export video/image

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

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-05-14 17:29+0200\n"
+"POT-Creation-Date: 2026-05-15 15:08+0200\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"
@@ -80,7 +80,7 @@ msgstr "Prerequisite"
 #: home/templates/docs/doc_database.html:363
 #: home/templates/docs/doc_database.html:366
 #: home/templates/docs/doc_database.html:367
-#: scanner/templates/scanner/base.html:132 scanner/views.py:131
+#: scanner/templates/scanner/base.html:132 scanner/views.py:133
 msgid "Calibration"
 msgstr "Calibration"
 
@@ -409,8 +409,7 @@ msgid "Tester le circuit"
 msgstr "Test circuit"
 
 #: home/templates/docs/doc_calibration.html:420
-msgid ""
+msgid "Vérifier les déplacements en parcourant automatiquement tous les puits."
-"Vérifier les déplacements en parcourant automatiquement tous les puits."
 msgstr "Check movements by automatically browsing all wells."
 
 #: home/templates/docs/doc_calibration.html:431
@@ -803,8 +802,8 @@ msgid ""
 "Sessions, expériences, configurations et import CSV — interface "
 "Administration Django"
 msgstr ""
-"Sessions, experiments, configurations and import CSV — Django Administration"
+"Sessions, experiments, configurations and import CSV — Django Administration "
-" interface"
+"interface"
 
 #: home/templates/docs/doc_experiment.html:32
 #: home/templates/docs/doc_experiment.html:86
@@ -847,8 +846,7 @@ msgstr "CSV import"
 
 #: home/templates/docs/doc_experiment.html:55
 msgid ""
-"C'est l'interface Administration Django qui est chargée de créer les "
+"C'est l'interface Administration Django qui est chargée de créer les données."
-"données."
 msgstr ""
 "The Django Administration interface is responsible for creating the data."
 
@@ -947,8 +945,8 @@ msgstr "Date of export"
 
 #: home/templates/docs/doc_experiment.html:169
 msgid ""
-"Crée une tâche différée pour exporter automatiquement les images et vidéos à"
+"Crée une tâche différée pour exporter automatiquement les images et vidéos à "
-" la date choisie."
+"la date choisie."
 msgstr ""
 "Creates a delayed task to automatically export images and videos to the "
 "selected date."
@@ -996,8 +994,7 @@ msgid "Par défaut, tous les puits sont actifs."
 msgstr "By default, all wells are active."
 
 #: home/templates/docs/doc_experiment.html:255
-msgid ""
+msgid "Il est possible d'ignorer le balayage d'un ou plusieurs puits au choix."
-"Il est possible d'ignorer le balayage d'un ou plusieurs puits au choix."
 msgstr "It is possible to ignore the scanning of one or more wells of choice."
 
 #: home/templates/docs/doc_experiment.html:265
@@ -1630,7 +1627,7 @@ msgstr "Back home"
 msgid "Ensemble d'expériences"
 msgstr "Set of experiments"
 
-#: planarian/templates/planarian/base.html:30
+#: planarian/templates/planarian/base.html:27
 msgid "Exporter les metrics de l'expérience"
 msgstr "Export the metrics of the experience"
 
@@ -2450,6 +2447,14 @@ msgstr "Scanning started..."
 msgid "Erreur lors du démarrage du balayage..."
 msgstr "Error starting scanning..."
 
+#: scanner/tasks.py:21
+msgid "Balayage démarré."
+msgstr "Scanning started..."
+
+#: scanner/tasks.py:27
+msgid "Replay démarré."
+msgstr "Replay started..."
+
 #: scanner/templates/scanner/base.html:5
 msgid "Barre de côté"
 msgstr "Side bar"
@@ -2548,7 +2553,7 @@ msgstr "Creation of experience sessions"
 msgid "Gestions des expériences"
 msgstr "Experience management"
 
-#: scanner/templates/scanner/base.html:137 scanner/views.py:121
+#: scanner/templates/scanner/base.html:137 scanner/views.py:123
 msgid "Balayage multi-puits"
 msgstr "Multi-well sweeping"
 
