diff options
| author | Simon Charette <charettes@users.noreply.github.com> | 2017-01-19 02:39:46 -0500 |
|---|---|---|
| committer | Claude Paroz <claude@2xlibre.net> | 2017-01-19 08:39:46 +0100 |
| commit | cecc079168e8669138728d31611ff3a1e7eb3a9f (patch) | |
| tree | 2415083d44f84c6f206930fc689a8c0e50a98caa /django | |
| parent | a5563963397aeee30c32e3c1dab31bfe453ca89f (diff) | |
Refs #23919 -- Stopped inheriting from object to define new style classes.
Diffstat (limited to 'django')
171 files changed, 283 insertions, 285 deletions
diff --git a/django/apps/config.py b/django/apps/config.py index edb1146afc..024643a645 100644 --- a/django/apps/config.py +++ b/django/apps/config.py @@ -8,7 +8,7 @@ from django.utils.module_loading import module_has_submodule MODELS_MODULE_NAME = 'models' -class AppConfig(object): +class AppConfig: """ Class representing a Django application and its configuration. """ diff --git a/django/apps/registry.py b/django/apps/registry.py index c67c5ee0ba..870c454067 100644 --- a/django/apps/registry.py +++ b/django/apps/registry.py @@ -10,7 +10,7 @@ from django.core.exceptions import AppRegistryNotReady, ImproperlyConfigured from .config import AppConfig -class Apps(object): +class Apps: """ A registry that stores the configuration of installed applications. diff --git a/django/conf/__init__.py b/django/conf/__init__.py index f99236a778..ec6efa8e96 100644 --- a/django/conf/__init__.py +++ b/django/conf/__init__.py @@ -97,7 +97,7 @@ class LazySettings(LazyObject): return self._wrapped is not empty -class Settings(object): +class Settings: def __init__(self, settings_module): # update this dict from global settings (but only for ALL_CAPS settings) for setting in dir(global_settings): @@ -150,7 +150,7 @@ class Settings(object): } -class UserSettingsHolder(object): +class UserSettingsHolder: """ Holder for user configured settings. """ diff --git a/django/contrib/admin/checks.py b/django/contrib/admin/checks.py index 33c60a3ab8..354d0a3a9c 100644 --- a/django/contrib/admin/checks.py +++ b/django/contrib/admin/checks.py @@ -62,7 +62,7 @@ def check_dependencies(**kwargs): return errors -class BaseModelAdminChecks(object): +class BaseModelAdminChecks: def check(self, admin_obj, **kwargs): errors = [] diff --git a/django/contrib/admin/filters.py b/django/contrib/admin/filters.py index 87839c3130..923caa33e9 100644 --- a/django/contrib/admin/filters.py +++ b/django/contrib/admin/filters.py @@ -18,7 +18,7 @@ from django.utils.encoding import force_text from django.utils.translation import ugettext_lazy as _ -class ListFilter(object): +class ListFilter: title = None # Human-readable title to appear in the right sidebar. template = 'admin/filter.html' diff --git a/django/contrib/admin/helpers.py b/django/contrib/admin/helpers.py index 628788b3fa..17aac7a85b 100644 --- a/django/contrib/admin/helpers.py +++ b/django/contrib/admin/helpers.py @@ -31,7 +31,7 @@ class ActionForm(forms.Form): checkbox = forms.CheckboxInput({'class': 'action-select'}, lambda value: False) -class AdminForm(object): +class AdminForm: def __init__(self, form, fieldsets, prepopulated_fields, readonly_fields=None, model_admin=None): self.form, self.fieldsets = form, fieldsets self.prepopulated_fields = [{ @@ -68,7 +68,7 @@ class AdminForm(object): return media -class Fieldset(object): +class Fieldset: def __init__(self, form, name=None, readonly_fields=(), fields=(), classes=(), description=None, model_admin=None): self.form = form @@ -95,7 +95,7 @@ class Fieldset(object): yield Fieldline(self.form, field, self.readonly_fields, model_admin=self.model_admin) -class Fieldline(object): +class Fieldline: def __init__(self, form, field, readonly_fields=None, model_admin=None): self.form = form # A django.forms.Form instance if not hasattr(field, "__iter__") or isinstance(field, str): @@ -126,7 +126,7 @@ class Fieldline(object): ) -class AdminField(object): +class AdminField: def __init__(self, form, field, is_first): self.field = form[field] # A django.forms.BoundField instance self.is_first = is_first # Whether this field is first on the line @@ -155,7 +155,7 @@ class AdminField(object): return mark_safe(self.field.errors.as_ul()) -class AdminReadonlyField(object): +class AdminReadonlyField: def __init__(self, form, field, is_first, model_admin=None): # Make self.field look a little bit like a field. This means that # {{ field.name }} must be a useful class name to identify the field. @@ -223,7 +223,7 @@ class AdminReadonlyField(object): return conditional_escape(result_repr) -class InlineAdminFormSet(object): +class InlineAdminFormSet: """ A wrapper around an inline formset for use in the admin system. """ diff --git a/django/contrib/admin/sites.py b/django/contrib/admin/sites.py index 14b0da7df4..6adf13fdb8 100644 --- a/django/contrib/admin/sites.py +++ b/django/contrib/admin/sites.py @@ -26,7 +26,7 @@ class NotRegistered(Exception): pass -class AdminSite(object): +class AdminSite: """ An AdminSite object encapsulates an instance of the Django admin application, ready to be hooked in to your URLconf. Models are registered with the AdminSite using the diff --git a/django/contrib/admin/views/main.py b/django/contrib/admin/views/main.py index 81facb9b82..20bce0c8d6 100644 --- a/django/contrib/admin/views/main.py +++ b/django/contrib/admin/views/main.py @@ -34,7 +34,7 @@ IGNORED_PARAMS = ( ALL_VAR, ORDER_VAR, ORDER_TYPE_VAR, SEARCH_VAR, IS_POPUP_VAR, TO_FIELD_VAR) -class ChangeList(object): +class ChangeList: def __init__(self, request, model, list_display, list_display_links, list_filter, date_hierarchy, search_fields, list_select_related, list_per_page, list_max_show_all, list_editable, model_admin): diff --git a/django/contrib/auth/backends.py b/django/contrib/auth/backends.py index 08a20c61ff..e0fbd21b38 100644 --- a/django/contrib/auth/backends.py +++ b/django/contrib/auth/backends.py @@ -4,7 +4,7 @@ from django.contrib.auth.models import Permission UserModel = get_user_model() -class ModelBackend(object): +class ModelBackend: """ Authenticates against settings.AUTH_USER_MODEL. """ diff --git a/django/contrib/auth/context_processors.py b/django/contrib/auth/context_processors.py index ce1e42d574..f865fc1b7d 100644 --- a/django/contrib/auth/context_processors.py +++ b/django/contrib/auth/context_processors.py @@ -2,7 +2,7 @@ # the template system can understand. -class PermLookupDict(object): +class PermLookupDict: def __init__(self, user, app_label): self.user, self.app_label = user, app_label @@ -24,7 +24,7 @@ class PermLookupDict(object): return type(self).__bool__(self) -class PermWrapper(object): +class PermWrapper: def __init__(self, user): self.user = user diff --git a/django/contrib/auth/hashers.py b/django/contrib/auth/hashers.py index 871519257a..0446cf501f 100644 --- a/django/contrib/auth/hashers.py +++ b/django/contrib/auth/hashers.py @@ -162,7 +162,7 @@ def mask_hash(hash, show=6, char="*"): return masked -class BasePasswordHasher(object): +class BasePasswordHasher: """ Abstract base class for password hashers diff --git a/django/contrib/auth/mixins.py b/django/contrib/auth/mixins.py index c52b573658..e52311670f 100644 --- a/django/contrib/auth/mixins.py +++ b/django/contrib/auth/mixins.py @@ -5,7 +5,7 @@ from django.core.exceptions import ImproperlyConfigured, PermissionDenied from django.utils.encoding import force_text -class AccessMixin(object): +class AccessMixin: """ Abstract CBV mixin that gives access mixins the same customizable functionality. diff --git a/django/contrib/auth/models.py b/django/contrib/auth/models.py index 9eaf7a6e34..bd185b58be 100644 --- a/django/contrib/auth/models.py +++ b/django/contrib/auth/models.py @@ -372,7 +372,7 @@ class User(AbstractUser): swappable = 'AUTH_USER_MODEL' -class AnonymousUser(object): +class AnonymousUser: id = None pk = None username = '' diff --git a/django/contrib/auth/password_validation.py b/django/contrib/auth/password_validation.py index dee1ebf674..a7319dbd52 100644 --- a/django/contrib/auth/password_validation.py +++ b/django/contrib/auth/password_validation.py @@ -90,7 +90,7 @@ def _password_validators_help_text_html(password_validators=None): password_validators_help_text_html = lazy(_password_validators_help_text_html, str) -class MinimumLengthValidator(object): +class MinimumLengthValidator: """ Validate whether the password is of a minimum length. """ @@ -117,7 +117,7 @@ class MinimumLengthValidator(object): ) % {'min_length': self.min_length} -class UserAttributeSimilarityValidator(object): +class UserAttributeSimilarityValidator: """ Validate whether the password is sufficiently different from the user's attributes. @@ -159,7 +159,7 @@ class UserAttributeSimilarityValidator(object): return _("Your password can't be too similar to your other personal information.") -class CommonPasswordValidator(object): +class CommonPasswordValidator: """ Validate whether the password is a common password. @@ -192,7 +192,7 @@ class CommonPasswordValidator(object): return _("Your password can't be a commonly used password.") -class NumericPasswordValidator(object): +class NumericPasswordValidator: """ Validate whether the password is alphanumeric. """ diff --git a/django/contrib/auth/tokens.py b/django/contrib/auth/tokens.py index 18ff42f192..f508327d94 100644 --- a/django/contrib/auth/tokens.py +++ b/django/contrib/auth/tokens.py @@ -5,7 +5,7 @@ from django.utils.crypto import constant_time_compare, salted_hmac from django.utils.http import base36_to_int, int_to_base36 -class PasswordResetTokenGenerator(object): +class PasswordResetTokenGenerator: """ Strategy object used to generate and check tokens for the password reset mechanism. diff --git a/django/contrib/auth/views.py b/django/contrib/auth/views.py index bf95d11a10..cca52a6105 100644 --- a/django/contrib/auth/views.py +++ b/django/contrib/auth/views.py @@ -31,7 +31,7 @@ from django.views.generic.edit import FormView UserModel = get_user_model() -class SuccessURLAllowedHostsMixin(object): +class SuccessURLAllowedHostsMixin: success_url_allowed_hosts = set() def get_success_url_allowed_hosts(self): @@ -352,7 +352,7 @@ def password_reset_complete(request, # prompts for a new password # - PasswordResetCompleteView shows a success message for the above -class PasswordContextMixin(object): +class PasswordContextMixin: extra_context = None def get_context_data(self, **kwargs): diff --git a/django/contrib/contenttypes/fields.py b/django/contrib/contenttypes/fields.py index d2812e5d2a..efffbfd77a 100644 --- a/django/contrib/contenttypes/fields.py +++ b/django/contrib/contenttypes/fields.py @@ -15,7 +15,7 @@ from django.utils.encoding import force_text from django.utils.functional import cached_property -class GenericForeignKey(object): +class GenericForeignKey: """ Provide a generic many-to-one relation through the ``content_type`` and ``object_id`` fields. diff --git a/django/contrib/gis/db/backends/base/adapter.py b/django/contrib/gis/db/backends/base/adapter.py index 9b12c4320c..b9b05c4472 100644 --- a/django/contrib/gis/db/backends/base/adapter.py +++ b/django/contrib/gis/db/backends/base/adapter.py @@ -1,4 +1,4 @@ -class WKTAdapter(object): +class WKTAdapter: """ This provides an adaptor for Geometries sent to the MySQL and Oracle database backends. diff --git a/django/contrib/gis/db/backends/base/features.py b/django/contrib/gis/db/backends/base/features.py index 5ca2881330..85faba2d42 100644 --- a/django/contrib/gis/db/backends/base/features.py +++ b/django/contrib/gis/db/backends/base/features.py @@ -3,7 +3,7 @@ import re from django.contrib.gis.db.models import aggregates -class BaseSpatialFeatures(object): +class BaseSpatialFeatures: gis_enabled = True # Does the database contain a SpatialRefSys model to store SRID information? diff --git a/django/contrib/gis/db/backends/base/models.py b/django/contrib/gis/db/backends/base/models.py index 8388a27f25..89c89a7348 100644 --- a/django/contrib/gis/db/backends/base/models.py +++ b/django/contrib/gis/db/backends/base/models.py @@ -1,7 +1,7 @@ from django.contrib.gis import gdal -class SpatialRefSysMixin(object): +class SpatialRefSysMixin: """ The SpatialRefSysMixin is a class used by the database-dependent SpatialRefSys objects to reduce redundant code. diff --git a/django/contrib/gis/db/backends/base/operations.py b/django/contrib/gis/db/backends/base/operations.py index 436a703e3e..23989da9fc 100644 --- a/django/contrib/gis/db/backends/base/operations.py +++ b/django/contrib/gis/db/backends/base/operations.py @@ -1,4 +1,4 @@ -class BaseSpatialOperations(object): +class BaseSpatialOperations: """ This module holds the base `BaseSpatialBackend` object, which is instantiated by each spatial database backend with the features diff --git a/django/contrib/gis/db/backends/postgis/adapter.py b/django/contrib/gis/db/backends/postgis/adapter.py index c94268811b..84ec5bfae9 100644 --- a/django/contrib/gis/db/backends/postgis/adapter.py +++ b/django/contrib/gis/db/backends/postgis/adapter.py @@ -8,7 +8,7 @@ from django.contrib.gis.db.backends.postgis.pgraster import to_pgraster from django.contrib.gis.geometry.backend import Geometry -class PostGISAdapter(object): +class PostGISAdapter: def __init__(self, obj, geography=False): """ Initialize on the spatial object. diff --git a/django/contrib/gis/db/backends/utils.py b/django/contrib/gis/db/backends/utils.py index 9c3b700852..d479009d4e 100644 --- a/django/contrib/gis/db/backends/utils.py +++ b/django/contrib/gis/db/backends/utils.py @@ -4,7 +4,7 @@ backends. """ -class SpatialOperator(object): +class SpatialOperator: """ Class encapsulating the behavior specific to a GIS operation (used by lookups). """ diff --git a/django/contrib/gis/db/models/fields.py b/django/contrib/gis/db/models/fields.py index 6435dc4077..101975ed87 100644 --- a/django/contrib/gis/db/models/fields.py +++ b/django/contrib/gis/db/models/fields.py @@ -48,7 +48,7 @@ def get_srid_info(srid, connection): return _srid_cache[alias][srid] -class GeoSelectFormatMixin(object): +class GeoSelectFormatMixin: def select_format(self, compiler, sql, params): """ Returns the selection format string, depending on the requirements diff --git a/django/contrib/gis/db/models/functions.py b/django/contrib/gis/db/models/functions.py index 77628afa34..0a5c14f7a7 100644 --- a/django/contrib/gis/db/models/functions.py +++ b/django/contrib/gis/db/models/functions.py @@ -100,7 +100,7 @@ class GeoFuncWithGeoParam(GeoFunc): super(GeoFuncWithGeoParam, self).__init__(expression, GeomValue(geom), *expressions, **extra) -class SQLiteDecimalToFloatMixin(object): +class SQLiteDecimalToFloatMixin: """ By default, Decimal values are converted to str by the SQLite backend, which is not acceptable by the GIS functions expecting numeric values. @@ -112,7 +112,7 @@ class SQLiteDecimalToFloatMixin(object): return super(SQLiteDecimalToFloatMixin, self).as_sql(compiler, connection) -class OracleToleranceMixin(object): +class OracleToleranceMixin: tolerance = 0.05 def as_oracle(self, compiler, connection): @@ -230,7 +230,7 @@ class Difference(OracleToleranceMixin, GeoFuncWithGeoParam): arity = 2 -class DistanceResultMixin(object): +class DistanceResultMixin: def source_is_geography(self): return self.get_source_fields()[0].geography and self.srid == 4326 diff --git a/django/contrib/gis/db/models/sql/conversion.py b/django/contrib/gis/db/models/sql/conversion.py index 054628d481..ed414ca76e 100644 --- a/django/contrib/gis/db/models/sql/conversion.py +++ b/django/contrib/gis/db/models/sql/conversion.py @@ -9,7 +9,7 @@ from django.contrib.gis.geometry.backend import Geometry from django.contrib.gis.measure import Area, Distance -class BaseField(object): +class BaseField: empty_strings_allowed = True def get_db_converters(self, connection): diff --git a/django/contrib/gis/feeds.py b/django/contrib/gis/feeds.py index 4240968f19..807a313bf4 100644 --- a/django/contrib/gis/feeds.py +++ b/django/contrib/gis/feeds.py @@ -2,7 +2,7 @@ from django.contrib.syndication.views import Feed as BaseFeed from django.utils.feedgenerator import Atom1Feed, Rss201rev2Feed -class GeoFeedMixin(object): +class GeoFeedMixin: """ This mixin provides the necessary routines for SyndicationFeed subclasses to produce simple GeoRSS or W3C Geo elements. diff --git a/django/contrib/gis/gdal/envelope.py b/django/contrib/gis/gdal/envelope.py index 64cac5baa0..e7c7e3dde1 100644 --- a/django/contrib/gis/gdal/envelope.py +++ b/django/contrib/gis/gdal/envelope.py @@ -27,7 +27,7 @@ class OGREnvelope(Structure): ] -class Envelope(object): +class Envelope: """ The Envelope object is a C structure that contains the minimum and maximum X, Y coordinates for a rectangle bounding box. The naming diff --git a/django/contrib/gis/gdal/geomtype.py b/django/contrib/gis/gdal/geomtype.py index 37539c8544..e727d495fb 100644 --- a/django/contrib/gis/gdal/geomtype.py +++ b/django/contrib/gis/gdal/geomtype.py @@ -1,7 +1,7 @@ from django.contrib.gis.gdal.error import GDALException -class OGRGeomType(object): +class OGRGeomType: "Encapsulates OGR Geometry Types." wkb25bit = -2147483648 diff --git a/django/contrib/gis/geoip2/base.py b/django/contrib/gis/geoip2/base.py index 1d1e2e00dc..5f8abfc008 100644 --- a/django/contrib/gis/geoip2/base.py +++ b/django/contrib/gis/geoip2/base.py @@ -21,7 +21,7 @@ class GeoIP2Exception(Exception): pass -class GeoIP2(object): +class GeoIP2: # The flags for GeoIP memory caching. # Try MODE_MMAP_EXT, MODE_MMAP, MODE_FILE in that order. MODE_AUTO = 0 diff --git a/django/contrib/gis/geos/geometry.py b/django/contrib/gis/geos/geometry.py index e015fdc3d5..2ff4037764 100644 --- a/django/contrib/gis/geos/geometry.py +++ b/django/contrib/gis/geos/geometry.py @@ -656,7 +656,7 @@ class GEOSGeometry(GEOSBase, ListMixin): return GEOSGeometry(capi.geom_clone(self.ptr), srid=self.srid) -class LinearGeometryMixin(object): +class LinearGeometryMixin: """ Used for LineString and MultiLineString. """ diff --git a/django/contrib/gis/geos/libgeos.py b/django/contrib/gis/geos/libgeos.py index 48532d5c53..faf29de0c1 100644 --- a/django/contrib/gis/geos/libgeos.py +++ b/django/contrib/gis/geos/libgeos.py @@ -139,7 +139,7 @@ def get_pointer_arr(n): lgeos = SimpleLazyObject(load_geos) -class GEOSFuncFactory(object): +class GEOSFuncFactory: """ Lazy loading of GEOS functions. """ diff --git a/django/contrib/gis/geos/mutable_list.py b/django/contrib/gis/geos/mutable_list.py index 082f3b161a..d6e36db31a 100644 --- a/django/contrib/gis/geos/mutable_list.py +++ b/django/contrib/gis/geos/mutable_list.py @@ -12,7 +12,7 @@ from functools import total_ordering @total_ordering -class ListMixin(object): +class ListMixin: """ A base class which provides complete list interface. Derived classes must call ListMixin's __init__() function diff --git a/django/contrib/gis/geos/prototypes/threadsafe.py b/django/contrib/gis/geos/prototypes/threadsafe.py index a293671b5f..606b8f5aec 100644 --- a/django/contrib/gis/geos/prototypes/threadsafe.py +++ b/django/contrib/gis/geos/prototypes/threadsafe.py @@ -28,7 +28,7 @@ class GEOSContext(threading.local): thread_context = GEOSContext() -class GEOSFunc(object): +class GEOSFunc: """ Class that serves as a wrapper for GEOS C Functions, and will use thread-safe function variants when available. diff --git a/django/contrib/gis/measure.py b/django/contrib/gis/measure.py index a9b9e8a75f..bc426b597b 100644 --- a/django/contrib/gis/measure.py +++ b/django/contrib/gis/measure.py @@ -49,7 +49,7 @@ def pretty_name(obj): @total_ordering -class MeasureBase(object): +class MeasureBase: STANDARD_UNIT = None ALIAS = {} UNITS = {} diff --git a/django/contrib/gis/ptr.py b/django/contrib/gis/ptr.py index 7d6a21a12f..afc83fdd22 100644 --- a/django/contrib/gis/ptr.py +++ b/django/contrib/gis/ptr.py @@ -1,7 +1,7 @@ from ctypes import c_void_p -class CPointerBase(object): +class CPointerBase: """ Base class for objects that have a pointer access property that controls access to the underlying C pointer. diff --git a/django/contrib/gis/serializers/geojson.py b/django/contrib/gis/serializers/geojson.py index 1b50ee30d8..3a4c0c87bf 100644 --- a/django/contrib/gis/serializers/geojson.py +++ b/django/contrib/gis/serializers/geojson.py @@ -65,6 +65,6 @@ class Serializer(JSONSerializer): super(Serializer, self).handle_field(obj, field) -class Deserializer(object): +class Deserializer: def __init__(self, *args, **kwargs): raise SerializerDoesNotExist("geojson is a serialization-only serializer") diff --git a/django/contrib/gis/utils/layermapping.py b/django/contrib/gis/utils/layermapping.py index a10e9bbeb8..9093ae84d6 100644 --- a/django/contrib/gis/utils/layermapping.py +++ b/django/contrib/gis/utils/layermapping.py @@ -45,7 +45,7 @@ class MissingForeignKey(LayerMapError): pass -class LayerMapping(object): +class LayerMapping: "A class that maps OGR Layers to GeoDjango Models." # Acceptable 'base' types for a multi-geometry type. diff --git a/django/contrib/messages/storage/base.py b/django/contrib/messages/storage/base.py index 66cd41684b..28c81599a7 100644 --- a/django/contrib/messages/storage/base.py +++ b/django/contrib/messages/storage/base.py @@ -5,7 +5,7 @@ from django.utils.encoding import force_text LEVEL_TAGS = utils.get_level_tags() -class Message(object): +class Message: """ Represents an actual message that can be stored in any of the supported storage classes (typically session- or cookie-based) and rendered in a view @@ -51,7 +51,7 @@ class Message(object): return force_text(LEVEL_TAGS.get(self.level, ''), strings_only=True) -class BaseStorage(object): +class BaseStorage: """ This is the base backend for temporary message storage. diff --git a/django/contrib/messages/views.py b/django/contrib/messages/views.py index 3c2ca355ba..adb3f194b9 100644 --- a/django/contrib/messages/views.py +++ b/django/contrib/messages/views.py @@ -1,7 +1,7 @@ from django.contrib import messages -class SuccessMessageMixin(object): +class SuccessMessageMixin: """ Adds a success message on successful form submission. """ diff --git a/django/contrib/postgres/fields/array.py b/django/contrib/postgres/fields/array.py index dc5b9b8d6b..ce4c7b8c3d 100644 --- a/django/contrib/postgres/fields/array.py +++ b/django/contrib/postgres/fields/array.py @@ -264,7 +264,7 @@ class IndexTransform(Transform): return self.base_field -class IndexTransformFactory(object): +class IndexTransformFactory: def __init__(self, index, base_field): self.index = index @@ -286,7 +286,7 @@ class SliceTransform(Transform): return '%s[%s:%s]' % (lhs, self.start, self.end), params -class SliceTransformFactory(object): +class SliceTransformFactory: def __init__(self, start, end): self.start = start diff --git a/django/contrib/postgres/fields/hstore.py b/django/contrib/postgres/fields/hstore.py index fcd212bc4a..5e2e6c3155 100644 --- a/django/contrib/postgres/fields/hstore.py +++ b/django/contrib/postgres/fields/hstore.py @@ -88,7 +88,7 @@ class KeyTransform(Transform): return "(%s -> '%s')" % (lhs, self.key_name), params -class KeyTransformFactory(object): +class KeyTransformFactory: def __init__(self, key_name): self.key_name = key_name diff --git a/django/contrib/postgres/fields/jsonb.py b/django/contrib/postgres/fields/jsonb.py index 0722a05a69..43997050fe 100644 --- a/django/contrib/postgres/fields/jsonb.py +++ b/django/contrib/postgres/fields/jsonb.py @@ -118,7 +118,7 @@ class KeyTextTransform(KeyTransform): _output_field = TextField() -class KeyTransformTextLookupMixin(object): +class KeyTransformTextLookupMixin: """ Mixin for combining with a lookup expecting a text lhs from a JSONField key lookup. Make use of the ->> operator instead of casting key values to @@ -174,7 +174,7 @@ KeyTransform.register_lookup(KeyTransformRegex) KeyTransform.register_lookup(KeyTransformIRegex) -class KeyTransformFactory(object): +class KeyTransformFactory: def __init__(self, key_name): self.key_name = key_name diff --git a/django/contrib/postgres/fields/utils.py b/django/contrib/postgres/fields/utils.py index 424a78f521..82da93e892 100644 --- a/django/contrib/postgres/fields/utils.py +++ b/django/contrib/postgres/fields/utils.py @@ -1,3 +1,3 @@ -class AttributeSetter(object): +class AttributeSetter: def __init__(self, name, value): setattr(self, name, value) diff --git a/django/contrib/postgres/search.py b/django/contrib/postgres/search.py index fb2f41b524..bc9bb1052b 100644 --- a/django/contrib/postgres/search.py +++ b/django/contrib/postgres/search.py @@ -33,7 +33,7 @@ class SearchQueryField(Field): return 'tsquery' -class SearchVectorCombinable(object): +class SearchVectorCombinable: ADD = '||' def _combine(self, other, connector, reversed, node=None): @@ -92,7 +92,7 @@ class CombinedSearchVector(SearchVectorCombinable, CombinedExpression): super(CombinedSearchVector, self).