Initial import from Docker volume

application.py

@@ -0,0 +1,45 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+import csv
+import logging.config
+import os
+import threading
+from io import StringIO
+
+__all__ = ['app']
+
+# Logging must be set before importing
+logging_config = os.environ.get('TRYTOND_LOGGING_CONFIG')
+logging_level = int(os.environ.get(
+        'TRYTOND_LOGGING_LEVEL', default=logging.ERROR))
+if logging_config:
+    logging.config.fileConfig(logging_config)
+else:
+    logformat = ('%(process)s %(thread)s [%(asctime)s] '
+        '%(levelname)s %(name)s %(message)s')
+    level = max(logging_level, logging.NOTSET)
+    logging.basicConfig(level=level, format=logformat)
+logging.captureWarnings(True)
+
+if os.environ.get('TRYTOND_COROUTINE'):
+    from gevent import monkey
+    monkey.patch_all()
+
+from trytond.pool import Pool  # noqa: E402
+from trytond.wsgi import app  # noqa: E402
+
+Pool.start()
+# TRYTOND_CONFIG it's managed by importing config
+db_names = os.environ.get('TRYTOND_DATABASE_NAMES')
+if db_names:
+    # Read with csv so database name can include special chars
+    reader = csv.reader(StringIO(db_names))
+    threads = []
+    for name in next(reader):
+        thread = threading.Thread(target=lambda: Pool(name).init())
+        thread.start()
+        threads.append(thread)
+    for thread in threads:
+        thread.join()
+
+assert len(threads := threading.enumerate()) == 1, f"len({threads}) != 1"