@@ -2560,7 +2565,7 @@ msgstr "Results"
 msgid "Export CSV des expériences"
 msgstr "CSV export of experiments"
 
-#: scanner/templates/scanner/base.html:146 scanner/views.py:185
+#: scanner/templates/scanner/base.html:146 scanner/views.py:187
 msgid "Gestionnaire d'images"
 msgstr "Image Manager"
 
@@ -2719,22 +2724,34 @@ msgid "Tester le cirduit"
 msgstr "Test for circumference"
 
 #: scanner/templates/scanner/calibration.html:207
-#: scanner/templates/scanner/scanning.html:58
+#: scanner/templates/scanner/scanning.html:59
 msgid "ARRET"
 msgstr "JUDGMENT"
 
-#: scanner/templates/scanner/images.html:30
+#: scanner/templates/scanner/images.html:27
-msgid "Exporter l'ensemble des images"
+msgid "Exporter l'ensemble des images de la session"
-msgstr "Export All Images"
+msgstr "Export All Images for that session"
 
-#: scanner/templates/scanner/images.html:48
+#: scanner/templates/scanner/images.html:45
 msgid "Télécharger"
 msgstr "Download"
 
-#: scanner/templates/scanner/replay.html:32
+#: scanner/templates/scanner/images.html:65
+msgid "Confirmer l'export des images."
+msgstr "Export must be confirmed."
+
+#: scanner/templates/scanner/images.html:66
+msgid "ATTENTION le processus peut être long!"
+msgstr "BEWARE The procedure can be lengthy."
+
+#: scanner/templates/scanner/replay.html:29
 msgid "Exporter l'ensemble des vidéos"
 msgstr "Export all videos"
 
+#: scanner/templates/scanner/replay.html:78
+msgid "Confirmer l'export des vidéos. ATTENTION le processus peut être long!."
+msgstr "Confirm videos exportation. BEWARE the procedure can be lengthy."
+
 #: scanner/templates/scanner/scanning.html:14
 msgid "Choix de la session"
 msgstr "Selection of session"
@@ -2756,26 +2773,26 @@ msgstr "scanning"
 msgid "Simuler"
 msgstr "Simulate"
 
-#: scanner/views.py:109
+#: scanner/views.py:111
 msgid "Documentation"
 msgstr "Documentation"
 
-#: scanner/views.py:230
+#: scanner/views.py:222 scanner/views.py:273
+msgid "Erreur d'exportation"
+msgstr "Export error"
+
+#: scanner/views.py:246
 msgid "Gestionnaire de vidéos"
 msgstr "Video Manager"
 
-#: scanner/views.py:252
+#: scanner/views.py:268
 msgid "Images téléchargées"
 msgstr "Downloaded images"
 
-#: scanner/views.py:255
+#: scanner/views.py:271
 msgid "Vidéos téléchargées"
 msgstr "Videos downloaded"
 
-#: scanner/views.py:257
-msgid "Erreur d'exportation"
-msgstr "Export error"
-
 #: templates/admin/base_site.html:4
 msgid "Django site admin"
 msgstr "Django website admin"

test_tube_scanner/planarian/admin.py

@@ -9,11 +9,11 @@ from .models import ExperimentConfig
 class ExperimentConfigAdmin(admin.ModelAdmin):
     """Admin Django pour les configurations d'expérience."""
     readonly_fields = ('experiment', 'px_per_mm',  'fps', 'well_radius_mm',)
-    list_display  = ("experiment_key", "well", "active", "px_per_mm", "fps",
+    list_display  = ("experiment_key", "well", "active", "planarian_count", "px_per_mm", "fps",
                      "thresh_immobile", "thresh_mobile",
                      "photo_mode", "chemo_strength", "created_at", )
     