__init__(lhs, connector, rhs, output_field) -class SearchQueryCombinable(object): +class SearchQueryCombinable: BITAND = '&&' BITOR = '||' diff --git a/django/contrib/postgres/validators.py b/django/contrib/postgres/validators.py index 756ae73440..a1aef12015 100644 --- a/django/contrib/postgres/validators.py +++ b/django/contrib/postgres/validators.py @@ -24,7 +24,7 @@ class ArrayMinLengthValidator(MinLengthValidator): @deconstructible -class KeysValidator(object): +class KeysValidator: """A validator designed for HStore to require/restrict keys.""" messages = { diff --git a/django/contrib/sessions/backends/base.py b/django/contrib/sessions/backends/base.py index 615eea45d2..009efe94e1 100644 --- a/django/contrib/sessions/backends/base.py +++ b/django/contrib/sessions/backends/base.py @@ -33,7 +33,7 @@ class UpdateError(Exception): pass -class SessionBase(object): +class SessionBase: """ Base class for all Session classes. """ diff --git a/django/contrib/sessions/serializers.py b/django/contrib/sessions/serializers.py index 1badd17f46..1df6d9c49e 100644 --- a/django/contrib/sessions/serializers.py +++ b/django/contrib/sessions/serializers.py @@ -3,7 +3,7 @@ import pickle from django.core.signing import JSONSerializer as BaseJSONSerializer -class PickleSerializer(object): +class PickleSerializer: """ Simple wrapper around pickle to be used in signing.dumps and signing.loads. diff --git a/django/contrib/sitemaps/__init__.py b/django/contrib/sitemaps/__init__.py index 6e30a30f09..71d36e6a3c 100644 --- a/django/contrib/sitemaps/__init__.py +++ b/django/contrib/sitemaps/__init__.py @@ -50,7 +50,7 @@ def _get_sitemap_full_url(sitemap_url): return 'http://%s%s' % (current_site.domain, sitemap_url) -class Sitemap(object): +class Sitemap: # This limit is defined by Google. See the index documentation at # http://www.sitemaps.org/protocol.html#index. limit = 50000 diff --git a/django/contrib/sites/requests.py b/django/contrib/sites/requests.py index c5513d8358..cdf57321da 100644 --- a/django/contrib/sites/requests.py +++ b/django/contrib/sites/requests.py @@ -1,4 +1,4 @@ -class RequestSite(object): +class RequestSite: """ A class that shares the primary interface of Site (i.e., it has ``domain`` and ``name`` attributes) but gets its data from a Django diff --git a/django/contrib/staticfiles/finders.py b/django/contrib/staticfiles/finders.py index 96dd705050..08b25181bc 100644 --- a/django/contrib/staticfiles/finders.py +++ b/django/contrib/staticfiles/finders.py @@ -17,7 +17,7 @@ from django.utils.module_loading import import_string searched_locations = [] -class BaseFinder(object): +class BaseFinder: """ A base file finder to be used for custom staticfiles finder classes. """ diff --git a/django/contrib/staticfiles/storage.py b/django/contrib/staticfiles/storage.py index fe4a7c39f7..46b751b094 100644 --- a/django/contrib/staticfiles/storage.py +++ b/django/contrib/staticfiles/storage.py @@ -47,7 +47,7 @@ class StaticFilesStorage(FileSystemStorage): return super(StaticFilesStorage, self).path(name) -class HashedFilesMixin(object): +class HashedFilesMixin: default_template = """url("%s")""" max_post_process_passes = 5 patterns = ( @@ -434,7 +434,7 @@ class ManifestFilesMixin(HashedFilesMixin): return urlunsplit(unparsed_name) -class _MappingCache(object): +class _MappingCache: """ A small dict-like wrapper for a given cache backend instance. """ diff --git a/django/contrib/syndication/views.py b/django/contrib/syndication/views.py index 2cfe930338..8104d6104b 100644 --- a/django/contrib/syndication/views.py +++ b/django/contrib/syndication/views.py @@ -26,7 +26,7 @@ class FeedDoesNotExist(ObjectDoesNotExist): pass -class Feed(object): +class Feed: feed_type = feedgenerator.DefaultFeed title_template = None description_template = None diff --git a/django/core/cache/__init__.py b/django/core/cache/__init__.py index 2b253b1077..d51c1cb38e 100644 --- a/django/core/cache/__init__.py +++ b/django/core/cache/__init__.py @@ -55,7 +55,7 @@ def _create_cache(backend, **kwargs): return backend_cls(location, params) -class CacheHandler(object): +class CacheHandler: """ A Cache Handler to manage access to Cache instances. @@ -88,7 +88,7 @@ class CacheHandler(object): caches = CacheHandler() -class DefaultCacheProxy(object): +class DefaultCacheProxy: """ Proxy access to the default Cache object's attributes. diff --git a/django/core/cache/backends/base.py b/django/core/cache/backends/base.py index 856316b400..2d5b0634a1 100644 --- a/django/core/cache/backends/base.py +++ b/django/core/cache/backends/base.py @@ -47,7 +47,7 @@ def get_key_func(key_func): return default_key_func -class BaseCache(object): +class BaseCache: def __init__(self, params): timeout = params.get('timeout', params.get('TIMEOUT', 300)) if timeout is not None: diff --git a/django/core/cache/backends/db.py b/django/core/cache/backends/db.py index 97f307e24d..50d897b621 100644 --- a/django/core/cache/backends/db.py +++ b/django/core/cache/backends/db.py @@ -10,7 +10,7 @@ from django.utils import timezone from django.utils.encoding import force_bytes -class Options(object): +class Options: """A class that will quack like a Django model _meta class. This allows cache operations to be controlled by the router @@ -33,7 +33,7 @@ class BaseDatabaseCache(BaseCache): BaseCache.__init__(self, params) self._table = table - class CacheEntry(object): + class CacheEntry: _meta = Options(table) self.cache_model_class = CacheEntry diff --git a/django/core/checks/messages.py b/django/core/checks/messages.py index 5bb292503f..0c44d35095 100644 --- a/django/core/checks/messages.py +++ b/django/core/checks/messages.py @@ -8,7 +8,7 @@ ERROR = 40 CRITICAL = 50 -class CheckMessage(object): +class CheckMessage: def __init__(self, level, msg, hint=None, obj=None, id=None): assert isinstance(level, int), "The first argument should be level." diff --git a/django/core/checks/registry.py b/django/core/checks/registry.py index 4a2b358dc8..581783ad0b 100644 --- a/django/core/checks/registry.py +++ b/django/core/checks/registry.py @@ -3,7 +3,7 @@ from itertools import chain from django.utils.itercompat import is_iterable -class Tags(object): +class Tags: """ Built-in tags for internal checks. """ @@ -18,7 +18,7 @@ class Tags(object): urls = 'urls' -class CheckRegistry(object): +class CheckRegistry: def __init__(self): self.registered_checks = [] diff --git a/django/core/files/storage.py b/django/core/files/storage.py index cf17eea339..6f2d6bfd91 100644 --- a/django/core/files/storage.py +++ b/django/core/files/storage.py @@ -20,7 +20,7 @@ from django.utils.text import get_valid_filename __all__ = ('Storage', 'FileSystemStorage', 'DefaultStorage', 'default_storage') -class Storage(object): +class Storage: """ A base storage class, providing some default behaviors that all other storage systems can inherit or override, as necessary. diff --git a/django/core/files/uploadhandler.py b/django/core/files/uploadhandler.py index 3741f372b2..e8f87845c9 100644 --- a/django/core/files/uploadhandler.py +++ b/django/core/files/uploadhandler.py @@ -58,7 +58,7 @@ class StopFutureHandlers(UploadFileException): pass -class FileUploadHandler(object): +class FileUploadHandler: """ Base class for streaming upload handlers. """ diff --git a/django/core/files/utils.py b/django/core/files/utils.py index 8e891bf23f..96bfbe46c2 100644 --- a/django/core/files/utils.py +++ b/django/core/files/utils.py @@ -1,4 +1,4 @@ -class FileProxyMixin(object): +class FileProxyMixin: """ A mixin class used to forward file methods to an underlaying file object. The internal file object has to be called "file":: diff --git a/django/core/handlers/base.py b/django/core/handlers/base.py index c45023d129..9b79439569 100644 --- a/django/core/handlers/base.py +++ b/django/core/handlers/base.py @@ -12,7 +12,7 @@ from .exception import convert_exception_to_response, get_exception_response logger = logging.getLogger('django.request') -class BaseHandler(object): +class BaseHandler: def __init__(self): self._request_middleware = None diff --git a/django/core/handlers/wsgi.py b/django/core/handlers/wsgi.py index f4d3e6553a..69b5f1c54d 100644 --- a/django/core/handlers/wsgi.py +++ b/django/core/handlers/wsgi.py @@ -19,7 +19,7 @@ ISO_8859_1, UTF_8 = str('iso-8859-1'), str('utf-8') _slashes_re = re.compile(br'/+') -class LimitedStream(object): +class LimitedStream: ''' LimitedStream wraps another stream in order to not allow reading from it past specified amount of bytes. diff --git a/django/core/mail/backends/base.py b/django/core/mail/backends/base.py index 4914f479b9..e0d2e3626b 100644 --- a/django/core/mail/backends/base.py +++ b/django/core/mail/backends/base.py @@ -1,7 +1,7 @@ """Base email backend class.""" -class BaseEmailBackend(object): +class BaseEmailBackend: """ Base class for email backend implementations. diff --git a/django/core/mail/message.py b/django/core/mail/message.py index 117f2dddfc..f8fd6c2d25 100644 --- a/django/core/mail/message.py +++ b/django/core/mail/message.py @@ -223,7 +223,7 @@ class SafeMIMEMultipart(MIMEMixin, MIMEMultipart): MIMEMultipart.__setitem__(self, name, val) -class EmailMessage(object): +class EmailMessage: """ A container for email information. """ diff --git a/django/core/mail/utils.py b/django/core/mail/utils.py index 9295759fad..d18dfe4667 100644 --- a/django/core/mail/utils.py +++ b/django/core/mail/utils.py @@ -7,7 +7,7 @@ import socket # Cache the hostname, but do it lazily: socket.getfqdn() can take a couple of # seconds, which slows down the restart of the server. -class CachedDnsName(object): +class CachedDnsName: def __str__(self): return self.get_fqdn() diff --git a/django/core/management/__init__.py b/django/core/management/__init__.py index 0200f77e7d..1b59dac686 100644 --- a/django/core/management/__init__.py +++ b/django/core/management/__init__.py @@ -129,7 +129,7 @@ def call_command(command_name, *args, **options): return command.execute(*args, **defaults) -class ManagementUtility(object): +class ManagementUtility: """ Encapsulates the logic of the django-admin and manage.py utilities. diff --git a/django/core/management/base.py b/django/core/management/base.py index 192d529ef0..ae8c6731c9 100644 --- a/django/core/management/base.py +++ b/django/core/management/base.py @@ -73,7 +73,7 @@ def handle_default_options(options): sys.path.insert(0, options.pythonpath) -class OutputWrapper(object): +class OutputWrapper: """ Wrapper around stdout/stderr """ @@ -107,7 +107,7 @@ class OutputWrapper(object): self._out.write(force_str(style_func(msg))) -class BaseCommand(object): +class BaseCommand: """ The base class from which all management commands ultimately derive. diff --git a/django/core/management/color.py b/django/core/management/color.py index 76985420cb..4519d29025 100644 --- a/django/core/management/color.py +++ b/django/core/management/color.py @@ -24,7 +24,7 @@ def supports_color(): return True -class Style(object): +class Style: pass diff --git a/django/core/management/commands/makemessages.py b/django/core/management/commands/makemessages.py index dc505173b1..830b6efe05 100644 --- a/django/core/management/commands/makemessages.py +++ b/django/core/management/commands/makemessages.py @@ -36,7 +36,7 @@ def check_programs(*programs): @total_ordering -class TranslatableFile(object): +class TranslatableFile: def __init__(self, dirpath, file_name, locale_dir): self.file = file_name self.dirpath = dirpath @@ -59,7 +59,7 @@ class TranslatableFile(object): return os.path.join(self.dirpath, self.file) -class BuildFile(object): +class BuildFile: """ Represents the state of a translatable file during the build process. """ diff --git a/django/core/paginator.py b/django/core/paginator.py index 82aad33a15..abc29b3603 100644 --- a/django/core/paginator.py +++ b/django/core/paginator.py @@ -22,7 +22,7 @@ class EmptyPage(InvalidPage): pass -class Paginator(object): +class Paginator: def __init__(self, object_list, per_page, orphans=0, allow_empty_first_page=True): diff --git a/django/core/serializers/__init__.py b/django/core/serializers/__init__.py index 57d149cf0c..3d0ed9a13f 100644 --- a/django/core/serializers/__init__.py +++ b/django/core/serializers/__init__.py @@ -33,7 +33,7 @@ BUILTIN_SERIALIZERS = { _serializers = {} -class BadSerializer(object): +class BadSerializer: """ Stub serializer to hold exception raised during registration @@ -71,7 +71,7 @@ def register_serializer(format, serializer_module, serializers=None): except