up()
+            self._init_machine()
+            '''
+            self.recover()
+            self.reset_grbl()
+            raise'''
+
+    def recover(self):
+        #print("Récupération de GRBL...")
+        self._state(state='recover', msg=f"Erreur, récupération de GRBL...")
+        self.wait_for(1)
+        self._wake_up()
+
+    def _send(self, cmd, wait_ok=True, timeout=5):
+        #print(f">>> {cmd}")
+        self._state(state='send', msg=f">>> {cmd}")
+        self.ser.write((cmd + "\n").encode())
+
+        if not wait_ok:
+            return None
+
+        start = time.time()
+        while True:
+            if time.time() - start > timeout:
+                raise TimeoutError(f"Timeout sur la commande: {cmd}")
+
+            raw = self.ser.readline()
+            if not raw:
+                continue
+
+            line = raw.decode(errors="ignore").strip()
+            if not line:
+                continue
+            if line.startswith("<"):
+                continue  # Ignorer les messages de status asynchrones
+            if "ok" in line.lower():
+                return line
+            if "error" in line.lower():
+                raise Exception(f"Erreur GRBL: {line}")
+
+    def get_status(self):
+        #with self.lock:
+        self.ser.write(b"?\n")
+        while True:
+            line = self.ser.readline()
+            if not line:
+                continue
+            line = line.decode().strip()
+            if line.startswith("<"):
+                return line
+
+    def reset_grbl(self):
+        self.send("$X")  # Réinitialise les alarmes
+        self.wait_idle()
+        self.send("$H")  # Homing
+        self.wait_idle()
+
+    def _mpos(self, status):
+        if "MPos" in status:
+            mpos = status.split("MPos:")[1].split("|")[0]
+            x, y, *_ = mpos.split(",")
+            return float(x), float(y)
+        return None, None
+
+    def get_mpos(self):
+        return self._mpos(self.get_status())
+
+    def wait_idle(self, timeout=10):
+        start = time.time()
+        while True:
+            if time.time() - start > timeout:
+                raise TimeoutError("Délai d'attente pour Idle dépassé")
+            status = self.get_status()
+            self.x, self.y = self._mpos(status)
+            self._state(xy=True, x=self.x, y=self.y)
+            if status and "Idle" in status:
+                break
+            self.wait_for(0.1)
+
+    def move_to(self, x, y, feed=1000):
+        x, y = self._clamp(x, y)
+        #cmd = f"G0 X{x:.2f} Y{y:.2f} F{feed}"     # feed is not updated in G0 mode
+        cmd = f"G53 G1 X{x:.2f} Y{y:.2f} F{feed}"
+        self.send(cmd)
+        self.wait_idle()
+
+    def move_relative_(self, dx=0, dy=0, feed=1000):
+        self.send("G91")  # Mode relatif
+        cmd = f"G0 X{dx} Y{dy} F{feed}"
+        self.send(cmd)
+        self.send("G90")  # Retour en mode absolu
+        self.wait_idle()
+
+    def move_relative(self, dx=0, dy=0, feed=1000):
+        x, y = self.get_mpos()  # Position actuelle
+        self.move_to(x + dx, y + dy)
+
+    def go_origin(self, feed=1000):
+        self.move_to(0, 0, feed=feed)
+        self.wait_for(2.0)
+
+    def set_position(self, x, y):
+        x, y = self._clamp(x, y)
+        cmd = f"G92 X{x:.2f} Y{y:.2f}"
+        self.send(cmd)
+        self.wait_for(2.0)
+
+    def move_up(self, step=10, feed=1000):
+        self.move_relative(dy=step, feed=feed)
+
+    def move_down(self, step=10, feed=1000):
+        self.move_relative(dy=-step, feed=feed)
+
+    def move_left(self, step=10, feed=1000):
+        self.move_relative(dx=-step, feed=feed)
+
+    def move_right(self, step=10, feed=1000):
+        self.move_relative(dx=step, feed=feed)
+
+    def close(self):
+        self.ser.close()
+
+
+class GridScanner:
+
+    def __init__(self, grbl, proc=None, **config):
+        '''
+            xbase        # Position X de départ (col 0) en mm
+            ybase        # Position Y de départ (row 0) en mm
+            cols         # Nombre de colonnes
+            rows         # Nombre de lignes
+            dx           # Pas entre colonnes en mm
+            dy           # Pas entre lignes en mm
+            duration     # Durée de filmage par éprouvette en secondes
+            feed         # Vitesse de déplacement entre éprouvettes (mm/min)
+        '''
+        self.grbl = grbl
+        self.proc = proc
+
+        self.position = config.get('position', 'HG')
+        self.xbase = config.get('xbase', 50)
+        self.ybase = config.get('ybase', 50)
+        self.cols = config.get('cols', 6)
+        self.rows = config.get('rows', 4)
+        self.dx = config.get('dx', 20)
+        self.dy = config.get('dy', 19)
+        self.feed = config.get('feed', 1000)
+        self.duration = config.get('duration', 120) # secondes
+        self.xnext = config.get('xnext', 50)
+        self.ynext = config.get('ynext', 50)
+
+        row_to_char = config.get('row_to_char', 'D,C,B,A')
+        self.row_to_char = row_to_char.split(',')
+        self.stop_playing = None
+
+
+    def halt(self):
+        self.proc.record = False
+        return self.stop_playing.set()
+
+    def _capture(self, uuid: str, duration: float, stop_running: Optional[threading.Event]) -> None:
+        """
+        Déclenche la caméra ArduCam et attend la fin de l'acquisition.
+        """
+        print(f"# démarrer l'enregistrement {uuid}")
+        self.proc.uuid = uuid
+        self.proc.record = True
+
+        start = time.monotonic()
+        while not stop_running.is_set():
+            if time.monotonic() - start > duration:
+                break
+            self.grbl.wait_for(1.0)
+
+        print("# arrêter l'enregistrement")
+        self.proc.record = False
+        self.proc.uuid = None
+
+    def start(self, xnext=None, ynext=None, position=None):
+        """
+        Balayage complet de la grille d'éprouvettes en mode serpentin.
+
+        Parcours :
+          - Lignes paires  (0, 2)    : gauche → droite (col 0 → col 5)
+          - Lignes impaires (1, 3)   : droite → gauche  (col 5 → col 0)
+
+        Le déplacement entre éprouvettes se fait en mode absolu via move_to().
+        La caméra filme pendant `` secondes sur chaque position.
+
+        Grille : 6 colonnes × 4 lignes = 24 éprouvettes
+          - x = XBASE + col * PAS_X
+          - y = YBASE + row * PAS_Y
+        """
+        try:
+            if xnext is None:
+                xnext = self.xnext
+            if ynext is None:
+                ynext = self.ynext
+            if position is None:
+                position = self.position
+
+            max_cells = self.cols * self.rows
+            cell = 0
+
+            logger.info("Début du scan serpentin : %d éprouvettes, %d s/éprouvette, durée totale estimée : %d min",
+                max_cells,
+                self.duration,
+                (max_cells * self.duration) // 60,
+            )
+
+            self.stop_playing = threading.Event()
+            for row in range(self.rows):
+                if self.stop_playing.is_set():
+                    break
+
+                # Ordre des colonnes selon la parité de la ligne (serpentin)
+                if row % 2 == 0:
+                    # Ligne paire : gauche → droite
+                    cols = range(self.cols)
+                else:
+                    # Ligne impaire : droite → gauche
+                    cols = range(self.cols - 1, -1, -1)
+
+                for col in cols:
+                    if self.stop_playing.is_set():
+                        break
+                    # Calcul de la position absolue en mm
+                    x = self.xbase + col * self.dx
+                    y = self.ybase + row * self.dy
+                    cell += 1
+                    logger.info(
+                        "[%02d/%02d] row=%d col=%d  →  X=%.1f mm  Y=%.1f mm",
+                        cell, max_cells, row, col, x, y,
+                    )
+                    self.grbl.move_to(x, y, feed=self.feed)
+
+                    uuid = f'{self.proc.session}-{position}-{self.row_to_char[row]}{col+1}'
+                    self._capture(uuid, self.duration, self.stop_playing)
+
+            # Retour à nexr après le scan
+            logger.info("Scan terminé — retour à l'origine (X=%.1f  Y=%.1f)", xnext, ynext)
+            self.grbl.move_to(xnext, ynext, feed=self.feed*2)
+        except Exception as e:
+            logger.error(f"scan error: {e}")
+

test_tube_scanner/modules/picamera2_capture.py

@@ -0,0 +1,339 @@
+"""
+Implémentation de la capture vidéo pour Raspberry Pi via PiCamera2.
+Dépendance : picamera2  (sudo apt install python3-picamera2)
+Compatible Pi 4 / Pi 5 avec le module caméra officiel (v2, v3, HQ).
+"""
+
+import io
+import logging
+from typing import Optional
+
+from .capture_interface import CaptureError, VideoCaptureInterface
+
+logger = logging.getLogger(__name__)
+
+
+class PiCamera2Capture(VideoCaptureInterface):
+    """
+    Capture JPEG depuis la caméra officielle Raspberry Pi via PiCamera2.
+
+    Utilise le pipeline libcamera pour la capture basse latence.
+    Supporte les modules Camera Module v1, v2, v3 et HQ Camera.
+
+    La résolution demandée (width, height) est approchée au mieux :
+    libcamera sélectionne automatiquement le mode sensor dont la résolution
+    native est la plus proche, puis redimensionne en ISP.
+    Utiliser list_sensor_modes() pour connaître les modes disponibles.
+
+    Exemple d'utilisation ::
+
+        # Afficher les modes disponibles avant d'instancier
+        PiCamera2Capture.list_sensor_modes()
+
+        cam = PiCamera2Capture(fps=5, width=1280, height=720)
+        cam.set_frame_callback(lambda data, ts: print(f"{ts}: {len(data)} octets"))
+        cam.start()
+        time.sleep(10)
+        cam.stop()
+    """
+
+    def __init__(
+        self,
+        fps: float = VideoCaptureInterface.DEFAULT_FPS,
+        width: int = 1280,
+        height: int = 720,
+        jpeg_quality: int = 85,
+        camera_index: int = 0,
+        use_video_config: bool = True,
+    ):
+        """
+        :param fps:              Cadence cible en images par seconde
+        :param width:            Largeur souhaitée en pixels (approchée au mode sensor le plus proche)
+        :param height:           Hauteur souhaitée en pixels (approchée au mode sensor le plus proche)
+        :param jpeg_quality:     Qualité de compression JPEG [0-100]
+        :param camera_index:     Index de la caméra (0 par défaut, utile sur Pi 5 dual-cam)
+        :param use_video_config: True = VideoConfiguration (flux continu, basse latence)
+                                 False = StillConfiguration (haute résolution, plus lent)
+        """
+        super().__init__(fps=fps)
+        self._width: int = width
+        self._height: int = height
+        self._jpeg_quality: int = jpeg_quality
+        self._camera_index: int = camera_index
+        self._use_video_config: bool = use_video_config
+        self._picam2 = None                       # Instance Picamera2
+        self._effective_size: Optional[tuple[int, int]] = None  # Résolution réellement appliquée
+
+    # ------------------------------------------------------------------
+    # Méthode statique utilitaire — à appeler avant d'instancier
+    # ------------------------------------------------------------------
+
+    @staticmethod
+    def list_sensor_modes(camera_index: int = 0) -> list[dict]:
+        """
+        Affiche et retourne tous les modes sensor disponibles pour la caméra.
+
+        À appeler avant d'instancier PiCamera2Capture pour choisir
+        une résolution compatible avec un mode sensor natif.
+
+        :param camera_index: Index de la caméra à interroger
+        :return:             Liste de dicts décrivant chaque mode sensor
+        :raises CaptureError: Si picamera2 n'est pas disponible
+        """
+        try:
+            from picamera2 import Picamera2
+        except ImportError as exc:
+            raise CaptureError(
+                "picamera2 introuvable — installez-le avec : "
+                "sudo apt install python3-picamera2"
+            ) from exc
+
+        picam2 = Picamera2(camera_index)
+        try:
+            # sensor_modes doit être interrogé avant configure()
+            modes = picam2.sensor_modes
+            print(f"\n=== Modes sensor disponibles (caméra index={camera_index}) ===")
+            for i, mode in enumerate(modes):
+                size   = mode.get("size", "?")
+                fps    = mode.get("fps", "?")
+                crop   = mode.get("crop_limits", "?")
+                fmt    = mode.get("format", "?")
+                print(
+                    f"  [{i}] {size[0]}×{size[1]}px  "
+                    f"fps_max={fps:.1f}  format={fmt}  crop={crop}"
+                )
+            print()
+            return modes
+        finally:
+            picam2.close()
+
+    # ------------------------------------------------------------------
+    # Implémentation des méthodes abstraites
+    # ------------------------------------------------------------------
+
+    def open(self) -> None:
+        """
+        Initialise PiCamera2, sélectionne le mode sensor le plus adapté
+        à la résolution demandée, configure le flux et démarre libcamera.
+
+        Le mode sensor est choisi en minimisant la distance euclidienne
+        entre la résolution native du mode et (width, height) demandés.
+        """
+        try:
+            from picamera2 import Picamera2
+        except ImportError as exc:
+            raise CaptureError(
+                "picamera2 introuvable — installez-le avec : "
+                "sudo apt install python3-picamera2"
+            ) from exc
+
+        try:
+            self._picam2 = Picamera2(self._camera_index)
+
+            # Sélection du mode sensor le plus proche de la résolution demandée
+            best_mode = self._select_best_sensor_mode(self._picam2)
+
+            # Construction de la configuration avec le mode sensor forcé
+            if self._use_video_config:
+                config = self._picam2.create_video_configuration(
+                    main={"size": (self._width, self._height), "format": "RGB888"},
+                    raw=best_mode,                # Force le mode sensor natif
+                )
+                logger.debug("Configuration VideoConfiguration sélectionnée")
+            else:
+                config = self._picam2.create_still_configuration(
+                    main={"size": (self._width, self._height), "format": "RGB888"},
+                    raw=best_mode,
+                )
+                logger.debug("Configuration StillConfiguration sélectionnée")
+
+            self._picam2.configure(config)
+            self._picam2.start()
+
+            # Lecture de la résolution effectivement appliquée par l'ISP
+            actual = config["main"]["size"]
+            self._effective_size = actual
+
+            logger.info(
+                "PiCamera2 ouverte : index=%d  demandé=%dx%d  effectif=%dx%d  "
+                "mode_sensor=%dx%d  mode=%s",
+                self._camera_index,
+                self._width, self._height,
+                actual[0], actual[1],
+                best_mode["size"][0], best_mode["size"][1],
+                "video" if self._use_video_config else "still",
+            )
+
+            # Avertissement si la résolution effective diffère de la demande
+            if actual != (self._width, self._height):
+                logger.warning(
+                    "Résolution ajustée par libcamera : %dx%d → %dx%d. "
+                    "Utilisez list_sensor_modes() pour connaître les tailles compatibles.",
+                    self._width, self._height, actual[0], actual[1],
+                )
+
+        except Exception as exc:
+            if self._picam2 is not None:
+                try:
+                    self._picam2.close()
+                except Exception:                 # noqa: BLE001
+                    pass
+                self._picam2 = None
+            raise CaptureError(f"Impossible d'ouvrir PiCamera2 : {exc}") from exc
+
+    def close(self) -> None:
+        """Arrête le pipeline libcamera et libère les ressources."""
+        if self._picam2 is not None:
+            try:
+                self._picam2.stop()
+                self._picam2.close()
+                logger.info("PiCamera2 fermée (index=%d)", self._camera_index)
+            except Exception as exc:              # noqa: BLE001
+                logger.warning("Erreur lors de la fermeture de PiCamera2 : %s", exc)
+            finally:
+                self._picam2 = None
+                self._effective_size = None
+
+    def capture_frame(self) -> bytes:
+        """
+        Capture une image depuis le flux libcamera et l'encode en JPEG.
+
+        Stratégie : capture_array() → tableau NumPy RGB → encodage Pillow.
+        capture_file() ne supporte pas le paramètre quality ; on encode
+        manuellement pour contrôler le taux de compression.
+
+        :return: Données JPEG brutes
+        :raises CaptureError: Si la capture ou l'encodage échoue
+        """
+        if self._picam2 is None:
+            raise CaptureError("PiCamera2 n'est pas initialisée")
+
+        try:
+            from PIL import Image
+
+            # Récupération du tableau RGB depuis le flux libcamera
+            arr = self._picam2.capture_array("main")  # shape (H, W, 3) uint8
+
+            # Encodage manuel en JPEG avec la qualité configurée
+            buf = io.BytesIO()
+            Image.fromarray(arr).save(buf, format="JPEG", quality=self._jpeg_quality)
+            return buf.getvalue()
+
+        except Exception as exc:
+            raise CaptureError(f"Échec de capture PiCamera2 : {exc}") from exc
+
+    def is_available(self) -> bool:
+        """Retourne True si le pipeline libcamera est démarré."""
+        return self._picam2 is not None
+
+    # ------------------------------------------------------------------
+    # Méthodes spécifiques à PiCamera2
+    # ------------------------------------------------------------------
+
+    def capture_high_res(self, width: int, height: int) -> bytes:
+        """
+        Capture une image haute résolution hors flux principal (photo ponctuelle).
+
+        Utile pour déclencher une capture pleine résolution pendant un flux 5 fps.
+        Utilise capture_request() + make_array() + encodage Pillow.
+
+        :param width:  Largeur souhaitée en pixels (indicatif, dépend de la config active)
+        :param height: Hauteur souhaitée en pixels
+        :return:       Données JPEG brutes
+        :raises CaptureError: Si PiCamera2 n'est pas initialisée
+        """
+        if self._picam2 is None:
+            raise CaptureError("PiCamera2 n'est pas initialisée")
+
+        try:
+            from PIL import Image
+
+            # Capture d'une requête unique depuis le flux actif
+            request = self._picam2.capture_request()
+            arr = request.make_array("main")      # shape (H, W, 3) uint8 RGB
+            request.release()
+
+            buf = io.BytesIO()
+            Image.fromarray(arr).save(buf, format="JPEG", quality=self._jpeg_quality)
+            return buf.getvalue()
+
+        except Exception as exc:
+            raise CaptureError(f"Échec de capture haute résolution : {exc}") from exc
+
+    def set_controls(self, **kwargs) -> None:
+        """
+        Applique des contrôles libcamera directement (exposition, gain, balance des blancs…).
+
+        Exemple ::
+
+            cam.set_controls(ExposureTime=10000, AnalogueGain=2.0)
+
+        :param kwargs: Contrôles libcamera valides pour le module connecté
+        """
+        if self._picam2 is None:
+            raise CaptureError("PiCamera2 n'est pas initialisée")
+        self._picam2.set_controls(kwargs)
+        logger.debug("Contrôles appliqués : %s", kwargs)
+
+    def get_camera_properties(self) -> dict:
+        """
+        Retourne les métadonnées du module caméra détecté.
+
+        :return: Dictionnaire des propriétés (modèle, résolution max, etc.)
+        """
+        if self._picam2 is None:
+            raise CaptureError("PiCamera2 n'est pas initialisée")
+        return self._picam2.camera_properties
+
+    @property
+    def jpeg_quality(self) -> int:
+        """Qualité JPEG [0-100]."""
+        return self._jpeg_quality
+
+    @jpeg_quality.setter
+    def jpeg_quality(self, value: int) -> None:
+        if not 0 <= value <= 100:
+            raise ValueError("La qualité JPEG doit être comprise entre 0 et 100")
+        self._jpeg_quality = value
+
+    @property
+    def resolution(self) -> tuple[int, int]:
+        """Résolution de capture demandée (largeur, hauteur)."""
+        return (self._width, self._height)
+
+    @property
+    def effective_resolution(self) -> Optional[tuple[int, int]]:
+        """
+        Résolution effectivement appliquée par l'ISP après ouverture.
+        None si la caméra n'est pas encore ouverte.
+        """
+        return self._effective_size
+
+    # ------------------------------------------------------------------
+    # Helpers privés
+    # ------------------------------------------------------------------
+
+    def _select_best_sensor_mode(self, picam2) -> dict:
+        """
+        Choisit le mode sensor dont la résolution native est la plus proche
+        de (width, height) en minimisant la distance euclidienne.
+
+        :param picam2: Instance Picamera2 déjà créée mais pas encore configurée
+        :return:       Dict du mode sensor sélectionné
+        """
+        modes = picam2.sensor_modes
+        if not modes:
+            raise CaptureError("Aucun mode sensor disponible")
+
+        def distance(mode: dict) -> float:
+            mw, mh = mode["size"]
+            # Distance euclidienne normalisée entre la résolution du mode et la cible
+            return ((mw - self._width) ** 2 + (mh - self._height) ** 2) ** 0.5
+
+        best = min(modes, key=distance)
+        logger.debug(
+            "Mode sensor sélectionné : %dx%d (demandé : %dx%d)",
+            best["size"][0], best["size"][1],
+            self._width, self._height,
+        )
+        return best

