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Fixed W503 flake8 warnings.

This commit is contained in:
Tim Graham 2016-04-03 20:37:32 -04:00
parent d356bb653f
commit 2cd2d18851
45 changed files with 166 additions and 187 deletions
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9
django/contrib/admin/checks.py
View File

@ -51,9 +51,8 @@ def check_dependencies(**kwargs):
pass
else:
if ('django.contrib.auth.context_processors.auth'
not in default_template_engine.context_processors
and 'django.contrib.auth.backends.ModelBackend'
in settings.AUTHENTICATION_BACKENDS):
not in default_template_engine.context_processors and
'django.contrib.auth.backends.ModelBackend' in settings.AUTHENTICATION_BACKENDS):
missing_template = checks.Error(
"'django.contrib.auth.context_processors.auth' must be in "
"TEMPLATES in order to use the admin application.",
@ -801,8 +800,8 @@ class ModelAdminChecks(BaseModelAdminChecks):
]
# If list_display[0] is in list_editable, check that
# list_display_links is set. See #22792 and #26229 for use cases.
elif (obj.list_display[0] == field_name and not obj.list_display_links
and obj.list_display_links is not None):
elif (obj.list_display[0] == field_name and not obj.list_display_links and
obj.list_display_links is not None):
return [
checks.Error(
"The value of '%s' refers to the first field in 'list_display' ('%s'), "

3
django/contrib/admin/filters.py
View File

@ -386,8 +386,7 @@ class AllValuesFieldListFilter(FieldListFilter):
def choices(self, changelist):
yield {
'selected': (self.lookup_val is None
and self.lookup_val_isnull is None),
'selected': self.lookup_val is None and self.lookup_val_isnull is None,
'query_string': changelist.get_query_string({},
[self.lookup_kwarg, self.lookup_kwarg_isnull]),
'display': _('All'),

3
django/contrib/admin/options.py
View File

@ -672,8 +672,7 @@ class ModelAdmin(BaseModelAdmin):
"formfield_callback": partial(self.formfield_for_dbfield, request=request),
}
defaults.update(kwargs)
if (defaults.get('fields') is None
and not modelform_defines_fields(defaults.get('form'))):
if defaults.get('fields') is None and not modelform_defines_fields(defaults.get('form')):
defaults['fields'] = forms.ALL_FIELDS
return modelform_factory(self.model, **defaults)

3
django/contrib/admin/views/main.py
View File

@ -241,8 +241,7 @@ class ChangeList(object):
ordering field.
"""
params = self.params
ordering = list(self.model_admin.get_ordering(request)
or self._get_default_ordering())
ordering = list(self.model_admin.get_ordering(request) or self._get_default_ordering())
if ORDER_VAR in params:
# Clear ordering and used params
ordering = []

3
django/contrib/gis/db/backends/postgis/operations.py
View File

@ -261,8 +261,7 @@ class PostGISOperations(BaseSpatialOperations, DatabaseOperations):
# also handles it (#25524).
if handle_spheroid and len(dist_val) > 1:
option = dist_val[1]
if (not geography and geodetic and lookup_type != 'dwithin'
and option == 'spheroid'):
if not geography and geodetic and lookup_type != 'dwithin' and option == 'spheroid':
# using distance_spheroid requires the spheroid of the field as
# a parameter.
params.insert(0, f._spheroid)

4
django/contrib/gis/serializers/geojson.py
View File

@ -18,8 +18,8 @@ class Serializer(JSONSerializer):
super(Serializer, self)._init_options()
self.geometry_field = self.json_kwargs.pop('geometry_field', None)
self.srid = self.json_kwargs.pop('srid', 4326)
if (self.selected_fields is not None and self.geometry_field is not None
and self.geometry_field not in self.selected_fields):
if (self.selected_fields is not None and self.geometry_field is not None and
self.geometry_field not in self.selected_fields):
self.selected_fields = list(self.selected_fields) + [self.geometry_field]
def start_serialization(self):

8
django/contrib/postgres/validators.py
View File

@ -58,10 +58,10 @@ class KeysValidator(object):
def __eq__(self, other):
return (
isinstance(other, self.__class__)
and (self.keys == other.keys)
and (self.messages == other.messages)
and (self.strict == other.strict)
isinstance(other, self.__class__) and
self.keys == other.keys and
self.messages == other.messages and
self.strict == other.strict
)
def __ne__(self, other):

16
django/contrib/staticfiles/management/commands/collectstatic.py
View File

@ -259,16 +259,12 @@ class Command(BaseCommand):
full_path = None
# Skip the file if the source file is younger
# Avoid sub-second precision (see #14665, #19540)
if (target_last_modified.replace(microsecond=0)
>= source_last_modified.replace(microsecond=0)):
if not ((self.symlink and full_path
and not os.path.islink(full_path)) or
(not self.symlink and full_path
and os.path.islink(full_path))):
if prefixed_path not in self.unmodified_files:
self.unmodified_files.append(prefixed_path)
self.log("Skipping '%s' (not modified)" % path)
return False
if (target_last_modified.replace(microsecond=0) >= source_last_modified.replace(microsecond=0) and
full_path and not (self.symlink ^ os.path.islink(full_path))):
if prefixed_path not in self.unmodified_files:
self.unmodified_files.append(prefixed_path)
self.log("Skipping '%s' (not modified)" % path)
return False
# Then delete the existing file if really needed
if self.dry_run:
self.log("Pretending to delete '%s'" % path)