ImportError as exc: bad_serializer = BadSerializer(exc) - module = type('BadSerializerModule', (object,), { + module = type('BadSerializerModule', (), { 'Deserializer': bad_serializer, 'Serializer': bad_serializer, }) diff --git a/django/core/serializers/base.py b/django/core/serializers/base.py index bd35c0b797..d1a5344064 100644 --- a/django/core/serializers/base.py +++ b/django/core/serializers/base.py @@ -28,7 +28,7 @@ class DeserializationError(Exception): return cls("%s: (%s:pk=%s) field_value was '%s'" % (original_exc, model, fk, field_value)) -class ProgressBar(object): +class ProgressBar: progress_width = 75 def __init__(self, output, total_count): @@ -51,7 +51,7 @@ class ProgressBar(object): self.output.flush() -class Serializer(object): +class Serializer: """ Abstract serializer base class. """ @@ -182,7 +182,7 @@ class Deserializer: raise NotImplementedError('subclasses of Deserializer must provide a __next__() method') -class DeserializedObject(object): +class DeserializedObject: """ A deserialized model. diff --git a/django/core/servers/basehttp.py b/django/core/servers/basehttp.py index da55eac58d..0b76b14f04 100644 --- a/django/core/servers/basehttp.py +++ b/django/core/servers/basehttp.py @@ -60,7 +60,7 @@ def is_broken_pipe_error(): return issubclass(exc_type, socket.error) and exc_value.args[0] == 32 -class WSGIServer(simple_server.WSGIServer, object): +class WSGIServer(simple_server.WSGIServer): """BaseHTTPServer that implements the Python WSGI protocol""" request_queue_size = 10 @@ -84,14 +84,14 @@ class WSGIServer(simple_server.WSGIServer, object): # Inheriting from object required on Python 2. -class ServerHandler(simple_server.ServerHandler, object): +class ServerHandler(simple_server.ServerHandler): def handle_error(self): # Ignore broken pipe errors, otherwise pass on if not is_broken_pipe_error(): super(ServerHandler, self).handle_error() -class WSGIRequestHandler(simple_server.WSGIRequestHandler, object): +class WSGIRequestHandler(simple_server.WSGIRequestHandler): def address_string(self): # Short-circuit parent method to not call socket.getfqdn return self.client_address[0] diff --git a/django/core/signing.py b/django/core/signing.py index f578da6f99..811d23396f 100644 --- a/django/core/signing.py +++ b/django/core/signing.py @@ -82,7 +82,7 @@ def get_cookie_signer(salt='django.core.signing.get_cookie_signer'): return Signer(b'django.http.cookies' + key, salt=salt) -class JSONSerializer(object): +class JSONSerializer: """ Simple wrapper around json to be used in signing.dumps and signing.loads. @@ -147,7 +147,7 @@ def loads(s, key=None, salt='django.core.signing', serializer=JSONSerializer, ma return serializer().loads(data) -class Signer(object): +class Signer: def __init__(self, key=None, sep=':', salt=None): # Use of native strings in all versions of Python diff --git a/django/core/validators.py b/django/core/validators.py index 1bb2478129..715d81bdba 100644 --- a/django/core/validators.py +++ b/django/core/validators.py @@ -26,7 +26,7 @@ def _lazy_re_compile(regex, flags=0): @deconstructible -class RegexValidator(object): +class RegexValidator: regex = '' message = _('Enter a valid value.') code = 'invalid' @@ -162,7 +162,7 @@ def validate_integer(value): @deconstructible -class EmailValidator(object): +class EmailValidator: message = _('Enter a valid email address.') code = 'invalid' user_regex = _lazy_re_compile( @@ -305,7 +305,7 @@ validate_comma_separated_integer_list = int_list_validator( @deconstructible -class BaseValidator(object): +class BaseValidator: message = _('Ensure this value is %(limit_value)s (it is %(show_value)s).') code = 'limit_value' @@ -384,7 +384,7 @@ class MaxLengthValidator(BaseValidator): @deconstructible -class DecimalValidator(object): +class DecimalValidator: """ Validate that the input does not exceed the maximum number of digits expected, otherwise raise ValidationError. @@ -453,7 +453,7 @@ class DecimalValidator(object): @deconstructible -class FileExtensionValidator(object): +class FileExtensionValidator: message = _( "File extension '%(extension)s' is not allowed. " "Allowed extensions are: '%(allowed_extensions)s'." diff --git a/django/db/__init__.py b/django/db/__init__.py index a00dc788dc..5708c1c5de 100644 --- a/django/db/__init__.py +++ b/django/db/__init__.py @@ -23,7 +23,7 @@ router = ConnectionRouter() # that the database backends care about. # We load all these up for backwards compatibility, you should use # connections['default'] instead. -class DefaultConnectionProxy(object): +class DefaultConnectionProxy: """ Proxy for accessing the default DatabaseWrapper object's attributes. If you need to access the DatabaseWrapper object itself, use diff --git a/django/db/backends/base/base.py b/django/db/backends/base/base.py index ea976519ec..d255bf3e0f 100644 --- a/django/db/backends/base/base.py +++ b/django/db/backends/base/base.py @@ -21,7 +21,7 @@ from django.utils.functional import cached_property NO_DB_ALIAS = '__no_db__' -class BaseDatabaseWrapper(object): +class BaseDatabaseWrapper: """ Represents a database connection. """ diff --git a/django/db/backends/base/client.py b/django/db/backends/base/client.py index aced8e7ebd..69e061b4e9 100644 --- a/django/db/backends/base/client.py +++ b/django/db/backends/base/client.py @@ -1,4 +1,4 @@ -class BaseDatabaseClient(object): +class BaseDatabaseClient: """ This class encapsulates all backend-specific methods for opening a client shell. diff --git a/django/db/backends/base/creation.py b/django/db/backends/base/creation.py index cf3e6c3347..a291f43f55 100644 --- a/django/db/backends/base/creation.py +++ b/django/db/backends/base/creation.py @@ -11,7 +11,7 @@ from django.db import router TEST_DATABASE_PREFIX = 'test_' -class BaseDatabaseCreation(object): +class BaseDatabaseCreation: """ This class encapsulates all backend-specific differences that pertain to creation and destruction of the test database. diff --git a/django/db/backends/base/features.py b/django/db/backends/base/features.py index dfcb719eae..8f9fbdcfea 100644 --- a/django/db/backends/base/features.py +++ b/django/db/backends/base/features.py @@ -3,7 +3,7 @@ from django.db.utils import ProgrammingError from django.utils.functional import cached_property -class BaseDatabaseFeatures(object): +class BaseDatabaseFeatures: gis_enabled = False allows_group_by_pk = False allows_group_by_selected_pks = False diff --git a/django/db/backends/base/introspection.py b/django/db/backends/base/introspection.py index 55fffb993e..07f1312356 100644 --- a/django/db/backends/base/introspection.py +++ b/django/db/backends/base/introspection.py @@ -7,7 +7,7 @@ TableInfo = namedtuple('TableInfo', ['name', 'type']) FieldInfo = namedtuple('FieldInfo', 'name type_code display_size internal_size precision scale null_ok default') -class BaseDatabaseIntrospection(object): +class BaseDatabaseIntrospection: """ This class encapsulates all backend-specific introspection utilities """ diff --git a/django/db/backends/base/operations.py b/django/db/backends/base/operations.py index 6f1248efc1..22beb0d417 100644 --- a/django/db/backends/base/operations.py +++ b/django/db/backends/base/operations.py @@ -10,7 +10,7 @@ from django.utils.dateparse import parse_duration from django.utils.encoding import force_text -class BaseDatabaseOperations(object): +class BaseDatabaseOperations: """ This class encapsulates all backend-specific differences, such as the way a backend performs ordering or calculates the ID of a recently-inserted diff --git a/django/db/backends/base/schema.py b/django/db/backends/base/schema.py index 6cb6826a7f..70edc05183 100644 --- a/django/db/backends/base/schema.py +++ b/django/db/backends/base/schema.py @@ -19,7 +19,7 @@ def _related_non_m2m_objects(old_field, new_field): ) -class BaseDatabaseSchemaEditor(object): +class BaseDatabaseSchemaEditor: """ This class (and its subclasses) are responsible for emitting schema-changing statements to the databases - model creation/removal/alteration, field diff --git a/django/db/backends/base/validation.py b/django/db/backends/base/validation.py index 23761b4161..d8a05aceaf 100644 --- a/django/db/backends/base/validation.py +++ b/django/db/backends/base/validation.py @@ -1,4 +1,4 @@ -class BaseDatabaseValidation(object): +class BaseDatabaseValidation: """ This class encapsulates all backend-specific validation. """ diff --git a/django/db/backends/mysql/base.py b/django/db/backends/mysql/base.py index f674687ff1..3239ba104f 100644 --- a/django/db/backends/mysql/base.py +++ b/django/db/backends/mysql/base.py @@ -69,7 +69,7 @@ server_version_re = re.compile(r'(\d{1,2})\.(\d{1,2})\.(\d{1,2})') # standard backend_utils.CursorDebugWrapper can be used. Also, using sql_mode # TRADITIONAL will automatically cause most warnings to be treated as errors. -class CursorWrapper(object): +class CursorWrapper: """ A thin wrapper around MySQLdb's normal cursor class so that we can catch particular exception instances and reraise them with the right types. diff --git a/django/db/backends/oracle/base.py b/django/db/backends/oracle/base.py index 257dab0b9d..7e3591f60c 100644 --- a/django/db/backends/oracle/base.py +++ b/django/db/backends/oracle/base.py @@ -59,7 +59,7 @@ from .schema import DatabaseSchemaEditor # NOQA isort:skip from .utils import Oracle_datetime # NOQA isort:skip -class _UninitializedOperatorsDescriptor(object): +class _UninitializedOperatorsDescriptor: def __get__(self, instance, cls=None): # If connection.operators is looked up before a connection has been @@ -306,7 +306,7 @@ class DatabaseWrapper(BaseDatabaseWrapper): return None -class OracleParam(object): +class OracleParam: """ Wrapper object for formatting parameters for Oracle. If the string representation of the value is large enough (greater than 4000 characters) @@ -351,7 +351,7 @@ class OracleParam(object): self.input_size = None -class VariableWrapper(object): +class VariableWrapper: """ An adapter class for cursor variables that prevents the wrapped object from being converted into a string when used to instantiate an OracleParam. @@ -375,7 +375,7 @@ class VariableWrapper(object): setattr(self.var, key, value) -class FormatStylePlaceholderCursor(object): +class FormatStylePlaceholderCursor: """ Django uses "format" (e.g. '%s') style placeholders, but Oracle uses ":var" style. This fixes it -- but note that if you want to use a literal "%s" in diff --git a/django/db/backends/oracle/utils.py b/django/db/backends/oracle/utils.py index e89a9b70cb..f958655f94 100644 --- a/django/db/backends/oracle/utils.py +++ b/django/db/backends/oracle/utils.py @@ -3,7 +3,7 @@ import datetime from .base import Database -class InsertIdVar(object): +class InsertIdVar: """ A late-binding cursor variable that can be passed to Cursor.execute as a parameter, in order to receive the id of the row created by an diff --git a/django/db/backends/sqlite3/introspection.py b/django/db/backends/sqlite3/introspection.py index 7d24ca6f26..730793879d 100644 --- a/django/db/backends/sqlite3/introspection.py +++ b/django/db/backends/sqlite3/introspection.py @@ -18,7 +18,7 @@ def get_field_size(name): # This light wrapper "fakes" a dictionary interface, because some SQLite data # types include variables in them -- e.g. "varchar(30)" -- and can't be matched # as a simple dictionary lookup. -class FlexibleFieldLookupDict(object): +class FlexibleFieldLookupDict: # Maps SQL types to Django Field types. Some of the SQL types have multiple # entries here because SQLite allows for anything and doesn't normalize the # field type; it uses whatever was given. diff --git a/django/db/backends/utils.py b/django/db/backends/utils.py index b72840e989..f6cb59a086 100644 --- a/django/db/backends/utils.py +++ b/django/db/backends/utils.py @@ -11,7 +11,7 @@ from django.utils.timezone import utc logger = logging.getLogger('django.db.backends') -class CursorWrapper(object): +class CursorWrapper: def __init__(self, cursor, db): self.cursor = cursor self.db = db diff --git a/django/db/migrations/autodetector.py b/django/db/migrations/autodetector.py index d2b6f6d497..b8ac6c942b 100644 --- a/django/db/migrations/autodetector.py +++ b/django/db/migrations/autodetector.py @@ -16,7 +16,7 @@ from django.db.migrations.utils import ( from .topological_sort import stable_topological_sort -class MigrationAutodetector(object): +class MigrationAutodetector: """ Takes a pair of