test_tube_scanner/modules/picamera2_capture_basic.py

@@ -0,0 +1,227 @@
+"""
+Implémentation de la capture vidéo pour Raspberry Pi via PiCamera2.
+Dépendance : picamera2  (sudo apt install python3-picamera2)
+Compatible Pi 4 / Pi 5 avec le module caméra officiel.
+"""
+
+import io
+import logging
+from typing import Optional
+
+from .capture_interface import CaptureError, VideoCaptureInterface
+
+logger = logging.getLogger(__name__)
+
+
+class PiCamera2Capture(VideoCaptureInterface):
+    """
+    Capture JPEG depuis la caméra officielle Raspberry Pi via PiCamera2.
+
+    Utilise le pipeline libcamera pour la capture basse latence.
+    Supporte les modules Camera Module v1, v2, v3 et HQ Camera.
+
+    Exemple d'utilisation ::
+
+        cam = PiCamera2Capture(fps=5, width=1280, height=720)
+        cam.set_frame_callback(lambda data, ts: print(f"{ts}: {len(data)} octets"))
+        cam.start()
+        time.sleep(10)
+        cam.stop()
+    """
+
+    def __init__(
+        self,
+        fps: float = VideoCaptureInterface.DEFAULT_FPS,
+        width: int = 1280,
+        height: int = 720,
+        jpeg_quality: int = 85,
+        camera_index: int = 0,
+        use_video_config: bool = True,
+    ):
+        """
+        :param fps:              Cadence cible en images par seconde
+        :param width:            Largeur du flux de capture en pixels
+        :param height:           Hauteur du flux de capture en pixels
+        :param jpeg_quality:     Qualité de compression JPEG [0-100]
+        :param camera_index:     Index de la caméra (0 par défaut, utile sur Pi 5 dual-cam)
+        :param use_video_config: True = configuration VideoConfiguration (flux continu)
+                                 False = StillConfiguration (haute résolution, plus lent)
+        """
+        super().__init__(fps=fps)
+        self._width: int = width
+        self._height: int = height
+        self._jpeg_quality: int = jpeg_quality
+        self._camera_index: int = camera_index
+        self._use_video_config: bool = use_video_config
+        self._picam2 = None                       # Instance Picamera2
+
+    # ------------------------------------------------------------------
+    # Implémentation des méthodes abstraites
+    # ------------------------------------------------------------------
+
+    def open(self) -> None:
+        """
+        Initialise PiCamera2, configure le flux et démarre le pipeline libcamera.
+        """
+        try:
+            from picamera2 import Picamera2       # Import local : disponible uniquement sur Pi
+        except ImportError as exc:
+            raise CaptureError(
+                "picamera2 introuvable — installez-le avec : "
+                "sudo apt install python3-picamera2"
+            ) from exc
+
+        try:
+            self._picam2 = Picamera2(self._camera_index)
+
+            # Choix de la configuration selon le mode sélectionné
+            if self._use_video_config:
+                config = self._picam2.create_video_configuration(
+                    main={"size": (self._width, self._height), "format": "RGB888"},
+                )
+                logger.debug("Configuration VideoConfiguration sélectionnée")
+            else:
+                config = self._picam2.create_still_configuration(
+                    main={"size": (self._width, self._height), "format": "RGB888"},
+                )
+                logger.debug("Configuration StillConfiguration sélectionnée")
+
+            self._picam2.configure(config)
+            self._picam2.start()
+
+            logger.info(
+                "PiCamera2 ouverte : index=%d résolution=%dx%d mode=%s",
+                self._camera_index,
+                self._width,
+                self._height,
+                "video" if self._use_video_config else "still",
+            )
+
+        except Exception as exc:
+            # Nettoyage en cas d'échec partiel d'initialisation
+            if self._picam2 is not None:
+                try:
+                    self._picam2.close()
+                except Exception:                 # noqa: BLE001
+                    pass
+                self._picam2 = None
+            raise CaptureError(f"Impossible d'ouvrir PiCamera2 : {exc}") from exc
+
+    def close(self) -> None:
+        """Arrête le pipeline libcamera et libère les ressources."""
+        if self._picam2 is not None:
+            try:
+                self._picam2.stop()
+                self._picam2.close()
+                logger.info("PiCamera2 fermée (index=%d)", self._camera_index)
+            except Exception as exc:              # noqa: BLE001
+                logger.warning("Erreur lors de la fermeture de PiCamera2 : %s", exc)
+            finally:
+                self._picam2 = None
+
+    def capture_frame(self) -> bytes:
+        """
+        Capture une image depuis le flux libcamera et l'encode en JPEG.
+
+        Stratégie : capture_array() → tableau NumPy RGB → encodage Pillow.
+        capture_file() ne supporte pas le paramètre quality ; on encode
+        manuellement pour contrôler le taux de compression.
+
+        :return: Données JPEG brutes
+        :raises CaptureError: Si la capture ou l'encodage échoue
+        """
+        if self._picam2 is None:
+            raise CaptureError("PiCamera2 n'est pas initialisée")
+
+        try:
+            from PIL import Image
+
+            # Récupération du tableau RGB depuis le flux libcamera
+            arr = self._picam2.capture_array("main")  # shape (H, W, 3) uint8
+
+            # Encodage manuel en JPEG avec la qualité configurée
+            buf = io.BytesIO()
+            Image.fromarray(arr).save(buf, format="JPEG", quality=self._jpeg_quality)
+            return buf.getvalue()
+
+        except Exception as exc:
+            raise CaptureError(f"Échec de capture PiCamera2 : {exc}") from exc
+
+    def is_available(self) -> bool:
+        """Retourne True si le pipeline libcamera est démarré."""
+        return self._picam2 is not None
+
+    # ------------------------------------------------------------------
+    # Méthodes spécifiques à PiCamera2
+    # ------------------------------------------------------------------
+
+    def capture_high_res(self, width: int, height: int) -> bytes:
+        """
+        Capture une image haute résolution hors flux principal (photo ponctuelle).
+
+        Utile pour déclencher une capture pleine résolution pendant un flux 5 fps.
+        Utilise capture_request() + make_array() + encodage Pillow.
+
+        :param width:  Largeur souhaitée en pixels (indicatif, dépend de la config active)
+        :param height: Hauteur souhaitée en pixels
+        :return:       Données JPEG brutes
+        :raises CaptureError: Si PiCamera2 n'est pas initialisée
+        """
+        if self._picam2 is None:
+            raise CaptureError("PiCamera2 n'est pas initialisée")
+
+        try:
+            from PIL import Image
+
+            # Capture d'une requête unique depuis le flux actif
+            request = self._picam2.capture_request()
+            arr = request.make_array("main")      # shape (H, W, 3) uint8 RGB
+            request.release()
+
+            buf = io.BytesIO()
+            Image.fromarray(arr).save(buf, format="JPEG", quality=self._jpeg_quality)
+            return buf.getvalue()
+
+        except Exception as exc:
+            raise CaptureError(f"Échec de capture haute résolution : {exc}") from exc
+
+    def set_controls(self, **kwargs) -> None:
+        """
+        Applique des contrôles libcamera directement (exposition, gain, balance des blancs…).
+
+        Exemple ::
+
+            cam.set_controls(ExposureTime=10000, AnalogueGain=2.0)
+
+        :param kwargs: Contrôles libcamera valides pour le module connecté
+        """
+        if self._picam2 is None:
+            raise CaptureError("PiCamera2 n'est pas initialisée")
+        self._picam2.set_controls(kwargs)
+        logger.debug("Contrôles appliqués : %s", kwargs)
+
+    def get_camera_properties(self) -> dict:
+        """
+        Retourne les métadonnées du module caméra détecté.
+
+        :return: Dictionnaire des propriétés (modèle, résolution max, etc.)
+        """
+        if self._picam2 is None:
+            raise CaptureError("PiCamera2 n'est pas initialisée")
+        return self._picam2.camera_properties
+
+    @property
+    def jpeg_quality(self) -> int:
+        """Qualité JPEG [0-100]."""
+        return self._jpeg_quality
+
+    @jpeg_quality.setter
+    def jpeg_quality(self, value: int) -> None:
+        if not 0 <= value <= 100:
+            raise ValueError("La qualité JPEG doit être comprise entre 0 et 100")
+        self._jpeg_quality = value
+
+    @property
+    def resolution(self) -> tuple[int, int]:
+        """Résolution de capture configurée (largeur, hauteur)."""
+        return (self._width, self._height)

