From 5a38f2a853ab1b5909fc8398d88033c332ab1528 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Tue, 19 May 2026 18:19:59 +0200
Subject: [PATCH] Close database after initialization of Pool from WSGI
 application

The psycopg pool starts worker threads that must be stopped.

Closes #14849
(grafted from fb2059f652653820142d67f34fd58953decf48f3)

--HG--
branch : 8.0
---
 trytond/trytond/application.py                 | 7 ++++++-
 trytond/trytond/backend/postgresql/database.py | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/trytond/trytond/application.py b/trytond/trytond/application.py
index bc10f0ebaa..0001fada77 100644
--- a/trytond/trytond/application.py
+++ b/trytond/trytond/application.py
@@ -31,11 +31,16 @@ Pool.start()
 # TRYTOND_CONFIG it's managed by importing config
 db_names = os.environ.get('TRYTOND_DATABASE_NAMES')
 if db_names:
+    from trytond import backend
+
+    def initializer(name):
+        Pool(name).init()
+        backend.Database(name).close()
     # 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 = threading.Thread(target=initializer, args=(name,))
         thread.start()
         threads.append(thread)
     for thread in threads:
diff --git a/trytond/trytond/backend/postgresql/database.py b/trytond/trytond/backend/postgresql/database.py
index 27968f6940..af4b0c4759 100644
--- a/trytond/trytond/backend/postgresql/database.py
+++ b/trytond/trytond/backend/postgresql/database.py
@@ -286,7 +286,7 @@ class Database(DatabaseInterface):
     def close(self):
         with self._lock:
             logger.info('disconnection from "%s"', self.name)
-            self._connpool.close()
+            self._connpool.close(None)
             self._databases[os.getpid()].pop(self.name)
 
     @classmethod