Class cached_property

django.utils.functional.cached_property

Decorator that converts a method with a single self argument into a property cached on the instance.

Declaration

class cached_property

Documentation

A cached property can be made out of an existing method:
(e.g. ``url = cached_property(get_absolute_url)``).
The optional ``name`` argument is obsolete as of Python 3.6 and will be
deprecated in Django 4.0 (#30127).

Methods

▷ def __get__(self, instance, cls=None)
Call the function and put the return value in instance.__dict__ so that subsequent attribute access on the instance returns the cached value instead of calling cached_property.__get__().
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▷ def __init__(self, func, name=None)
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▷ def __set_name__(self, owner, name)
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Class methods

▷ def func(instance) @staticmethod
@staticmethod
def func(instance)
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Reexports

Imported in django.urls.resolvers.
Imported in django.core.paginator.
Imported in django.core.files.base.
Imported in django.core.files.storage.
Imported in django.core.handlers.wsgi.
Imported in django.core.handlers.asgi.
Imported in django.core.cache.backends.memcached.
Imported in django.core.management.commands.loaddata.
Imported in django.core.management.commands.makemessages.
Imported in django.contrib.staticfiles.management.commands.collectstatic.
Imported in django.contrib.sessions.backends.db.
Imported in django.contrib.gis.geos.libgeos.
Imported in django.contrib.gis.gdal.raster.source.
Imported in django.contrib.gis.db.backends.postgis.operations.
Imported in django.contrib.gis.db.backends.mysql.operations.
Imported in django.contrib.gis.db.backends.mysql.features.
Imported in django.contrib.gis.db.backends.spatialite.operations.
Imported in django.contrib.gis.db.backends.spatialite.features.
Imported in django.contrib.gis.db.backends.base.operations.
Imported in django.contrib.gis.db.backends.oracle.introspection.
Imported in django.contrib.gis.db.models.functions.
Imported in django.contrib.gis.db.models.aggregates.
Imported in django.contrib.postgres.indexes.
Imported in django.contrib.contenttypes.fields.
Imported in django.http.request.
Imported in django.views.generic.dates.
Imported in django.utils.autoreload.
Imported in django.db.utils.
Imported in django.db.migrations.state.
Imported in django.db.migrations.operations.models.
Imported in django.db.migrations.operations.fields.
Imported in django.db.backends.mysql.base.
Imported in django.db.backends.mysql.features.
Imported in django.db.backends.postgresql.base.
Imported in django.db.backends.postgresql.features.
Imported in django.db.backends.base.base.
Imported in django.db.backends.base.features.
Imported in django.db.backends.oracle.base.
Imported in django.db.backends.oracle.operations.
Imported in django.db.backends.oracle.features.
Imported in django.db.backends.oracle.introspection.
Imported in django.db.backends.oracle.creation.
Imported in django.db.backends.sqlite3.operations.
Imported in django.db.backends.sqlite3.features.
Imported in django.db.models.expressions.
Imported in django.db.models.query.
Imported in django.db.models.lookups.
Imported in django.db.models.options.
Imported in django.db.models.sql.query.
Imported in django.db.models.sql.compiler.
Imported in django.db.models.sql.where.
Imported in django.db.models.fields.related.
Imported in django.db.models.fields.related_descriptors.
Imported in django.db.models.fields.reverse_related.
Imported in django.db.models.fields.
Imported in django.template.utils.
Imported in django.template.engine.
Imported in django.template.backends.base.
Imported in django.template.backends.jinja2.
Imported in django.forms.formsets.
Imported in django.forms.renderers.
Imported in django.forms.boundfield.
Imported in django.forms.forms.