Le chromium n'existe que dans Celery

src/agenda_culturel/celery.py

@@ -1,7 +1,7 @@
 import os
 import json
 
-from celery import Celery
+from celery import Celery, Task
 from celery.schedules import crontab
 from celery.utils.log import get_task_logger
 
@@ -20,8 +20,6 @@ app = Celery("agenda_culturel")
 
 logger = get_task_logger(__name__)
 
-chromiumDownloader = ChromiumHeadlessDownloader()
-
 
 # Using a string here means the worker doesn't have to serialize
 # the configuration object to child processes.
@@ -76,7 +74,17 @@ def import_events_from_json(self, json):
         close_import_task(self.request.id, False, e, importer)"""
 
 
-@app.task(bind=True)
+class ChromiumTask(Task):
+    _chm = None
+
+    @property
+    def chromiumDownloader(self):
+        if self._chm is None:
+            self._chm = ChromiumHeadlessDownloader()
+        return self._chm
+
+
+@app.task(base=ChromiumTask, bind=True)
 def run_recurrent_import(self, pk):
     from agenda_culturel.models import RecurrentImport, BatchImportation
     from .db_importer import DBImporterEvents
@@ -98,7 +106,7 @@ def run_recurrent_import(self, pk):
     downloader = (
         SimpleDownloader()
         if rimport.downloader == RecurrentImport.DOWNLOADER.SIMPLE
-        else chromiumDownloader
+        else self.chromiumDownloader
     )
     if rimport.processor == RecurrentImport.PROCESSOR.ICAL:
         extractor = ICALExtractor()