-    list_filter   = ("experiment_key", "photo_mode", "tube_axis")
+    list_filter   = ("experiment_key__session_experiments__session", "experiment_key", "photo_mode", "thigmotaxis_wall_dist_mm", "planarian_count")
     search_fields = ("experiment_key", "well_name", "description")
     ordering      = ("-created_at",)
 

test_tube_scanner/planarian/templates/planarian/base.html

@@ -17,10 +17,7 @@
             {% endfor %}
         </select>
         <div class="w3-margin-left w3-margin-bottom">
-            {% for ss in experiments %}
+            {% include "scanner/experiment-inc.html" %} 
-            <input class="" type="radio" name="_expid" value="{{ ss.id }}" {% if ss.id == current_experiment.id %}checked{% endif %} onchange="this.form.submit()" >
-            <label>{{ ss }}</label>
-            {% endfor %}       
         </div>
     </form>
     {% block export_csv %}

test_tube_scanner/scanner/export_tasks.py

@@ -7,7 +7,7 @@ import posix_ipc
 import mmap
 import cv2
 import numpy as np
-from django.http import JsonResponse, HttpResponse
+#from django.http import JsonResponse, HttpResponse
 from django.conf import settings
 from reduct.time import unix_timestamp_to_iso
 
@@ -38,12 +38,7 @@ async def remove_video_by_uuid(uuid, start_ts=None, end_ts=None, when=None):
 
 
 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:        
@@ -79,7 +74,8 @@ async def shm_download_video(uuid, start_ts, end_ts, frame_rate=5, opencv_fourcc
             total += 1
 
         if not frame_sizes:
-            return JsonResponse({'error': 'Aucune frame trouvée'}, status=404)
+            raise Exception("No frame found!")
+            #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)
@@ -97,36 +93,16 @@ async def shm_download_video(uuid, start_ts, end_ts, frame_rate=5, opencv_fourcc
             video.write(frame)
             current_offset += size
             
-            progress_bar(i + 1, total, prefix=f'Progression {uuid}:', suffix='Terminé', length=30)
+            progress_bar(i + 1, total, prefix=f'Progress {uuid}:', suffix='Ended', length=30)
             i+=1                         
-            
         video.release()
 
         # Nettoie la mémoire partagée
         shm.unlink()
             
-        # Vérifier que le fichier existe
+        return { "status": 404, "success": True, "video_path": video_path}        
-        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 {"status": 500, "success": False, "video_path": video_path, "error": str(e)}
-        return JsonResponse({'error': str(e)}, status=500)
 
 # ─────────────────────────────────────────────
 ##
@@ -247,7 +223,7 @@ async def export_images_zip(
             total += 1
 
         if not frame_sizes:
-            return {"status": "error", "message": "Aucune frame trouvée"}
+            return {"status": "error", "message": "No frame found!..."}
 
         # --- Génération du ZIP ---
         max_zip_bytes = max_zip_size_mb * 1024 * 1024 if max_zip_size_mb > 0 else 0
@@ -297,7 +273,7 @@ async def export_images_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)
+                progress_bar(i + 1, total, prefix=f'Progress {uuid}:', suffix='Ended', length=30)
                 i+=1                   
                 current_offset += size
         
@@ -402,7 +378,7 @@ async def export_video_mp4(
             total +=1
 
         if not frame_sizes:
-            return {"status": "error", "message": "Aucune frame trouvée"}
+            return {"status": "error", "message": "No frame found!..."}
 
 
         # --- Génération du MP4 ---
@@ -458,14 +434,14 @@ async def export_video_mp4(
             written += 1
             current_offset += size
 
-            progress_bar(i + 1, total, prefix=f'Progression {uuid}:', suffix='Terminé', length=30)
+            progress_bar(i + 1, total, prefix=f'Progress {uuid}:', suffix='Ended', 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"}
+            return {"status": "error", "message": f"File {opencv_video_type} not created!..."}
         