test_tube_scanner/modules/reductstore.py

@@ -0,0 +1,122 @@
+'''
+Created on 21 août 2024
+
+@author: denis
+'''
+import logging
+import asyncio
+from typing import Union
+from abc import ABC
+from reduct import Client, Bucket, BucketSettings   #, QuotaType
+from reduct.time import unix_timestamp_from_any, TIME_PRECISION #, unix_timestamp_to_datetime
+from datetime import datetime, timedelta
+from django.utils import timezone
+from django.conf import settings
+
+
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+class ReductStoreBase(ABC):
+
+    def __init__(self, url, api_token, name, quota_type=None, quota_size=1000_000_000):
+        self.bucket_name = name
+        self.client = Client(url, api_token=api_token)
+        self.quota_type = quota_type
+        self.quota_size = quota_size
+        self.bucket: Bucket = asyncio.run(self.create_bucket())
+        logger.info(f"====  {url} token:{api_token}")
+
+
+    async def create_bucket(self):
+        settings = BucketSettings(
+            quota_type=self.quota_type,
+            quota_size=self.quota_size,
+            exist_ok=True,
+        )
+        return await self.client.create_bucket(self.bucket_name, settings, exist_ok=True)
+
+
+    async def change_bucket(self, **settings):
+        new_settings = BucketSettings(**settings)
+        await self.bucket.set_settings(new_settings)
+
+
+    async def remove_bucket(self):
+        await self.bucket.remove()
+
+
+    async def write(self, entry_name, data, timestamp=None, content_type=None, labels=None):
+        await self.bucket.write(entry_name, data, timestamp=timestamp, content_type=content_type, labels=labels)
+
+
+    def query(self, entry_name, start, stop, ttl=None, when=None):
+        return self.bucket.query(entry_name, start=start, stop=stop, ttl=ttl, when=when)
+
+
+    async def remove_query(self, entry_name, start, stop, when=None):
+        return await self.bucket.remove_query(entry_name, start=start, stop=stop, when=when)
+
+
+    async def read(self, entry_name, timestamp, head=False):
+        async with self.bucket.read(entry_name, timestamp=timestamp, head=head) as record:
+            return await record.read_all()
+
+
+    async def record_content(self, entry_name, timestamp, head=False):
+        async with self.bucket.read(entry_name, timestamp=timestamp, head=head) as record:
+            content = await record.read_all()
+            return record, content
+
+
+class ReductStore(ReductStoreBase):
+    def __init__(self, name):
+        super().__init__(settings.REDUCTSTORE_URL, settings.REDUCTSTORE_TOKEN, name=name)
+
+
+async def old_last_dates(client_db, entry_name='uuid'):
+    oldest, latest = 0, 0
+    infos = await client_db.bucket.get_entry_list()
+    for info in infos:
+        if info.name == entry_name:
+            oldest, latest = info.oldest_record, info.latest_record
+            break
+    return oldest, latest
+
+
+async def date_posterior_to(client_db, uuid: str, post: Union[int, str]):
+    last = None
+    oldest, latest = await old_last_dates(client_db, uuid)
+    if oldest and post:
+        dtpost = timezone.now() - timedelta(seconds=int(post))
+        ts = unix_timestamp_from_any(dtpost)
+        last = ts if ts < latest else None
+    return oldest, last
+
+
+async def dates_filter(client_db, uuid: str, begin: Union[int, datetime, float, str],
+                       end: Union[int, datetime, float, str] = None, duration: int = 0):
+    oldest, latest = await old_last_dates(client_db, uuid)
+
+    ts_from, ts_to = 0, 0
+    if latest:
+        ts_from = unix_timestamp_from_any(begin) if begin else oldest
+        if ts_from < oldest:
+            ts_from = oldest
+
+        if end is None:
+            if not duration:
+                ts_to = latest
+            else:
+                ts_to = ts_from + (duration * TIME_PRECISION)
+                if ts_to > latest:
+                    ts_to = latest
+        else:
+            ts_to = unix_timestamp_from_any(end) if end else latest
+            if ts_to > latest:
+                ts_to = latest
+
+    return ts_from, ts_to if ts_from<ts_to else latest
+
+
+

test_tube_scanner/modules/system_stats.py

@@ -0,0 +1,138 @@
+'''
+Created on 3 févr. 2026
+
+@author: denis
+'''
+from django.conf import settings
+
+# myapp/system_stats.py
+import threading
+import time
+import os
+import psutil
+
+# intervale de mise à jour (secondes)
+REFRESH_INTERVAL = 5
+RAMDISK = "/mnt/ramdisk"
+
+_cache = {
+    "shm": [],
+    "cpu_info": {},
+    "memory_info": {},
+    "disk_info": {},
+    "ramdisk_info": {},
+    "updated_at": None
+}
+
+_lock = threading.Lock()
+_timer = None
+
+
+def _collect_once():
+    data = {}
+
+    # shm: liste /dev/shm si disponible
+    try:
+        path = "/dev/shm"
+        data["shm"] = os.listdir(path) if os.path.exists(path) and os.path.isdir(path) else []
+    except Exception as e:
+        data["shm_error"] = str(e)
+
+
+    # cpu_info
+    try:
+        cpu_times = psutil.cpu_times_percent(interval=None, percpu=False)._asdict()
+        data["cpu_info"] = {
+            "cpu_count": psutil.cpu_count(logical=True),
+            "cpu_count_physical": psutil.cpu_count(logical=False),
+            "cpu_percent": psutil.cpu_percent(interval=None),
+            "cpu_times_percent": cpu_times
+        }
+    except Exception as e:
+        data["cpu_info_error"] = str(e)
+
+
+    # memory_info
+    try:
+        vm = psutil.virtual_memory()._asdict()
+        sm = psutil.swap_memory()._asdict()
+        data["memory_info"] = {"virtual_memory": vm, "swap_memory": sm}
+    except Exception as e:
+        data["memory_info_error"] = str(e)
+
+
+    # disk_info (root and partitions)
+    # ex: if mountpoint == "/ramdisk" and fstype=="tmpfs" then usage.percent, usage.free, etc ...
+    try:
+        usage_root = psutil.disk_usage("/")._asdict()
+        parts = []
+        for p in psutil.disk_partitions(all=False):
+            try:
+                du = psutil.disk_usage(p.mountpoint)._asdict()
+            except Exception:
+                du = {}
+            parts.append({"device": p.device, "mountpoint": p.mountpoint, "fstype": p.fstype, "usage": du})
+        data["disk_info"] = {"root": usage_root, "partitions": parts}
+    except Exception as e:
+        data["disk_info_error"] = str(e)
+
+    # ramdisk
+    # ex: if mountpoint == "/ramdisk" and fstype=="tmpfs" then usage.percent, usage.free, etc ...
+    try:
+        for part in psutil.disk_partitions(all=True):
+            if part.mountpoint == RAMDISK and part.fstype.lower() == "tmpfs":
+                usage = psutil.disk_usage(part.mountpoint)
+                data["ramdisk_info"] = {
+                    "percent": usage.percent,
+                    "mount": part.mountpoint,
+                    "device": part.device,
+                    "fstype": part.fstype,
+                    "total": usage.total,
+                    "used": usage.used,
+                    "free": usage.free,
+                }
+    except Exception as e:
+        data["ramdisk_info_error"] = str(e)
+
+    data["updated_at"] = time.time()
+    return data
+
+
+def _update_cache():
+    global _timer
+    try:
+        new = _collect_once()
+        with _lock:
+            _cache.update(new)
+    finally:
+        # reprogrammer
+        _timer = threading.Timer(REFRESH_INTERVAL, _update_cache)
+        _timer.daemon = True
+        _timer.start()
+
+
+def start_background_updater(interval_seconds: int = None):
+    global REFRESH_INTERVAL, _timer
+    if interval_seconds:
+        REFRESH_INTERVAL = interval_seconds
+    if _timer is not None:
+        return
+    # première collecte synchronisée
+    with _lock:
+        _cache.update(_collect_once())
+    _timer = threading.Timer(REFRESH_INTERVAL, _update_cache)
+    _timer.daemon = True
+    _timer.start()
+
+
+def stop_background_updater():
+    global _timer
+    if _timer is not None:
+        _timer.cancel()
+        _timer = None
+
+
+def get_cached_stats():
+    with _lock:
+        # retourner copie pour sécurité
+        return dict(_cache)

test_tube_scanner/modules/utils.py

@@ -0,0 +1,261 @@
+'''
+Created on 20 avr. 2022
+
+@author: denis
+'''
+import yaml
+import time
+import importlib
+from datetime import datetime
+import string, secrets
+import uuid
+from threading import Event, Thread
+from urllib.parse import urlsplit
+import asyncio
+# sysutils.py
+import os
+import mmap
+import fcntl
+import psutil
+
+
+SHM_DIR = "/dev/shm"
+
+
+def open_shm(name: str, size: int, create=True):
+    path = os.path.join(SHM_DIR, name)
+    flags = os.O_RDWR | (os.O_CREAT if create else 0)
+    fd = os.open(path, flags)
+    try:
+        if create:
+            os.ftruncate(fd, size)
+        mm = mmap.mmap(fd, size)
+    finally:
+        os.close(fd)
+    return mm, path
+
+
+def read_shm(name: str, size: int):
+    mm, path = open_shm(name, size, create=False)  # @UnusedVariable
+    try:
+        mm.seek(0)
+        data = mm.read(size)
+        return data.rstrip(b"\0")
+    finally:
+        mm.close()
+
+
+def write_shm(name: str, size: int, data: bytes):
+    mm, path = open_shm(name, size, create=True)
+    fd = os.open(path, os.O_RDWR)
+    try:
+        fcntl.flock(fd, fcntl.LOCK_EX)
+        try:
+            mm.seek(0)
+            mm.write(data.ljust(size, b"\0")[:size])
+            mm.flush()
+        finally:
+            fcntl.flock(fd, fcntl.LOCK_UN)
+    finally:
+        mm.close()
+        os.close(fd)
+
+
+def get_tmpfs_info(mount_point="/ramdisk"):
+    def sizeof(n):
+        for unit in ['B','KB','MB','GB','TB']:
+            if n < 1024:
+                return f"{n:.1f}{unit}"
+            n /= 1024
+        return f"{n:.1f}PB"
+
+    usage = None
+    for part in psutil.disk_partitions(all=True):
+        if part.mountpoint == mount_point and part.fstype.lower() == "tmpfs":
+            usage = psutil.disk_usage(part.mountpoint)
+            print(f"Mount: {part.mountpoint}")
+            print(f"  Device: {part.device}")
+            print(f"  Fstype: {part.fstype}")
+            print(f"  Total: {usage.total} bytes ({sizeof(usage.total)})")
+            print(f"  Used:  {usage.used} bytes ({sizeof(usage.used)})")
+            print(f"  Free:  {usage.free} bytes ({sizeof(usage.free)})")
+            print(f"  Percent used: {usage.percent}%")
+            break
+    return {
+        "percent": usage.percent,
+        "mount": part.mountpoint,
+        "device": part.device,
+        "fstype": part.fstype,
+        "total": usage.total,
+        "used": usage.used,
+        "free": usage.free,
+    }
+
+
+def get_cpu_info():
+    # cpu percent par coeur et moyennes load
+    return {
+        "cpu_percent_per_cpu": psutil.cpu_percent(interval=0.5, percpu=True),
+        "cpu_percent_total": psutil.cpu_percent(interval=None),
+        "load_avg": os.getloadavg(),  # (1,5,15)
+        "cpu_count": psutil.cpu_count(logical=True),
+    }
+
+
+def get_memory_info():
+    vm = psutil.virtual_memory()
+    sm = psutil.swap_memory()
+    return {
+        "total": vm.total,
+        "available": vm.available,
+        "used": vm.used,
+        "free": vm.free,
+        "percent": vm.percent,
+        "swap_total": sm.total,
+        "swap_used": sm.used,
+        "swap_free": sm.free,
+        "swap_percent": sm.percent,
+    }
+
+
+def get_disk_info(path="/"):
+    du = psutil.disk_usage(path)
+    return {
+        "path": path,
+        "total": du.total,
+        "used": du.used,
+        "free": du.free,
+        "percent": du.percent,
+    }
+
+
+def extract_host_port_path(url, default_port=None):
+    """
+    Retoure (host, port, path) où:
+    - host: string (IP ou hostname) ou None
+    - port: int ou None (utilise default_port si fourni et aucun port explicite)
+    - path: string (chemin + query + fragment si présents), ou '' si absent
+    """
+    parts = urlsplit(url if '://' in url else '//' + url, scheme='')
+    host = parts.hostname
+    port = parts.port or default_port
+    # Reconstruire path complet: path + ('?' + query) + ('#' + fragment)
+    path = parts.path or ''
+    if parts.query:
+        path += '?' + parts.query
+    if parts.fragment:
+        path += '#' + parts.fragment
+    return host, port, path
+
+
+def image_path(imagefile):
+    image_path = imagefile.path
+    pdir = os.path.dirname(image_path)
+    os.makedirs(pdir, exist_ok=True)
+    return str(image_path)
+
+
+def serialize_datetime(obj):
+    if isinstance(obj, datetime):
+        return obj.isoformat()
+    raise TypeError("Type not serializable")
+
+
+def start_async():
+    loop = asyncio.new_event_loop()
+    Thread(target=loop.run_forever, daemon=True).start()
+    return loop
+
+
+def stop_async(loop):
+    loop.call_soon_threadsafe(loop.stop)
+
+
+def submit_async(loop, awaitable):
+    return asyncio.run_coroutine_threadsafe(awaitable, loop)
+
+
+def to_choice(d):
+    choices = []
+    for k, v in d.items():
+        choices.append((k, v))
+    return choices
+
+
+def get_instance_class(module):
+    modulename, classname = module.rsplit(".", 1)
+    return getattr(importlib.import_module(modulename), classname)
+
+
+def wait_for(timeout):
+    Event().wait(timeout)
+
+
+def yaml_load(f):
+    with open(f, 'r') as stream:
+        return yaml.safe_load(stream)
+    return {}
+
+
+def yaml_save(f, context):
+    with open(f, 'w') as stream:
+        yaml.dump(context, stream, default_flow_style = False)
+
+
+def get_uuid():
+    return str(hex(uuid.getnode()))[2:]
+
+
+def millis():
+    return round(time.time() * 1000)
+
+
+def now():
+    return datetime.now()
+
+
+def ts_now():
+    # float second
+    return now().timestamp()
+
+
+def ts_now_s():
+    return int(ts_now())
+
+
+def ts_now_ms():
+    return int(ts_now()*1000)
+
+
+def ts_now_us():
+    return int(ts_now()*1000000)
+
+
+def random_num(n=16):
+    alphabet = string.digits
+    return ''.join(secrets.choice(alphabet) for i in range(n))  # @UnusedVariable
+
+
+def random_chars(n=6):
+    alphabet = string.ascii_letters + string.digits
+    return ''.join(secrets.choice(alphabet) for i in range(n))  # @UnusedVariable
+
+
+def get_apikey(n=32):
+    chars = 'abcdefgh01234ijklABCD4567EFGHIJKLmnopqrstuvwxyz0123456789MNOPQRS789TUVWXYZ'
+    return ''.join(secrets.choice(chars) for i in range(n))  # @UnusedVariable
+
+
+def gen_keywords(s):
+    c = s.replace(',', ' ').replace('+', ' ')
+    return [ w.strip() for w in c.split(' ') if w]
+
+
+def gen_device_uuid(n=19):
+    return hex(int(random_num(n)))[2:]
+
+
+def get_device_uuid(n=19):
+    return f'0x{gen_device_uuid(n)}'
+
+