3
django/core/handlers/base.py
View File

@ -78,8 +78,7 @@ class BaseHandler(object):
def make_view_atomic(self, view):
non_atomic_requests = getattr(view, '_non_atomic_requests', set())
for db in connections.all():
if (db.settings_dict['ATOMIC_REQUESTS']
and db.alias not in non_atomic_requests):
if db.settings_dict['ATOMIC_REQUESTS'] and db.alias not in non_atomic_requests:
view = transaction.atomic(using=db.alias)(view)
return view

10
django/core/validators.py
View File

@ -322,9 +322,9 @@ class BaseValidator(object):
def __eq__(self, other):
return (
isinstance(other, self.__class__) and
(self.limit_value == other.limit_value)
and (self.message == other.message)
and (self.code == other.code)
self.limit_value == other.limit_value and
self.message == other.message and
self.code == other.code
)
def compare(self, a, b):
@ -435,8 +435,8 @@ class DecimalValidator(object):
code='max_decimal_places',
params={'max': self.decimal_places},
)
if (self.max_digits is not None and self.decimal_places is not None
and whole_digits > (self.max_digits - self.decimal_places)):
if (self.max_digits is not None and self.decimal_places is not None and
whole_digits > (self.max_digits - self.decimal_places)):
raise ValidationError(
self.messages['max_whole_digits'],
code='max_whole_digits',

14
django/db/backends/base/base.py
View File

@ -381,9 +381,8 @@ class BaseDatabaseWrapper(object):
self.ensure_connection()
start_transaction_under_autocommit = (
force_begin_transaction_with_broken_autocommit
and not autocommit
and self.features.autocommits_when_autocommit_is_off
force_begin_transaction_with_broken_autocommit and not autocommit and
self.features.autocommits_when_autocommit_is_off
)
if start_transaction_under_autocommit:
@ -514,13 +513,14 @@ class BaseDatabaseWrapper(object):
authorized to be shared between threads (via the `allow_thread_sharing`
property). Raises an exception if the validation fails.
"""
if not (self.allow_thread_sharing
or self._thread_ident == thread.get_ident()):
raise DatabaseError("DatabaseWrapper objects created in a "
if not (self.allow_thread_sharing or self._thread_ident == thread.get_ident()):
raise DatabaseError(
"DatabaseWrapper objects created in a "
"thread can only be used in that same thread. The object "
"with alias '%s' was created in thread id %s and this is "
"thread id %s."
% (self.alias, self._thread_ident, thread.get_ident()))
% (self.alias, self._thread_ident, thread.get_ident())
)
# ##### Miscellaneous #####

20
django/db/backends/mysql/introspection.py
View File

@ -79,14 +79,18 @@ class DatabaseIntrospection(BaseDatabaseIntrospection):
for line in cursor.description:
col_name = force_text(line[0])
fields.append(
FieldInfo(*((col_name,)
+ line[1:3]
+ (to_int(field_info[col_name].max_len) or line[3],
to_int(field_info[col_name].num_prec) or line[4],
to_int(field_info[col_name].num_scale) or line[5])
+ (line[6],)
+ (field_info[col_name].extra,)
+ (field_info[col_name].column_default,)))
FieldInfo(*(
(col_name,) +
line[1:3] +
(
to_int(field_info[col_name].max_len) or line[3],
to_int(field_info[col_name].num_prec) or line[4],
to_int(field_info[col_name].num_scale) or line[5],
line[6],
field_info[col_name].extra,
field_info[col_name].column_default,
)
))
)
return fields

5
django/db/backends/mysql/validation.py
View File

@ -21,9 +21,8 @@ class DatabaseValidation(BaseDatabaseValidation):
if field_type is None:
return errors
if (field_type.startswith('varchar') # Look for CharFields...
and field.unique # ... that are unique
and (field.max_length is None or int(field.max_length) > 255)):
if (field_type.startswith('varchar') and field.unique and
(field.max_length is None or int(field.max_length) > 255)):
errors.append(
checks.Error(
'MySQL does not allow unique CharFields to have a max_length > 255.',

5
django/db/backends/oracle/base.py
View File

@ -228,8 +228,9 @@ class DatabaseWrapper(BaseDatabaseWrapper):
# TO_CHAR().
cursor.execute(
"ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS'"
" NLS_TIMESTAMP_FORMAT = 'YYYY-MM-DD HH24:MI:SS.FF'"
+ (" TIME_ZONE = 'UTC'" if settings.USE_TZ else ''))
" NLS_TIMESTAMP_FORMAT = 'YYYY-MM-DD HH24:MI:SS.FF'" +
(" TIME_ZONE = 'UTC'" if settings.USE_TZ else '')
)
cursor.close()
if 'operators' not in self.__dict__:
# Ticket #14149: Check whether our LIKE implementation will

