categories.models.CategoryRelation

CategoryRelation

class categories.models.CategoryRelation(*args, **kwargs)

Related category item.

Parameters:

• id (AutoField) – Primary key: ID

• object_id (PositiveIntegerField) – Object id

• relation_type (CharField) – Relation type. A generic text field to tag a relation, like ‘leadphoto’.

• content_object (GenericForeignKey) – Generic foreign key to the ContentType specified in content_type

Relationship fields:

Parameters:

• category (ForeignKey to Category) – Category (related name: categoryrelation)

• content_type (ForeignKey to ContentType) – Content type (related name: categoryrelation)

Methods

check(**kwargs)
clean()	Hook for doing any extra model-wide validation after clean() has been called on every field by self.clean_fields.
clean_fields([exclude])	Clean all fields and raise a ValidationError containing a dict of all validation errors if any occur.
date_error_message(lookup_type, field_name, ...)
delete([using, keep_parents])
from_db(db, field_names, values)
full_clean([exclude, validate_unique])	Call clean_fields(), clean(), and validate_unique() on the model.
get_deferred_fields()	Return a set containing names of deferred fields for this instance.
prepare_database_save(field)
refresh_from_db([using, fields])	Reload field values from the database.
save([force_insert, force_update, using, ...])	Save the current instance.
save_base([raw, force_insert, force_update, ...])	Handle the parts of saving which should be done only once per save, yet need to be done in raw saves, too.
serializable_value(field_name)	Return the value of the field name for this instance.
unique_error_message(model_class, unique_check)
validate_unique([exclude])	Check unique constraints on the model and raise ValidationError if any failed.

Attributes

category	Type: ForeignKey to Category
category_id	Internal field, use category instead.
content_object	Provide a generic many-to-one relation through the content_type and object_id fields.
content_type	Type: ForeignKey to ContentType
content_type_id	Internal field, use content_type instead.
id	Type: AutoField
object_id	Type: PositiveIntegerField
objects
pk
relation_type	Type: CharField