Ajoutez des fichiers projet.

venv/Lib/site-packages/django/db/models/signals.py

@@ -0,0 +1,49 @@
+from functools import partial
+
+from django.db.models.utils import make_model_tuple
+from django.dispatch import Signal
+
+class_prepared = Signal()
+
+
+class ModelSignal(Signal):
+    """
+    Signal subclass that allows the sender to be lazily specified as a string
+    of the `app_label.ModelName` form.
+    """
+    def _lazy_method(self, method, apps, receiver, sender, **kwargs):
+        from django.db.models.options import Options
+
+        # This partial takes a single optional argument named "sender".
+        partial_method = partial(method, receiver, **kwargs)
+        if isinstance(sender, str):
+            apps = apps or Options.default_apps
+            apps.lazy_model_operation(partial_method, make_model_tuple(sender))
+        else:
+            return partial_method(sender)
+
+    def connect(self, receiver, sender=None, weak=True, dispatch_uid=None, apps=None):
+        self._lazy_method(
+            super().connect, apps, receiver, sender,
+            weak=weak, dispatch_uid=dispatch_uid,
+        )
+
+    def disconnect(self, receiver=None, sender=None, dispatch_uid=None, apps=None):
+        return self._lazy_method(
+            super().disconnect, apps, receiver, sender, dispatch_uid=dispatch_uid
+        )
+
+
+pre_init = ModelSignal(use_caching=True)
+post_init = ModelSignal(use_caching=True)
+
+pre_save = ModelSignal(use_caching=True)
+post_save = ModelSignal(use_caching=True)
+
+pre_delete = ModelSignal(use_caching=True)
+post_delete = ModelSignal(use_caching=True)
+
+m2m_changed = ModelSignal(use_caching=True)
+
+pre_migrate = Signal()
+post_migrate = Signal()