test_tube_scanner/modules/webcam_capture.py

@@ -0,0 +1,152 @@
+"""
+Implémentation de la capture vidéo pour webcam via OpenCV (cv2).
+Dépendance : opencv-python  (pip install opencv-python)
+
+    OpenCV (cv2) avec import local pour éviter une dépendance globale
+    Résolution configurable, qualité JPEG réglable à chaud, accès V4L2 par index
+    get_resolution() pour lire la résolution effective appliquée par le pilote
+"""
+import os
+os.environ['OPENCV_LOG_LEVEL']="0"
+os.environ['OPENCV_FFMPEG_LOGLEVEL']="0"
+import cv2
+
+import logging
+from typing import Optional
+from .capture_interface import CaptureError, VideoCaptureInterface
+
+logger = logging.getLogger(__name__)
+
+
+class WebcamCapture(VideoCaptureInterface):
+    """
+    Capture JPEG depuis une webcam USB/intégrée via OpenCV.
+
+    Exemple d'utilisation ::
+
+        cam = WebcamCapture(device_index=0, fps=5)
+        cam.set_frame_callback(lambda data, ts: print(f"{ts}: {len(data)} octets"))
+        cam.start()
+        time.sleep(10)
+        cam.stop()
+    """
+
+    def __init__(
+        self,
+        device_index: int = 0,
+        fps: float = VideoCaptureInterface.DEFAULT_FPS,
+        jpeg_quality: int = 85,
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+    ):
+        """
+        :param device_index:  Index du périphérique V4L2 (0 = première webcam)
+        :param fps:           Cadence cible en images par seconde
+        :param jpeg_quality:  Qualité de compression JPEG [0-100]
+        :param width:         Largeur souhaitée (None = valeur par défaut du pilote)
+        :param height:        Hauteur souhaitée (None = valeur par défaut du pilote)
+        """
+        super().__init__(fps=fps)
+        self._device_index: int = device_index
+        self._jpeg_quality: int = jpeg_quality
+        self._width: Optional[int] = width
+        self._height: Optional[int] = height
+        self._cap = None                          # Instance cv2.VideoCapture
+
+    # ------------------------------------------------------------------
+    # Implémentation des méthodes abstraites
+    # ------------------------------------------------------------------
+
+    def open(self) -> None:
+        """Ouvre le flux V4L2 via OpenCV et configure la résolution."""
+
+        self._cap = cv2.VideoCapture(self._device_index)
+
+        if not self._cap.isOpened():
+            raise CaptureError(
+                f"Impossible d'ouvrir la webcam (index={self._device_index})"
+            )
+
+        # Application de la résolution demandée
+        if self._width:
+            self._cap.set(cv2.CAP_PROP_FRAME_WIDTH, self._width)
+        if self._height:
+            self._cap.set(cv2.CAP_PROP_FRAME_HEIGHT, self._height)
+
+        # Lecture de la résolution effectivement appliquée par le pilote
+        actual_w = int(self._cap.get(cv2.CAP_PROP_FRAME_WIDTH))
+        actual_h = int(self._cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
+        logger.info(
+            "Webcam ouverte : index=%d résolution=%dx%d",
+            self._device_index, actual_w, actual_h,
+        )
+
+    def close(self) -> None:
+        """Libère le flux OpenCV."""
+        if self._cap and self._cap.isOpened():
+            self._cap.release()
+            logger.info("Webcam fermée (index=%d)", self._device_index)
+        self._cap = None
+
+    def capture_frame(self) -> bytes:
+        """
+        Lit une trame brute depuis OpenCV et l'encode en JPEG.
+
+        :return: Données JPEG brutes
+        :raises CaptureError: Si la lecture ou l'encodage échoue
+        """
+        #import cv2
+        #import numpy as np                        # noqa: F401 — utilisé implicitement par cv2
+
+        if not self._cap or not self._cap.isOpened():
+            raise CaptureError("La webcam n'est pas ouverte")
+
+        ret, frame = self._cap.read()
+        if not ret or frame is None:
+            raise CaptureError("Échec de lecture de la trame")
+
+        # Encodage BGR → JPEG avec la qualité configurée
+        encode_params = [cv2.IMWRITE_JPEG_QUALITY, self._jpeg_quality]
+        success, buffer = cv2.imencode(".jpg", frame, encode_params)
+
+        if not success:
+            raise CaptureError("Échec d'encodage JPEG")
+
+        return buffer.tobytes()
+
+    def is_available(self) -> bool:
+        """Retourne True si le flux OpenCV est ouvert et prêt."""
+        return self._cap is not None and self._cap.isOpened()
+
+    # ------------------------------------------------------------------
+    # Accesseurs spécifiques à la webcam
+    # ------------------------------------------------------------------
+
+    @property
+    def device_index(self) -> int:
+        """Index du périphérique V4L2."""
+        return self._device_index
+
+    @property
+    def jpeg_quality(self) -> int:
+        """Qualité JPEG [0-100]."""
+        return self._jpeg_quality
+
+    @jpeg_quality.setter
+    def jpeg_quality(self, value: int) -> None:
+        if not 0 <= value <= 100:
+            raise ValueError("La qualité JPEG doit être comprise entre 0 et 100")
+        self._jpeg_quality = value
+
+    def get_resolution(self) -> Optional[tuple[int, int]]:
+        """
+        Retourne la résolution effective du flux.
+
+        :return: Tuple (largeur, hauteur) ou None si la webcam est fermée
+        """
+        if not self.is_available():
+            return None
+
+        w = int(self._cap.get(cv2.CAP_PROP_FRAME_WIDTH))
+        h = int(self._cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
+        return (w, h)

test_tube_scanner/scanner/admin.py

@@ -0,0 +1,64 @@
+from django.contrib import admin
+from django.db.models import Q
+from . import models
+
+class WellAdmin(admin.ModelAdmin):
+    model = models.Well
+    list_display = ('name', 'author',)
+
+class ConfigurationAdmin(admin.ModelAdmin):
+    list_display = ('name', 'author', 'use_rpicam', 'video_width_capture', 'video_height_capture', 'video_frame_rate', 'active',)
+
+class MultiWellAdmin(admin.ModelAdmin):
+    list_filter = ('author',)
+    list_display = ('label', 'position', 'author', 'order', 'xbase', 'ybase', 'duration', 'feed', 'active',)
+
+class ObservationMultiWellDetailInline(admin.TabularInline):
+    model = models.ObservationMultiWellDetail
+    extra = 0
+
+class ObservationAdmin(admin.ModelAdmin):
+    inlines = (ObservationMultiWellDetailInline,)
+    list_filter = ('sessionobservation__session', 'author', )
+    list_display = ('title', 'author',  'multiwell', 'created', 'started', 'finished')
+    readonly_fields = ('created',  'started',  'finished', )
+
+class SessionObservationInlineAdmin(admin.TabularInline):
+    model = models.SessionObservation
+    fk_name = 'session'
+    extra = 0
+
+    def formfield_for_foreignkey(self, db_field, request, **kwargs):
+        if db_field.name == "observation":
+            obj_id = request.resolver_match.kwargs.get("object_id")
+
+            qs = models.Observation.objects.filter(sessionobservation__isnull=True)
+            if obj_id:
+                qs = models.Observation.objects.filter(
+                    Q(sessionobservation__isnull=True) |
+                    Q(sessionobservation__session_id=obj_id)
+                )
+            kwargs["queryset"] = qs.distinct()
+
+        return super().formfield_for_foreignkey(db_field, request, **kwargs)
+
+class SessionAdmin(admin.ModelAdmin):
+    list_filter = ('author',)
+    inlines = (SessionObservationInlineAdmin, )
+    list_display = ('name', 'author', 'created', 'finished', 'active', 'expected_export', 'expected_scanning', )
+    readonly_fields = (
+        'created', 
+        'finished',
+        'export_status',
+        'export_task', 
+        'export_exported_at', 
+        'scanning_status',
+        'scanning_task', 
+        'scanning_finished_at'
+    )
+
+admin.site.register(models.Configuration, ConfigurationAdmin)
+admin.site.register(models.Well, WellAdmin)
+admin.site.register(models.MultiWell, MultiWellAdmin)
+admin.site.register(models.Observation, ObservationAdmin)
+admin.site.register(models.Session, SessionAdmin)

test_tube_scanner/scanner/apps.py

@@ -0,0 +1,8 @@
+from django.apps import AppConfig
+
+
+class ScannerConfig(AppConfig):
+    name = 'scanner'
+    
+    def ready(self):
+        import scanner.models  # noqa — active les signaux post_save/post_delete

test_tube_scanner/scanner/consumers.py

@@ -0,0 +1,62 @@
+#
+#from django.utils.translation import gettext_lazy as _
+#from channels.layers import get_channel_layer
+#from django.conf import settings
+#import asyncio
+#from asgiref.sync import sync_to_async
+import json, logging
+from channels.generic.websocket import AsyncWebsocketConsumer
+
+from .process import redisDB
+
+logger = logging.getLogger(__name__)
+
+class ScannerConsumer(AsyncWebsocketConsumer):
+
+    async def connect(self):
+        self.this_group = f"scanner_proc"
+        await self.channel_layer.group_add(self.this_group, self.channel_name)
+        await self.accept()
+        logger.info(f"==== connected to {self.this_group}")
+
+    async def disconnect(self, close_code):
+        await self.channel_layer.group_discard(self.this_group, self.channel_name)
+        logger.info( f"==== Disconnect from {self.this_group}")
+
+    async def scanner_message(self, event):
+        await self.send(text_data=json.dumps(event["text"]))
+
+    ## Receive message from WebSocket
+    async def receive(self, text_data):
+        data = json.loads(text_data)
+        msg_type  = data.get("type")
+        if msg_type in ["scanner", "calibrate"]:
+            redisDB.publish(self.this_group, json.dumps(data))
+
+    async def replay_message(self, event):
+        await self.send(text_data=json.dumps(event["text"]))
+
+
+class ReplayConsumer(AsyncWebsocketConsumer):
+
+    async def connect(self):
+        self.this_group = f"replay_proc"
+        await self.channel_layer.group_add(self.this_group, self.channel_name)
+        await self.accept()
+        logger.info(f"==== connected to {self.this_group}")
+
+    async def disconnect(self, close_code):
+        await self.channel_layer.group_discard(self.this_group, self.channel_name)
+        logger.info( f"==== Disconnect from {self.this_group}")
+
+    async def replay_message(self, event):
+        await self.send(text_data=json.dumps(event["text"]))
+
+
+    ## Receive message from WebSocket
+    async def receive(self, text_data):
+        data = json.loads(text_data)
+        msg_type  = data.get("type")
+        if msg_type == "replay":
+            redisDB.publish(self.this_group, json.dumps(data))
+