3
django/db/backends/oracle/compiler.py
View File

@ -14,8 +14,7 @@ class SQLCompiler(compiler.SQLCompiler):
"""
# The `do_offset` flag indicates whether we need to construct
# the SQL needed to use limit/offset with Oracle.
do_offset = with_limits and (self.query.high_mark is not None
or self.query.low_mark)
do_offset = with_limits and (self.query.high_mark is not None or self.query.low_mark)
if not do_offset:
sql, params = super(SQLCompiler, self).as_sql(
with_limits=False,

10
django/db/backends/postgresql/introspection.py
View File

@ -78,9 +78,13 @@ class DatabaseIntrospection(BaseDatabaseIntrospection):
WHERE table_name = %s""", [table_name])
field_map = {line[0]: line[1:] for line in cursor.fetchall()}
cursor.execute("SELECT * FROM %s LIMIT 1" % self.connection.ops.quote_name(table_name))
return [FieldInfo(*((force_text(line[0]),) + line[1:6]
+ (field_map[force_text(line[0])][0] == 'YES', field_map[force_text(line[0])][1])))
for line in cursor.description]
return [
FieldInfo(*(
(force_text(line[0]),) +
line[1:6] +
(field_map[force_text(line[0])][0] == 'YES', field_map[force_text(line[0])][1])
)) for line in cursor.description
]
def get_relations(self, cursor, table_name):
"""

12
django/db/migrations/autodetector.py
View File

@ -215,8 +215,8 @@ class MigrationAutodetector(object):
old_model_state = self.from_state.models[app_label, old_model_name]
for field_name, field in old_model_state.fields:
old_field = self.old_apps.get_model(app_label, old_model_name)._meta.get_field(field_name)
if (hasattr(old_field, "remote_field") and getattr(old_field.remote_field, "through", None)
and not old_field.remote_field.through._meta.auto_created):
if (hasattr(old_field, "remote_field") and getattr(old_field.remote_field, "through", None) and
not old_field.remote_field.through._meta.auto_created):
through_key = (
old_field.remote_field.through._meta.app_label,
old_field.remote_field.through._meta.model_name,
@ -509,8 +509,8 @@ class MigrationAutodetector(object):
related_fields[field.name] = field
# through will be none on M2Ms on swapped-out models;
# we can treat lack of through as auto_created=True, though.
if (getattr(field.remote_field, "through", None)
and not field.remote_field.through._meta.auto_created):
if (getattr(field.remote_field, "through", None) and
not field.remote_field.through._meta.auto_created):
related_fields[field.name] = field
for field in model_opts.local_many_to_many:
if field.remote_field.model:
@ -671,8 +671,8 @@ class MigrationAutodetector(object):
related_fields[field.name] = field
# through will be none on M2Ms on swapped-out models;
# we can treat lack of through as auto_created=True, though.
if (getattr(field.remote_field, "through", None)
and not field.remote_field.through._meta.auto_created):
if (getattr(field.remote_field, "through", None) and
not field.remote_field.through._meta.auto_created):
related_fields[field.name] = field
for field in model._meta.local_many_to_many:
if field.remote_field.model:

6
django/db/migrations/graph.py
View File

@ -206,8 +206,7 @@ class MigrationGraph(object):
"""
roots = set()
for node in self.nodes:
if (not any(key[0] == node[0] for key in self.node_map[node].parents)
and (not app or app == node[0])):
if not any(key[0] == node[0] for key in self.node_map[node].parents) and (not app or app == node[0]):
roots.add(node)
return sorted(roots)
@ -221,8 +220,7 @@ class MigrationGraph(object):
"""
leaves = set()
for node in self.nodes:
if (not any(key[0] == node[0] for key in self.node_map[node].children)
and (not app or app == node[0])):
if not any(key[0] == node[0] for key in self.node_map[node].children) and (not app or app == node[0]):
leaves.add(node)
return sorted(leaves)

14
django/db/models/base.py
View File

@ -397,8 +397,8 @@ class Model(six.with_metaclass(ModelBase)):
# data-descriptor object (DeferredAttribute) without triggering its
# __get__ method.
if (field.attname not in kwargs and
(isinstance(self.__class__.__dict__.get(field.attname), DeferredAttribute)
or field.column is None)):
(isinstance(self.__class__.__dict__.get(field.attname), DeferredAttribute) or
field.column is None)):
# This field will be populated on request.
continue
if kwargs:
@ -753,8 +753,8 @@ class Model(six.with_metaclass(ModelBase)):
meta = cls._meta
for parent, field in meta.parents.items():
# Make sure the link fields are synced between parent and self.
if (field and getattr(self, parent._meta.pk.attname) is None
and getattr(self, field.attname) is not None):
if (field and getattr(self, parent._meta.pk.attname) is None and
getattr(self, field.attname) is not None):
setattr(self, parent._meta.pk.attname, getattr(self, field.attname))
self._save_parents(cls=parent, using=using, update_fields=update_fields)
self._save_table(cls=parent, using=using, update_fields=update_fields)
@ -1589,8 +1589,7 @@ class Model(six.with_metaclass(ModelBase)):
# Check if auto-generated name for the field is too long
# for the database.
if (f.db_column is None and column_name is not None
and len(column_name) > allowed_len):
if f.db_column is None and column_name is not None and len(column_name) > allowed_len:
errors.append(
checks.Error(
'Autogenerated column name too long for field "%s". '
@ -1607,8 +1606,7 @@ class Model(six.with_metaclass(ModelBase)):
# for the database.
for m2m in f.remote_field.through._meta.local_fields:
_, rel_name = m2m.get_attname_column()
if (m2m.db_column is None and rel_name is not None
and len(rel_name) > allowed_len):
if m2m.db_column is None and rel_name is not None and len(rel_name) > allowed_len:
errors.append(
checks.Error(
'Autogenerated column name too long for M2M field '