         ## Copie vers les destinations (local + Samba)
         filename = os.path.basename(video_path)

test_tube_scanner/scanner/models.py

@@ -42,7 +42,7 @@ TUBE_AXIS_TYPE = [
     
 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)
+    author = models.ForeignKey(User, on_delete=models.SET_NULL, 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)
@@ -94,7 +94,7 @@ class Configuration(models.Model):
         return f'{self.name}'
 
 class Well(models.Model):
-    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="Auteur", null=True, blank=True)
+    author = models.ForeignKey(User, on_delete=models.SET_NULL, 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:
@@ -110,7 +110,7 @@ class Well(models.Model):
 class MultiWell(models.Model):
     # Identification
     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)
+    author = models.ForeignKey(User, on_delete=models.SET_NULL, 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)
     default = models.BooleanField(_("Par défaut"), help_text=_('Multi-puit par défaut'), default=False)
     # Configuration   
@@ -175,7 +175,7 @@ class MultiWell(models.Model):
 
 
 class WellPosition(models.Model):
-    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="Auteur", null=True, blank=True)
+    author = models.ForeignKey(User, on_delete=models.SET_NULL, verbose_name="Auteur", null=True, blank=True)
     well = models.ForeignKey(Well, verbose_name=_("Puit"), on_delete=models.SET_NULL, null=True, blank=True)
     multiwell = models.ForeignKey(MultiWell, verbose_name=_("Multi-puits"), on_delete=models.SET_NULL, null=True, blank=True)
     
@@ -239,7 +239,7 @@ class Experiment(models.Model):
     comment =  models.TextField(_("Commentaires"), help_text=_("Descriptions de l'expérience"), null=True, blank=True)
     identifier = models.CharField(_("Identifiant d'expérience"), unique=True, max_length=100, null=True, blank=False )
 
-    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="Auteur", null=True, blank=True)
+    author = models.ForeignKey(User, on_delete=models.SET_NULL, verbose_name="Auteur", null=True, blank=True)
     multiwell = models.ForeignKey(MultiWell, verbose_name=_("Multi-puits"), on_delete=models.SET_NULL, null=True, blank=True)   
     duration = models.PositiveIntegerField(_("Durée"), help_text=_('Durée de la prise de vue en secondes'), blank=False, default=120)
     
@@ -249,7 +249,7 @@ class Experiment(models.Model):
     
     
     def save(self, *args, **kwargs):
-        self.identifier = f'{self.id}-{self.multiwell.position}_{self.created.isoformat()[:19]}'
+        self.identifier = f'{self.multiwell.position}_{self.created.isoformat()[:19]}'
         super().save(*args, **kwargs)
 
 
@@ -264,7 +264,7 @@ class Experiment(models.Model):
         verbose_name_plural = _("Expériences")
 
     def __str__(self):
-        return f'{self.identifier}'
+        return f'{self.identifier} [ {self.title} ]'
 
 
 class Session(models.Model):
@@ -276,7 +276,7 @@ class Session(models.Model):
         ERROR     = "error",     _("Erreur")    
     
     name = models.CharField(_("Nom de la session"), help_text=_("Session d'expérience. 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)
+    author = models.ForeignKey(User, on_delete=models.SET_NULL, 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)    
@@ -313,7 +313,7 @@ class Session(models.Model):
 
     def __str__(self):
         state = _("Terminée") if not self.active else _("Active")
-        return f'{self.id}: {self.name} {state}'
+        return f'[ {self.id} ] {self.name} ({state})'
     
 
 @receiver(post_save, sender=Session)
@@ -376,9 +376,9 @@ def delete_periodic_task(sender, instance, **kwargs):
     
     
 class SessionExperiment(models.Model):
-    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="Auteur", null=True, blank=True)
+    author = models.ForeignKey(User, on_delete=models.SET_NULL, verbose_name="Auteur", null=True, blank=True)
-    session = models.ForeignKey(Session, verbose_name=_("Session"), on_delete=models.SET_NULL, null=True, blank=True)
+    session = models.ForeignKey(Session, verbose_name=_("Session"), on_delete=models.CASCADE, null=True, blank=True)
-    experiment = models.ForeignKey(Experiment, verbose_name=_("Expérience"), on_delete=models.SET_NULL, null=True, blank=True, related_name="session_experiments")
+    experiment = models.ForeignKey(Experiment, verbose_name=_("Expérience"), on_delete=models.CASCADE, null=True, blank=True, related_name="session_experiments")
 