ProjectStates, and compares them to see what the first would need doing to make it match the second (the second diff --git a/django/db/migrations/executor.py b/django/db/migrations/executor.py index a590a0aca3..13ae9a68a1 100644 --- a/django/db/migrations/executor.py +++ b/django/db/migrations/executor.py @@ -7,7 +7,7 @@ from .recorder import MigrationRecorder from .state import ProjectState -class MigrationExecutor(object): +class MigrationExecutor: """ End-to-end migration execution - loads migrations, and runs them up or down to a specified set of targets. diff --git a/django/db/migrations/graph.py b/django/db/migrations/graph.py index 1729aa7b7a..1d144d7d25 100644 --- a/django/db/migrations/graph.py +++ b/django/db/migrations/graph.py @@ -18,7 +18,7 @@ RECURSION_DEPTH_WARNING = ( @total_ordering -class Node(object): +class Node: """ A single node in the migration graph. Contains direct links to adjacent nodes in either direction. @@ -100,7 +100,7 @@ class DummyNode(Node): raise NodeNotFoundError(self.error_message, self.key, origin=self.origin) -class MigrationGraph(object): +class MigrationGraph: """ Represents the digraph of all migrations in a project. diff --git a/django/db/migrations/loader.py b/django/db/migrations/loader.py index 492ad145fd..1237a37c26 100644 --- a/django/db/migrations/loader.py +++ b/django/db/migrations/loader.py @@ -16,7 +16,7 @@ from .exceptions import ( MIGRATIONS_MODULE_NAME = 'migrations' -class MigrationLoader(object): +class MigrationLoader: """ Loads migration files from disk, and their status from the database. diff --git a/django/db/migrations/migration.py b/django/db/migrations/migration.py index 5b6bb647c9..eb0bfa8b37 100644 --- a/django/db/migrations/migration.py +++ b/django/db/migrations/migration.py @@ -3,7 +3,7 @@ from django.db.transaction import atomic from .exceptions import IrreversibleError -class Migration(object): +class Migration: """ The base class for all migrations. diff --git a/django/db/migrations/operations/base.py b/django/db/migrations/operations/base.py index f5acf9f3a8..8e1f02d7ca 100644 --- a/django/db/migrations/operations/base.py +++ b/django/db/migrations/operations/base.py @@ -1,7 +1,7 @@ from django.db import router -class Operation(object): +class Operation: """ Base class for migration operations. diff --git a/django/db/migrations/optimizer.py b/django/db/migrations/optimizer.py index ca7f9db600..9948d5b4bb 100644 --- a/django/db/migrations/optimizer.py +++ b/django/db/migrations/optimizer.py @@ -1,4 +1,4 @@ -class MigrationOptimizer(object): +class MigrationOptimizer: """ Powers the optimization process, where you provide a list of Operations and you are returned a list of equal or shorter length - operations diff --git a/django/db/migrations/questioner.py b/django/db/migrations/questioner.py index caae498337..f1bc664828 100644 --- a/django/db/migrations/questioner.py +++ b/django/db/migrations/questioner.py @@ -9,7 +9,7 @@ from django.utils import datetime_safe, timezone from .loader import MigrationLoader -class MigrationQuestioner(object): +class MigrationQuestioner: """ Gives the autodetector responses to questions it might have. This base class has a built-in noninteractive mode, but the diff --git a/django/db/migrations/recorder.py b/django/db/migrations/recorder.py index 7824228c97..1c4adea1f2 100644 --- a/django/db/migrations/recorder.py +++ b/django/db/migrations/recorder.py @@ -6,7 +6,7 @@ from django.utils.timezone import now from .exceptions import MigrationSchemaMissing -class MigrationRecorder(object): +class MigrationRecorder: """ Deals with storing migration records in the database. diff --git a/django/db/migrations/serializer.py b/django/db/migrations/serializer.py index 4786e7b012..9e5d74afb9 100644 --- a/django/db/migrations/serializer.py +++ b/django/db/migrations/serializer.py @@ -24,7 +24,7 @@ except ImportError: enum = None -class BaseSerializer(object): +class BaseSerializer: def __init__(self, value): self.value = value diff --git a/django/db/migrations/state.py b/django/db/migrations/state.py index 6699b77713..c0eb583374 100644 --- a/django/db/migrations/state.py +++ b/django/db/migrations/state.py @@ -80,7 +80,7 @@ def get_related_models_recursive(model): return seen - {(model._meta.app_label, model._meta.model_name)} -class ProjectState(object): +class ProjectState: """ Represents the entire project's overall state. This is the item that is passed around - we do it here rather than at the @@ -356,7 +356,7 @@ class StateApps(Apps): pass -class ModelState(object): +class ModelState: """ Represents a Django Model. We don't use the actual Model class as it's not designed to have its options changed - instead, we diff --git a/django/db/migrations/utils.py b/django/db/migrations/utils.py index b54d7ed120..8939794e59 100644 --- a/django/db/migrations/utils.py +++ b/django/db/migrations/utils.py @@ -4,7 +4,7 @@ import re COMPILED_REGEX_TYPE = type(re.compile('')) -class RegexObject(object): +class RegexObject: def __init__(self, obj): self.pattern = obj.pattern self.flags = obj.flags diff --git a/django/db/migrations/writer.py b/django/db/migrations/writer.py index ae51a1f0d9..be0fece25e 100644 --- a/django/db/migrations/writer.py +++ b/django/db/migrations/writer.py @@ -34,7 +34,7 @@ class SettingsReference(str): self.setting_name = setting_name -class OperationWriter(object): +class OperationWriter: def __init__(self, operation, indentation=2): self.operation = operation self.buff = [] @@ -134,7 +134,7 @@ class OperationWriter(object): return '\n'.join(self.buff) -class MigrationWriter(object): +class MigrationWriter: """ Takes a Migration instance and is able to produce the contents of the migration file from it. diff --git a/django/db/models/base.py b/django/db/models/base.py index 4ee7aa0349..8cba12bb6e 100644 --- a/django/db/models/base.py +++ b/django/db/models/base.py @@ -33,7 +33,7 @@ from django.utils.translation import ugettext_lazy as _ from django.utils.version import get_version -class Deferred(object): +class Deferred: def __repr__(self): return str('<Deferred field>') @@ -371,7 +371,7 @@ class ModelBase(type): return cls._meta.default_manager -class ModelState(object): +class ModelState: """ A class for storing instance state """ diff --git a/django/db/models/deletion.py b/django/db/models/deletion.py index 0793475e65..b0c61d1799 100644 --- a/django/db/models/deletion.py +++ b/django/db/models/deletion.py @@ -60,7 +60,7 @@ def get_candidate_relations_to_delete(opts): ) -class Collector(object): +class Collector: def __init__(self, using): self.using = using # Initially, {model: {instances}}, later values become lists. diff --git a/django/db/models/expressions.py b/django/db/models/expressions.py index 960435f169..de60a160e0 100644 --- a/django/db/models/expressions.py +++ b/django/db/models/expressions.py @@ -8,7 +8,7 @@ from django.db.models.query_utils import Q from django.utils.functional import cached_property -class Combinable(object): +class Combinable: """ Provides the ability to combine one or two objects with some connector. For example F('foo') + F('bar'). @@ -123,7 +123,7 @@ class Combinable(object): ) -class BaseExpression(object): +class BaseExpression: """ Base class for all query expressions. """ diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py index 3ac04effc7..26b0bb2378 100644 --- a/django/db/models/fields/__init__.py +++ b/django/db/models/fields/__init__.py @@ -46,7 +46,7 @@ __all__ = [str(x) for x in ( )] -class Empty(object): +class Empty: pass @@ -1088,7 +1088,7 @@ class CommaSeparatedIntegerField(CharField): } -class DateTimeCheckMixin(object): +class DateTimeCheckMixin: def check(self, **kwargs): errors = super(DateTimeCheckMixin, self).check(**kwargs) @@ -2003,7 +2003,7 @@ class NullBooleanField(Field): return super(NullBooleanField, self).formfield(**defaults) -class PositiveIntegerRelDbTypeMixin(object): +class PositiveIntegerRelDbTypeMixin: def rel_db_type(self, connection): """ diff --git a/django/db/models/fields/files.py b/django/db/models/fields/files.py index 38dda4c1df..1235f65730 100644 --- a/django/db/models/fields/files.py +++ b/django/db/models/fields/files.py @@ -131,7 +131,7 @@ class FieldFile(File): return {'name': self.name, 'closed': False, '_committed': True, '_file': None} -class FileDescriptor(object): +class FileDescriptor: """ The descriptor for the file attribute on the model instance. Returns a FieldFile when accessed so you can do stuff like:: diff --git a/django/db/models/fields/related.py b/django/db/models/fields/related.py index b5dd0a2d14..bc447452f3 100644 --- a/django/db/models/fields/related.py +++ b/django/db/models/fields/related.py @@ -1023,7 +1023,7 @@ def create_many_to_many_intermediary_model(field, klass): to = 'to_%s' % to from_ = 'from_%s' % from_ - meta = type(str('Meta'), (object,), { + meta = type(str('Meta'), (), { 'db_table': field._get_m2m_db_table(klass._meta), 'auto_created': klass, 'app_label': klass._meta.app_label, diff --git a/django/db/models/fields/related_descriptors.py b/django/db/models/fields/related_descriptors.py index 696dc6f749..dda455800b 100644 --- a/django/db/models/fields/related_descriptors.py +++ b/django/db/models/fields/related_descriptors.py @@ -71,7 +71,7 @@ from django.db.models.query import QuerySet from django.utils.functional import cached_property -class ForwardManyToOneDescriptor(object): +class ForwardManyToOneDescriptor: """ Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation. @@ -275,7 +275,7 @@ class ForwardOneToOneDescriptor(ForwardManyToOneDescriptor): return super(ForwardOneToOneDescriptor, self).get_object(instance) -class ReverseOneToOneDescriptor(object): +class ReverseOneToOneDescriptor: """ Accessor to the related object on the reverse side of a one-to-one relation. @@ -435,7 +435,7 @@ class ReverseOneToOneDescriptor(object): setattr(value, self.related.field.get_cache_name(), instance) -class ReverseManyToOneDescriptor(object): +class ReverseManyToOneDescriptor: """ Accessor to the related objects manager on the reverse side of a many-to-one relation. diff --git a/django/db/models/fields/related_lookups.py b/django/db/models/fields/related_lookups.py index bb3194ecd7..bc80c7cb02 100644 --- a/django/db/models/fields/related_lookups.py +++ b/django/db/models/fields/related_lookups.py @@ -4,7 +4,7 @@ from django.db.models.lookups import ( ) -class MultiColSource(object): +class MultiColSource: contains_aggregate = False def __init__(self, alias, targets, sources, field): @@ -94,7 +94,7 @@ class RelatedIn(In): return super(RelatedIn, self).as_sql(compiler, connection) -class RelatedLookupMixin(object): +class RelatedLookupMixin: def get_prep_lookup(self): if not isinstance(self.lhs, MultiColSource) and self.rhs_is_direct_value(): # If we get here, we are dealing with single-column relations. diff --git a/django/db/models/fields/reverse_related.py b/django/db/models/fields/reverse_related.py index 1b706ba6ea..4e835e8302 100644 --- a/django/db/models/fields/reverse_related.py +++ b/django/db/models/fields/reverse_related.py @@ -16,7 +16,7 @@ from django.utils.functional import cached_property from . import BLANK_CHOICE_DASH -class ForeignObjectRel(object): +class ForeignObjectRel: """ Used by ForeignObject to store information about the relation. diff --git a/django/db/models/functions/datetime.py b/django/db/models/functions/datetime.py index 269b829e43..8bfd8cafef 100644 --- a/django/db/models/functions/datetime.py +++ b/django/db/models/functions/datetime.py @@ -11,7 +11,7 @@ from django.utils import timezone from django.utils.functional import cached_property -class TimezoneMixin(object): +class TimezoneMixin: tzinfo = None def get_tzname(self): diff --git a/django/db/models/indexes.py b/django/db/models/indexes.py index 27390ccc18..03aa06fa52 100644 --- a/django/db/models/indexes.py +++ b/django/db/models/indexes.py @@ -8,7 +8,7 @@ __all__ = [str('Index')] MAX_NAME_LENGTH = 30 -class Index(object): +class Index: suffix = 'idx' def __init__(self, fields=[], name=None): diff --git a/django/db/models/lookups.py b/django/db/models/lookups.py index 4b09143661..1536ecdc63 100644 --- a/django/db/models/lookups.py +++ b/django/db/models/lookups.py @@ -12,7 +12,7 @@ from django.db.models.query_utils import RegisterLookupMixin from django.utils.functional import cached_property -class Lookup(object): +class Lookup: lookup_name = None prepare_rhs = True @@ -173,7 +173,7 @@ class BuiltinLookup(Lookup): return connection.operators[self.lookup_name] % rhs -class FieldGetDbPrepValueMixin(object): +class FieldGetDbPrepValueMixin: """ Some lookups require Field.get_db_prep_value() to be called on their inputs. @@ -284,7 +284,7 @@ class LessThanOrEqual(FieldGetDbPrepValueMixin, BuiltinLookup): lookup_name = 'lte' -class IntegerFieldFloatRounding(object): +class IntegerFieldFloatRounding: """ Allow floats to work as query values for IntegerField. Without this, the decimal portion of the float would always be discarded. @@ -305,7 +305,7 @@ class IntegerLessThan(IntegerFieldFloatRounding, LessThan): pass -class DecimalComparisonLookup(object): +class DecimalComparisonLookup: def as_sqlite(self, compiler, connection): lhs_sql, params = self.process_lhs(compiler, connection) rhs_sql, rhs_params = self.process_rhs(compiler, connection) diff --git a/django/db/models/manager.py b/django/db/models/manager.py index bb3d61b083..2680f69986 100644 --- a/django/db/models/manager.py +++ b/django/db/models/manager.py @@ -6,7 +6,7 @@ from django.db import router from django.db.models.query import QuerySet -class BaseManager(object): +class BaseManager: # Tracks each time a Manager instance is created. Used to retain order. creation_counter = 0 @@ -168,7 +168,7 @@ class Manager(BaseManager.from_queryset(QuerySet)): pass -class ManagerDescriptor(object): +class ManagerDescriptor: def __init__(self, manager): self.manager = manager diff --git a/django/db/models/options.py b/django/db/models/options.py index 7594b70fb2..8f5603ada4 100644 --- a/django/db/models/options.py +++ b/django/db/models/options.py @@ -66,7 +66,7 @@ def make_immutable_fields_list(name, data): return ImmutableList(data, warning=IMMUTABLE_WARNING % name) -class Options(object): +class Options: FORWARD_PROPERTIES = { 'fields', 'many_to_many', 'concrete_fields', 'local_concrete_fields', '_forward_fields_map', 'managers', 'managers_map', 'base_manager', diff --git a/django/db/models/query.py b/django/db/models/query.py index 1c20d9cbf6..b536521fa4 100644 --- a/django/db/models/query.py +++ b/django/db/models/query.py @@ -32,7 +32,7 @@ REPR_OUTPUT_SIZE = 20 EmptyResultSet = sql.EmptyResultSet -class BaseIterable(object): +class BaseIterable: def __init__(self, queryset, chunked_fetch=False): self.queryset = queryset self.chunked_fetch = chunked_fetch @@ -152,7 +152,7 @@ class FlatValuesListIterable(BaseIterable): yield row[0] -class QuerySet(object): +class QuerySet: """ Represents a lazy database lookup for a set of objects. """ @@ -1180,7 +1180,7 @@ class EmptyQuerySet(metaclass=InstanceCheckMeta): raise TypeError("EmptyQuerySet can't be instantiated") -class RawQuerySet(object): +class RawQuerySet: """ Provides an iterator which converts the results of raw SQL queries into annotated model instances. @@ -1298,7 +1298,7 @@ class RawQuerySet(object): return model_fields -class Prefetch(object): +class Prefetch: def __init__(self, lookup, queryset=None, to_attr=None): # `prefetch_through` is the path we traverse to perform the prefetch. self.prefetch_through = lookup @@ -1623,7 +1623,7 @@ def prefetch_one_level(instances, prefetcher, lookup, level): return all_related_objects, additional_lookups -class RelatedPopulator(object): +class RelatedPopulator: """ RelatedPopulator is used for select_related() object instantiation. diff --git a/django/db/models/query_utils.py b/django/db/models/query_utils.py index 03d133e724..54088b4fbb 100644 --- a/django/db/models/query_utils.py +++ b/django/db/models/query_utils.py @@ -34,7 +34,7 @@ def subclasses(cls): yield item -class QueryWrapper(object): +class QueryWrapper: """ A type that indicates the contents are an SQL fragment and the associate parameters. Can be used to pass opaque data to a where-clause, for example. @@ -90,7 +90,7 @@ class Q(tree.Node): return clause -class DeferredAttribute(object): +class DeferredAttribute: """ A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed. @@ -130,7 +130,7 @@ class DeferredAttribute(object): return None -class RegisterLookupMixin(object): +class RegisterLookupMixin: @classmethod def _get_lookup(cls, lookup_name): diff --git a/django/db/models/sql/compiler.py b/django/db/models/sql/compiler.py index 41733210c4..1be406d704 100644 --- a/django/db/models/sql/compiler.py +++ b/django/db/models/sql/compiler.py @@ -15,7 +15,7 @@ from django.db.utils import DatabaseError FORCE = object() -class SQLCompiler(object): +class SQLCompiler: def __init__(self, query, connection, using): self.query = query self.connection = connection diff --git a/django/db/models/sql/datastructures.py b/django/db/models/sql/datastructures.py index 02e4f930e1..81b6cabdc6 100644 --- a/django/db/models/sql/datastructures.py +++ b/django/db/models/sql/datastructures.py @@ -19,11 +19,11 @@ class MultiJoin(Exception): self.names_with_path = path_with_names -class Empty(object): +class Empty: pass -class Join(object): +class Join: """ Used by sql.Query and sql.SQLCompiler to generate JOIN clauses into the FROM entry. For example, the SQL generated could be @@ -125,7 +125,7 @@ class Join(object): return new -class BaseTable(object): +class BaseTable: """ The BaseTable class is used for base table references in FROM clause. For example, the SQL "foo" in diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py index 3acef8faf5..67d5738976 100644 --- a/django/db/models/sql/query.py +++ b/django/db/models/sql/query.py @@ -43,7 +43,7 @@ def get_field_names_from_opts(opts): )) -class RawQuery(object): +class RawQuery: """ A single raw SQL query """ @@ -111,7 +111,7 @@ class RawQuery(object): self.cursor.execute(self.sql, params) -class Query(object): +class Query: """ A single SQL query. """ @@ -2049,7 +2049,7 @@ def is_reverse_o2o(field): return field.is_relation and field.one_to_one and not field.concrete -class JoinPromoter(object): +class JoinPromoter: """ A class to abstract away join promotion problems for complex filter conditions. diff --git a/django/db/models/sql/where.py b/django/db/models/sql/where.py index bb4e9252b4..7ce7617bfa 100644 --- a/django/db/models/sql/where.py +++ b/django/db/models/sql/where.py @@ -172,7 +172,7 @@ class WhereNode(tree.Node): return any(child.is_summary for child in self.children) -class NothingNode(object): +class NothingNode: """ A node that matches nothing. """ @@ -182,7 +182,7 @@ class NothingNode(object): raise EmptyResultSet -class ExtraWhere(object): +class ExtraWhere: # The contents are a black box - assume no aggregates are used. contains_aggregate = False @@ -195,7 +195,7 @@ class ExtraWhere(object): return " AND ".join(sqls), list(self.params or ()) -class SubqueryConstraint(object): +class SubqueryConstraint: # Even if aggregates would be used in a subquery, the outer query isn't # interested about those. contains_aggregate = False diff --git a/django/db/utils.py b/django/db/utils.py index a65510ea80..8ca3f860b3 100644 --- a/django/db/utils.py +++ b/django/db/utils.py @@ -50,7 +50,7 @@ class NotSupportedError(DatabaseError): pass -class DatabaseErrorWrapper(object): +class DatabaseErrorWrapper: """ Context manager and decorator that re-throws backend-specific database exceptions using Django's common wrappers. @@ -141,7 +141,7 @@ class ConnectionDoesNotExist(Exception): pass -class ConnectionHandler(object): +class ConnectionHandler: def __init__(self, databases=None): """ databases is an optional dictionary of database definitions (structured @@ -234,7 +234,7 @@ class ConnectionHandler(object): connection.close() -class ConnectionRouter(object): +class ConnectionRouter: def __init__(self, routers=None): """ If routers is not specified, will default to settings.DATABASE_ROUTERS. diff --git a/django/dispatch/dispatcher.py b/django/dispatch/dispatcher.py index 706c9eebbf..09992c5b8c 100644 --- a/django/dispatch/dispatcher.py +++ b/django/dispatch/dispatcher.py @@ -17,7 +17,7 @@ NONE_ID = _make_id(None) NO_RECEIVERS = object() -class Signal(object): +class Signal: """ Base class for all signals diff --git a/django/forms/boundfield.py b/django/forms/boundfield.py index dc40bca508..8bed2a8a52 100644 --- a/django/forms/boundfield.py +++ b/django/forms/boundfield.py @@ -15,7 +15,7 @@ __all__ = ('BoundField',) @html_safe -class BoundField(object): +class BoundField: "A Field plus data" def __init__(self, form, field, name): self.form = form @@ -251,7 +251,7 @@ class BoundField(object): @html_safe -class BoundWidget(object): +class BoundWidget: """ A container class used for iterating over widgets. This is useful for widgets that have choices. For example, the following can be used in a diff --git a/django/forms/fields.py b/django/forms/fields.py index 94a7bbbfc2..20521b26ea 100644 --- a/django/forms/fields.py +++ b/django/forms/fields.py @@ -44,7 +44,7 @@ __all__ = ( ) -class Field(object): +class Field: widget = TextInput # Default widget to use when rendering this type of Field. hidden_widget = HiddenInput # Default widget to use when rendering this as "hidden". default_validators = [] # Default set of validators @@ -755,7 +755,7 @@ class NullBooleanField(BooleanField): pass -class CallableChoiceIterator(object): +class CallableChoiceIterator: def __init__(self, choices_func): self.choices_func = choices_func diff --git a/django/forms/forms.py b/django/forms/forms.py index de19edb668..7fccdc2b65 100644 --- a/django/forms/forms.py +++ b/django/forms/forms.py @@ -58,7 +58,7 @@ class DeclarativeFieldsMetaclass(MediaDefiningClass): @html_safe -class BaseForm(object): +class BaseForm: # This is the main implementation of all the Form logic. Note that this # class is different than Form. See the comments by the Form class for more # information. Any improvements to the form API should be made to *this* diff --git a/django/forms/formsets.py b/django/forms/formsets.py index 964a83d4ca..18a8cabefa 100644 --- a/django/forms/formsets.py +++ b/django/forms/formsets.py @@ -43,7 +43,7 @@ class ManagementForm(Form): @html_safe -class BaseFormSet(object): +class BaseFormSet: """ A collection of instances of the same Form class. """ diff --git a/django/forms/models.py b/django/forms/models.py index 093a7a6078..e5a589bfba 100644 --- a/django/forms/models.py +++ b/django/forms/models.py @@ -184,7 +184,7 @@ def fields_for_model(model, fields=None, exclude=None, widgets=None, return field_dict -class ModelFormOptions(object): +class ModelFormOptions: def __init__(self, options=None): self.model = getattr(options, 'model', None) self.fields = getattr(options, 'fields', None) @@ -517,10 +517,8 @@ def modelform_factory(model, form=ModelForm, fields=None, exclude=None, # If parent form class already has an inner Meta, the Meta we're # creating needs to inherit from the parent's inner meta. - parent = (object,) - if hasattr(form, 'Meta'): - parent = (form.Meta, object) - Meta = type(str('Meta'), parent, attrs) + bases = (form.Meta,) if hasattr(form, 'Meta') else () + Meta = type(str('Meta'), bases, attrs) if formfield_callback: Meta.formfield_callback = staticmethod(formfield_callback) # Give this new form class a reasonable name. @@ -1099,7 +1097,7 @@ class InlineForeignKeyField(Field): return False -class ModelChoiceIterator(object): +class ModelChoiceIterator: def __init__(self, field): self.field = field self.queryset = field.queryset diff --git a/django/forms/renderers.py b/django/forms/renderers.py index 2c31d7adc5..3023d477e4 100644 --- a/django/forms/renderers.py +++ b/django/forms/renderers.py @@ -23,7 +23,7 @@ def get_default_renderer(): return renderer_class() -class BaseRenderer(object): +class BaseRenderer: def get_template(self, template_name): raise NotImplementedError('subclasses must implement get_template()') @@ -32,7 +32,7 @@ class BaseRenderer(object): return template.render(context, request=request).strip() -class EngineMixin(object): +class EngineMixin: def get_template(self, template_name): return self.engine.get_template(template_name) diff --git a/django/forms/widgets.py b/django/forms/widgets.py index b04864205c..d8b4d6a4dc 100644 --- a/django/forms/widgets.py +++ b/django/forms/widgets.py @@ -35,7 +35,7 @@ MEDIA_TYPES = ('css', 'js') @html_safe -class Media(object): +class Media: def __init__(self, media=None, **kwargs): if media: media_attrs = media.