6
django/db/models/deletion.py
View File

@ -132,9 +132,9 @@ class Collector(object):
if not (hasattr(objs, 'model') and hasattr(objs, '_raw_delete')):
return False
model = objs.model
if (signals.pre_delete.has_listeners(model)
or signals.post_delete.has_listeners(model)
or signals.m2m_changed.has_listeners(model)):
if (signals.pre_delete.has_listeners(model) or
signals.post_delete.has_listeners(model) or
signals.m2m_changed.has_listeners(model)):
return False
# The use of from_field comes from the need to avoid cascade back to
# parent when parent delete is cascading to child.

4
django/db/models/expressions.py
View File

@ -395,8 +395,8 @@ class CombinedExpression(Expression):
except FieldError:
rhs_output = None
if (not connection.features.has_native_duration_field and
((lhs_output and lhs_output.get_internal_type() == 'DurationField')
or (rhs_output and rhs_output.get_internal_type() == 'DurationField'))):
((lhs_output and lhs_output.get_internal_type() == 'DurationField') or
(rhs_output and rhs_output.get_internal_type() == 'DurationField'))):
return DurationExpression(self.lhs, self.connector, self.rhs).as_sql(compiler, connection)
if (lhs_output and rhs_output and self.connector == self.SUB and
lhs_output.get_internal_type() in {'DateField', 'DateTimeField', 'TimeField'} and

3
django/db/models/fields/__init__.py
View File

@ -1878,8 +1878,7 @@ class IntegerField(Field):
return int(value)
def get_prep_lookup(self, lookup_type, value):
if ((lookup_type == 'gte' or lookup_type == 'lt')
and isinstance(value, float)):
if lookup_type in ('gte', 'lt') and isinstance(value, float):
value = math.ceil(value)
return super(IntegerField, self).get_prep_lookup(lookup_type, value)

4
django/db/models/fields/files.py
View File

@ -440,8 +440,8 @@ class ImageField(FileField):
return
dimension_fields_filled = not(
(self.width_field and not getattr(instance, self.width_field))
or (self.height_field and not getattr(instance, self.height_field))
(self.width_field and not getattr(instance, self.width_field)) or
(self.height_field and not getattr(instance, self.height_field))
)
# When both dimension fields have values, we are most likely loading
# data from the database or updating an image field that already had

4
django/db/models/lookups.py
View File

@ -275,8 +275,8 @@ class PatternLookup(BuiltinLookup):
# So, for Python values we don't need any special pattern, but for
# SQL reference values or SQL transformations we need the correct
# pattern added.
if (hasattr(self.rhs, 'get_compiler') or hasattr(self.rhs, 'as_sql')
or hasattr(self.rhs, '_as_sql') or self.bilateral_transforms):
if (hasattr(self.rhs, 'get_compiler') or hasattr(self.rhs, 'as_sql') or
hasattr(self.rhs, '_as_sql') or self.bilateral_transforms):
pattern = connection.pattern_ops[self.lookup_name].format(connection.pattern_esc)
return pattern.format(rhs)
else:

6
django/db/models/options.py
View File

@ -384,9 +384,9 @@ class Options(object):
return make_immutable_fields_list(
"fields",
(f for f in self._get_fields(reverse=False) if
is_not_an_m2m_field(f) and is_not_a_generic_relation(f)
and is_not_a_generic_foreign_key(f))
(f for f in self._get_fields(reverse=False)
if is_not_an_m2m_field(f) and is_not_a_generic_relation(f) and
is_not_a_generic_foreign_key(f))
)
@cached_property

4
django/db/models/query.py
View File

@ -443,8 +443,8 @@ class QuerySet(object):
objs = list(objs)
self._populate_pk_values(objs)
with transaction.atomic(using=self.db, savepoint=False):
if (connection.features.can_combine_inserts_with_and_without_auto_increment_pk
and self.model._meta.has_auto_field):
if (connection.features.can_combine_inserts_with_and_without_auto_increment_pk and
self.model._meta.has_auto_field):
self._batched_insert(objs, fields, batch_size)
else:
objs_with_pk, objs_without_pk = partition(lambda o: o.pk is None, objs)

