Ajoutez des fichiers projet.

venv/Lib/site-packages/django/utils/connection.py

@@ -0,0 +1,76 @@
+from asgiref.local import Local
+
+from django.conf import settings as django_settings
+from django.utils.functional import cached_property
+
+
+class ConnectionProxy:
+    """Proxy for accessing a connection object's attributes."""
+
+    def __init__(self, connections, alias):
+        self.__dict__['_connections'] = connections
+        self.__dict__['_alias'] = alias
+
+    def __getattr__(self, item):
+        return getattr(self._connections[self._alias], item)
+
+    def __setattr__(self, name, value):
+        return setattr(self._connections[self._alias], name, value)
+
+    def __delattr__(self, name):
+        return delattr(self._connections[self._alias], name)
+
+    def __contains__(self, key):
+        return key in self._connections[self._alias]
+
+    def __eq__(self, other):
+        return self._connections[self._alias] == other
+
+
+class ConnectionDoesNotExist(Exception):
+    pass
+
+
+class BaseConnectionHandler:
+    settings_name = None
+    exception_class = ConnectionDoesNotExist
+    thread_critical = False
+
+    def __init__(self, settings=None):
+        self._settings = settings
+        self._connections = Local(self.thread_critical)
+
+    @cached_property
+    def settings(self):
+        self._settings = self.configure_settings(self._settings)
+        return self._settings
+
+    def configure_settings(self, settings):
+        if settings is None:
+            settings = getattr(django_settings, self.settings_name)
+        return settings
+
+    def create_connection(self, alias):
+        raise NotImplementedError('Subclasses must implement create_connection().')
+
+    def __getitem__(self, alias):
+        try:
+            return getattr(self._connections, alias)
+        except AttributeError:
+            if alias not in self.settings:
+                raise self.exception_class(f"The connection '{alias}' doesn't exist.")
+        conn = self.create_connection(alias)
+        setattr(self._connections, alias, conn)
+        return conn
+
+    def __setitem__(self, key, value):
+        setattr(self._connections, key, value)
+
+    def __delitem__(self, key):
+        delattr(self._connections, key)
+
+    def __iter__(self):
+        return iter(self.settings)
+
+    def all(self):
+        return [self[alias] for alias in self]