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

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: 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

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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