changer le look du calendar légèrement et régler problème avec déconnection des test

app/local_postgres.py

@@ -324,8 +324,9 @@ def _create_database():
 def _stop(*_args):
     """Stop the PostgreSQL server with a fast shutdown.
 
-    Registered as ``atexit`` and signal handler so it fires on Ctrl+C,
-    normal exit, and terminal close.
+    Registered as an ``atexit`` handler so it fires on normal exit. Signal
+    handling goes through ``_handle_stop_signal``, which also stops the
+    server but then re-raises so the process actually exits.
     """
     global _started
     global _stopped_system_service_name
@@ -349,6 +350,19 @@ def _stop(*_args):
         _start_system_service(srv)
 
 
+def _handle_stop_signal(signum, frame):
+    """Stop PostgreSQL, then let the interpreter shut down normally.
+
+    ``_stop`` alone would swallow Ctrl+C: it stops the server and restores the
+    system service, then returns without exiting, leaving the dev server
+    running against a stopped database and the terminal frozen. Re-raising
+    ``KeyboardInterrupt`` hands control back to the framework, which exits;
+    the ``atexit`` registration then runs ``_stop`` again (idempotent).
+    """
+    _stop()
+    raise KeyboardInterrupt
+
+
 # ---------------------------------------------------------------------------
 # Public API
 # ---------------------------------------------------------------------------
@@ -420,9 +434,9 @@ def start() -> str:
         _started = True
         atexit.register(_stop)
         with contextlib.suppress(ValueError, OSError):
-            signal.signal(signal.SIGINT, _stop)
+            signal.signal(signal.SIGINT, _handle_stop_signal)
         with contextlib.suppress(AttributeError, ValueError, OSError):
-            signal.signal(signal.SIGBREAK, _stop)  # type: ignore[attr-defined]
+            signal.signal(signal.SIGBREAK, _handle_stop_signal)  # type: ignore[attr-defined]
 
     logger.info('Local PostgreSQL ready — DATABASE_URL=%s', DATABASE_URL)
     return DATABASE_URL