__dict__ diff --git a/django/http/multipartparser.py b/django/http/multipartparser.py index 4cbb98afdd..ff7e36e321 100644 --- a/django/http/multipartparser.py +++ b/django/http/multipartparser.py @@ -41,7 +41,7 @@ FILE = "file" FIELD = "field" -class MultiPartParser(object): +class MultiPartParser: """ A rfc2388 multipart/form-data parser. @@ -646,7 +646,7 @@ def parse_boundary_stream(stream, max_header_size): return (TYPE, outdict, stream) -class Parser(object): +class Parser: def __init__(self, stream, boundary): self._stream = stream self._separator = b'--' + boundary diff --git a/django/http/request.py b/django/http/request.py index a930c93b26..4ca2ed25fa 100644 --- a/django/http/request.py +++ b/django/http/request.py @@ -36,7 +36,7 @@ class RawPostDataException(Exception): pass -class HttpRequest(object): +class HttpRequest: """A basic HTTP request.""" # The encoding used in GET/POST dicts. None means use default setting. diff --git a/django/template/backends/base.py b/django/template/backends/base.py index 9f48fbfdca..ad53089f22 100644 --- a/django/template/backends/base.py +++ b/django/template/backends/base.py @@ -6,7 +6,7 @@ from django.utils._os import safe_join from django.utils.functional import cached_property -class BaseEngine(object): +class BaseEngine: # Core methods: engines have to provide their own implementation # (except for from_string which is optional). diff --git a/django/template/backends/django.py b/django/template/backends/django.py index 7ae8141251..33022d8bbb 100644 --- a/django/template/backends/django.py +++ b/django/template/backends/django.py @@ -47,7 +47,7 @@ class DjangoTemplates(BaseEngine): return libraries -class Template(object): +class Template: def __init__(self, template, backend): self.template = template diff --git a/django/template/backends/jinja2.py b/django/template/backends/jinja2.py index 2497df1b84..df2eefa925 100644 --- a/django/template/backends/jinja2.py +++ b/django/template/backends/jinja2.py @@ -56,7 +56,7 @@ class Jinja2(BaseEngine): return [import_string(path) for path in self.context_processors] -class Template(object): +class Template: def __init__(self, template, backend): self.template = template @@ -78,7 +78,7 @@ class Template(object): return self.template.render(context) -class Origin(object): +class Origin: """ A container to hold debug information as described in the template API documentation. diff --git a/django/template/base.py b/django/template/base.py index 7f18869dbb..ce3cc2c7c0 100644 --- a/django/template/base.py +++ b/django/template/base.py @@ -122,7 +122,7 @@ class VariableDoesNotExist(Exception): return self.msg % tuple(force_text(p, errors='replace') for p in self.params) -class Origin(object): +class Origin: def __init__(self, name, template_name=None, loader=None): self.name = name self.template_name = template_name @@ -148,7 +148,7 @@ class Origin(object): ) -class Template(object): +class Template: def __init__(self, template_string, origin=None, name=None, engine=None): try: template_string = force_text(template_string) @@ -301,7 +301,7 @@ def linebreak_iter(template_source): yield len(template_source) + 1 -class Token(object): +class Token: def __init__(self, token_type, contents, position=None, lineno=None): """ A token representing a string from the template. @@ -346,7 +346,7 @@ class Token(object): return split -class Lexer(object): +class Lexer: def __init__(self, template_string): self.template_string = template_string self.verbatim = False @@ -423,7 +423,7 @@ class DebugLexer(Lexer): return result -class Parser(object): +class Parser: def __init__(self, tokens, libraries=None, builtins=None, origin=None): self.tokens = tokens self.tags = {} @@ -624,7 +624,7 @@ filter_raw_string = r""" filter_re = re.compile(filter_raw_string, re.UNICODE | re.VERBOSE) -class FilterExpression(object): +class FilterExpression: """ Parses a variable token and its optional filters (all as a single string), and return a list of tuples of the filter name and arguments. @@ -741,7 +741,7 @@ class FilterExpression(object): return self.token -class Variable(object): +class Variable: """ A template variable, resolvable against a given context. The variable may be a hard-coded string (if it begins and ends with single or double quote @@ -898,7 +898,7 @@ class Variable(object): return current -class Node(object): +class Node: # Set this to True for nodes that must be first in the template (although # they can be preceded by text nodes. must_be_first = False diff --git a/django/template/context.py b/django/template/context.py index c5a4949e95..dfc4ed69a6 100644 --- a/django/template/context.py +++ b/django/template/context.py @@ -24,7 +24,7 @@ class ContextDict(dict): self.context.pop() -class BaseContext(object): +class BaseContext: def __init__(self, dict_=None): self._reset_dicts(dict_) diff --git a/django/template/engine.py b/django/template/engine.py index d334926c45..026ecb144e 100644 --- a/django/template/engine.py +++ b/django/template/engine.py @@ -10,7 +10,7 @@ from .exceptions import TemplateDoesNotExist from .library import import_library -class Engine(object): +class Engine: default_builtins = [ 'django.template.defaulttags', 'django.template.defaultfilters', diff --git a/django/template/library.py b/django/template/library.py index b7e3cad532..0b66aad3e9 100644 --- a/django/template/library.py +++ b/django/template/library.py @@ -13,7 +13,7 @@ class InvalidTemplateLibrary(Exception): pass -class Library(object): +class Library: """ A class for registering template tags and filters. Compiled filter and template tag functions are stored in the filters and tags attributes. diff --git a/django/template/loader_tags.py b/django/template/loader_tags.py index 2c27902238..b4f3f29be6 100644 --- a/django/template/loader_tags.py +++ b/django/template/loader_tags.py @@ -18,7 +18,7 @@ BLOCK_CONTEXT_KEY = 'block_context' logger = logging.getLogger('django.template') -class BlockContext(object): +class BlockContext: def __init__(self): # Dictionary of FIFO queues. self.blocks = defaultdict(list) diff --git a/django/template/loaders/base.py b/django/template/loaders/base.py index cb1807fd7e..041f9c4750 100644 --- a/django/template/loaders/base.py +++ b/django/template/loaders/base.py @@ -1,7 +1,7 @@ from django.template import Template, TemplateDoesNotExist -class Loader(object): +class Loader: def __init__(self, engine): self.engine = engine diff --git a/django/template/smartif.py b/django/template/smartif.py index d0cebadc01..02e005c5ec 100644 --- a/django/template/smartif.py +++ b/django/template/smartif.py @@ -8,7 +8,7 @@ Parser and utilities for the smart 'if' tag # 'bp' = binding power (left = lbp, right = rbp) -class TokenBase(object): +class TokenBase: """ Base class for operators and literals, mainly for debugging and for throwing syntax errors. @@ -147,7 +147,7 @@ class EndToken(TokenBase): EndToken = EndToken() -class IfParser(object): +class IfParser: error_class = ValueError def __init__(self, tokens): diff --git a/django/template/utils.py b/django/template/utils.py index 6ff2499dcb..852baca566 100644 --- a/django/template/utils.py +++ b/django/template/utils.py @@ -14,7 +14,7 @@ class InvalidTemplateEngineError(ImproperlyConfigured): pass -class EngineHandler(object): +class EngineHandler: def __init__(self, templates=None): """ templates is an optional list of template engine definitions diff --git a/django/templatetags/tz.py b/django/templatetags/tz.py index 99d391e45d..4769d1e09d 100644 --- a/django/templatetags/tz.py +++ b/django/templatetags/tz.py @@ -8,9 +8,9 @@ from django.utils import timezone register = Library() -# HACK: datetime is an old-style class, create a new-style equivalent -# so we can define additional attributes. -class datetimeobject(datetime, object): +# HACK: datetime instances cannot be assigned new attributes. Define a subclass +# in order to define new attributes in do_timezone(). +class datetimeobject(datetime): pass diff --git a/django/test/client.py b/django/test/client.py index 3b31dae9bd..c8c6e96a7f 100644 --- a/django/test/client.py +++ b/django/test/client.py @@ -46,7 +46,7 @@ class RedirectCycleError(Exception): self.redirect_chain = last_response.redirect_chain -class FakePayload(object): +class FakePayload: """ A wrapper around BytesIO that restricts what can be read since data from the network can't be seeked and cannot be read outside of its content @@ -253,7 +253,7 @@ def encode_file(boundary, key, file): ] -class RequestFactory(object): +class RequestFactory: """ Class that lets you create mock Request objects for use in testing. diff --git a/django/test/html.py b/django/test/html.py index 67a2ad65e1..319fd87a0f 100644 --- a/django/test/html.py +++ b/django/test/html.py @@ -13,7 +13,7 @@ def normalize_whitespace(string): return WHITESPACE.sub(' ', string) -class Element(object): +class Element: def __init__(self, name, attributes): self.name = name self.attributes = sorted(attributes) diff --git a/django/test/runner.py b/django/test/runner.py index 77a309d8e6..090adcec95 100644 --- a/django/test/runner.py +++ b/django/test/runner.py @@ -66,7 +66,7 @@ class DebugSQLTextTestResult(unittest.TextTestResult): self.stream.writeln("%s" % sql_debug) -class RemoteTestResult(object): +class RemoteTestResult: """ Record information about which tests have succeeded and which have failed. @@ -230,7 +230,7 @@ failure and get a correct traceback. self.stop_if_failfast() -class RemoteTestRunner(object): +class RemoteTestRunner: """ Run tests and record everything but don't display anything. @@ -389,7 +389,7 @@ class ParallelTestSuite(unittest.TestSuite): return result -class DiscoverRunner(object): +class DiscoverRunner: """ A Django test runner that uses unittest2 test discovery. """ diff --git a/django/test/testcases.py b/django/test/testcases.py index dad3fb2df0..02398433d9 100644 --- a/django/test/testcases.py +++ b/django/test/testcases.py @@ -84,7 +84,7 @@ class _AssertNumQueriesContext(CaptureQueriesContext): ) -class _AssertTemplateUsedContext(object): +class _AssertTemplateUsedContext: def __init__(self, test_case, template_name): self.test_case = test_case self.template_name = template_name @@ -130,7 +130,7 @@ class _AssertTemplateNotUsedContext(_AssertTemplateUsedContext): return '%s was rendered.' % self.template_name -class _CursorFailure(object): +class _CursorFailure: def __init__(self, cls_name, wrapped): self.cls_name = cls_name self.wrapped = wrapped @@ -1047,7 +1047,7 @@ class TestCase(TransactionTestCase): ) -class CheckCondition(object): +class CheckCondition: """Descriptor class for deferred condition checking""" def __init__(self, *conditions): self.conditions = conditions @@ -1334,7 +1334,7 @@ class LiveServerTestCase(TransactionTestCase): super(LiveServerTestCase, cls).tearDownClass() -class SerializeMixin(object): +class SerializeMixin: """ Mixin to enforce serialization of TestCases that share a common resource. diff --git a/django/test/utils.py b/django/test/utils.py index 55428ccf85..7cff683dff 100644 --- a/django/test/utils.py +++ b/django/test/utils.py @@ -42,7 +42,7 @@ __all__ = ( TZ_SUPPORT = hasattr(time, 'tzset') -class Approximate(object): +class Approximate: def __init__(self, val, places=7): self.val = val self.places = places @@ -102,7 +102,7 @@ def instrumented_test_render(self, context): return self.nodelist.render(context) -class _TestState(object): +class _TestState: pass @@ -322,7 +322,7 @@ def get_runner(settings, test_runner_class=None): return test_runner -class TestContextDecorator(object): +class TestContextDecorator: """ A base class that can either be used as a context manager during tests or as a test function or unittest.TestCase subclass decorator to perform @@ -613,7 +613,7 @@ def str_prefix(s): return s % {'_': ''} -class CaptureQueriesContext(object): +class CaptureQueriesContext: """ Context manager that captures queries executed by the specified connection. """ @@ -832,7 +832,7 @@ class override_script_prefix(TestContextDecorator): set_script_prefix(self.old_prefix) -class LoggingCaptureMixin(object): +class LoggingCaptureMixin: """ Capture the output from the 'django' logger and store it on the class's logger_output attribute. diff --git a/django/urls/resolvers.py b/django/urls/resolvers.py index 7e344896af..36586feab0 100644 --- a/django/urls/resolvers.py +++ b/django/urls/resolvers.py @@ -25,7 +25,7 @@ from .exceptions import NoReverseMatch, Resolver404 from .utils import get_callable -class ResolverMatch(object): +class ResolverMatch: def __init__(self, func, args, kwargs, url_name=None, app_names=None, namespaces=None): self.func = func self.args = args @@ -76,7 +76,7 @@ def get_ns_resolver(ns_pattern, resolver): return RegexURLResolver(r'^/', [ns_resolver]) -class LocaleRegexDescriptor(object): +class LocaleRegexDescriptor: def __get__(self, instance, cls=None): """ Return a compiled regular expression based on the active language. @@ -106,7 +106,7 @@ class LocaleRegexDescriptor(object): ) -class LocaleRegexProvider(object): +class LocaleRegexProvider: """ A mixin to provide a default regex property which can vary by active language. diff --git a/django/utils/archive.py b/django/utils/archive.py index 456145a520..1dd3f9d660 100644 --- a/django/utils/archive.py +++ b/django/utils/archive.py @@ -49,7 +49,7 @@ def extract(path, to_path=''): archive.extract(to_path) -class Archive(object): +class Archive: """ The external API class that encapsulates an archive implementation. """ @@ -93,7 +93,7 @@ class Archive(object): self._archive.close() -class BaseArchive(object): +class BaseArchive: """ Base Archive class. Implementations should inherit this class. """ diff --git a/django/utils/baseconv.py b/django/utils/baseconv.py index 158f0b0d92..28099affae 100644 --- a/django/utils/baseconv.py +++ b/django/utils/baseconv.py @@ -45,7 +45,7 @@ BASE62_ALPHABET = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxy BASE64_ALPHABET = BASE62_ALPHABET + '-_' -class BaseConverter(object): +class BaseConverter: decimal_digits = '0123456789' def __init__(self, digits, sign='-'): diff --git a/django/utils/datastructures.py b/django/utils/datastructures.py index bb8166a734..a89af1780b 100644 --- a/django/utils/datastructures.py +++ b/django/utils/datastructures.py @@ -2,7 +2,7 @@ import copy from collections import OrderedDict -class OrderedSet(object): +class OrderedSet: """ A set which keeps the ordering of the inserted items. Currently backs onto OrderedDict. diff --git a/django/utils/dateformat.py b/django/utils/dateformat.py index ded952df99..f55b97c2ed 100644 --- a/django/utils/dateformat.py +++ b/django/utils/dateformat.py @@ -26,7 +26,7 @@ re_formatchars = re.compile(r'(?<!\\)([aAbBcdDeEfFgGhHiIjlLmMnNoOPrsStTUuwWyYzZ] re_escaped = re.compile(r'\\(.)') -class Formatter(object): +class Formatter: def format(self, formatstr): pieces = [] for i, piece in enumerate(re_formatchars.split(force_text(formatstr))): diff --git a/django/utils/decorators.py b/django/utils/decorators.py index 071028930f..3b2a002e7b 100644 --- a/django/utils/decorators.py +++ b/django/utils/decorators.py @@ -169,7 +169,7 @@ def make_middleware_decorator(middleware_class): if ContextDecorator is None: # ContextDecorator was introduced in Python 3.2 # See https://docs.python.org/3/library/contextlib.html#contextlib.ContextDecorator - class ContextDecorator(object): + class ContextDecorator: """ A base class that enables a context manager to also be used as a decorator. """ @@ -181,7 +181,7 @@ if ContextDecorator is None: return inner -class classproperty(object): +class classproperty: def __init__(self, method=None): self.fget = method diff --git a/django/utils/deprecation.py b/django/utils/deprecation.py index a37f2e3d69..2ef95bc343 100644 --- a/django/utils/deprecation.py +++ b/django/utils/deprecation.py @@ -13,7 +13,7 @@ class RemovedInDjango21Warning(DeprecationWarning): RemovedInNextVersionWarning = RemovedInDjango21Warning -class warn_about_renamed_method(object): +class warn_about_renamed_method: def __init__(self, class_name, old_method_name, new_method_name, deprecation_warning): self.class_name = class_name self.old_method_name = old_method_name @@ -82,7 +82,7 @@ class DeprecationInstanceCheck(type): return super(DeprecationInstanceCheck, self).__instancecheck__(instance) -class MiddlewareMixin(object): +class MiddlewareMixin: def __init__(self, get_response=None): self.get_response = get_response super(MiddlewareMixin, self).__init__() diff --git a/django/utils/feedgenerator.py b/django/utils/feedgenerator.py index 33ef20e16b..4772acb1c9 100644 --- a/django/utils/feedgenerator.py +++ b/django/utils/feedgenerator.py @@ -79,7 +79,7 @@ def get_tag_uri(url, date): return 'tag:%s%s:%s/%s' % (bits.hostname, d, bits.path, bits.fragment) -class SyndicationFeed(object): +class SyndicationFeed: "Base class for all syndication feeds. Subclasses should provide write()" def __init__(self, title, link, description, language=None, author_email=None, author_name=None, author_link=None, subtitle=None, categories=None, @@ -209,7 +209,7 @@ class SyndicationFeed(object): return latest_date or datetime.datetime.utcnow().replace(tzinfo=utc) -class Enclosure(object): +class Enclosure: "Represents an RSS enclosure" def __init__(self, url, length, mime_type): "All args are expected to be Python Unicode objects" diff --git a/django/utils/functional.py b/django/utils/functional.py index 2eeffa0447..30e484eaa3 100644 --- a/django/utils/functional.py +++ b/django/utils/functional.py @@ -12,7 +12,7 @@ def curry(_curried_func, *args, **kwargs): return _curried -class cached_property(object): +class cached_property: """ Decorator that converts a method with a single self argument into a property cached on the instance. @@ -32,7 +32,7 @@ class cached_property(object): return res -class Promise(object): +class Promise: """ This is just a base class for the proxy class created in the closure of the lazy function. It can be used to recognize @@ -214,7 +214,7 @@ def new_method_proxy(func): return inner -class LazyObject(object): +class LazyObject: """ A wrapper for another class that can be used to delay instantiation of the wrapped class. diff --git a/django/utils/jslex.py b/django/utils/jslex.py index 0958ac030c..98b5d56e9d 100644 --- a/django/utils/jslex.py +++ b/django/utils/jslex.py @@ -3,7 +3,7 @@ import re -class Tok(object): +class Tok: """ A specification for a token class. """ @@ -27,7 +27,7 @@ def literals(choices, prefix="", suffix=""): return "|".join(prefix + re.escape(c) + suffix for c in choices.split()) -class Lexer(object): +class Lexer: """ A generic multi-state regex-based lexer. """ diff --git a/django/utils/safestring.py b/django/utils/safestring.py index 609f8f45ac..fe5ca422c3 100644 --- a/django/utils/safestring.py +++ b/django/utils/safestring.py @@ -8,7 +8,7 @@ be interpreted by the HTML engine (e.g. '<') into the appropriate entities. from django.utils.functional import Promise, curry, wraps -class SafeData(object): +class SafeData: def __html__(self): """ Returns the html representation of a string for interoperability. diff --git a/django/utils/six.py b/django/utils/six.py index b4038c72fa..95f16f58d9 100644 --- a/django/utils/six.py +++ b/django/utils/six.py @@ -55,7 +55,7 @@ else: MAXSIZE = int((1 << 31) - 1) else: # It's possible to have sizeof(long) != sizeof(Py_ssize_t). - class X(object): + class X: def __len__(self): return 1 << 31 @@ -81,7 +81,7 @@ def _import_module(name): return sys.modules[name] -class _LazyDescr(object): +class _LazyDescr: def __init__(self, name): self.name = name @@ -159,7 +159,7 @@ class MovedAttribute(_LazyDescr): return getattr(module, self.attr) -class _SixMetaPathImporter(object): +class _SixMetaPathImporter: """ A meta path importer to import six.moves and its submodules. @@ -550,7 +550,7 @@ else: def create_unbound_method(func, cls): return types.MethodType(func, None, cls) - class Iterator(object): + class Iterator: def next(self): return type(self).__next__(self) diff --git a/django/utils/synch.py b/django/utils/synch.py index c8ef2f07bd..d944bfd242 100644 --- a/django/utils/synch.py +++ b/django/utils/synch.py @@ -10,7 +10,7 @@ import contextlib import threading -class RWLock(object): +class RWLock: """ Classic implementation of reader-writer lock with preference to writers. diff --git a/django/utils/text.py b/django/utils/text.py index d716a0b345..20df82c85b 100644 --- a/django/utils/text.py +++ b/django/utils/text.py @@ -291,7 +291,7 @@ def compress_string(s): return zbuf.getvalue() -class StreamingBuffer(object): +class StreamingBuffer: def __init__(self): self.vals = [] diff --git a/django/utils/translation/__init__.py b/django/utils/translation/__init__.py index 345015d994..4dc4c16c28 100644 --- a/django/utils/translation/__init__.py +++ b/django/utils/translation/__init__.py @@ -38,7 +38,7 @@ class TranslatorCommentWarning(SyntaxWarning): # replace the functions with their real counterparts (once we do access the # settings). -class Trans(object): +class Trans: """ The purpose of this class is to store the actual translation function upon receiving the first call to that function. After this is done, changes to diff --git a/django/utils/tree.py b/django/utils/tree.py index 3eb3529354..2c8ab3fe1c 100644 --- a/django/utils/tree.py +++ b/django/utils/tree.py @@ -8,7 +8,7 @@ import copy from django.utils.encoding import force_str, force_text -class Node(object): +class Node: """ A single internal node in the tree graph. A Node should be viewed as a connection (the root) with the children being either leaf nodes or other diff --git a/django/views/debug.py b/django/views/debug.py index b457969427..28e0fe6eb2 100644 --- a/django/views/debug.py +++ b/django/views/debug.py @@ -23,7 +23,7 @@ HIDDEN_SETTINGS = re.compile('API|TOKEN|KEY|SECRET|PASS|SIGNATURE', flags=re.IGN CLEANSED_SUBSTITUTE = '********************' -class CallableSettingWrapper(object): +class CallableSettingWrapper: """ Object to wrap callable appearing in settings * Not to call in the debug page (#21345). @@ -95,7 +95,7 @@ def get_exception_reporter_filter(request): return getattr(request, 'exception_reporter_filter', default_filter) -class ExceptionReporterFilter(object): +class ExceptionReporterFilter: """ Base for all exception reporter filter classes. All overridable hooks contain lenient default behaviors. @@ -230,7 +230,7 @@ class SafeExceptionReporterFilter(ExceptionReporterFilter): return cleansed.items() -class ExceptionReporter(object): +class ExceptionReporter: """ A class to organize and coordinate reporting on exceptions. """ diff --git a/django/views/generic/base.py b/django/views/generic/base.py index 668aef7760..4d4617c0a8 100644 --- a/django/views/generic/base.py +++ b/django/views/generic/base.py @@ -10,7 +10,7 @@ from django.utils.decorators import classonlymethod logger = logging.getLogger('django.request') -class ContextMixin(object): +class ContextMixin: """ A default context mixin that passes the keyword arguments received by get_context_data as the template context. @@ -22,7 +22,7 @@ class ContextMixin(object): return kwargs -class View(object): +class View: """ Intentionally simple parent class for all views. Only implements dispatch-by-method and simple sanity checking. @@ -104,7 +104,7 @@ class View(object): return [m.upper() for m in self.http_method_names if hasattr(self, m)] -class TemplateResponseMixin(object): +class TemplateResponseMixin: """ A mixin that can be used to render a template. """ diff --git a/django/views/generic/dates.py b/django/views/generic/dates.py index d03140a973..86a49f8bd3 100644 --- a/django/views/generic/dates.py +++ b/django/views/generic/dates.py @@ -17,7 +17,7 @@ from django.views.generic.list import ( ) -class YearMixin(object): +class YearMixin: """ Mixin for views manipulating year-based data. """ @@ -73,7 +73,7 @@ class YearMixin(object): return date.replace(month=1, day=1) -class MonthMixin(object): +class MonthMixin: """ Mixin for views manipulating month-based data. """ @@ -132,7 +132,7 @@ class MonthMixin(object): return date.replace(day=1) -class DayMixin(object): +class DayMixin: """ Mixin for views manipulating day-based data. """ @@ -188,7 +188,7 @@ class DayMixin(object): return date -class WeekMixin(object): +class WeekMixin: """ Mixin for views manipulating week-based data. """ @@ -258,7 +258,7 @@ class WeekMixin(object): raise ValueError("unknown week format: %s" % week_format) -class DateMixin(object): +class DateMixin: """ Mixin class for views manipulating date-based data. """ diff --git a/django/views/generic/edit.py b/django/views/generic/edit.py index 9b5bd38736..258d624812 100644 --- a/django/views/generic/edit.py +++ b/django/views/generic/edit.py @@ -248,7 +248,7 @@ class UpdateView(SingleObjectTemplateResponseMixin, BaseUpdateView): template_name_suffix = '_form' -class DeletionMixin(object): +class DeletionMixin: """ A mixin providing the ability to delete objects """ |