test_tube_scanner/scanner/export_tasks.py

@@ -0,0 +1,604 @@
+# Tâches d'exportation pour les vidéos de caméra
+import zipfile
+from celery.utils.log import get_task_logger
+import shutil
+import os, sys
+import posix_ipc
+import mmap
+import cv2
+import numpy as np
+from django.http import JsonResponse, HttpResponse
+from django.conf import settings
+from reduct.time import unix_timestamp_to_iso
+
+from .process import CameraRecordManager, cameraDB
+
+logger = get_task_logger(__name__)
+
+def progress_bar(iteration, total, prefix='', suffix='', length=30, fill='█'):
+    percent = ("{0:.1f}").format(100 * (iteration / float(total)))
+    filled_length = int(length * iteration // total)
+    bar = fill * filled_length + '-' * (length - filled_length)
+    sys.stdout.write(f'\r{prefix} |{bar}| {percent}% {suffix}')
+    sys.stdout.flush()
+    
+
+def delete_file_later(path):
+    try:
+        if os.path.exists(path):
+            os.remove(path)
+    except Exception as e:
+        logger.error(f"[cleanup] error deleting {path}: {e}")
+        raise
+
+
+async def remove_video_by_uuid(uuid, start_ts=None, end_ts=None, when=None):
+    record_manager = CameraRecordManager(cameraDB)
+    await record_manager.remove(uuid, start_ts, end_ts)
+
+
+async def remove_video(uuid, start_ts, end_ts, when=None):
+    try:
+        await remove_video_by_uuid(uuid, start_ts, end_ts, when=when)
+        return JsonResponse({'state': 'ok'}, status=200)
+    except Exception as e:
+        return JsonResponse({'error': str(e)}, status=500)
+
+
+async def shm_download_video(uuid, start_ts, end_ts, frame_rate=5, opencv_fourcc_format='mp4v', opencv_video_type='mp4'):
+    try:
+        record_manager = CameraRecordManager(cameraDB)
+        total_size = await record_manager.size(uuid, start_ts, end_ts)
+
+        # segment de mémoire partagée pour stocker les frames
+        shm_size = int(total_size * 1.5)
+        shm_name = f"/video_frames_{uuid}"
+        try:
+            shm = posix_ipc.SharedMemory(shm_name, posix_ipc.O_CREAT | posix_ipc.O_EXCL, size=shm_size)
+        except posix_ipc.ExistentialError:
+            existing = posix_ipc.SharedMemory(shm_name, flags=0)
+            existing.close_fd()
+            try:
+                existing.unlink()
+            except posix_ipc.ExistentialError:
+                pass
+            shm = posix_ipc.SharedMemory(shm_name, posix_ipc.O_CREAT | posix_ipc.O_EXCL, size=shm_size)
+        mm = mmap.mmap(shm.fd, shm_size)
+
+        queries = record_manager.query(uuid, start_ts, end_ts)
+        offset = 0
+        frame_sizes = []
+        total = 0
+        async for record in queries:
+            frame_bytes = await record.read_all()
+            frame_size = len(frame_bytes)
+
+            mm[offset:offset + frame_size] = frame_bytes
+            frame_sizes.append(frame_size)
+            offset += frame_size
+            total += 1
+
+        if not frame_sizes:
+            return JsonResponse({'error': 'Aucune frame trouvée'}, status=404)
+
+        video_path = os.path.join(settings.MEDIA_ROOT, f"output.{opencv_video_type}")
+        fourcc = cv2.VideoWriter_fourcc(* opencv_fourcc_format)
+
+        # Lit les frames depuis la mémoire partagée
+        current_offset = 0
+        i = 0
+        for size in frame_sizes:
+            frame_bytes = mm[current_offset:current_offset + size]
+            nparr = np.frombuffer(frame_bytes, np.uint8)
+            frame = cv2.imdecode(nparr, cv2.IMREAD_COLOR)
+            if 'video' not in locals():
+                height, width, _ = frame.shape
+                video = cv2.VideoWriter(video_path, fourcc, frame_rate, (width, height))
+            video.write(frame)
+            current_offset += size
+            
+            progress_bar(i + 1, total, prefix=f'Progression {uuid}:', suffix='Terminé', length=30)
+            i+=1             
+            
+        video.release()
+
+        # Nettoie la mémoire partagée
+        shm.unlink()
+
+        # Vérifier que le fichier existe
+        if not os.path.exists(video_path):
+            logger.error(f"Fichier non créé: {video_path}")
+            return JsonResponse({'error': 'Erreur création vidéo'}, status=500)
+
+        # Lit le fichier vidéo généré
+        with open(video_path, 'rb') as f:
+            video_bytes = f.read()
+
+        # Retourne la vidéo en réponse
+        response = HttpResponse(video_bytes, content_type='video/mp4')
+        response['Content-Disposition'] = f'attachment; filename="{video_path}"'
+        response['Content-Length'] = os.path.getsize(video_path)
+
+
+        # Supprime le fichier temporaire
+        os.remove(video_path)
+        return response
+
+    except Exception as e:
+        logger.error(f"shm_download_video: {e}")
+        return JsonResponse({'error': str(e)}, status=500)
+
+# ─────────────────────────────────────────────
+##
+# ─────────────────────────────────────────────
+def remote_mount_available(mount_point: str = "/mnt/exports_cam") -> bool:
+    """
+    Vérifie que le point de montage Samba est actif et accessible en écriture.
+    """
+    return os.path.ismount(mount_point) and os.access(mount_point, os.W_OK)
+
+
+def _copy_to_destinations(source_path: str, filename: str) -> dict:
+    """
+    Copie le fichier exporté vers les destinations configurées.
+    Retourne un dict avec les chemins effectivement écrits.
+    """
+    results = {"local": None, "remote": None}
+
+    for dest in settings.EXPORT_DESTINATIONS:
+
+        if dest == "local":
+            # Déjà sur place, rien à copier
+            results["local"] = source_path
+
+        elif dest == "remote":
+            remote_path = os.path.join(settings.EXPORT_REMOTE_DIR, filename)
+            try:
+                if not remote_mount_available(settings.EXPORT_REMOTE_DIR):
+                    logger.warning("Partage Samba non disponible, copie ignorée")
+                    results["remote_error"] = "Montage indisponible"
+                    continue                
+                
+                # Copie locale vers le point de montage Samba
+                shutil.copy2(source_path, remote_path)
+                results["remote"] = remote_path
+                logger.info("Copie distante OK : %s", remote_path)
+            except OSError as exc:
+                # Le partage est peut-être absent (machine Windows éteinte)
+                logger.error("Copie distante échouée [%s] : %s", remote_path, exc)
+                results["remote_error"] = str(exc)
+
+    return results
+
+
+# ─────────────────────────────────────────────
+# Tâche 1 : Export des frames en ZIP d'images
+# ─────────────────────────────────────────────
+async def export_images_zip(
+    uuid: str,
+    start_ts: float | None = None,
+    end_ts: float | None = None,
+    jpeg_quality: int = 85,
+    max_zip_size_mb: int = 0,
+    max_image_width: int = 0,
+    max_image_height: int = 0,
+):
+    """
+    Exporte les frames d'une caméra sous forme d'archive ZIP contenant des JPEG.
+
+    :param uuid: Identifiant de la caméra
+    :param start_ts: Timestamp de début (epoch secondes)
+    :param end_ts: Timestamp de fin (epoch secondes)
+    :param max_zip_size_mb: Taille maximale du ZIP en Mo (0 = illimité)
+    :param jpeg_quality: Qualité JPEG 1-100 (défaut 85)
+    :param max_image_width: Redimensionnement max largeur en px (0 = non redimensionné)
+    :param max_image_height: Redimensionnement max hauteur en px (0 = non redimensionné)
+    :return: Chemin du fichier ZIP généré + rapport JSON
+    """
+    shm = None
+    mm = None
+    shm_name = f"/img_frames_{uuid}"
+
+    try:
+        # --- Chargement des frames en mémoire partagée ---
+        record_manager = CameraRecordManager(cameraDB)
+        total_size = await record_manager.size(uuid, start_ts, end_ts)
+        shm_size = int(total_size * 1.5)
+
+        try:
+            shm = posix_ipc.SharedMemory(
+                shm_name, posix_ipc.O_CREAT | posix_ipc.O_EXCL, size=shm_size
+            )
+        except posix_ipc.ExistentialError:
+            existing = posix_ipc.SharedMemory(shm_name, flags=0)
+            existing.close_fd()
+            try:
+                existing.unlink()
+            except posix_ipc.ExistentialError:
+                pass
+            shm = posix_ipc.SharedMemory(
+                shm_name, posix_ipc.O_CREAT | posix_ipc.O_EXCL, size=shm_size
+            )
+
+        mm = mmap.mmap(shm.fd, shm_size)
+
+        queries = record_manager.query(uuid, start_ts, end_ts)
+        if not start_ts:
+            start_ts = record_manager.oldest_ts
+        if not end_ts:
+            end_ts = record_manager.latest_ts
+
+        offset = 0
+        frame_sizes = []
+        ts = []
+        total = 0
+        async for record in queries:
+            ts.append(record.timestamp)
+            frame_bytes = await record.read_all()
+            frame_size = len(frame_bytes)
+
+            mm[offset:offset + frame_size] = frame_bytes
+            frame_sizes.append(frame_size)
+            offset += frame_size
+            total += 1
+
+        if not frame_sizes:
+            return {"status": "error", "message": "Aucune frame trouvée"}
+
+        # --- Génération du ZIP ---
+        max_zip_bytes = max_zip_size_mb * 1024 * 1024 if max_zip_size_mb > 0 else 0
+        ts_s = unix_timestamp_to_iso(start_ts)
+        zip_filename = f"{uuid}_{ts_s}.zip"
+        zip_path = os.path.join(settings.EXPORTS_LOCAL_PATH, 'images', zip_filename)
+        os.makedirs(os.path.dirname(zip_path), exist_ok=True)
+
+        skipped = 0
+        written = 0
+        current_offset = 0
+        encode_params = [cv2.IMWRITE_JPEG_QUALITY, jpeg_quality]
+
+        i = 0
+        with zipfile.ZipFile(zip_path, "w", zipfile.ZIP_DEFLATED) as zf:
+            for idx, size in enumerate(frame_sizes):
+                # Vérification de la taille du ZIP
+                if max_zip_bytes and os.path.getsize(zip_path) >= max_zip_bytes:
+                    skipped += len(frame_sizes) - idx
+                    logger.warning(
+                        "export_images_zip: limite %d Mo atteinte, %d frames ignorées",
+                        max_zip_size_mb,
+                        len(frame_sizes) - idx,
+                    )
+                    break
+
+                frame_bytes = mm[current_offset:current_offset + size]
+                nparr = np.frombuffer(frame_bytes, np.uint8)
+                frame = cv2.imdecode(nparr, cv2.IMREAD_COLOR)
+
+                if frame is None:
+                    current_offset += size
+                    skipped += 1
+                    continue
+
+                # Redimensionnement optionnel
+                if max_image_width > 0 or max_image_height > 0:
+                    frame = _resize_frame(frame, max_image_width, max_image_height)
+
+                # Encodage JPEG en mémoire puis ajout au ZIP
+                ok, buf = cv2.imencode(".jpg", frame, encode_params)
+                if ok:
+                    #zf.writestr(f"frame_{idx:06d}.jpg", buf.tobytes())
+                    ts_iso = unix_timestamp_to_iso(ts[idx])
+                    #logger.info(f"export_images_zip: adding frame {idx} with timestamp {ts_iso} to ZIP")
+                    zf.writestr(f"{uuid}_{ts_iso}.jpg", buf.tobytes())
+                    written += 1
+                    
+                progress_bar(i + 1, total, prefix=f'Progression {uuid}:', suffix='Terminé', length=30)
+                i+=1                   
+                current_offset += size
+        
+        ## Copie vers les destinations (local + Samba)    
+        #destinations = _copy_to_destinations(zip_path, zip_filename)   
+        return {
+            "status": "success",
+            "zip_path": zip_path,
+            "frames_written": written,
+            "frames_skipped": skipped,
+            "jpeg_quality": jpeg_quality,
+            #"destinations": destinations,
+        }
+
+    except Exception as exc:
+        logger.error("export_images_zip [%s]: %s", uuid, exc, exc_info=True)
+        return {"status": "error", "message": str(exc)}
+
+    finally:
+        if mm:
+            mm.close()
+        if shm:
+            try:
+                shm.unlink()
+            except posix_ipc.ExistentialError:
+                pass
+
+
+# ─────────────────────────────────────────────
+# Tâche 2 : Export des frames en vidéo MP4
+# ─────────────────────────────────────────────
+#@shared_task(bind=True)
+async def export_video_mp4(
+    uuid: str,
+    start_ts: float | None = None,
+    end_ts: float | None = None,
+    frame_rate: int = 5,
+    opencv_fourcc_format='mp4v',
+    opencv_video_type='mp4',
+    max_video_size_mb: int = 0,
+    max_width: int = 0,
+    max_height: int = 0,
+):
+    """
+    Exporte les frames d'une caméra en fichier MP4 via OpenCV.
+
+    :param uuid: Identifiant de la caméra
+    :param start_ts: Timestamp de début (epoch secondes)
+    :param end_ts: Timestamp de fin (epoch secondes)
+    :param frame_rate: Images par seconde (défaut 5)
+    :param max_video_size_mb: Taille maximale du MP4 en Mo (0 = illimité)
+    :param max_width: Redimensionnement max largeur en px (0 = non redimensionné)
+    :param max_height: Redimensionnement max hauteur en px (0 = non redimensionné)
+    :return: Chemin du fichier MP4 généré + rapport JSON
+    """
+    shm = None
+    mm = None
+    video = None
+    shm_name = f"/vid_frames_{uuid}"
+
+    try:      
+        # --- Chargement des frames en mémoire partagée ---
+        record_manager = CameraRecordManager(cameraDB)
+        total_size = await record_manager.size(uuid, start_ts, end_ts)
+        shm_size = int(total_size * 1.5)
+
+        try:
+            shm = posix_ipc.SharedMemory(
+                shm_name, posix_ipc.O_CREAT | posix_ipc.O_EXCL, size=shm_size
+            )
+        except posix_ipc.ExistentialError:
+            existing = posix_ipc.SharedMemory(shm_name, flags=0)
+            existing.close_fd()
+            try:
+                existing.unlink()
+            except posix_ipc.ExistentialError:
+                pass
+            shm = posix_ipc.SharedMemory(
+                shm_name, posix_ipc.O_CREAT | posix_ipc.O_EXCL, size=shm_size
+            )
+
+        mm = mmap.mmap(shm.fd, shm_size)
+        queries = record_manager.query(uuid, start_ts, end_ts)
+        
+        if not start_ts:
+            start_ts = record_manager.oldest_ts
+        if not end_ts:
+            end_ts = record_manager.latest_ts        
+    
+        offset = 0
+        frame_sizes = []
+        total = 0
+        async for record in queries:
+            frame_bytes = await record.read_all()
+            frame_size = len(frame_bytes)
+
+            mm[offset:offset + frame_size] = frame_bytes
+            frame_sizes.append(frame_size)
+            offset += frame_size
+            total +=1
+
+        if not frame_sizes:
+            return {"status": "error", "message": "Aucune frame trouvée"}
+
+
+        # --- Génération du MP4 ---
+        max_video_bytes = max_video_size_mb * 1024 * 1024 if max_video_size_mb > 0 else 0
+        
+        ts_s = unix_timestamp_to_iso(start_ts)
+        video_path = os.path.join(
+            settings.EXPORTS_LOCAL_PATH, 'videos', f"{uuid}_{ts_s}.{opencv_video_type}"
+        )
+        os.makedirs(os.path.dirname(video_path), exist_ok=True)
+
+        fourcc = cv2.VideoWriter_fourcc(*opencv_fourcc_format)
+        skipped = 0
+        written = 0
+        current_offset = 0
+
+        i=0
+        for idx, size in enumerate(frame_sizes):
+            # Vérification de la taille du MP4 en cours
+            if (
+                max_video_bytes
+                and video is not None
+                and os.path.exists(video_path)
+                and os.path.getsize(video_path) >= max_video_bytes
+            ):
+                skipped += len(frame_sizes) - idx
+                logger.warning(
+                    "export_video_mp4: limite %d Mo atteinte, %d frames ignorées",
+                    max_video_size_mb,
+                    len(frame_sizes) - idx,
+                )
+                break
+
+            frame_bytes = mm[current_offset:current_offset + size]
+            nparr = np.frombuffer(frame_bytes, np.uint8)
+            frame = cv2.imdecode(nparr, cv2.IMREAD_COLOR)
+
+            if frame is None:
+                current_offset += size
+                skipped += 1
+                continue
+
+            # Redimensionnement optionnel
+            if max_width > 0 or max_height > 0:
+                frame = _resize_frame(frame, max_width, max_height)
+
+            # Initialisation du VideoWriter sur la première frame valide
+            if video is None:
+                h, w, _ = frame.shape
+                video = cv2.VideoWriter(video_path, fourcc, frame_rate, (w, h))
+
+            video.write(frame)
+            written += 1
+            current_offset += size
+
+            progress_bar(i + 1, total, prefix=f'Progression {uuid}:', suffix='Terminé', length=30)
+            i+=1
+
+        if video:
+            video.release()
+
+        if not os.path.exists(video_path):
+            return {"status": "error", "message": f"Fichier {opencv_video_type} non créé"}
+        
+        ## Copie vers les destinations (local + Samba)
+        #filename = os.path.basename(video_path)
+        #destinations = _copy_to_destinations(video_path, filename)
+        return {
+            "status": "success",
+            "video_path": video_path,
+            "frames_written": written,
+            "frames_skipped": skipped,
+            "frame_rate": frame_rate,
+            "file_size_mb": round(os.path.getsize(video_path) / 1024 / 1024, 2),
+            #"destinations": destinations,
+        }
+
+    except Exception as exc:
+        logger.error("export_video_mp4 [%s]: %s", uuid, exc, exc_info=True)
+        return {"status": "error", "message": str(exc)}
+
+    finally:
+        if mm:
+            mm.close()
+        if shm:
+            try:
+                shm.unlink()
+            except posix_ipc.ExistentialError:
+                pass
+
+
+# ─────────────────────────────────────────────
+# Utilitaire commun
+# ─────────────────────────────────────────────
+def _resize_frame(
+    frame: np.ndarray, max_width: int, max_height: int
+) -> np.ndarray:
+    """
+    Redimensionne une frame en conservant le ratio si un max est dépassé.
+    max_width ou max_height à 0 signifie sans contrainte sur cet axe.
+    """
+    h, w = frame.shape[:2]
+    scale = 1.0
+
+    if max_width > 0 and w > max_width:
+        scale = min(scale, max_width / w)
+    if max_height > 0 and h > max_height:
+        scale = min(scale, max_height / h)
+
+    if scale < 1.0:
+        new_w = int(w * scale)
+        new_h = int(h * scale)
+        frame = cv2.resize(frame, (new_w, new_h), interpolation=cv2.INTER_AREA)
+
+    return frame
+
+# tasks/export_tasks.py
+
+from celery import shared_task, group
+from django.utils import timezone
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+@shared_task(bind=True)
+def run_session_exports(self, session_id: str):
+    """
+    Point d'entrée déclenché par django_celery_beat.
+    Lance en parallèle l'export images et l'export vidéo de la session.
+    """
+    from cameras.models import ExportSession
+
+    try:
+        session = ExportSession.objects.get(session_id=session_id)
+    except ExportSession.DoesNotExist:
+        logger.error("run_session_exports: session %s introuvable", session_id)
+        return {"status": "error", "message": "Session introuvable"}
+
+    session.status = ExportSession.Status.RUNNING
+    session.save(update_fields=["status"])
+
+    try:
+        # Lancement en parallèle avec group Celery
+        job = group(
+            export_all_images.s(session_id),
+            export_all_videos.s(session_id),
+        ).apply_async()
+
+        results = job.get(timeout=7200)         # 2h max pour les deux
+
+        session.status      = ExportSession.Status.DONE
+        session.exported_at = timezone.now()
+        session.save(update_fields=["status", "exported_at"])
+
+        return {"status": "success", "results": results}
+
+    except Exception as exc:
+        session.status = ExportSession.Status.ERROR
+        session.save(update_fields=["status"])
+        logger.error("run_session_exports [%s]: %s", session_id, exc, exc_info=True)
+        return {"status": "error", "message": str(exc)}
+
+
+@shared_task(bind=True)
+def export_all_images(self, session_id: str):
+    """
+    Export ZIP de toutes les images de la session.
+    """
+    from cameras.models import ExportSession
+
+    session = ExportSession.objects.get(session_id=session_id)
+
+    return export_images_zip(
+        session.camera_uuid,
+        session.start_ts,
+        session.end_ts,
+        max_zip_size_mb  = session.max_zip_size_mb,
+        jpeg_quality     = session.jpeg_quality,
+        max_image_width  = session.max_image_width,
+        max_image_height = session.max_image_height,
+    )
+
+
+@shared_task(bind=True)
+def export_all_videos(self, session_id: str):
+    """
+    Export MP4 de toutes les vidéos de la session.
+    """
+    from cameras.models import ExportSession
+
+    session = ExportSession.objects.get(session_id=session_id)
+
+    return export_video_mp4(
+        session.camera_uuid,
+        session.start_ts,
+        session.end_ts,
+        frame_rate        = session.frame_rate,
+        max_video_size_mb = session.max_video_size_mb,
+        max_width         = session.max_width,
+        max_height        = session.max_height,
+    )
+
+
+
+

