def _check_ignored_options(self, **kwargs):
warnings = []
if self.has_null_arg:
warnings.append(
checks.Warning(
'null has no effect on ManyToManyField.',
hint=None,
obj=self,
id='fields.W340',
)
)
if len(self._validators) > 0:
warnings.append(
checks.Warning(
'ManyToManyField does not support validators.',
hint=None,
obj=self,
id='fields.W341',
)
)
return warnings
python类Warning()的实例源码
def check_duplicate_emails(app_configs=None, **kwargs):
from accounts.utils import get_duplicate_emails
errors = []
try:
if len(get_duplicate_emails()):
errors.append(
checks.Warning(
_("There are user accounts with duplicate emails. This "
"will not be allowed in Pootle 2.8."),
hint=_("Try using 'pootle find_duplicate_emails', and "
"then update user emails with 'pootle "
"update_user_email username email'. You might also "
"want to consider using pootle merge_user or "
"purge_user commands"),
id="pootle.W017"
)
)
except (OperationalError, ProgrammingError):
# no accounts set up - most likely in a test
pass
return errors
def check_users(app_configs=None, **kwargs):
from django.contrib.auth import get_user_model
errors = []
User = get_user_model()
try:
admin_user = User.objects.get(username='admin')
except (User.DoesNotExist, OperationalError, ProgrammingError):
pass
else:
if admin_user.check_password('admin'):
errors.append(checks.Warning(
_("The default 'admin' user still has a password set to "
"'admin'."),
hint=_("Remove the 'admin' user or change its password."),
id="pootle.W016",
))
return errors
def _check_sql_mode(self, **kwargs):
with self.connection.cursor() as cursor:
cursor.execute("SELECT @@sql_mode")
sql_mode = cursor.fetchone()
modes = set(sql_mode[0].split(',') if sql_mode else ())
if not (modes & {'STRICT_TRANS_TABLES', 'STRICT_ALL_TABLES'}):
return [checks.Warning(
"MySQL Strict Mode is not set for database connection '%s'" % self.connection.alias,
hint="MySQL's Strict Mode fixes many data integrity problems in MySQL, "
"such as data truncation upon insertion, by escalating warnings into "
"errors. It is strongly recommended you activate it. See: "
"https://docs.djangoproject.com/en/%s/ref/databases/#mysql-sql-mode"
% (get_docs_version(),),
id='mysql.W002',
)]
return []
def _check_pattern_startswith_slash(self):
"""
Check that the pattern does not begin with a forward slash.
"""
regex_pattern = self.regex.pattern
if not settings.APPEND_SLASH:
# Skip check as it can be useful to start a URL pattern with a slash
# when APPEND_SLASH=False.
return []
if (regex_pattern.startswith('/') or regex_pattern.startswith('^/')) and not regex_pattern.endswith('/'):
warning = Warning(
"Your URL pattern {} has a regex beginning with a '/'. Remove this "
"slash as it is unnecessary. If this pattern is targeted in an "
"include(), ensure the include() pattern has a trailing '/'.".format(
self.describe()
),
id="urls.W002",
)
return [warning]
else:
return []
def _check_sql_mode(self, **kwargs):
with self.connection.cursor() as cursor:
cursor.execute("SELECT @@sql_mode")
sql_mode = cursor.fetchone()
modes = set(sql_mode[0].split(',') if sql_mode else ())
if not (modes & {'STRICT_TRANS_TABLES', 'STRICT_ALL_TABLES'}):
return [checks.Warning(
"MySQL Strict Mode is not set for database connection '%s'" % self.connection.alias,
hint="MySQL's Strict Mode fixes many data integrity problems in MySQL, "
"such as data truncation upon insertion, by escalating warnings into "
"errors. It is strongly recommended you activate it. See: "
"https://docs.djangoproject.com/en/%s/ref/databases/#mysql-sql-mode"
% (get_docs_version(),),
id='mysql.W002',
)]
return []
def _check_ignored_options(self, **kwargs):
warnings = []
if self.has_null_arg:
warnings.append(
checks.Warning(
'null has no effect on ManyToManyField.',
hint=None,
obj=self,
id='fields.W340',
)
)
if len(self._validators) > 0:
warnings.append(
checks.Warning(
'ManyToManyField does not support validators.',
hint=None,
obj=self,
id='fields.W341',
)
)
return warnings
def _check_ignored_options(self, **kwargs):
warnings = []
if self.has_null_arg:
warnings.append(
checks.Warning(
'null has no effect on ManyToManyField.',
hint=None,
obj=self,
id='fields.W340',
)
)