     @classmethod
     def experiment_by_session(cls, session_id, active=True):
@@ -407,8 +407,8 @@ class SessionExperiment(models.Model):
 
 
 class ExperimentWell(models.Model):
-    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="Auteur", null=True, blank=True)
+    author = models.ForeignKey(User, on_delete=models.SET_NULL, verbose_name="Auteur", null=True, blank=True)
-    experiment = models.ForeignKey(Experiment, verbose_name=_("Expérience"), on_delete=models.SET_NULL, null=True, blank=True, related_name="experimentwell")
+    experiment = models.ForeignKey(Experiment, verbose_name=_("Expérience"), on_delete=models.CASCADE, null=True, blank=True, related_name="experimentwell")
     well = models.ForeignKey(Well, verbose_name=_("Puit"), on_delete=models.SET_NULL, null=True, blank=True, related_name="wellexperiment")
     active = models.BooleanField(_("Active"), default=True)
  

test_tube_scanner/scanner/multiwell.py

@@ -151,7 +151,7 @@ class MultiWellManager:
             multiwell = experiment.multiwell
             
             if self.process.use_tracking:               
-                cfg = ExperimentConfig.objects.filter(experiment_id=experiment.id, well_id=well.id).first()
+                cfg = ExperimentConfig.objects.filter(experiment_key_id=experiment.id, well=well.name).first()
                 if not cfg:
                     raise Exception(f"Configuration d'expérience introuvable pour {experiment} / {well}")
                 # reset PlanarianTracker => on_well_change
@@ -166,7 +166,9 @@ class MultiWellManager:
                 self.process.data.record = True
             self.process._send(current=well_position.order)
             
-            logger.info(f"Starting capture for {uuid} ordre: {well_position.order}")
+            msg = f"Starting capture for {uuid} ordre: {well_position.order}"
+            logger.info(msg)
+            self.process._send(well_state=msg)
             
             start = time.monotonic()
             while not self.stop_playing.is_set():
@@ -249,7 +251,9 @@ class MultiWellManager:
             started = timezone.now()
             for obs in experiments:
                 
-                logger.warning(f"Starting scan for {obs} (well {pos}/{len(experiments)})")
+                msg = f"Starting scan for {obs} (well {pos}/{len(experiments)})"
+                logger.warning(msg)
+                self.process._send(well_state=msg)
                 
                 if self.stop_playing.is_set():
                     break

test_tube_scanner/scanner/static/scanner/js/scanning.js

@@ -25,6 +25,7 @@ class ScannerManager {
         this.scan_state   = options.scan_state;
         this.sim_bt       = options.simulate || null;
         this.well_btn     = options.well_btn;  
+        this.well_state   = options.well_state;  
     }
 
     init_controls() {
@@ -56,6 +57,7 @@ class ScannerManager {
             }
             if (payload.ts)     { this.ts.textContent = timestampToLocalISOString(payload.ts); }
             if (payload.scan_state) { this.scan_state.textContent=payload.scan_state;}
+            if (payload.well_state) { this.well_state.textContent=payload.well_state;}
                         
             if (payload.buttons) { 
                 this.well_btn.innerHTML = payload.buttons; 
@@ -67,8 +69,6 @@ class ScannerManager {
                     btn.classList.remove('w3-green'); 
                 });
             }                          
-           
-                                
         } catch(e) { console.log(e); }
     }
 

test_tube_scanner/scanner/tasks.py

@@ -5,7 +5,7 @@ import requests
 from celery import shared_task, group, chord, chain
 from celery.utils.log import get_task_logger
 from django.utils import timezone
-
+from django.utils.translation import gettext_lazy as _
 from .process import ScannerProcess, ReplayProcess, redisDB
 from .export_tasks import shm_download_video, export_images_zip, export_video_mp4
 from .constants import ScannerConstants
@@ -18,20 +18,34 @@ logger = get_task_logger(__name__)
 def scanner_start():
     scanner = ScannerProcess()        
     scanner.start()     
-    return f"Scanner démarré."
+    return str(_("Scanner démarré."))
 
