Ajoutez des fichiers projet.

venv/Lib/site-packages/django/db/backends/base/validation.py

@@ -0,0 +1,25 @@
+class BaseDatabaseValidation:
+    """Encapsulate backend-specific validation."""
+    def __init__(self, connection):
+        self.connection = connection
+
+    def check(self, **kwargs):
+        return []
+
+    def check_field(self, field, **kwargs):
+        errors = []
+        # Backends may implement a check_field_type() method.
+        if (hasattr(self, 'check_field_type') and
+                # Ignore any related fields.
+                not getattr(field, 'remote_field', None)):
+            # Ignore fields with unsupported features.
+            db_supports_all_required_features = all(
+                getattr(self.connection.features, feature, False)
+                for feature in field.model._meta.required_db_features
+            )
+            if db_supports_all_required_features:
+                field_type = field.db_type(self.connection)
+                # Ignore non-concrete fields.
+                if field_type is not None:
+                    errors.extend(self.check_field_type(field, field_type))
+        return errors