14
django/db/models/sql/query.py
View File

@ -735,9 +735,7 @@ class Query(object):
# Only the first alias (skipped above) should have None join_type
assert self.alias_map[alias].join_type is not None
parent_alias = self.alias_map[alias].parent_alias
parent_louter = (
parent_alias
and self.alias_map[parent_alias].join_type == LOUTER)
parent_louter = parent_alias and self.alias_map[parent_alias].join_type == LOUTER
already_louter = self.alias_map[alias].join_type == LOUTER
if ((self.alias_map[alias].nullable or parent_louter) and
not already_louter):
@ -746,8 +744,8 @@ class Query(object):
# refer to this one.
aliases.extend(
join for join in self.alias_map.keys()
if (self.alias_map[join].parent_alias == alias
and join not in aliases))
if self.alias_map[join].parent_alias == alias and join not in aliases
)
def demote_joins(self, aliases):
"""
@ -1641,8 +1639,7 @@ class Query(object):
# from the model on which the lookup failed.
raise
else:
names = sorted(list(get_field_names_from_opts(opts)) + list(self.extra)
+ list(self.annotation_select))
names = sorted(list(get_field_names_from_opts(opts)) + list(self.extra) + list(self.annotation_select))
raise FieldError("Cannot resolve keyword %r into field. "
"Choices are: %s" % (name, ", ".join(names)))
@ -1963,8 +1960,7 @@ class Query(object):
# used. The proper fix would be to defer all decisions where
# is_nullable() is needed to the compiler stage, but that is not easy
# to do currently.
if ((connections[DEFAULT_DB_ALIAS].features.interprets_empty_strings_as_nulls)
and field.empty_strings_allowed):
if connections[DEFAULT_DB_ALIAS].features.interprets_empty_strings_as_nulls and field.empty_strings_allowed:
return True
else:
return field.null

15
django/forms/models.py
View File

@ -707,8 +707,8 @@ class BaseModelFormSet(BaseFormSet):
uclass, lookup, field, unique_for = date_check
for form in valid_forms:
# see if we have data for both fields
if (form.cleaned_data and form.cleaned_data[field] is not None
and form.cleaned_data[unique_for] is not None):
if (form.cleaned_data and form.cleaned_data[field] is not None and
form.cleaned_data[unique_for] is not None):
# if it's a date lookup we need to get the data for all the fields
if lookup == 'date':
date = form.cleaned_data[unique_for]
@ -806,8 +806,8 @@ class BaseModelFormSet(BaseFormSet):
def pk_is_not_editable(pk):
return (
(not pk.editable) or (pk.auto_created or isinstance(pk, AutoField)) or (
pk.remote_field and pk.remote_field.parent_link
and pk_is_not_editable(pk.remote_field.model._meta.pk)
pk.remote_field and pk.remote_field.parent_link and
pk_is_not_editable(pk.remote_field.model._meta.pk)
)
)
if pk_is_not_editable(pk) or pk.name not in form.fields:
@ -999,9 +999,10 @@ def _get_foreign_key(parent_model, model, fk_name=None, can_fail=False):
# Try to discover what the ForeignKey from model to parent_model is
fks_to_parent = [
f for f in opts.fields
if isinstance(f, ForeignKey)
and (f.remote_field.model == parent_model
or f.remote_field.model in parent_model._meta.get_parent_list())
if isinstance(f, ForeignKey) and (
f.remote_field.model == parent_model or
f.remote_field.model in parent_model._meta.get_parent_list()
)
]
if len(fks_to_parent) == 1:
fk = fks_to_parent[0]

4
django/middleware/common.py
View File

@ -76,8 +76,8 @@ class CommonMiddleware(object):
if settings.APPEND_SLASH and not request.get_full_path().endswith('/'):
urlconf = getattr(request, 'urlconf', None)
return (
not is_valid_path(request.path_info, urlconf)
and is_valid_path('%s/' % request.path_info, urlconf)
not is_valid_path(request.path_info, urlconf) and
is_valid_path('%s/' % request.path_info, urlconf)
)
return False

4
django/middleware/locale.py
View File

@ -39,8 +39,8 @@ class LocaleMiddleware(object):
path_valid = is_valid_path(language_path, urlconf)
path_needs_slash = (
not path_valid and (
settings.APPEND_SLASH and not language_path.endswith('/')
and is_valid_path('%s/' % language_path, urlconf)
settings.APPEND_SLASH and not language_path.endswith('/') and
is_valid_path('%s/' % language_path, urlconf)
)
)

8
django/test/testcases.py
View File

@ -327,8 +327,7 @@ class SimpleTestCase(unittest.TestCase):
def _assert_contains(self, response, text, status_code, msg_prefix, html):
# If the response supports deferred rendering and hasn't been rendered
# yet, then ensure that it does get rendered before proceeding further.
if (hasattr(response, 'render') and callable(response.render)
and not response.is_rendered):
if hasattr(response, 'render') and callable(response.render) and not response.is_rendered:
response.render()
if msg_prefix:
@ -920,9 +919,8 @@ class TransactionTestCase(SimpleTestCase):
for db_name in self._databases_names(include_mirrors=False):
# Flush the database
inhibit_post_migrate = (
self.available_apps is not None
or (
# Inhibit the post_migrate signal when using serialized
self.available_apps is not None or
( # Inhibit the post_migrate signal when using serialized
# rollback to avoid trying to recreate the serialized data.
self.serialized_rollback and
hasattr(connections[db_name], '_test_serialized_contents')