 @shared_task
 def replay_start():
     replay = ReplayProcess(latency=5.0)
     replay.start()    
-    return f"Replay démarré."
+    return str(_("Replay démarré."))
 
-@shared_task
+
-def download_video(uuid, start_ts, end_ts, frame_rate=10, opencv_fourcc_format='mp4v', opencv_video_type='mp4'):
+@shared_task(bind=True)
+def download_video(self, uuid, start_ts, end_ts, frame_rate=5, opencv_fourcc_format='mp4v', opencv_video_type='mp4'):
+    """
+    Exécuter directement la fonction async DANS la tâche Celery.
+    Sans passer par une wrapper.
+    """
     try:       
-        return asyncio.run(shm_download_video(uuid, start_ts, end_ts, frame_rate, opencv_fourcc_format, opencv_video_type))
+        logger.info(f"Task {self.request.id}: Processing {uuid} from {start_ts} to {end_ts}")
+        loop = asyncio.new_event_loop()
+        asyncio.set_event_loop(loop)
+        try:
+            result = loop.run_until_complete(
+                shm_download_video(uuid, start_ts, end_ts, frame_rate, opencv_fourcc_format, opencv_video_type) )
+            return result
+        finally:
+            loop.close()
     except Exception as e:
-        logger.error(f"download_video: {e}")
+        logger.error(f"shm_download_video_task error: {e}", exc_info=True)
+        return { 'status': 'error', 'error': str(e), 'uuid': uuid}        
         
 @shared_task
 def export_images(
@@ -47,6 +61,7 @@ def export_images(
     except Exception as e:
         logger.error(f"export_images: {e}")
  
+
 @shared_task
 def export_all_images(session_id=None):
     try:
@@ -74,11 +89,9 @@ def export_all_images(session_id=None):
     except Exception as e:
         logger.error(f"export_images: {e}")
 
+
 @shared_task
-def export_videos(uuid: str, 
+def export_videos(uuid: str, start_ts: float | None = None, end_ts: float | None = None, frame_rate: int = 5,
-        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, 
@@ -88,6 +101,7 @@ def export_videos(uuid: str,
         return asyncio.run(export_video_mp4(uuid, start_ts, end_ts, frame_rate, opencv_fourcc_format, opencv_video_type, max_video_size_mb, max_width, max_height))
     except Exception as e:
         logger.error(f"export_videos: {e}")
+        return {"success": False, "error": str(e)}
 
 
 @shared_task

test_tube_scanner/scanner/templates/scanner/experiment-inc.html

@@ -0,0 +1,6 @@
+{% for ss in experiments %}
+<div>
+    <input class="" type="radio" name="_expid" value="{{ ss.id }}" {% if ss.id == current_experiment.id %}checked{% endif %} onchange="this.form.submit()" >
+    <label>{{ ss }}</label>
+</div>
+{% endfor %}    

