constants

test_tube_scanner/home/settings.py

@@ -401,3 +401,4 @@ TRACKER_MIN_AREA = 200
 CALIBRATION_AUTO_DURATION = 45.0
 CALIBRATION_AUTO_TIMEOUT = 2.5
 
+

test_tube_scanner/planarian/models.py

@@ -3,10 +3,11 @@
 from django.db import models
 from django.dispatch import receiver
 from django.db.models.signals import post_save
-
+from django.conf import settings
 from django.utils.translation import gettext_lazy as _
 from django.contrib.auth.models import User
-from scanner.models import Experiment, Well, WellPosition, Configuration
+from scanner.models import Experiment, Well, WellPosition
+from scanner.constants import ScannerConstants
 
 class ExperimentConfig(models.Model):
     """
@@ -155,7 +156,7 @@ def create_well_position(sender, instance, created, **kwargs):
     active_well = WellPosition.active_well(instance.multiwel, instance.well)
     instance.px_per_mm = active_well.px_per_mm
     instance.well_radius_mm = instance.experiment.multiwell.diameter / 2
-    conf = Configuration.active_config()
+    conf = ScannerConstants().get()
     instance.fps = conf.video_frame_rate
     instance.save()        
         

test_tube_scanner/scanner/constants.py

@@ -0,0 +1,47 @@
+'''
+Created on 28 avr. 2026
+
+@author: denis
+'''
+from dataclasses import dataclass, asdict
+from .models import Configuration
+
+@dataclass
+class DefaultConfig:
+    """Constantes par défaut - utilisées en cas de problème BD"""
+    sidebar_width: str = "25%"
+    default_grid_columns: int = 3
+    opencv_fourcc_format: str = 'mp4v'
+    opencv_video_type: str = 'mp4'
+    grbl_xmax: float = 350.0
+    grbl_ymax: float = 250.0
+    capture_type: str = 'rpi'
+    webcam_device_index: int = 2
+    image_quality: int = 90
+    video_jpeg_quality: int = 90
+    video_frame_rate: int = 5.0
+    video_width_capture: int = 2028
+    video_height_capture: int = 1520
+    calibration_crop_radius: int = 500
+    calibration_default_multiwell: str = 'HD'
+    calibration_default_feed: int = 1000
+    calibration_default_step: float = 1.0
+    calibration_default_duration: float = 3.0
+    tracking: bool = False 
+    
+
+class ScannerConstants:
+    
+    def __init__(self):
+        self.conf = DefaultConfig()
+        d = asdict(self.conf)
+        v = d.keys()
+        lst = Configuration.objects.filter(active=True).values(*v)
+        if lst:
+            values = lst[0]
+            self.conf = DefaultConfig(**values)
+            
+    def get(self):
+        return self.conf
+    
+    

test_tube_scanner/scanner/process.py

@@ -26,8 +26,10 @@ from modules import reductstore, grbl, utils
 ## camera devices
 from modules.circular_crop import CircularCrop, CropStrategy
 from .multiwell import MultiWellManager
+from .constants import ScannerConstants
 from . import models
 
+
 @dataclass
 class ProcessData:
     play: bool = True
@@ -160,7 +162,7 @@ class ScannerProcess(Task):
 
     def start(self, *args, **kwargs):
         try:
-            self.conf = models.Configuration.objects.filter(active=True).first()
+            self.conf = ScannerConstants().get()
             self.use_tracking = self.conf.tracking
             
             self.video_quality = self.conf.video_jpeg_quality

test_tube_scanner/scanner/views.py

@@ -11,39 +11,15 @@ 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
-from dataclasses import dataclass
 
 from .tasks import download_video, export_all_images, export_all_videos
 from .process import CameraRecordManager, cameraDB
 from . import models
+from .constants import ScannerConstants
 
-@dataclass
-class DefaultConfig:
-    sidebar_width: str = "25%"
-    default_grid_columns: int = 3
-    opencv_fourcc_format: str = 'mp4v'
-    opencv_video_type: str = 'mp4'
-    grbl_xmax: float = 350.0
-    grbl_ymax: float = 250.0
-    capture_type: str = 'rpi'
-    webcam_device_index: int = 2
-    image_quality: int = 90
-    video_jpeg_quality: int = 90
-    video_frame_rate: int = 5.0
-    video_width_capture: int = 2028
-    video_height_capture: int = 1520
-    calibration_crop_radius: int = 500
-    calibration_default_multiwell: str = 'HD'
-    calibration_default_feed: int = 1000
-    calibration_default_step: float = 1.0
-    calibration_default_duration: float = 3.0
-    tracking: bool = False
-
-
-default_conf = DefaultConfig()
 record_manager = CameraRecordManager(cameraDB)
 start_background_updater()
-   
+
     
 @require_GET
 def stats_view(request):
@@ -58,7 +34,9 @@ def stats_view(request):
 
 def global_context(request, **ctx):
     default_multiwell = models.MultiWell.objects.filter(default=True).first()
-    conf = models.Configuration.active_config() or default_conf
+    conf = ScannerConstants().get()
+    
+    print(conf, type(conf))
     return dict(
         app_title=settings.APP_TITLE,
         app_sub_title=settings.APP_SUB_TITLE,