if len(self._validators) > 0:
warnings.append(
checks.Warning(
'ManyToManyField does not support validators.',
hint=None,
obj=self,
id='fields.W341',
)
)
return warnings
def _check_sql_mode(self, **kwargs):
with self.connection.cursor() as cursor:
cursor.execute("SELECT @@sql_mode")
sql_mode = cursor.fetchone()
modes = set(sql_mode[0].split(',') if sql_mode else ())
if not (modes & {'STRICT_TRANS_TABLES', 'STRICT_ALL_TABLES'}):
return [checks.Warning(
"MySQL Strict Mode is not set for database connection '%s'" % self.connection.alias,
hint="MySQL's Strict Mode fixes many data integrity problems in MySQL, "
"such as data truncation upon insertion, by escalating warnings into "
"errors. It is strongly recommended you activate it. See: "
"https://docs.djangoproject.com/en/%s/ref/databases/#mysql-sql-mode"
% (get_docs_version(),),
id='mysql.W002',
)]
return []
def _check_ignored_options(self, **kwargs):
warnings = []
if self.null:
warnings.append(
checks.Warning(
'null has no effect on ManyToManyField.',
hint=None,
obj=self,
id='fields.W340',
)
)
if len(self._validators) > 0:
warnings.append(
checks.Warning(
'ManyToManyField does not support validators.',
hint=None,
obj=self,
id='fields.W341',
)
)
return warnings
def _check_unique(self, **kwargs):
return [
checks.Warning(
'Setting unique=True on a ForeignKey has the same effect as using a OneToOneField.',
hint='ForeignKey(unique=True) is usually better served by a OneToOneField.',
obj=self,
id='fields.W342',
)
] if self.unique else []
def _check_deprecation_details(self):
if self.system_check_removed_details is not None:
return [
checks.Error(
self.system_check_removed_details.get(
'msg',
'%s has been removed except for support in historical '
'migrations.' % self.__class__.__name__
),
hint=self.system_check_removed_details.get('hint'),
obj=self,
id=self.system_check_removed_details.get('id', 'fields.EXXX'),
)
]
elif self.system_check_deprecated_details is not None:
return [
checks.Warning(
self.system_check_deprecated_details.get(
'msg',
'%s has been deprecated.' % self.__class__.__name__
),
hint=self.system_check_deprecated_details.get('hint'),
obj=self,
id=self.system_check_deprecated_details.get('id', 'fields.WXXX'),
)
]
return []
def _check_max_length_warning(self):
if self.max_length is not None:
return [
checks.Warning(
"'max_length' is ignored when used with IntegerField",
hint="Remove 'max_length' from field",
obj=self,
id='fields.W122',
)
]
return []
def _check_search_fields(cls, **kwargs):
errors = []
for field in cls.get_search_fields():
message = "{model}.search_fields contains field '{name}' but it doesn't exist"
if not cls._has_field(field.field_name):
errors.append(
checks.Warning(
message.format(model=cls.__name__, name=field.field_name),
obj=cls,
)
)
return errors
def check_library_versions(app_configs=None, **kwargs):
from django import VERSION as DJANGO_VERSION
from lxml.etree import LXML_VERSION
from translate.__version__ import ver as ttk_version
errors = []
if DJANGO_VERSION < DJANGO_MINIMUM_REQUIRED_VERSION:
errors.append(checks.Critical(
_("Your version of Django is too old."),
hint=_("Try pip install --upgrade 'Django==%s'",
_version_to_string(DJANGO_MINIMUM_REQUIRED_VERSION)),
id="pootle.C002",
))
if LXML_VERSION < LXML_MINIMUM_REQUIRED_VERSION:
errors.append(checks.Warning(
_("Your version of lxml is too old."),
hint=_("Try pip install --upgrade lxml"),
id="pootle.W003",
))
if ttk_version < TTK_MINIMUM_REQUIRED_VERSION:
errors.append(checks.Critical(
_("Your version of Translate Toolkit is too old."),
hint=_("Try pip install --upgrade translate-toolkit"),
id="pootle.C003",
))
return errors
def check_redis(app_configs=None, **kwargs):
from django_rq.queues import get_queue
from django_rq.workers import Worker
errors = []
try:
queue = get_queue()
Worker.all(queue.connection)
except Exception as e:
conn_settings = queue.connection.connection_pool.connection_kwargs
errors.append(checks.Critical(
_("Could not connect to Redis (%s)", e),
hint=_("Make sure Redis is running on "
"%(host)s:%(port)s") % conn_settings,
id="pootle.C001",
))
else:
redis_version = tuple(int(x) for x
in (queue.connection
.info()["redis_version"].split(".")))
