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PlanarianScanner/test_tube_scanner/scanner/admin.py
T

226 lines
8.4 KiB
Python

from pathlib import Path
from django.utils.translation import gettext_lazy as _
from django.utils.html import format_html
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', 'capture_type', 'video_width_capture', 'video_height_capture', 'video_frame_rate', 'active',)
fieldsets = (
(_("Identification"), {
"fields": ("name", "author", "active"),
}),
(_("Dashboard"), {
"fields": ("sidebar_width", "default_grid_columns",),"classes": ("collapse",),
}),
(_("opencv"), {
"fields": ("opencv_fourcc_format", "opencv_video_type"),"classes": ("collapse",),
}),
(_("Grbl"), {
"fields": ("grbl_xmax", "grbl_ymax"),
"classes": ("collapse",),
}),
(_("Camera"), {
"fields": ("scan_simulation", "capture_type", "webcam_device_index", "image_quality", "video_jpeg_quality", "video_frame_rate", "video_width_capture", "video_height_capture"),
"classes": ("collapse",),
}),
(_("Calibration / Balayage"), {
"fields": ("tube_axis", "calibration_crop_radius", "calibration_default_multiwell", "calibration_default_feed", "calibration_default_step", "calibration_default_duration"),
"classes": ("collapse",),
}),
(_("Tracking: valeurs par défaut"), {
"fields": ("tracking", "tracking_setting", "min_area_px", "max_area_ratio", "max_planarians", "merge_kernel_size", "min_contour_dist_px"),
"classes": ("collapse",),
}),
)
class MultiWellAdmin(admin.ModelAdmin):
list_filter = ('author', )
list_display = ('label', 'position', 'author', 'order', 'xbase', 'ybase', 'duration', 'feed', 'default', 'well_position', 'capture_video', 'active',)
ordering = ('label', 'order')
fieldsets = (
(_("Identification"), {
"fields": ("label", "author", "position", "default", "capture_video", "active"),
}),
(_("Géométrie"), {
"fields": ("cols", "rows", "diameter", "crop_radius", "row_def", "row_order"),"classes": ("collapse",),
}),
(_("Déplacement"), {
"fields": ("order", "duration", "xbase", "ybase", "dx", "dy", "feed"),"classes": ("collapse",),
}),
(_("Positions générées"), {
"fields": ("well_position",),
}),
)
class WellPositionAdmin(admin.ModelAdmin):
list_filter = ('author', 'multiwell')
list_display = ('multiwell__position', 'well__name', 'order', 'x', 'y', 'px_per_mm', 'author',)
class ExperimentWellInline(admin.TabularInline):
model = models.ExperimentWell
extra = 0
#ordering = ('experiment__multiwell__wellposition__order',)
class ExperimentAdmin(admin.ModelAdmin):
inlines = (ExperimentWellInline, )
list_filter = ('session_experiments__session', 'author', )
list_display = ('title', 'author', 'identifier', 'duration', 'multiwell', 'created', 'started', 'finished')
readonly_fields = ('created', 'identifier', 'started', 'finished', )
class SessionExperimentInlineAdmin(admin.TabularInline):
model = models.SessionExperiment
fk_name = 'session'
extra = 0
def formfield_for_foreignkey(self, db_field, request, **kwargs):
if db_field.name == "experiment":
obj_id = request.resolver_match.kwargs.get("object_id")
qs = models.Experiment.objects.filter(session_experiments__isnull=True)
if obj_id:
qs = models.Experiment.objects.filter(
Q(session_experiments__isnull=True) |
Q(session_experiments__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 = (SessionExperimentInlineAdmin, )
list_display = ('name', 'id', '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.register(models.VideoPlate)
class VideoPlateAdmin(admin.ModelAdmin):
list_display = ['multiwell', 'label', 'video_filename', 'active',
'fps_display', 'duration_display', 'resolution_display', 'uploaded_at']
list_filter = ['multiwell', 'active']
list_editable = ['active']
readonly_fields = [
'native_fps', 'duration_s', 'frame_w', 'frame_h',
'uploaded_at', 'resolution_display', 'video_preview',
]
fields = [
'multiwell', 'label', 'video_file', 'active', 'px_per_mm',
'x_origin_mm', 'y_origin_mm',
'video_preview',
'native_fps', 'duration_s', 'frame_w', 'frame_h', 'uploaded_at',
]
class Media:
css = {'all': ('scanner/css/video_upload.css',)}
js = ('scanner/js/video_upload.js',)
# ------------------------------------------------------------------
# Colonnes liste
# ------------------------------------------------------------------
@admin.display(description=_("Fichier"), ordering='video_file')
def video_filename(self, obj):
return obj.video_filename
@admin.display(description=_("FPS"))
def fps_display(self, obj):
return f"{obj.native_fps:.2f}" if obj.native_fps else "—"
@admin.display(description=_("Durée"))
def duration_display(self, obj):
if not obj.duration_s:
return "—"
m, s = divmod(int(obj.duration_s), 60)
return f"{m}:{s:02d}"
@admin.display(description=_("Résolution"))
def resolution_display(self, obj):
return obj.resolution
# ------------------------------------------------------------------
# Aperçu vidéo (readonly field)
# ------------------------------------------------------------------
@admin.display(description=_("Aperçu"))
def video_preview(self, obj):
if not obj.video_file:
return "—"
return format_html(
'<video src="{}" controls style="max-width:480px;max-height:320px;'
'border-radius:4px;"></video>',
obj.video_file.url,
)
# ------------------------------------------------------------------
# Sauvegarde : extraction des métadonnées
# ------------------------------------------------------------------
def save_model(self, request, obj, form, change):
super().save_model(request, obj, form, change)
if obj.video_file:
self._extract_metadata(obj)
def _extract_metadata(self, obj):
try:
import cv2
cap = cv2.VideoCapture(obj.video_file.path)
if cap.isOpened():
fps = cap.get(cv2.CAP_PROP_FPS)
fc = cap.get(cv2.CAP_PROP_FRAME_COUNT)
models.VideoPlate.objects.filter(pk=obj.pk).update(
native_fps = fps,
duration_s = (fc / fps) if fps else None,
frame_w = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)),
frame_h = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)),
)
cap.release()
except Exception:
pass
# ------------------------------------------------------------------
# Suppression : efface aussi le fichier physique
# ------------------------------------------------------------------
def delete_model(self, request, obj):
if obj.video_file:
Path(obj.video_file.path).unlink(missing_ok=True)
super().delete_model(request, obj)
def delete_queryset(self, request, queryset):
for obj in queryset:
if obj.video_file:
Path(obj.video_file.path).unlink(missing_ok=True)
super().delete_queryset(request, queryset)
admin.site.register(models.Configuration, ConfigurationAdmin)
admin.site.register(models.Well, WellAdmin)
admin.site.register(models.MultiWell, MultiWellAdmin)
admin.site.register(models.WellPosition, WellPositionAdmin)
admin.site.register(models.Experiment, ExperimentAdmin)
admin.site.register(models.Session, SessionAdmin)