Replace DatabaseWrapper.__getattr__() with a simpler database attribute

Author: timgraham

django_mongodb_backend/base.py

@@ -4,6 +4,7 @@
 from django.core.exceptions import ImproperlyConfigured
 from django.db.backends.base.base import BaseDatabaseWrapper
 from django.utils.asyncio import async_unsafe
+from django.utils.functional import cached_property
 from pymongo.collection import Collection
 from pymongo.driver_info import DriverInfo
 from pymongo.mongo_client import MongoClient
@@ -149,13 +150,13 @@ def get_database(self):
  return OperationDebugWrapper(self)
  return self.database
 
- def __getattr__(self, attr):
-  """Connect to the database the first time `database` is accessed."""
- if attr == "database":
-  if self.connection is None:
-  self.connect()
-  return getattr(self, attr)
- raise AttributeError(attr)
+ @cached_property
+ def database(self):
+ """Connect to the database the first time it's accessed."""
+ if self.connection is None:
+ self.connect()
+ # Cache the database attribute set by init_connection_state()
+ return self.database
 
  def init_connection_state(self):
  self.database = self.connection[self.settings_dict["NAME"]]