if redis_version < REDIS_MINIMUM_REQUIRED_VERSION:
errors.append(checks.Critical(
_("Your version of Redis is too old."),
hint=_("Update your system's Redis server package to at least "
"version %s", str(REDIS_MINIMUM_REQUIRED_VERSION)),
id="pootle.C007",
))
if len(queue.connection.smembers(Worker.redis_workers_keys)) == 0:
# We need to check we're not running manage.py rqworker right now..
import sys
if len(sys.argv) > 1 and sys.argv[1] in RQWORKER_WHITELIST:
errors.append(checks.Warning(
_("No RQ Worker running."),
hint=_("Run new workers with manage.py rqworker"),
id="pootle.W001",
))
return errors
def warning(app_configs, **kwargs):
return [checks.Warning('some warning', id='tests.checks.W001')]
def check_migrations_applied(app_configs, **kwargs):
"""
A Django check to see if all migrations have been applied correctly.
"""
from django.db.migrations.loader import MigrationLoader
errors = []
# Load migrations from disk/DB
try:
loader = MigrationLoader(connection, ignore_no_migrations=True)
except (ImproperlyConfigured, ProgrammingError, OperationalError):
msg = "Can't connect to database to check migrations"
return [checks.Info(msg, id=INFO_CANT_CHECK_MIGRATIONS)]
if app_configs:
app_labels = [app.label for app in app_configs]
else:
app_labels = loader.migrated_apps
for node, migration in loader.graph.nodes.items():
if migration.app_label not in app_labels:
continue
if node not in loader.applied_migrations:
msg = 'Unapplied migration {}'.format(migration)
# NB: This *must* be a Warning, not an Error, because Errors
# prevent migrations from being run.
errors.append(checks.Warning(msg, id=WARNING_UNAPPLIED_MIGRATION))
return errors
def _check_unique(self, **kwargs):
return [
checks.Warning(
'Setting unique=True on a ForeignKey has the same effect as using a OneToOneField.',
hint='ForeignKey(unique=True) is usually better served by a OneToOneField.',
obj=self,
id='fields.W342',
)
] if self.unique else []
def _check_ignored_options(self, **kwargs):
warnings = []
if self.has_null_arg:
warnings.append(
checks.Warning(
'null has no effect on ManyToManyField.',
obj=self,
id='fields.W340',
)
)
if len(self._validators) > 0:
warnings.append(
checks.Warning(
'ManyToManyField does not support validators.',
obj=self,
id='fields.W341',
)
)
if (self.remote_field.limit_choices_to and self.remote_field.through and
not self.remote_field.through._meta.auto_created):
warnings.append(
checks.Warning(
'limit_choices_to has no effect on ManyToManyField '
'with a through model.',
obj=self,
id='fields.W343',
)
)
return warnings
def _check_deprecation_details(self):
if self.system_check_removed_details is not None:
return [
checks.Error(
self.system_check_removed_details.get(
'msg',
'%s has been removed except for support in historical '
'migrations.' % self.__class__.__name__
),
hint=self.system_check_removed_details.get('hint'),
obj=self,
id=self.system_check_removed_details.get('id', 'fields.EXXX'),
)
]
elif self.system_check_deprecated_details is not None:
return [
checks.Warning(
self.system_check_deprecated_details.get(
'msg',
'%s has been deprecated.' % self.__class__.__name__
),
hint=self.system_check_deprecated_details.get('hint'),
obj=self,
id=self.system_check_deprecated_details.get('id', 'fields.WXXX'),
)
]
return []
def _check_max_length_warning(self):
if self.max_length is not None:
return [
checks.Warning(
"'max_length' is ignored when used with IntegerField",
hint="Remove 'max_length' from field",
obj=self,
id='fields.W122',
)
]
return []
def _check_pattern_name(self):
"""
Check that the pattern name does not contain a colon.