test_tube_scanner/scanner/models.py

@@ -0,0 +1,308 @@
+# Django models for test tube scanner application
+# Created on 10/04/2024
+# denis@linuxtarn.org
+from django.utils.translation import gettext_lazy as _
+import uuid
+import json
+from django_celery_beat.models import PeriodicTask, ClockedSchedule
+from django.dispatch import receiver
+from django.db.models.signals import post_save, post_delete
+
+from django.utils import timezone
+from django.db import models
+from django.contrib.auth.models import User
+
+# Multi-well positions on the table for calibration and observation
+MULTIWELL_POSITION = [
+    ('HG', _("Haut gauche")),
+    ('HD', _("Haut droit")),
+    ('BG', _("Bas gauche")),
+    ('BD', _("Bas droit")),
+    ('BM', _("Bas milieu")),
+    ('HM', _("Haut milieu")),
+]
+
+FOURCC_FORMAT = [
+    ('mp4v', _("MP4")),
+    ('XVID', _("XVID")),
+]
+
+VIDEO_TYPE = [
+    ('mp4', _("MP4")),
+    ('avi', _("AVI")),
+]
+
+class Configuration(models.Model):
+    name = models.CharField(_("Nom de la Configuration"), help_text=_("Nom de la configuration"), max_length=100, null=True, blank=False, default=_("Configuration par défaut"))
+    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="Auteur", null=True, blank=True)
+    # Dashboard configuration
+    sidebar_width = models.CharField(_("Barre latérale"), help_text=_("Largeur barre latérale (css)"), max_length=32, null=True, blank=False, default="350px")
+    default_grid_columns = models.PositiveSmallIntegerField(_("Colonnes de la grille par défaut"), help_text=_("Nombre de colonnes de la grille par défaut"), blank=False, default=3)
+    # opencv
+    opencv_fourcc_format = models.CharField(_("Fourcc"), help_text=_('Opencv fourcc format'), max_length=8, choices=FOURCC_FORMAT, null=True, blank=False, default='mp4v')
+    opencv_video_type = models.CharField(_("Video type"), help_text=_('Opencv video type'), max_length=8, choices=VIDEO_TYPE, null=True, blank=False, default='mp4')
+    # Grbl configuration
+    grbl_xmax = models.FloatField(_("Grbl Xmax"), help_text=_("CNC Grbl Xmax en mm"), blank=False, default=350.0)
+    grbl_ymax = models.FloatField(_("Grbl Ymax"), help_text=_("CNC Grbl Ymax en mm"), blank=False, default=250.0)
+    # camera configuration
+    use_rpicam = models.BooleanField(_("Utiliser rpicam"), help_text=_("Par défaaut. Sinon USB webcam"), default=True)
+    webcam_device_index = models.PositiveSmallIntegerField(_("Index de la webcam"), help_text=_("Index de la webcam (0, 1, ...) si présente"), default=2)
+    image_quality = models.PositiveSmallIntegerField(_("Qualité JPEG"), help_text=_("Qualité JPEG (1-100) pour les images exportées"), default=90)
+    video_jpeg_quality = models.PositiveSmallIntegerField(_("Qualité JPEG pour les vidéos"), help_text=_("Qualité JPEG (1-100) pour les images extraites des vidéos"), default=90)
+    video_frame_rate = models.FloatField(_("Fréquence vidéos (fps)"), help_text=_("Fréquence d'extraction des images des vidéos (images par seconde)"), default=5.0)
+    video_width_capture = models.PositiveSmallIntegerField(_("Largeur de capture vidéo"), help_text=_("Largeur de capture vidéo en pixels"), default=1280)
+    video_height_capture = models.PositiveSmallIntegerField(_("Hauteur de capture vidéo"), help_text=_("Hauteur de capture vidéo en pixels"), default=720)
+    # Calibration
+    calibration_crop_radius = models.PositiveSmallIntegerField(_("Rayon de découpe pour la calibration"), help_text=_("Rayon en pixels pour découper les images de calibration en px"), default=150)
+    calibration_default_multiwell = models.CharField(_("Multi-puits de calibration par défaut"), help_text=_("Position du multi-puits de calibration par défaut"), max_length=8, choices=MULTIWELL_POSITION, default='HG')
+    calibration_default_feed = models.PositiveIntegerField(_("Vitesse de calibration"), help_text=_("Vitesse de déplacement pour la calibration en mm/mn"), default=1000)
+    calibration_default_step = models.FloatField(_("Pas de calibration"), help_text=_("Pas de déplacement pour la calibration en mm"), default=1.0)
+
+    active = models.BooleanField(_("Actif"), default=False)
+
+    class Meta:
+        ordering = ['id', ]
+        verbose_name = _("Configuration")
+        verbose_name_plural = verbose_name
+
+    def __str__(self):
+        return f'{self.name}'
+
+class Well(models.Model):
+    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="Auteur", null=True, blank=True)
+    name =  models.CharField(_("Nom"), help_text=_("Nom du puit: Ai..Di"), unique=True, max_length=4, null=True, blank=True)
+
+    class Meta:
+        ordering = ['name', ]
+        verbose_name = _("Puit")
+        verbose_name_plural = _("Puits")
+
+    def __str__(self):
+        return f'{self.name}'
+
+class MultiWell(models.Model):
+    label =  models.CharField(_("Label"), help_text=_("Label du multi-puit"), max_length=100, null=True, blank=True)
+    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="Auteur", null=True, blank=True)
+    position = models.CharField(_("Position"), help_text=_('Position du multi-puits sur la table'), unique=True, max_length=8, choices=MULTIWELL_POSITION, null=True, blank=False)
+    
+    cols = models.PositiveSmallIntegerField(_("Colonnes"), help_text=_('Nombre de colonnes'), blank=False, default=6)
+    rows = models.PositiveSmallIntegerField(_("Lignes"), help_text=_('Nombre de lignes'), blank=False, default=4)    
+    row_def = models.CharField(_("Définition"), help_text=_('Définition des lignes'), max_length=16, null=True, blank=False, default="A,B,C,D")
+    row_order = models.CharField(_("Ordre"), help_text=_('Ordre de lecture en serpentin'), max_length=16, null=True, blank=False, default="D,C,B,A")
+
+    order = models.PositiveSmallIntegerField(_("Ordre"), help_text=_('Ordre de lecture du multi-puit'), blank=False, default=0)
+    duration = models.PositiveIntegerField(_("Durée"), help_text=_('Durée du film en secondes'), blank=False, default=120)
+    xbase = models.FloatField(_("Origine X"), help_text=_('Base origine X en mm'), blank=False, default=50.0)
+    ybase = models.FloatField(_("Origine Y"), help_text=_('Base origine Y en mm'), blank=False, default=50.0)
+
+    dx = models.FloatField(_("Pas X"), help_text=_('Pas ou interval sur X en mm'), blank=False, default=19.5)
+    dy = models.FloatField(_("Pas Y"), help_text=_('Pas ou interval sur Y en mm'), blank=False, default=19.5)
+    feed = models.PositiveIntegerField(_("Vitesse"), help_text=_('Vitesse déplacement en mm/mn '), blank=False, default=1000)
+    active = models.BooleanField(_("Active"), default=True)
+
+    def config(self):
+        return dict(
+            cols=self.cols,
+            rows=self.rows,
+            row_def=self.row_def,
+            row_order=self.row_order,
+            dx=self.dx,
+            dy=self.dy,
+            duration=self.duration,
+            feed=self.feed,
+            xbase=self.xbase,
+            ybase=self.ybase,
+        )
+        return {}
+
+    @classmethod
+    def config_by_position(cls, position):
+        qs = MultiWell.objects.filter(position__exact=position).values()
+        if qs:
+            return dict(qs[0])
+        return {}
+
+    @classmethod
+    def by_position(cls, position):
+        return MultiWell.objects.filter(position__exact=position).first()
+
+    @classmethod
+    def all(cls):
+        return MultiWell.objects.filter(active=True).all()
+
+    class Meta:
+        ordering = ['order', ]
+        verbose_name = _("Multi-puits")
+        verbose_name_plural = _("Multi-puits")
+
+
+    def __str__(self):
+        return f'{self.position}: {self.label}'
+
+class Observation(models.Model):
+    title = models.CharField(_("Titre de l'observation"), max_length=100, null=True, blank=False)
+    comment =  models.TextField(_("Commentaires"), help_text=_("Descriptions de l'observations"), null=True, blank=True)
+    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="Auteur", null=True, blank=True)
+    multiwell = models.ForeignKey(MultiWell, verbose_name=_("Multi-puits"), on_delete=models.SET_NULL, null=True, blank=True)
+    created = models.DateTimeField(_("Date de création"), default=timezone.now)
+    started = models.DateTimeField (_("Date de début"), null=True, blank=True)
+    finished = models.DateTimeField (_("Date de fin"), null=True, blank=True)
+
+    class Meta:
+        ordering = ['-created', ]
+        verbose_name = _("Observation")
+        verbose_name_plural = _("Observations")
+
+    def __str__(self):
+        return f'{self.title}: {self.created} {self.multiwell.order}'
+
+class ObservationMultiWellDetail(models.Model):
+    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="Auteur", null=True, blank=True)
+    observation = models.ForeignKey(Observation, on_delete=models.CASCADE, related_name="multiwell_details" , null=True, blank=True)
+    well = models.ForeignKey(Well, verbose_name="Puit", on_delete=models.CASCADE, related_name="observation_details", null=True, blank=True )
+    detail = models.CharField("Détail", max_length=255)
+    comment = models.TextField("Commentaire", blank=True)
+
+    class Meta:
+        ordering = ['observation', 'well__name']
+        unique_together = ["observation", "well"]
+        verbose_name = _("Observation multi-puits détail")
+        verbose_name_plural = _("Observations multi-puits détails")
+
+    def __str__(self):
+        return f"{self.observation.title} - {self.well} - {self.detail}"
+
+
+class Session(models.Model):
+    
+    class Status(models.TextChoices):
+        PENDING   = "pending",   _("En attente")
+        RUNNING   = "running",   _("En cours")
+        DONE      = "done",      _("Terminé")
+        ERROR     = "error",     _("Erreur")    
+    
+    name = models.CharField(_("Nom de la session"), help_text=_("Session d'observations. 4 Multi-puits maximum"), max_length=100, null=True, blank=False)
+    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="Auteur", null=True, blank=True)
+    active = models.BooleanField(_("Active"), default=True)
+    expected_export  = models.DateTimeField(_("Date d'exportation"), help_text=_("Date d'exportation prévue"), null=True, blank=True)
+    expected_scanning  = models.DateTimeField(_("Date du balayage"), help_text=_("Date du balayage prévue"), null=True, blank=True)    
+    
+    created = models.DateTimeField(_("Date de création"), default=timezone.now)
+    finished = models.DateTimeField (_("Date de fin"), null=True, blank=True)
+    
+    export_status = models.CharField(_("Status exportation"), max_length=16, choices=Status.choices, default=Status.PENDING)
+    export_task = models.OneToOneField(
+        "django_celery_beat.PeriodicTask", 
+        verbose_name=_("Export médias"),
+        help_text=_("Programmation de l'exportation des vidéos et images"),
+        null=True, blank=True, on_delete=models.SET_NULL, related_name="export_session")
+    export_exported_at = models.DateTimeField(_("Exportation terminée à"), null=True, blank=True)
+    
+    scanning_status = models.CharField(_("Status scanning"), max_length=16, choices=Status.choices, default=Status.PENDING)
+    scanning_task = models.OneToOneField(
+        "django_celery_beat.PeriodicTask", 
+        verbose_name=_("Lancer le balayage"),
+        help_text=_("Programmation du lancement du balayage"),
+        null=True, blank=True, on_delete=models.SET_NULL, related_name="scanning_session")
+    scanning_finished_at = models.DateTimeField(_("Balayage terminé à"), null=True, blank=True)    
+    
+
+    class Meta:
+        ordering = ['-created', ]
+        verbose_name = _("Session d'observation")
+        verbose_name_plural = _("Sessions d'observation")
+
+    def __str__(self):
+        state = _("Terminée") if not self.active else _("Active")
+        return f'{self.name}: {state}'
+    
+
+@receiver(post_save, sender=Session)
+def create_periodic_task(sender, instance, created, **kwargs):
+    """
+    Crée automatiquement une PeriodicTask à la création d'une session.
+    La tâche est one-shot : elle se désactive après exécution (one_off=True).
+    """
+    if instance.expected_export:
+        try:
+            clocked, _ = ClockedSchedule.objects.get_or_create(clocked_time=instance.expected_export)
+            export_task = PeriodicTask.objects.create(
+                name        = f"export_session_{instance.id}",
+                task        = "scanner.tasks.run_session_exports",
+                clocked     = clocked,
+                one_off     = True,          # se désactive après la première exécution
+                enabled     = True,
+                last_run_at = None,          # force Celery Beat à ne pas la considérer déjà exécutée
+                start_time  = None,          # pas de contrainte de démarrage
+                kwargs      = json.dumps({   # paramètres passés à la tâche
+                    "session_id": str(instance.id),
+                }),
+                description = f"Export expected at {instance.expected_export} — {instance.name}",
+            )
+            # Sauvegarde sans re-déclencher le signal
+            Session.objects.filter(pk=instance.pk).update(export_task=export_task)
+        except:
+            pass
+        
+    if instance.expected_export:
+        try:
+            clocked, _ = ClockedSchedule.objects.get_or_create(clocked_time=instance.expected_scanning)
+            scanning_task = PeriodicTask.objects.create(
+                name        = f"scanning_session_{instance.id}",
+                task        = "scanner.tasks.run_scanning",
+                clocked     = clocked,
+                one_off     = True,          # se désactive après la première exécution
+                enabled     = True,
+                last_run_at = None,          # force Celery Beat à ne pas la considérer déjà exécutée
+                start_time  = None,          # pas de contrainte de démarrage
+                kwargs      = json.dumps({   # paramètres passés à la tâche
+                    "session_id": str(instance.id),
+                }),
+                description = f"Scanning expected at {instance.expected_scanning} — {instance.name}",
+            )
+            # Sauvegarde sans re-déclencher le signal
+            Session.objects.filter(pk=instance.pk).update(scanning_task=scanning_task)
+        except:
+            pass
+
+@receiver(post_delete, sender=Session)
+def delete_periodic_task(sender, instance, **kwargs):
+    """
+    Supprime la PeriodicTask associée quand la session est supprimée.
+    """
+    if instance.export_task:
+        instance.export_task.delete()
+    if instance.scanning_task:
+        instance.scanning_task.delete()       
+    
+class SessionObservation(models.Model):
+    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="Auteur", null=True, blank=True)
+    session = models.ForeignKey(Session, verbose_name=_("Session"), on_delete=models.SET_NULL, null=True, blank=True)
+    observation = models.ForeignKey(Observation, verbose_name=_("Observation"), on_delete=models.SET_NULL, null=True, blank=True)
+
+    @classmethod
+    def observation_by_session(cls, session_id, active=True):
+        return [ ss.observation for ss in SessionObservation.objects.filter(session__id=session_id, session__active=active).order_by('observation__multiwell__order') ]
+    
+    @classmethod
+    def uuid_from_session(cls, sid):
+        observations = [ss.observation for ss in SessionObservation.objects.filter(session__id=sid, session__active=False)]
+        uuid_list = []
+        for obs in observations:
+            row_def = obs.multiwell.row_def.split(',')
+            for row in range(obs.multiwell.rows):
+                for col in range(obs.multiwell.cols):
+                    uuid = f'{sid}-{obs.multiwell.position}-{row_def[row]}{col+1}'
+                    uuid_list.append(uuid)
+        return uuid_list
+
+    class Meta:
+        ordering = ['session',]
+        unique_together = ["session", "observation"]
+        verbose_name = _("Session observations")
+        verbose_name_plural = _("Sessions observations")
+
+    def __str__(self):
+        return f'{self.session.name}'
+
+

