... するので、通常の ContentType.objects.get(pk=id) よりもこのメソッドを使用することをお勧めします。 get_for_model ( model , for_concrete_model = True ) [ソース] ¶ モデルクラスかモデルのインスタンスを受け取り、そのモデルを表す ContentType インスタンスを返します ... 。 for_concrete_model=False はプロキシモデルの ContentType を取得することを許可します。 get_for_models ( * models , for_concrete_models = ... ) [ソース] ¶ モデルクラスを任意の個数受け取り、モデルクラスを ContentType インスタンスにマッピングした辞書を返します。 for_concrete_models=False により、プロキシモデルの ContentType を取得できます。 get_by_natural_key ( app_label , model ) [ソース] ¶ 与え ... ... するので、通常の ContentType.objects.get(pk=id) よりもこのメソッドを使用することをお勧めします。 get_for_model ( model , for_concrete_model = True ) [ソース] ¶ モデルクラスかモデルのインスタンスを受け取り、そのモデルを表す ContentType インスタンスを返します ... 。 for_concrete_model=False はプロキシモデルの ContentType を取得することを許可します。 get_for_models ( * models , for_concrete_models = ... ) [ソース] ¶ モデルクラスを任意の個数受け取り、モデルクラスを ContentType インスタンスにマッピングした辞書を返します。 for_concrete_models=False により、プロキシモデルの ContentType を取得できます。 get_by_natural_key ( app_label , model ) [ソース] ¶ 与え ... ... ビュー パターン model 属性 アプリケーション Model template ソフトウェア 固有 property クエリ スラグ spring 仕方 用語集 具象 concrete 抽象 abstract 通常 カラム クイック検索 Last update: 2026年10月09日 « previous | up | next » ... ... the interactive shell. Added a warning to dumpdata if a proxy model is specified (which results in no output) without its concrete parent. The new BaseCommand.requires_migrations_checks attribute may be set to True if you want your command to print a wa ... s now dispatch their migration plan and apps . モデル ¶ Reverse foreign keys from proxy models are now propagated to their concrete class. The reverse relation attached by a ForeignKey pointing to a proxy model is now accessible as a descriptor on the pr ... jango 1.10, the get_fields() method returned different reverse fields when called on a proxy model compared to its proxied concrete class. This inconsistency was fixed by returning the full set of fields pointing to a concrete class or one of its proxies ... ... the interactive shell. Added a warning to dumpdata if a proxy model is specified (which results in no output) without its concrete parent. The new BaseCommand.requires_migrations_checks attribute may be set to True if you want your command to print a wa ... s now dispatch their migration plan and apps . モデル ¶ Reverse foreign keys from proxy models are now propagated to their concrete class. The reverse relation attached by a ForeignKey pointing to a proxy model is now accessible as a descriptor on the pr ... jango 1.10, the get_fields() method returned different reverse fields when called on a proxy model compared to its proxied concrete class. This inconsistency was fixed by returning the full set of fields pointing to a concrete class or one of its proxies ... ... Permissions for proxy models are now created using the content type of the proxy model rather than the content type of the concrete model. A migration will update existing permissions when you run migrate . In the admin, the change is transparent for pro ... xy models having the same app_label as their concrete model. However, in older versions, users with permissions for a proxy model with a different app_label than its concrete m ... ermission strings must be updated to use their own app_label . For example, for app.MyProxyModel inheriting from other_app.ConcreteModel , update user.has_perm('other_app.add_myproxymodel') to user.has_perm('app.add_myproxymodel') . Merging of form Media ... ... Permissions for proxy models are now created using the content type of the proxy model rather than the content type of the concrete model. A migration will update existing permissions when you run migrate . In the admin, the change is transparent for pro ... xy models having the same app_label as their concrete model. However, in older versions, users with permissions for a proxy model with a different app_label than its concrete m ... ermission strings must be updated to use their own app_label . For example, for app.MyProxyModel inheriting from other_app.ConcreteModel , update user.has_perm('other_app.add_myproxymodel') to user.has_perm('app.add_myproxymodel') . Merging of form Media ... ... ContentTypeManager.get_for_model() and ContentTypeManager.get_for_models() have a new keyword argument – respectively for_concrete_model and for_concrete_models . By passing False using this argument it is now possible to retrieve the ContentType associ ... nagers on abstract models ¶ Abstract models are able to define a custom manager, and that manager will be inherited by any concrete models extending the abstract model . However, if you try to use the abstract model to call a method on the manager, an ex ... ... ContentTypeManager.get_for_model() and ContentTypeManager.get_for_models() have a new keyword argument – respectively for_concrete_model and for_concrete_models . By passing False using this argument it is now possible to retrieve the ContentType associ ... nagers on abstract models ¶ Abstract models are able to define a custom manager, and that manager will be inherited by any concrete models extending the abstract model . However, if you try to use the abstract model to call a method on the manager, an ex ... ... Fixed a duplicate operation regression in Django 4.0 that caused a migration crash when altering a primary key type for a concrete parent model referenced by a foreign key ( #33462 ). Fixed a bug in Django 4.0 that caused a crash of QuerySet.aggregate() ... 2026年10月08日