"""
if self.name is not None and ":" in self.name:
warning = Warning(
"Your URL pattern {} has a name including a ':'. Remove the colon, to "
"avoid ambiguous namespace references.".format(self.describe()),
id="urls.W003",
)
return [warning]
else:
return []
def _check_include_trailing_dollar(self):
"""
Check that include is not used with a regex ending with a dollar.
"""
regex_pattern = self.regex.pattern
if regex_pattern.endswith('$') and not regex_pattern.endswith(r'\$'):
warning = Warning(
"Your URL pattern {} uses include with a regex ending with a '$'. "
"Remove the dollar from the regex to avoid problems including "
"URLs.".format(self.describe()),
id="urls.W001",
)
return [warning]
else:
return []
def check_speedups(app_configs, **kwargs):
errors = []
if not speedups.available:
errors.append(
checks.Warning(
'Your shapely version does not have speedups enabled. This will significantly slow down c3nav!',
obj='rtree.index.Index',
id='c3nav.mapdata.W001',
)
)
return errors
def check_svg_renderer(app_configs, **kwargs):
errors = []
if not rtree_index:
errors.append(
checks.Warning(
'The libspatialindex_c library is missing. This will slow down c3nav in future versions.',
obj='rtree.index.Index',
id='c3nav.mapdata.W002',
)
)
return errors
def _check_unique(self, **kwargs):
return [
checks.Warning(
'Setting unique=True on a ForeignKey has the same effect as using a OneToOneField.',
hint='ForeignKey(unique=True) is usually better served by a OneToOneField.',
obj=self,
id='fields.W342',
)
] if self.unique else []
def _check_ignored_options(self, **kwargs):
warnings = []
if self.has_null_arg:
warnings.append(
checks.Warning(
'null has no effect on ManyToManyField.',
obj=self,
id='fields.W340',
)
)
if len(self._validators) > 0:
warnings.append(
checks.Warning(
'ManyToManyField does not support validators.',
obj=self,
id='fields.W341',
)
)
if (self.remote_field.limit_choices_to and self.remote_field.through and
not self.remote_field.through._meta.auto_created):
warnings.append(
checks.Warning(
'limit_choices_to has no effect on ManyToManyField '
'with a through model.',
obj=self,
id='fields.W343',
)
)
return warnings
def _check_deprecation_details(self):
if self.system_check_removed_details is not None:
return [
checks.Error(
self.system_check_removed_details.get(
'msg',
'%s has been removed except for support in historical '
'migrations.' % self.__class__.__name__
),
hint=self.system_check_removed_details.get('hint'),
obj=self,
id=self.system_check_removed_details.get('id', 'fields.EXXX'),
)
]
elif self.system_check_deprecated_details is not None:
return [
checks.Warning(
self.system_check_deprecated_details.get(
'msg',
'%s has been deprecated.' % self.__class__.__name__
),
hint=self.system_check_deprecated_details.get('hint'),
obj=self,
id=self.system_check_deprecated_details.get('id', 'fields.WXXX'),
)
]
return []
def _check_max_length_warning(self):
if self.max_length is not None:
return [
checks.Warning(
"'max_length' is ignored when used with IntegerField",
hint="Remove 'max_length' from field",
obj=self,
id='fields.W122',
)
]
return []
