tags.Tag

Model Info

Key	Value
Model Name	Tag
Verbose Name	tag
Verbose Name Plural	tags
Docstring	Tag(created, modified, id, tag_text, num_addons, enable_for_random_shelf)
Is Abstract	False
Is Proxy	False
Is Managed	True
Ordering	(‘tag_text’,)
Permissions	[]
Default Permissions	(‘add’, ‘change’, ‘delete’, ‘view’)
Indexes	[]
Constraints	[<UniqueConstraint: fields=(‘tag_text’,) name=’tag_text’>]
Database Table	tags
Base Manager	None
Default Manager	None
File	/data/olympia/src/olympia/tags/models.py
Starting Line Number	9
Method Resolution Order	(<class ‘olympia.tags.models.Tag’>, <class ‘olympia.amo.models.ModelBase’>, <class ‘olympia.amo.models.SaveUpdateMixin’>, <class ‘django.db.models.base.Model’>, <class ‘django.db.models.utils.AltersData’>, <class ‘object’>)

Fields

Field Name	Field Type	Database Column	Database Type	Verbose Name
addon_tags	ManyToOneRel		integer UNSIGNED
addons	ManyToManyField	addons	through tags.AddonTag	addons
created	DateTimeField	created	datetime(6)	created
enable_for_random_shelf	BooleanField	enable_for_random_shelf	bool	enable for random shelf
id (pk)	PositiveAutoField	id	integer UNSIGNED AUTO_INCREMENT	id
modified	DateTimeField	modified	datetime(6)	modified
num_addons	IntegerField	num_addons	integer	num addons
tag_text	CharField	tag_text	varchar(128)	tag text

Relations

Field Name	Field Type	Database Column	Database Type	Related Model	Related Name
addons	ManyToManyField	addons	through tags.AddonTag	addons.Addon	tags

fields_reverse_relation=[FieldReverseRelation(name=’addon_tags’, field_type=’ManyToOneRel’, field_db_type=’integer UNSIGNED’, related_model=’tags.AddonTag’, field_name_on_related_model=’tag’, field_type_on_related_model=’ForeignKey’)]

Reverse Relations

Field Name	Field Type	Database Type	Related Model	Field Name on Related Model	Field Type on Related Model
addon_tags	ManyToOneRel	integer UNSIGNED	tags.AddonTag	tag	ForeignKey

Methods

Other Methods

Method Name	Signature
add_tag	(self, addon)
can_reverse	(self)
get_admin_absolute_url	(self)
get_admin_url_path	(self)
get_next_by_created	(self, *, field=<django.db.models.fields.DateTimeField: created>, is_next=True, **kwargs)
get_next_by_modified	(self, *, field=<django.db.models.fields.DateTimeField: modified>, is_next=True, **kwargs)
get_previous_by_created	(self, *, field=<django.db.models.fields.DateTimeField: created>, is_next=False, **kwargs)
get_previous_by_modified	(self, *, field=<django.db.models.fields.DateTimeField: modified>, is_next=False, **kwargs)
get_unfiltered_manager	()
get_url_path	(self)
reload	(self)
remove_tag	(self, addon)
serializable_reference	(self)
update	(self, **kw)
update_stat	(self)

Private Methods

Method Name	Signature
_get_field_value_map	(self, meta, exclude=None)

Custom Managers

default

Class: ManagerBase

*Base for all managers in AMO.

Returns BaseQuerySets.

If a model has translated fields, they’ll be attached through a transform function.*

Custom Methods

transform(self, fn)

Custom QuerySet

Class: BaseQuerySet

Represent a lazy database lookup for a set of objects.

Custom Methods

get_with_primary_fallback(self, *args, **kwargs)

*Like get(), but if using a non-default database and DoesNotExist is raised, another attempt is made using the default database instead.

Intended to be used in places where replication lag could cause the object not to exist for a brief moment and forcing use of primary db at all times is undesirable.*

no_transforms(self)

only_translations(self)

Remove all transforms except translations.

optimized_count(self)

*Slightly optimized count() for cases where there is a DISTINCT in the queryset.

When a count() call is made on a queryset that has a distinct, that causes django to run the full SELECT (including all fields, distinct, ordering etc) in a subquery and then COUNT() on the result of that subquery, which is costly/innefficient. That’s tracked in https://code.djangoproject.com/ticket/30685. We can’t easily fix the fact that there is a subquery, but we can avoid selecting all fields and ordering in that subquery needlessly.*

pop_transforms(self)

transform(self, fn)

objects

Class: ManagerBase

*Base for all managers in AMO.

Returns BaseQuerySets.

If a model has translated fields, they’ll be attached through a transform function.*

Custom Methods

transform(self, fn)

Custom QuerySet

Class: BaseQuerySet

Represent a lazy database lookup for a set of objects.

Custom Methods

get_with_primary_fallback(self, *args, **kwargs)

*Like get(), but if using a non-default database and DoesNotExist is raised, another attempt is made using the default database instead.

Intended to be used in places where replication lag could cause the object not to exist for a brief moment and forcing use of primary db at all times is undesirable.*

no_transforms(self)

only_translations(self)

Remove all transforms except translations.

optimized_count(self)

*Slightly optimized count() for cases where there is a DISTINCT in the queryset.

When a count() call is made on a queryset that has a distinct, that causes django to run the full SELECT (including all fields, distinct, ordering etc) in a subquery and then COUNT() on the result of that subquery, which is costly/innefficient. That’s tracked in https://code.djangoproject.com/ticket/30685. We can’t easily fix the fact that there is a subquery, but we can avoid selecting all fields and ordering in that subquery needlessly.*

pop_transforms(self)

transform(self, fn)

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