test_tube_scanner/scanner/process.py

@@ -0,0 +1,812 @@
+#
+# process.py
+import os
+os.environ['OPENCV_LOG_LEVEL']="0"
+os.environ['OPENCV_FFMPEG_LOGLEVEL']="0"
+import cv2
+from django.utils.translation import gettext_lazy as _
+from datetime import datetime
+import time, asyncio, bisect
+import json, base64
+from threading import Thread, Event, Lock
+from queue import Queue
+from asgiref.sync import async_to_sync  #, sync_to_async
+from channels.layers import get_channel_layer
+
+from django.utils import timezone
+from django.conf import settings
+
+from celery import Task
+from celery.exceptions import Ignore
+from celery.utils.log import get_task_logger
+from redis import Redis
+from dataclasses import dataclass
+from modules import reductstore, grbl, utils
+
+## camera devices
+from modules.circular_crop import CircularCrop, CropStrategy
+from . import models
+
+@dataclass
+class ProcTag:
+    play: bool = True
+    record: bool = False
+    uuid: str = None
+    session: int = 0
+
+logger = get_task_logger(__name__)
+redisDB = Redis(host=settings.REDIS_HOST, port=settings.REDIS_PORT, db=0, decode_responses=True)
+cameraDB = reductstore.ReductStore(name='camera')
+
+
+class CameraRecordManager():
+
+    def __init__(self, clienDB):
+        self.clienDB = clienDB
+        self.is_image = False
+        self.oldest_ts = None
+        self.latest_ts = None
+
+    async def size(self, uuid, start_ts, end_ts):
+        try:
+            queries = self.query(uuid, start_ts, end_ts)
+            total_size = 0
+            record_number = 0
+            latest = None
+            async for record in queries:
+                if not record_number:
+                    self.oldest_ts = record.timestamp
+
+                frame_bytes = await record.read_all()
+                total_size += len(frame_bytes)
+                record_number += 1
+                latest = record.timestamp
+            self.latest_ts = latest
+
+            return total_size
+        except:
+            return None
+
+    def black_jpg(self):
+        frame = cv2.imread(settings.MEDIA_ROOT / 'images' / 'black-screen.jpg', cv2.IMREAD_UNCHANGED)
+        _, frame = cv2.imencode('.jpg', frame)
+        black_jpg = frame.tobytes()
+        return f'data:image/jpeg;base64,{base64.b64encode(black_jpg).decode()}'
+
+    def set_filters(self, session=None, test=None):
+        filters = []
+        if session:
+            filters.append({"&session": { "$eq": session} })
+        if test==True:
+            filters.append({"&test": { "$contains": "True"} })
+
+        when = {"$and": filters}
+        return when
+
+    async def record_content(self, query):
+        record = await anext(query)
+        content = await record.read_all()
+        return record, content
+
+    def query(self, uuid, start=None, stop=None, filters=None):
+        try:
+            return self.clienDB.query(uuid, start, stop, when=filters, ttl=3600)
+        except Exception as e:
+            logger.error(f"CameraRecordManager query: {e}")
+
+    def first_image(self, uuid, start=None, stop=None, filters=None):
+        try:
+            query = self.query(uuid, start, stop, filters=filters)
+            record, content = async_to_sync(self.record_content)(query)
+            self.is_image = True
+            return f'data:image/jpeg;base64,{base64.b64encode(content).decode()}', record.timestamp
+
+        except Exception as e:  # @UnusedVariable
+            pass
+            #logger.error(f"CameraRecordManager first_image: {e}")
+        self.is_image = False
+        return self.black_jpg(), start
+
+    def write(self, uuid, frame, labels, ts=None):
+        try:
+            if ts is None:
+                ts = timezone.now()
+            async_to_sync(self.clienDB.write)(
+                uuid,
+                frame,
+                timestamp=ts,
+                labels=labels,
+                content_type='application/octet-stream',
+            )
+        except Exception as e:
+            logger.error(f"CameraRecordManager write: {e}")
+
+
+    async def remove_uuid(self, uuid, start=None, stop=None, when=None):
+        try:
+            await self.clienDB.remove_query(uuid, start, stop, when=when)
+        except Exception as e:
+            logger.error(f"CameraRecordManager remove: {e}")
+
+    def remove(self, uuid, start=None, stop=None, when=None):
+        asyncio.run(self.remove_uuid(uuid, start, stop, when=when))
+
+
+class MultiWellManager:
+
+    def __init__(self, position, feed=None, step=None, proc=None):       
+        self.set_multiwell(position)
+        self._feed = feed
+        self._step = step
+        self.proc = proc
+        self.scanner = None
+
+    def set_multiwell(self, position):
+        self._position = position
+        self.well = models.MultiWell.by_position(position)
+        self._xbase = self.well.xbase
+        self._ybase = self.well.ybase       
+        self._dx = self.well.dx
+        self._dy = self.well.dy
+        
+    def _start_test(self):
+        self.scanner.start()
+
+    def _start(self, machine, session, observations):
+        xynext = []
+        for obs in observations:
+            xynext.append((obs.multiwell.xbase, obs.multiwell.ybase))
+        xynext.append((0, 0))
+
+        pos = 1
+        self.proc.session = session.id
+        started = timezone.now()
+        for obs in observations:
+            conf = obs.multiwell.config()
+            self.scanner = grbl.GridScanner(machine, proc=self.proc, **conf)
+            obs.started = timezone.now()
+            obs.save()
+
+            xnext, ynext = xynext[pos]
+            pos +=1
+            self.scanner.start(xnext=xnext, ynext=ynext, position=obs.multiwell.position)
+
+            obs.finished = timezone.now()
+            obs.save()
+        session.finished = timezone.now()
+        session.active = False
+        session.save()
+        logger.info(f"==== Session {session.name} terminée à {session.finished} après {session.finished - started} secondes.")
+
+
+    def scan_test(self, machine, duration=5.0):
+        conf =  self.well.config()
+        conf['duration'] = duration
+        conf['feed'] = self.feed
+        conf['xnext'] = self._xbase
+        conf['ynext'] = self._ybase
+
+        self.proc.session = 0
+        self.scanner = grbl.GridScanner(machine, proc=self.proc, **conf)
+        Thread(target=self._start_test, daemon=True).start()
+
+    def scan(self, machine, sid):
+        try:
+            session = models.Session.objects.get(pk=sid)
+            observations = models.SessionObservation.observation_by_session(sid)
+            Thread(target=self._start, args=(machine, session, observations, ), daemon=True).start()
+        except Exception as e:
+            print("MultiWellManager::scan error", e)
+
+    def halt(self):
+        if self.scanner:
+            self.scanner.halt()
+
+    @property
+    def position(self):
+        return self._position
+
+    @position.setter
+    def position(self, value):
+        self._position = value
+
+    @property
+    def step(self):
+        return self._step
+
+    @step.setter
+    def step(self, value):
+        self._step = value
+
+    @property
+    def feed(self):
+        return self._feed
+
+    @feed.setter
+    def feed(self, value):
+        self._feed = value
+
+    @property
+    def xbase(self):
+        return self._xbase
+
+    @xbase.setter
+    def xbase(self, value):
+        self._xbase = value
+
+    @property
+    def ybase(self):
+        return self._ybase
+
+    @ybase.setter
+    def ybase(self, value):
+        self._ybase = value
+
+    @property
+    def dx(self):
+        return self._dx
+
+    @dx.setter
+    def dx(self, value):
+        self._dx = value
+
+    @property
+    def dy(self):
+        return self._dy
+
+    @dy.setter
+    def dy(self, value):
+        self._dy = value
+
+    def set_xy_step(self):
+        models.MultiWell.objects.filter(position__exact=self.position).update(dx=self.dx, dy=self.dy)
+
+    def set_position(self, machine):
+        x, y = machine.get_mpos()
+        machine.wait_for(2.0)
+        models.MultiWell.objects.filter(position__exact=self.position).update(xbase=x, ybase=y)
+        self._xbase, self._ybase = x, y
+
+
+class ScannerProcess(Task):
+    '''
+    video_quality = settings.VIDEO_JPG_QUALITY
+    image_quality = settings.IMAGE_JPG_QUALITY
+    video_fps = settings.VIDEO_FPS
+    video_width = settings.VIDEO_WIDTH
+    video_height = settings.VIDEO_HEIGHT
+
+    crop_radius = settings.CALIBRATION_CROP_RADIUS
+    default_multiwell = settings.CALIBRATION_DEFAULT_MULTIWELL
+    default_feed = settings.CALIBRATION_DEFAULT_FEED
+    default_step = settings.CALIBRATION_DEFAULT_STEP'''
+
+    def __init__(self):
+        super().__init__()
+        self.channel_layer = get_channel_layer()
+        self.group = f'scanner_proc'
+        self.stop_event = Event()
+        self.cam = None
+        self.grbl = None
+        self.crop = None
+        self.multiwel = None
+        self.conf = None
+        self.record_queue = Queue()
+        self.proc = ProcTag()
+        self.manager = None
+        self.recordDB = CameraRecordManager(cameraDB)
+
+    def __call__(self, *args, **kwargs):
+        return self.start(*args, **kwargs)
+    
+    def set_crop_radius(self, radius):
+        return CircularCrop(radius=radius, strategy=CropStrategy.CROP_JPEG, jpeg_quality=self.image_quality)
+
+    def start(self, *args, **kwargs):
+        try:
+            self.conf = models.Configuration.objects.filter(active=True).first()
+            
+            self.video_quality = self.conf.video_jpeg_quality
+            self.image_quality = self.conf.image_quality
+            self.video_fps = self.conf.video_frame_rate
+            self.video_width = self.conf.video_width_capture
+            self.video_height = self.conf.video_height_capture    
+            
+            self.crop_radius = self.conf.calibration_crop_radius
+            self.default_multiwell = self.conf.calibration_default_multiwell
+            self.default_feed = self.conf.calibration_default_feed
+            self.default_step = self.conf.calibration_default_step
+            
+            self.video_jpg_quality = [int(cv2.IMWRITE_JPEG_QUALITY), self.video_quality]
+            self.image_jpg_quality = [int(cv2.IMWRITE_JPEG_QUALITY), self.image_quality]
+            self.grbl_xmax = self.conf.grbl_xmax
+            self.grbl_ymax = self.conf.grbl_ymax
+                    
+            #self.crop = CircularCrop(radius=self.crop_radius, strategy=CropStrategy.CROP_JPEG, jpeg_quality=self.image_quality)
+            self.crop = self.set_crop_radius(self.crop_radius)
+            if not self.conf.use_rpicam:
+                from modules.webcam_capture import WebcamCapture
+                self.cam = WebcamCapture(
+                    device_index=self.conf.webcam_device_index,
+                    fps=self.video_fps,
+                    width=self.video_width,
+                    height=self.video_height,
+                    jpeg_quality=self.video_quality,
+                )
+            else:
+                from modules.picamera2_capture import PiCamera2Capture
+                self.cam = PiCamera2Capture(
+                    fps=self.video_fps,
+                    width=self.video_width,
+                    height=self.video_height,
+                    jpeg_quality=self.video_quality,
+                )
+            self.cam.set_frame_callback(self._on_frame)
+            self.cam.set_median(False)
+            self.cam.set_circular_crop(None)
+            self.stop_event.clear()
+            self.start_services()
+        except Exception as e:
+            logger.error(f"Scanner started error: {e}")
+            raise Ignore()
+
+    def stop(self):
+        try:
+            info = 'Scanner stopped'
+            self._send(state='stop', msg=info)
+            self.stop_event.set()
+            self.cam.stop()
+            logger.info(info)
+            Event().wait(1.0)
+        finally:
+            self.stop_event.set()
+
+    def start_services(self):
+        Thread(target=self._listen_to_redis, daemon=True).start()
+        Thread(target=self._recording, daemon=True).start()
+        self.cam.start()
+
+    def _send(self, **payload):
+        async_to_sync(self.channel_layer.group_send)(
+            self.group, {
+                "type": 'scanner.message',
+                "text": payload
+            }
+        )
+
+    def _display(self, **msg):
+        if self.grbl:
+            self._send(**msg)
+
+    def _on_frame(self, jpeg_bytes: bytes, ts: datetime) -> None:
+        if self.proc.record:
+            # record images
+            self.record_queue.put((self.proc.uuid, ts, jpeg_bytes))
+        if self.proc.play:
+            # play image
+            self._send(ts=ts.timestamp(), jpeg=base64.b64encode(jpeg_bytes).decode(), )
+
+    def _recording(self):
+        logger.info(f"Scanner {self.group}: start recorder")
+        while not self.stop_event.is_set():
+            try:
+                (uuid, ts, frame) = self.record_queue.get()
+                labels = dict(fps=self.video_fps, session=self.proc.session)
+                self.recordDB.write(uuid, frame, labels, ts=ts)
+                self.record_queue.task_done()
+            except Exception as e:
+                logger.error(f'recorder: {e}')
+
+    def _init_grbl(self, feed=1000):
+        self.grbl = grbl.GRBLController(
+            send_callback=self._display, 
+            x_max=self.conf.grbl_xmax, 
+            y_max=self.conf.grbl_ymax
+        )
+        self.grbl.go_origin(feed=feed)
+        self.grbl.wait_for(2.0)
+
+    def _listen_to_redis(self):
+        try:
+            logger.info(f"==== Scanner {self.group}: listen via redisDB")
+            pubsub = redisDB.pubsub()
+            pubsub.subscribe(self.group)
+            self._init_grbl()
+
+            self.manager = MultiWellManager(
+                self.default_multiwell,
+                feed=self.default_feed,
+                step=self.default_step,
+                proc=self.proc
+            )
+            
+            for message in pubsub.listen():
+                try:
+                    #logger.info(f"{message}")
+                    if self.stop_event.is_set():
+                        break
+
+                    cmd = json.loads(str(message.get('data')))
+                    logger.info(f"{cmd}")
+
+                    if not isinstance(cmd, dict):
+                        continue
+
+                    self._send(state=cmd["type"], msg=f"Cmd: {cmd.get('topic')} {cmd.get('value', '')}")                   
+                    if cmd["type"]=="scanner":
+                        topic = cmd.get("topic")
+                        if topic == 'init':
+                            self.cam.set_circular_crop(self.crop)
+                            self.cam.set_median(is_median=False)
+                            self.grbl.go_origin(feed=self.manager.feed)
+
+                        elif topic == 'scan':
+                            sid = cmd.get("session", '0')
+                            if sid == "0":
+                                self._send(state='error', msg=str(_('La session est nulle!...')))
+                            else:
+                                self.cam.set_median(is_median=False)
+                                self.manager.scan(self.grbl, sid)
+
+                    elif cmd["type"]=="calibrate":
+                        topic = cmd.get("topic")
+                        value = cmd.get("value")
+
+                        if topic == 'init':
+                            self.manager.feed = int(cmd.get("feed", self.default_feed))
+                            self.manager.step = float(cmd.get("step", self.default_step))
+                            position = cmd.get("position", self.default_multiwell)
+                            if self.manager.position != position:
+                                self.manager.set_multiwell(position)                                
+                                self.cam.set_circular_crop(None)
+                                self.cam.set_median(is_median=False)
+                        elif topic == 'up':
+                            self.grbl.move_relative(dy=self.manager.step, feed=self.manager.feed)
+                        elif topic == 'down':
+                            self.grbl.move_relative(dy=-self.manager.step, feed=self.manager.feed)
+                        elif topic == 'right':
+                            self.grbl.move_relative(dx=self.manager.step, feed=self.manager.feed)
+                        elif topic == 'left':
+                            self.grbl.move_relative(dx=-self.manager.step, feed=self.manager.feed)
+                        elif topic == 'median':
+                            self.cam.set_median(is_median=value)
+                        elif topic == 'crop':
+                            self.cam.set_circular_crop(self.crop) if value else self.cam.set_circular_crop(None)
+                            continue
+                        elif topic == 'crop_radius':
+                            self.conf.calibration_crop_radius=int(value)
+                            self.crop = self.set_crop_radius(self.conf.calibration_crop_radius)
+                            self.conf.save()
+                            self.cam.set_circular_crop(self.crop)
+                            continue                        
+                        elif topic == 'position':
+                            self.manager.set_multiwell(value)
+                        elif topic == 'step':
+                            self.manager.step = float(value)
+                        elif topic == 'feed':
+                            self.manager.feed = int(value)
+                        elif topic == 'goto_0':
+                            self.grbl.go_origin(feed=self.manager.feed)
+                        elif topic == 'goto_xy':
+                            self.grbl.move_to(self.manager.xbase, self.manager.ybase, feed=self.manager.feed)
+                        elif topic == 'xy_base':
+                            self.manager.set_position(self.grbl)
+                        elif topic == 'dx':
+                            self.manager.dx = float(value)
+                        elif topic == 'dy':
+                            self.manager.dy = float(value)
+                        elif topic == 'xy_step':
+                            self.manager.set_xy_step()
+                        elif topic == 'test':
+                            self.manager.scan_test(self.grbl)
+                            continue
+                        elif topic == 'halt':
+                            self.manager.halt()
+                            continue
+
+                        self._send(
+                            xbase=self.manager.xbase, 
+                            ybase=self.manager.ybase, 
+                            x=self.grbl.x, 
+                            y=self.grbl.y, 
+                            xy=True, 
+                            dxy=True, 
+                            dx=self.manager.dx, 
+                            dy=self.manager.dy
+                        )
+
+                except Exception as e:
+                    logger.error(f'scanner listen_to_redis: {e}')
+        finally:
+            pubsub.unsubscribe()
+            pubsub.close()
+
+
+#=================================================================
+#
+#    REPLAY Buffer glissant
+#
+#    temps réel replay →
+#    |---- préchargé ----|---- en lecture ----|---- à venir ----|
+#            -2s                  t                  +3s
+#    max_seconds:
+#        3s → faible latence, faible RAM
+#        10s → seek ultra fluide
+#=================================================================
+
+class ReplayBuffer:
+    def __init__(self, max_seconds=5.0):
+        self.max_seconds = max_seconds
+        self.frames = {}          # ts → bytes
+        self.timestamps = []      # triée
+        self.lock = Lock()
+
+    def push(self, ts, frame):
+        with self.lock:
+            if ts in self.frames:
+                return
+            bisect.insort(self.timestamps, ts)
+            self.frames[ts] = frame
+            self._cleanup(ts)
+
+    def get_nearest(self, ts_us: int):
+        try:
+            with self.lock:
+                if not self.timestamps:
+                    return None
+                idx = bisect.bisect_right(self.timestamps, ts_us) - 1
+                if idx < 0:
+                    idx = 0
+                nearest_ts = self.timestamps[idx]
+                return nearest_ts, self.frames[nearest_ts]
+        except Exception as e:  # @UnusedVariable
+            pass
+            #logger.error(f"{e}")
+        return None
+
+    def clear(self):
+        with self.lock:
+            self.frames.clear()
+            self.timestamps.clear()
+
+
+    def _cleanup(self, current_ts):
+        # supprime les frames trop anciennes
+        limit = current_ts - self.max_seconds
+        while self.timestamps and self.timestamps[0] < limit:
+            ts = self.timestamps.pop(0)
+            del self.frames[ts]
+
+
+class ReplayClock:
+    def __init__(self, uuid, start_ts, stop_ts, fps=5.0, speed=1.0):
+        self.uuid = uuid
+        self.start_ts = start_ts
+        self.stop_ts = stop_ts
+        self.ts = start_ts
+        self.fps = fps
+        self.speed = speed
+        self.paused = False
+        self._seek_ts = None
+        self._last_tick = time.monotonic()
+        self.lock = Lock()
+        self.delta = self.stop_ts - self.start_ts
+
+    def tick(self):
+        with self.lock:
+            now = time.monotonic()
+            dt_sec = now - self._last_tick
+            self._last_tick = now
+            delta_us = int(dt_sec * 1_000_000 * self.speed)
+            self.ts += delta_us
+            if self.ts >= self.stop_ts:
+                self.paused = True
+                return None
+            return self.ts
+
+    def sleep_duration(self) -> float:
+        with self.lock:
+            frame_us = int(1_000_000 / self.fps)
+            return max((frame_us / self.speed) / 1_000_000, 0.001)
+
+    def play(self):
+        with self.lock:
+            self.paused = False
+
+    def pause(self):
+        with self.lock:
+            self.paused = True
+
+    def stop(self):
+        with self.lock:
+            self.paused = True
+            self.ts = self.start_ts
+            return self.ts
+
+    def set_speed(self, speed):
+        with self.lock:
+            self.speed = max(0.1, speed)
+
+    def seek(self, k):
+        with self.lock:
+            self._seek_ts = int( self.start_ts + (k * self.delta) )
+
+    def consume_seek(self):
+        with self.lock:
+            ts = self._seek_ts
+            self._seek_ts = None
+            return ts
+        return None
+
+    def progress(self, ts: int) -> float:
+        ptx =  (ts - self.start_ts) / self.delta
+        return round( max(0.0, min(1.0, ptx)), 6)
+
+
+class ReplayProcess(Task):
+
+    def __init__(self, latency=5.0):
+        super().__init__()
+        self.channel_layer = get_channel_layer()
+        self.latency = latency
+        self.group = f'replay_proc'
+        self.recordDB = cameraDB
+        self.stop_event = Event()
+        self.clock = None
+        self.query = None
+        self.running = asyncio.Event()
+
+
+    def __call__(self, uuid, *args, **kwargs):
+        return self.start(*args, **kwargs)
+
+
+    def start(self, *args, **kwargs):
+        try:
+            self.stop_event.clear()
+            Thread(target=self._listen_to_redis, daemon=True).start()
+        except Exception as e:
+            logger.error(f"Replay error: {e}")
+            raise Ignore()
+
+    def stop(self):
+        self.stop_event.set()
+        logger.info(f"==== ReplayProcess stopped.")
+
+    def _listen_to_redis(self):
+        try:
+            loop = None
+            logger.info(f"==== ReplayProcess {self.group}: listen via redisDB")
+            pubsub = redisDB.pubsub()
+            pubsub.subscribe(self.group)
+
+            for message in pubsub.listen():
+                try:
+                    if self.stop_event.is_set():
+                        break
+
+                    cmd = json.loads(str(message.get('data')))
+                    logger.info(f"{cmd}")
+
+                    if not isinstance(cmd, dict):
+                        continue
+
+                    if cmd["type"] == "replay":
+                        action = cmd["action"]
+                        if action in ["init", "play"]:
+                            uuid = cmd.get("uuid")
+                            start_ts, stop_ts = int(cmd.get('dt_start')), int(cmd.get('dt_stop'))
+
+                            fps, speed = float(cmd.get('fps', 5.0)), int(cmd.get('speed'))
+                            self.clock = ReplayClock(uuid, start_ts, stop_ts, fps, speed)
+                            if action == "init":
+                                if loop:
+                                    utils.stop_async(loop)
+                                    loop = None
+                            elif action == "play":
+                                if not loop:
+                                    loop = utils.start_async()
+                                    utils.submit_async(loop, self._replay())
+                                self.clock.play()
+
+                        elif action == 'stop':
+                            self.running.set()
+                            if loop:
+                                utils.stop_async(loop)
+                            loop = None
+                            ts = self.clock.stop()
+                            async_to_sync(self._send_message)('video-reset', dt_start=ts, percent=0.0)
+
+                        elif action == 'pause':
+                            self.clock.pause()
+
+                        elif action == 'speed':
+                            self.clock.set_speed(cmd.get("value"))
+
+                        elif action == 'seek':
+                            k = float(cmd.get("value"))
+                            self.clock.seek(k)
+
+                except Exception as e:
+                    logger.error(f'ReplayProcess::listen_to_redis: {e}')
+        finally:
+            self.running.set()
+            utils.stop_async(loop)
+            pubsub.unsubscribe()
+            pubsub.close()
+
+    async def _send(self, payload):
+        await self.channel_layer.group_send(self.group, {"type": 'replay.message', "text": payload  })
+
+    async def _send_message(self, motif,  **msg):
+        payload = {
+            'uuid': self.clock.uuid,
+            'motif': motif,
+            **msg
+        }
+        await self._send(payload)
+
+    async def _send_frame(self,  ts, jpg_bytes):
+        payload = {
+            'uuid': self.clock.uuid,
+            "ts": ts,
+            "progress": self.clock.progress(ts),
+            "jpeg": base64.b64encode(jpg_bytes).decode()
+        }
+        await self._send(payload)
+
+    def _create_query(self, clock):
+        return self.recordDB.query(clock.uuid, start=clock.ts, stop=clock.stop_ts )
+
+    async def _replay(self):
+        try:
+            self.running.clear()
+            query = self._create_query(self.clock)
+            self.buffer = ReplayBuffer(max_seconds=self.latency)
+            while not self.running.is_set():
+                try:
+                    # ---- seek ? ----
+                    seek_ts = self.clock.consume_seek()
+                    if seek_ts is not None:
+                        self.clock.ts = seek_ts
+                        query = self._create_query(self.clock)
+                        await asyncio.sleep(0.01)
+                        continue
+
+                    # ---- pause ----
+                    if self.clock.paused:
+                        await asyncio.sleep(0.5)
+                        continue
+
+                    # ---- frame ----
+                    record = await anext(query)
+                    frame = await record.read_all()
+
+                    self.buffer.push(record.timestamp, frame)
+                    if record.timestamp < self.clock.ts + self.buffer.max_seconds:
+                        continue
+
+                    # ---- get frame ----
+                    nearest = self.buffer.get_nearest(self.clock.ts)
+                    if nearest is None:
+                        await asyncio.sleep(0.01)
+                        continue
+
+                    # ---- emit jpg ----
+                    frame_ts, jpg = nearest
+                    await self._send_frame(frame_ts, jpg)
+
+                    # ---- avance temps ----
+                    self.clock.tick()
+                    await asyncio.sleep(self.clock.sleep_duration())
+
+                except StopAsyncIteration:
+                    self.clock.pause()
+                    self.buffer.clear()
+
+                except Exception as e:
+                    logger.error(f'_replay loop: {e}')
+
+                    await asyncio.sleep(0.5)
+        except Exception as e:
+            logger.error(f"_replay: {e}")