test_tube_scanner/scanner/templates/scanner/images.html

@@ -16,18 +16,15 @@
 	        {% endfor %}
 	    </select>
 	    <div class="w3-margin-left w3-margin-bottom">
-            {% for ss in experiments %}
+            {% include "scanner/experiment-inc.html" %} 
-            <input class="" type="radio" name="_expid" value="{{ ss.id }}" {% if ss.id == current_experiment.id %}checked{% endif %} onchange="this.form.submit()" >
-            <label>{{ ss.multiwell }}</label>
-            {% endfor %}	   
 	    </div>
 	    {% if current_session.id and current_experiment %}
             {% multiwell_cards current_session.id current_experiment %}
         {% endif %}
     </form>
     {% if current_session.id %}
-    <a href="#" class="w3-bar-item w3-btn w3-hover-opacity" onclick="download_all_images()">
+    <a href="#" class="w3-bar-item w3-btn w3-hover-opacity" onclick="download_all_images({{ current_session.id }})">
-        <i class="fa-solid fa-file-export w3-text-red w3-xlarge"></i> {% trans "Exporter l'ensemble des images" %}<br>
+        <i class="fa-solid fa-file-export w3-text-red w3-xlarge"></i> {% trans "Exporter l'ensemble des images de la session" %}<br>
         <span class="w3-margin-left">{{ export_destination }}
     </a>     
     {% endif %}
@@ -65,7 +62,8 @@
         const duration = parseInt("{{ duration }}");
         const uuid_btn = sId("btn-" + "{{ uuid }}");
         const image_endpoint = "{% url 'scanner:export_api' %}";
-        const sid = parseInt("{{ cursid }}");
+        const export_msg = "{% trans "Confirmer l'export des images." %}";
+        const export_msg_long = "{% trans "ATTENTION le processus peut être long!" %}";
 
         function setGridColumns(col)    { container.style.setProperty("--grid-columns", col); updateActiveButton(col);  }
         function handleMultiwell(b)     { b.classList.add('w3-green'); }
@@ -78,7 +76,7 @@
         }
 
         function image_save(name, img)  {
-            const ok = confirm(`Télécharger le fichier ?\n\n${name}`);
+            const ok = confirm(export_msg);
             if (!ok) return false;
 		    fetch(img)
 			    .then(res => res.blob())
@@ -94,7 +92,9 @@
 		    });
         }
         
-        function download_all_images() {
+        function download_all_images(sid) {
+            const ok = confirm(export_msg +' '+ export_msg_long);
+            if (!ok) return false;
  	        fetch(image_endpoint, {
 	            method: 'POST',
 	            headers: { 'Content-Type': 'application/json' },
@@ -110,6 +110,7 @@
 	        .catch(error => {
 	            console.error('Erreur:', error);
 	        });   
+	            
         }
 	    setGridColumns(columns);
 	    if (uuid_btn)

test_tube_scanner/scanner/templates/scanner/replay.html

@@ -17,10 +17,7 @@
             {% endfor %}
         </select>
         <div class="w3-margin-left w3-margin-bottom">
-            {% for ss in experiments %}
+            {% include "scanner/experiment-inc.html" %} 
-            <input class="" type="radio" name="_expid" value="{{ ss.id }}" {% if ss.id == current_experiment.id %}checked{% endif %} onchange="this.form.submit()" >
-            <label>{{ ss.multiwell }}</label>
-            {% endfor %}       
         </div>        
         
         {% if current_session.id and current_experiment %}
@@ -28,7 +25,7 @@
         {% endif %}
     </form>
     {% if current_session.id %}
-    <a href="#" class="w3-bar-item w3-btn w3-hover-opacity" onclick="download_all_videos()">
+    <a href="#" class="w3-bar-item w3-btn w3-hover-opacity" onclick="download_all_videos({{ current_session.id }})">
         <i class="fa-solid fa-file-export w3-text-red w3-xlarge"></i> {% trans "Exporter l'ensemble des vidéos" %}<br>
         <span class="w3-margin-left">{{ export_destination }}</span>
     </a>     
@@ -78,9 +75,12 @@
     const ws_route = "{{ ws_route }}";
     const uuid_btn = sId("btn-" + "{{ uuid }}");
     const image_endpoint = "{% url 'scanner:export_api' %}";
-    const sid = parseInt("{{ cursid }}");
+    const export_msg = "{% trans "Confirmer l'export des vidéos. ATTENTION le processus peut être long!" %}";
 