9
django/test/utils.py
View File

@ -423,16 +423,11 @@ def strip_quotes(want, got):
"""
def is_quoted_string(s):
s = s.strip()
return (len(s) >= 2
and s[0] == s[-1]
and s[0] in ('"', "'"))
return len(s) >= 2 and s[0] == s[-1] and s[0] in ('"', "'")
def is_quoted_unicode(s):
s = s.strip()
return (len(s) >= 3
and s[0] == 'u'
and s[1] == s[-1]
and s[1] in ('"', "'"))
return len(s) >= 3 and s[0] == 'u' and s[1] == s[-1] and s[1] in ('"', "'")
if is_quoted_string(want) and is_quoted_string(got):
want = want.strip()[1:-1]

3
django/utils/archive.py
View File

@ -101,8 +101,7 @@ class BaseArchive(object):
def split_leading_dir(self, path):
path = str(path)
path = path.lstrip('/').lstrip('\\')
if '/' in path and (('\\' in path and path.find('/') < path.find('\\'))
or '\\' not in path):
if '/' in path and (('\\' in path and path.find('/') < path.find('\\')) or '\\' not in path):
return path.split('/', 1)
elif '\\' in path:
return path.split('\\', 1)

10
django/utils/timezone.py
View File

@ -288,10 +288,12 @@ def template_localtime(value, use_tz=None):
This function is designed for use by the template engine.
"""
should_convert = (isinstance(value, datetime)
and (settings.USE_TZ if use_tz is None else use_tz)
and not is_naive(value)
and getattr(value, 'convert_to_local_time', True))
should_convert = (
isinstance(value, datetime) and
(settings.USE_TZ if use_tz is None else use_tz) and
not is_naive(value) and
getattr(value, 'convert_to_local_time', True)
)
return localtime(value) if should_convert else value

3
django/utils/translation/trans_real.py
View File

@ -129,8 +129,7 @@ class DjangoTranslation(gettext_module.GNUTranslations):
self._add_installed_apps_translations()
self._add_local_translations()
if (self.__language == settings.LANGUAGE_CODE and self.domain == 'django'
and self._catalog is None):
if self.__language == settings.LANGUAGE_CODE and self.domain == 'django' and self._catalog is None:
# default lang should have at least one translation file available.
raise IOError("No translation files found for default language %s." % settings.LANGUAGE_CODE)
self._add_fallback(localedirs)

4
django/utils/tree.py
View File

@ -102,8 +102,8 @@ class Node(object):
return data
if self.connector == conn_type:
# We can reuse self.children to append or squash the node other.
if (isinstance(data, Node) and not data.negated
and (data.connector == conn_type or len(data) == 1)):
if (isinstance(data, Node) and not data.negated and
(data.connector == conn_type or len(data) == 1)):
# We can squash the other node's children directly into this
# node. We are just doing (AB)(CD) == (ABCD) here, with the
# addition that if the length of the other node is 1 the

19
django/views/debug.py
View File

@ -190,8 +190,8 @@ class SafeExceptionReporterFilter(ExceptionReporterFilter):
current_frame = tb_frame.f_back
sensitive_variables = None
while current_frame is not None:
if (current_frame.f_code.co_name == 'sensitive_variables_wrapper'
and 'sensitive_variables_wrapper' in current_frame.f_locals):
if (current_frame.f_code.co_name == 'sensitive_variables_wrapper' and
'sensitive_variables_wrapper' in current_frame.f_locals):
# The sensitive_variables decorator was used, so we take note
# of the sensitive variables' names.
wrapper = current_frame.f_locals['sensitive_variables_wrapper']
@ -219,8 +219,8 @@ class SafeExceptionReporterFilter(ExceptionReporterFilter):
for name, value in tb_frame.f_locals.items():
cleansed[name] = self.cleanse_special_types(request, value)
if (tb_frame.f_code.co_name == 'sensitive_variables_wrapper'
and 'sensitive_variables_wrapper' in tb_frame.f_locals):
if (tb_frame.f_code.co_name == 'sensitive_variables_wrapper' and
'sensitive_variables_wrapper' in tb_frame.f_locals):
# For good measure, obfuscate the decorated function's arguments in
# the sensitive_variables decorator's frame, in case the variables
# associated with those arguments were meant to be obfuscated from
@ -459,11 +459,12 @@ def technical_404_response(request, exception):
except (IndexError, TypeError, KeyError):
tried = []
else:
if (not tried # empty URLconf
or (request.path == '/'
and len(tried) == 1 # default URLconf
and len(tried[0]) == 1
and getattr(tried[0][0], 'app_name', '') == getattr(tried[0][0], 'namespace', '') == 'admin')):
if (not tried or ( # empty URLconf
request.path == '/' and
len(tried) == 1 and # default URLconf
len(tried[0]) == 1 and
getattr(tried[0][0], 'app_name', '') == getattr(tried[0][0], 'namespace', '') == 'admin'
)):
return default_urlconf(request)
urlconf = getattr(request, 'urlconf', settings.ROOT_URLCONF)

3
django/views/generic/list.py
View File

@ -163,8 +163,7 @@ class BaseListView(MultipleObjectMixin, View):
# When pagination is enabled and object_list is a queryset,
# it's better to do a cheap query than to load the unpaginated
# queryset in memory.
if (self.get_paginate_by(self.object_list) is not None
and hasattr(self.object_list, 'exists')):
if self.get_paginate_by(self.object_list) is not None and hasattr(self.object_list, 'exists'):
is_empty = not self.object_list.exists()
else:
is_empty = len(self.object_list) == 0