test_tube_scanner/scanner/routing.py

@@ -0,0 +1,13 @@
+#
+# routing.py
+from django.urls import re_path
+from django.conf import settings
+from . import consumers
+
+urla = settings.SCANNER_WEBSOCKET_ROUTE
+urlb = settings.REPLAY_WEBSOCKET_ROUTE
+
+websocket_urlpatterns = [
+    re_path(urla, consumers.ScannerConsumer.as_asgi()),
+    re_path(urlb, consumers.ReplayConsumer.as_asgi()),
+]

test_tube_scanner/scanner/static/scanner/css/calibration.css

@@ -0,0 +1,34 @@
+
+.container {
+  height: 100%;
+  padding: 0.25em;
+  display: grid;
+  grid-template-columns: 180px 1fr 150px;
+  grid-template-rows: 64px 1fr;
+
+  gap: 1em 1em;
+  grid-auto-flow: row;
+  grid-template-areas:
+    "header header header"
+    "move scanner scan"
+}
+.header {
+  align-self: stretch;
+  grid-area: header;
+}
+
+.scanner {
+  justify-self: center;
+  align-self: center;
+  grid-area: scanner;
+}
+
+.scan {
+  padding: 0 0.25em;
+  align-self: start;
+  grid-area: scan;
+}
+.move {
+  align-self: start;
+  grid-area: move;
+}

test_tube_scanner/scanner/static/scanner/css/images.css

@@ -0,0 +1,28 @@
+
+.multiwell_cards {
+  display: grid;
+  /*grid-auto-columns: 1fr;
+  grid-auto-rows: 1fr;*/
+  grid-template-columns: 1fr 1fr;
+  grid-template-rows: 1fr 1fr 1fr;
+  gap: 0.1em;
+  grid-template-areas:
+    ". ."
+    ". ."
+    ". .";
+}
+button.multiwell {
+    padding: 0.15em ;
+}
+
+#image-grid {
+    display: grid;
+    grid-template-columns: repeat(var(--grid-columns, 4), 1fr);
+    gap: 0.5em;
+    width: 100%;
+    height: 100%;
+    padding: 0.5em;
+    justify-items: center;
+    align-items: center;
+
+}

test_tube_scanner/scanner/static/scanner/css/main.css

@@ -0,0 +1,30 @@
+
+
+.container {
+  height: 100%;
+  padding: 0.25em;
+  display: grid;
+  grid-template-columns: 180px 1fr;
+  grid-template-rows: 64px 0.5fr;
+
+  gap: 1em 1em;
+  grid-auto-flow: row;
+  grid-template-areas:
+    "header header"
+    "scan scanner"
+}
+.header {
+  align-self: stretch;
+  grid-area: header;
+}
+
+.scanner {
+  justify-self: center;
+  align-self: center;
+  grid-area: scanner;
+}
+
+.scan {
+  align-self: start;
+  grid-area: scan;
+}

test_tube_scanner/scanner/static/scanner/css/range-slider.css

@@ -0,0 +1,21 @@
+    :root{
+      --track-height:10px;
+      --track-color:#ddd;
+      --range-color:#4aa3ff;
+      --thumb-size:18px;
+      --thumb-color:#fff;
+      --thumb-border:#4aa3ff;
+    }
+
+    .slider-container{ width:100%; max-width:640px; margin:32px auto; }
+    .labels{ display:flex; justify-content:space-between; margin-bottom:12px; font-size:14px; }
+    .range-wrap{ position:relative; height:var(--thumb-size); user-select:none; touch-action:none; }
+    .track{ position:absolute; left:0; right:0; top:50%; transform:translateY(-50%); height:var(--track-height); background:var(--track-color); border-radius:999px; }
+    .range-highlight{ position:absolute; top:50%; transform:translateY(-50%); height:var(--track-height); background:var(--range-color); border-radius:999px; }
+
+    input[type=range]{ -webkit-appearance:none; appearance:none; position:absolute; left:0; right:0; top:0; width:100%; height:100%; background:transparent; pointer-events:none; }
+    input[type=range]::-webkit-slider-thumb{ -webkit-appearance:none; appearance:none; pointer-events:auto; width:var(--thumb-size); height:var(--thumb-size); border-radius:50%; background:var(--thumb-color); border:2px solid var(--thumb-border); box-shadow:0 1px 3px rgba(0,0,0,0.15); cursor:pointer; margin-top: calc((var(--track-height) - var(--thumb-size)) / 2); }
+    input[type=range]::-moz-range-thumb{ pointer-events:auto; width:var(--thumb-size); height:var(--thumb-size); border-radius:50%; background:var(--thumb-color); border:2px solid var(--thumb-border); box-shadow:0 1px 3px rgba(0,0,0,0.15); cursor:pointer; }
+    input[type=range]::-moz-range-track{ background:transparent; border:0; }
+
+    @media (max-width:520px){ .values{ flex-direction:column; align-items:flex-start; } .readable{ min-width:unset; width:100%; } }

test_tube_scanner/scanner/static/scanner/css/replay.css

@@ -0,0 +1,39 @@
+
+.multiwell_cards {
+  display: grid;
+  /*grid-auto-columns: 1fr;
+  grid-auto-rows: 1fr;*/
+  grid-template-columns: 1fr 1fr;
+  grid-template-rows: 1fr 1fr 1fr;
+  gap: 0.1em;
+  grid-template-areas:
+    ". ."
+    ". ."
+    ". .";
+}
+button.multiwell {
+    padding: 0.15em ;
+}
+#replay-grid {
+    display: grid;
+    grid-template-columns: repeat(var(--grid-columns, 1), 1fr);
+    gap: 0.5em;
+    width: 100%;
+    height: 100%;
+    padding: 0.5em;
+    justify-items: center;
+    align-items: center;
+
+}
+
+.replay-slider, .replay-sub-slide, .replay_ts_cursor{
+    width: 100%;
+    flex: 0 0 auto;
+}
+.replay-timeline {
+    width: 100%;
+    background: transparent;
+    display: block;
+}
+
+