if model._meta.app_label in DATABASE_MAPPING: return DATABASE_MAPPING[model._meta.app_label] return None def allow_relation(self, obj1, obj2, **hints): """Allow any relation between apps that use the same database.""" db_obj1 = DATABASE_MAPPING.get(obj1._meta.app_label) db_obj...
所以我们现在要去这个路径下创建一个database_router.py文件,然后进行如下编辑 fromdjango.confimportsettings DATABASE_MAPPING=settings.DATABASE_APPS_MAPPINGclassDatabaseAppsRouter(object):"""A router to control all database operations on models for different databases. In case an app is not set in set...
The master router is used by Django’s database operations to allocate database usage. Whenever a query needs to know which database to use, it calls the master router, providing a model and a hint (if available). Django then tries each router in turn until a database suggestion can be...
For a model which has a many-to-many relationship to itself through an intermediary model, two foreign keys to the same model are permitted, but they will be treated as the two (different) sides of the many-to-many relationship. If there are more than two foreign keys though, you must...
return DATABASE_MAPPING[model._meta.app_label] return None def allow_relation(self, obj1, obj2, **hints): """Allow any relation between apps that use the same database.""" db_obj1 = DATABASE_MAPPING.get(obj1._meta.app_label) ...
return DATABASE_MAPPING[model._meta.app_label] return None def allow_relation(self, obj1, obj2, **hints): """Allow any relation between apps that use the same database.""" db_obj1 = DATABASE_MAPPING.get(obj1._meta.app_label) ...
(cls) File "C:\Users\prateek.jain\Anaconda3\lib\site-packages\django\db\models\options.py", line 254, in _prepare model.add_to_class('id', auto) File "C:\Users\prateek.jain\Anaconda3\lib\site-packages\django\db\models\base.py", line 326, in add_to_class value.contribute_to_class...
After the database for the tests is being setup, I get the following error: RuntimeError: Conflicting 'model' models in application 'app': <class 'app.models.Model'> and <class 'project.project.app.models.Model'>. It refers to the same Model, but with different class paths. ...
I agree that it's ugly that bad data can cause a plethora of different exceptions to be raised -- but switching to one and only one, if that is not one that was previously being raised, seems bckwards-incompatible. Am I missing something here?
There is a forms.Form on the main page (/) and a model in admin that uses the widget for a model field. Database is set to sqlite3 and STATIC/MEDIA_ROOT to folders in temporary directory. The recommended way to run selenium tests is using tox. Select the appropriate selenium driver ...