2
setup.cfg
View File

@ -4,7 +4,7 @@ install-script = scripts/rpm-install.sh
[flake8]
exclude = build,.git,./django/utils/lru_cache.py,./django/utils/six.py,./django/conf/app_template/*,./django/dispatch/weakref_backports.py,./tests/.env,./xmlrunner,tests/view_tests/tests/py3_test_debug.py,tests/template_tests/annotated_tag_function.py
ignore = E128,E402,W503,W601
ignore = E128,E402,W601
max-line-length = 119
[isort]

4
tests/aggregation_regress/tests.py
View File

@ -983,8 +983,8 @@ class AggregationTests(TestCase):
Book.objects
.annotate(n_authors=Count("authors"))
.filter(
Q(name="The Definitive Guide to Django: Web Development Done Right")
| (Q(name="Artificial Intelligence: A Modern Approach") & Q(n_authors=3))
Q(name="The Definitive Guide to Django: Web Development Done Right") |
(Q(name="Artificial Intelligence: A Modern Approach") & Q(n_authors=3))
)
)
self.assertQuerysetEqual(

20
tests/forms_tests/tests/test_forms.py
View File

@ -941,8 +941,8 @@ value="Should escape &lt; &amp; &gt; and &lt;script&gt;alert(&#39;xss&#39;)&lt;/
password2 = CharField(widget=PasswordInput)
def clean_password2(self):
if (self.cleaned_data.get('password1') and self.cleaned_data.get('password2')
and self.cleaned_data['password1'] != self.cleaned_data['password2']):
if (self.cleaned_data.get('password1') and self.cleaned_data.get('password2') and
self.cleaned_data['password1'] != self.cleaned_data['password2']):
raise ValidationError('Please make sure your passwords match.')
return self.cleaned_data['password2']
@ -980,8 +980,8 @@ value="Should escape &lt; &amp; &gt; and &lt;script&gt;alert(&#39;xss&#39;)&lt;/
def clean(self):
# Test raising a ValidationError as NON_FIELD_ERRORS.
if (self.cleaned_data.get('password1') and self.cleaned_data.get('password2')
and self.cleaned_data['password1'] != self.cleaned_data['password2']):
if (self.cleaned_data.get('password1') and self.cleaned_data.get('password2') and
self.cleaned_data['password1'] != self.cleaned_data['password2']):
raise ValidationError('Please make sure your passwords match.')
# Test raising ValidationError that targets multiple fields.
@ -1120,8 +1120,8 @@ value="Should escape &lt; &amp; &gt; and &lt;script&gt;alert(&#39;xss&#39;)&lt;/
password2 = CharField(widget=PasswordInput)
def clean(self):
if (self.cleaned_data.get('password1') and self.cleaned_data.get('password2')
and self.cleaned_data['password1'] != self.cleaned_data['password2']):
if (self.cleaned_data.get('password1') and self.cleaned_data.get('password2') and
self.cleaned_data['password1'] != self.cleaned_data['password2']):
raise ValidationError(
'Please make sure your passwords match.',
code='password_mismatch',
@ -2309,8 +2309,8 @@ Password: <input type="password" name="password" /></li>
password2 = CharField(widget=PasswordInput)
def clean(self):
if (self.cleaned_data.get('password1') and self.cleaned_data.get('password2')
and self.cleaned_data['password1'] != self.cleaned_data['password2']):
if (self.cleaned_data.get('password1') and self.cleaned_data.get('password2') and
self.cleaned_data['password1'] != self.cleaned_data['password2']):
raise ValidationError('Please make sure your passwords match.')
return self.cleaned_data
@ -2369,8 +2369,8 @@ Password: <input type="password" name="password" /></li>
password2 = CharField(widget=PasswordInput)
def clean(self):
if (self.cleaned_data.get('password1') and self.cleaned_data.get('password2')
and self.cleaned_data['password1'] != self.cleaned_data['password2']):
if (self.cleaned_data.get('password1') and self.cleaned_data.get('password2') and
self.cleaned_data['password1'] != self.cleaned_data['password2']):
raise ValidationError('Please make sure your passwords match.')
return self.cleaned_data

7
tests/gis_tests/geos_tests/test_geos_mutation.py
View File

@ -65,9 +65,10 @@ def api_get_area(x):
def api_get_length(x):
return x.length
geos_function_tests = [val for name, val in vars().items()
if hasattr(val, '__call__')
and name.startswith('api_get_')]
geos_function_tests = [
val for name, val in vars().items()
if hasattr(val, '__call__') and name.startswith('api_get_')
]
@skipUnless(HAS_GEOS, "Geos is required.")

