Class GenericForeignKey

Provide a generic many-to-one relation through the ``content_type`` and ``object_id`` fields.

Declaration

class GenericForeignKey(FieldCacheMixin)

This class also doubles as an accessor to the related object (similar to
ForwardManyToOneDescriptor) by adding itself as a model attribute.

▷ def __get__(self, instance, cls=None)
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▷ def __init__(self, ct_field='content_type', fk_field='object_id', for_concrete_model=True)
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▷ def __set__(self, instance, value)
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▷ def __str__(self)
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▷ def check(self, **kwargs)
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▷ def contribute_to_class(self, cls, name, **kwargs)
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▶ def get_cache_name(self) override
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This method overrides django.db.models.fields.mixins.FieldCacheMixin.get_cache_name.
▷ def get_content_type(self, obj=None, id=None, using=None)
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▷ def get_filter_kwargs_for_object(self, obj)
See corresponding method on Field
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▷ def get_forward_related_filter(self, obj)
See corresponding method on RelatedField
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▷ def get_prefetch_queryset(self, instances, queryset=None)
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