-    function download_all_videos() {
+
+    function download_all_videos(sid) {
+        const ok = confirm(export_msg);
+        if (!ok) return false;    
         fetch(image_endpoint, {
             method: 'POST',
             headers: { 'Content-Type': 'application/json' },

test_tube_scanner/scanner/templates/scanner/scanning.html

@@ -51,7 +51,8 @@
 	        </div>
 	        {% endif %}
 	        <div class="w3-col">
-	            <div id="_well_btn" class="w3-margin-top"></div>  	
+	            <div id="_well_state" class="w3-margin-top w3-small w3-text-amber w3-justify"></div>
+	            <div id="_well_btn"></div>  	
 	        </div>         
             <div class="w3-col">  
 	            <button id="_halt" class="w3-button w3-red w3-round-large w3-margin-top w3-block">
@@ -63,8 +64,8 @@
            <div class="w3-margin-top w3-padding-small w3-small">
                <span id="_ts"></span>
            </div>
-           <div class="w3-margin-top w3-small w3-center w3-justify">
+           <div class="w3-margin-top w3-small">
-               <span id="_scan_state" class="w3-text-amber w3-padding"></span>
+               <span id="_scan_state" class="w3-text-amber w3-padding w3-justify"></span>
            </div>    
         </div>                      
     </div>
@@ -100,7 +101,9 @@
             frame_count : sId("_count"),
             scan_state  : sId("_scan_state"),
             simulate    : sId("_simulate"),
-            well_btn    : sId("_well_btn")
+            well_btn    : sId("_well_btn"),
+            well_state    : sId("_well_state")
+
         };                      
     </script>        
     <script src="/static/scanner/js/scanning.js"></script>

test_tube_scanner/scanner/views.py

@@ -1,13 +1,15 @@
 #
+import os
 from asgiref.sync import async_to_sync
 import base64, json
 from django.shortcuts import render #, redirect
-from django.http import JsonResponse
+from django.http import JsonResponse, FileResponse
 from django.utils.translation import gettext_lazy as _
 from django.views.decorators.http import require_GET, require_POST
 from django.views.decorators.csrf import csrf_exempt
 from django.contrib.auth.decorators import login_required, user_passes_test
 from django.conf import settings
+
 from reduct.time import unix_timestamp_to_iso
 from modules.system_stats import get_cached_stats, start_background_updater
 from modules import reductstore
@@ -198,12 +200,27 @@ def images_view(request):
 @csrf_exempt
 def download_api(request):
     data = json.loads(request.body.decode() or "{}")
+    try:
         action = data.get("action")
         if action=='download':
             uuid, dt_start, dt_stop, frame_rate = data.get("uuid"), data.get("dt_start"), data.get("dt_stop"), data.get("fps")
-        return download_video.delay(uuid, dt_start, dt_stop, frame_rate=frame_rate)  # @UndefinedVariable
+            task = download_video.delay(uuid, dt_start, dt_stop, frame_rate=frame_rate)  # @UndefinedVariable
-    else:
+            result = task.get(timeout=300)
-        return JsonResponse({"state":  False})
+
+            if result.get('success'):
+                video_path = result.get('video_path')
+                if not os.path.exists(video_path):
+                    raise Exception(f"File not created: {video_path}")           
+    
+                response = FileResponse(open(video_path, 'rb'), content_type='video/mp4')
+                response['Content-Disposition'] = f'attachment; filename="{video_path}"'
+                response['Content-Length'] = os.path.getsize(video_path)
+                os.remove(video_path)
+                return response
+            return JsonResponse(result)
+    except Exception as e:
+        print("download_api error",  e)
+    return JsonResponse({"state":  False, "success":  False, "msg": str(_("Erreur d'exportation")), })
 
     
 def get_video(uuid):
@@ -246,14 +263,13 @@ def export_api(request):
     data = json.loads(request.body.decode() or "{}")
     session_id = data.get("sid")
     action = data.get("action")
-    
+    try:
         if action == 'export_images':
             export_all_images(session_id)
             return JsonResponse({"success":  True,  "msg": str(_("Images téléchargées"))})
         elif action == 'export_videos':
             export_all_videos(session_id)
             return JsonResponse({"success":  True, "msg": str(_("Vidéos téléchargées"))})
-    else:
+    except:
-        return JsonResponse({"success":  False, "msg": str(_("Erreur d'exportation"))})    
+        return JsonResponse({"state":  False, "success":  False, "msg": str(_("Erreur d'exportation")), })
-