fix(django): Fix psycopg3

Fixes GH-3061

sentry_sdk/integrations/django/__init__.py

@@ -695,15 +695,10 @@ def _set_db_data(span, cursor_or_db):
     if is_psycopg2:
         connection_params = cursor_or_db.connection.get_dsn_parameters()
     else:
-        is_psycopg3 = (
-            hasattr(cursor_or_db, "connection")
-            and hasattr(cursor_or_db.connection, "info")
-            and hasattr(cursor_or_db.connection.info, "get_parameters")
-            and inspect.isroutine(cursor_or_db.connection.info.get_parameters)
-        )
-        if is_psycopg3:
+        try:
+            # psycopg3
             connection_params = cursor_or_db.connection.info.get_parameters()
-        else:
+        except Exception:
             connection_params = db.get_connection_params()
 
     db_name = connection_params.get("dbname") or connection_params.get("database")

tests/integrations/django/test_basic.py

@@ -647,6 +647,18 @@ def get_connection_params(self):
         pytest.fail("A TypeError was raised")
 
 
+def test_connection_reconnect_does_not_error(sentry_init):
+    sentry_init(integrations=[DjangoIntegration()])
+
+    from django.db import connections
+
+    if "postgres" not in connections:
+        pytest.skip("postgres tests disabled")
+
+    connections["postgres"].close()
+    connections["postgres"].connect()
+
+
 @pytest.mark.parametrize(
     "transaction_style,client_url,expected_transaction,expected_source,expected_response",
     [