files.File

Model Info

Key	Value
Model Name	File
Verbose Name	file
Verbose Name Plural	files
Docstring	File(created, modified, id, version, file, size, hash, original_hash, status, datestatuschanged, strict_compatibility, approval_date, cert_serial_num, is_signed, is_experiment, is_mozilla_signed_extension, original_status, status_disabled_reason, manifest_version)
Is Abstract	False
Is Proxy	False
Is Managed	True
Ordering	[]
Permissions	[]
Default Permissions	(‘add’, ‘change’, ‘delete’, ‘view’)
Indexes	[<Index: fields=[‘created’, ‘version’] name=’created_idx’>, <Index: fields=[‘datestatuschanged’, ‘version’] name=’statuschanged_idx’>, <Index: fields=[‘status’] name=’status’>]
Constraints	[]
Database Table	files
Base Manager	objects
Default Manager	None
File	/data/olympia/src/olympia/files/models.py
Starting Line Number	87
Method Resolution Order	(<class ‘olympia.files.models.File’>, <class ‘olympia.amo.models.OnChangeMixin’>, <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
_webext_permissions	OneToOneRel		integer UNSIGNED
approval_date	DateTimeField	approval_date	datetime(6)	approval date
cert_serial_num	TextField	cert_serial_num	longtext	cert serial num
created	DateTimeField	created	datetime(6)	created
datestatuschanged	DateTimeField	datestatuschanged	datetime(6)	datestatuschanged
file	FileField	filename	varchar(255)	file
file_manifest	OneToOneRel		integer UNSIGNED
hash	CharField	hash	varchar(255)	hash
id (pk)	PositiveAutoField	id	integer UNSIGNED AUTO_INCREMENT	id
is_experiment	BooleanField	is_experiment	bool	is experiment
is_mozilla_signed_extension	BooleanField	is_mozilla_signed_extension	bool	is mozilla signed extension
is_signed	BooleanField	is_signed	bool	is signed
manifest_version	SmallIntegerField	manifest_version	smallint	manifest version
modified	DateTimeField	modified	datetime(6)	modified
original_hash	CharField	original_hash	varchar(255)	original hash
original_status	PositiveSmallIntegerField	original_status	smallint UNSIGNED	original status
size	PositiveIntegerField	size	integer UNSIGNED	size
status	PositiveSmallIntegerField	status	smallint UNSIGNED	status
status_disabled_reason	PositiveSmallIntegerField	status_disabled_reason	smallint UNSIGNED	status disabled reason
strict_compatibility	BooleanField	strict_compatibility	bool	strict compatibility
validation	OneToOneRel		integer UNSIGNED
version	OneToOneField	version_id	integer UNSIGNED	version

Relations

Field Name	Field Type	Database Column	Database Type	Related Model	Related Name
version	OneToOneField	version_id	integer UNSIGNED	versions.Version	file_set

fields_reverse_relation=[FieldReverseRelation(name=’validation’, field_type=’OneToOneRel’, field_db_type=’integer UNSIGNED’, related_model=’files.FileValidation’, field_name_on_related_model=’file’, field_type_on_related_model=’OneToOneField’), FieldReverseRelation(name=’_webext_permissions’, field_type=’OneToOneRel’, field_db_type=’integer UNSIGNED’, related_model=’files.WebextPermission’, field_name_on_related_model=’file’, field_type_on_related_model=’OneToOneField’), FieldReverseRelation(name=’file_manifest’, field_type=’OneToOneRel’, field_db_type=’integer UNSIGNED’, related_model=’files.FileManifest’, field_name_on_related_model=’file’, field_type_on_related_model=’OneToOneField’)]

Reverse Relations

Field Name	Field Type	Database Type	Related Model	Field Name on Related Model	Field Type on Related Model
_webext_permissions	OneToOneRel	integer UNSIGNED	files.WebextPermission	file	OneToOneField
file_manifest	OneToOneRel	integer UNSIGNED	files.FileManifest	file	OneToOneField
validation	OneToOneRel	integer UNSIGNED	files.FileValidation	file	OneToOneField

Methods

Other Methods

Method Name	Signature
from_upload	(upload, version, parsed_data=None)
generate_hash	(self)
get_admin_absolute_url	(self)
get_admin_url_path	(self)
get_manifest_version_display	(self, *, field=<django.db.models.fields.SmallIntegerField: manifest_version>)
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_review_status_display	(self)
get_status_disabled_reason_display	(self, *, field=<django.db.models.fields.PositiveSmallIntegerField: status_disabled_reason>)
get_status_display	(self, *, field=<django.db.models.fields.PositiveSmallIntegerField: status>)
get_unfiltered_manager	()
get_url_path	(self, attachment=False)
latest_xpi_url	(self, attachment=False)
on_change	(callback)
reload	(self)
serializable_reference	(self)
update	(self, **kwargs)

Private Methods

Method Name	Signature
_get_field_value_map	(self, meta, exclude=None)
_permissions_wrapper	(self, prop)
_reset_initial_attrs	(self, attrs=None)
_send_changes	(self, old_attr, new_attr_kw)

Custom Managers

default

Class: FileManager

*Base for all managers in AMO.

Returns BaseQuerySets.

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

Custom Methods

disabled_that_would_be_renabled_with_addon(self)

transform(self, fn)

Custom QuerySet

Class: BaseQuerySet

Represent a lazy database lookup for a set of objects.

Custom Methods

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: FileManager

*Base for all managers in AMO.

Returns BaseQuerySets.

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

Custom Methods

disabled_that_would_be_renabled_with_addon(self)

transform(self, fn)

Custom QuerySet

Class: BaseQuerySet

Represent a lazy database lookup for a set of objects.

Custom Methods

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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