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d9c851abce
* Do not force django.contrib.* dependencies Fixes #428. Fixes #534. * Add one more test with contenttypes installed, but auth not
38 lines
1.7 KiB
Python
38 lines
1.7 KiB
Python
from mypy.plugin import AttributeContext
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from mypy.types import Instance
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from mypy.types import Type as MypyType
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from mypy.types import UnionType
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from mypy_django_plugin.django.context import DjangoContext
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from mypy_django_plugin.lib import helpers
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def set_auth_user_model_as_type_for_request_user(ctx: AttributeContext, django_context: DjangoContext) -> MypyType:
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if not django_context.apps_registry.is_installed("django.contrib.auth"):
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return ctx.default_attr_type
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# Imported here because django isn't properly loaded yet when module is loaded
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from django.contrib.auth.base_user import AbstractBaseUser
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from django.contrib.auth.models import AnonymousUser
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abstract_base_user_info = helpers.lookup_class_typeinfo(helpers.get_typechecker_api(ctx), AbstractBaseUser)
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anonymous_user_info = helpers.lookup_class_typeinfo(helpers.get_typechecker_api(ctx), AnonymousUser)
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# This shouldn't be able to happen, as we managed to import the models above.
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assert abstract_base_user_info is not None
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assert anonymous_user_info is not None
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if ctx.default_attr_type != UnionType([Instance(abstract_base_user_info, []), Instance(anonymous_user_info, [])]):
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# Type has been changed from the default in django-stubs.
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# I.e. HttpRequest has been subclassed and user-type overridden, so let's leave it as is.
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return ctx.default_attr_type
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auth_user_model = django_context.settings.AUTH_USER_MODEL
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user_cls = django_context.apps_registry.get_model(auth_user_model)
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user_info = helpers.lookup_class_typeinfo(helpers.get_typechecker_api(ctx), user_cls)
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if user_info is None:
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return ctx.default_attr_type
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return UnionType([Instance(user_info, []), Instance(anonymous_user_info, [])])
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