4
tests/or_lookups/tests.py
View File

@ -27,8 +27,8 @@ class OrLookupsTests(TestCase):
def test_filter_or(self):
self.assertQuerysetEqual(
(
Article.objects.filter(headline__startswith='Hello')
| Article.objects.filter(headline__startswith='Goodbye')
Article.objects.filter(headline__startswith='Hello') |
Article.objects.filter(headline__startswith='Goodbye')
), [
'Hello',
'Goodbye',

32
tests/queries/tests.py
View File

@ -1170,8 +1170,7 @@ class Queries1Tests(BaseQuerysetTest):
def test_ticket19672(self):
self.assertQuerysetEqual(
Report.objects.filter(Q(creator__isnull=False) &
~Q(creator__extra__value=41)),
Report.objects.filter(Q(creator__isnull=False) & ~Q(creator__extra__value=41)),
['<Report: r1>']
)
@ -1390,8 +1389,8 @@ class Queries4Tests(BaseQuerysetTest):
q1 = Item.objects.filter(Q(creator__report__name='e1') | Q(creator=self.a1)).order_by()
q2 = (
Item.objects.filter(Q(creator__report__name='e1')).order_by()
| Item.objects.filter(Q(creator=self.a1)).order_by()
Item.objects.filter(Q(creator__report__name='e1')).order_by() |
Item.objects.filter(Q(creator=self.a1)).order_by()
)
self.assertQuerysetEqual(q1, ["<Item: i1>"])
self.assertEqual(str(q1.query), str(q2.query))
@ -3081,12 +3080,10 @@ class NullJoinPromotionOrTest(TestCase):
# Test OR + doubleneg. The expected result is that channel is LOUTER
# joined, program INNER joined
qs1_filter = Identifier.objects.filter(
Q(program__id=p2.id, channel__id=c1.id)
| Q(program__id=p1.id)
Q(program__id=p2.id, channel__id=c1.id) | Q(program__id=p1.id)
).order_by('pk')
qs1_doubleneg = Identifier.objects.exclude(
~Q(Q(program__id=p2.id, channel__id=c1.id)
| Q(program__id=p1.id))
~Q(Q(program__id=p2.id, channel__id=c1.id) | Q(program__id=p1.id))
).order_by('pk')
self.assertQuerysetEqual(qs1_doubleneg, qs1_filter, lambda x: x)
self.assertEqual(str(qs1_filter.query).count('JOIN'),
@ -3106,11 +3103,11 @@ class NullJoinPromotionOrTest(TestCase):
# NOT is pushed to lowest level in the boolean tree, and
# another query where this isn't done.
qs1 = Identifier.objects.filter(
~Q(~Q(program__id=p2.id, channel__id=c1.id)
& Q(program__id=p1.id))).order_by('pk')
~Q(~Q(program__id=p2.id, channel__id=c1.id) & Q(program__id=p1.id))
).order_by('pk')
qs2 = Identifier.objects.filter(
Q(Q(program__id=p2.id, channel__id=c1.id)
| ~Q(program__id=p1.id))).order_by('pk')
Q(Q(program__id=p2.id, channel__id=c1.id) | ~Q(program__id=p1.id))
).order_by('pk')
self.assertQuerysetEqual(qs1, qs2, lambda x: x)
self.assertEqual(str(qs1.query).count('JOIN'),
str(qs2.query).count('JOIN'))
@ -3697,8 +3694,7 @@ class Ticket23605Tests(TestCase):
F("ticket23605b__modelc_fk__field_c0")
) &
# True for a1 (field_b1=True)
Q(ticket23605b__field_b1=True) &
~Q(ticket23605b__pk__in=Ticket23605B.objects.filter(
Q(ticket23605b__field_b1=True) & ~Q(ticket23605b__pk__in=Ticket23605B.objects.filter(
~(
# Same filters as above commented filters, but
# double-negated (one for Q() above, one for
@ -3803,12 +3799,12 @@ class Ticket23622Tests(TestCase):
modelc_fk=c1,
)
qx = (
Q(ticket23605b__pk__in=Ticket23605B.objects.order_by('modela_fk', '-field_b1').distinct('modela_fk'))
& Q(ticket23605b__field_b0__gte=300)
Q(ticket23605b__pk__in=Ticket23605B.objects.order_by('modela_fk', '-field_b1').distinct('modela_fk')) &
Q(ticket23605b__field_b0__gte=300)
)
qy = (
Q(ticket23605b__in=Ticket23605B.objects.order_by('modela_fk', '-field_b1').distinct('modela_fk'))
& Q(ticket23605b__field_b0__gte=300)
Q(ticket23605b__in=Ticket23605B.objects.order_by('modela_fk', '-field_b1').distinct('modela_fk')) &
Q(ticket23605b__field_b0__gte=300)
)
self.assertEqual(
set(Ticket23605A.objects.filter(qx).values_list('pk', flat=True)),

6
tests/serializers/tests.py
View File

@ -398,9 +398,9 @@ def register_tests(test_class, method_name, test_func, exclude=None):
"""
formats = [
f for f in serializers.get_serializer_formats()
if (not isinstance(serializers.get_serializer(f), serializers.BadSerializer)
and not f == 'geojson'
and (exclude is None or f not in exclude))
if (not isinstance(serializers.get_serializer(f), serializers.BadSerializer) and
f != 'geojson' and
(exclude is None or f not in exclude))
]
for format_ in formats:
setattr(test_class, method_name % format_, curry(test_func, format_))