def _build_kml_sources(self, sources):
"""
Go through the given sources and return a 3-tuple of the application
label, module name, and field name of every GeometryField encountered
in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append(
(source._meta.app_label, source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError(
'Must specify a 3-tuple of (app_label, module_name, field_name).'
)
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
def check_generic_foreign_keys(app_configs=None, **kwargs):
from .fields import GenericForeignKey
if app_configs is None:
models = apps.get_models()
else:
models = chain.from_iterable(app_config.get_models()
for app_config in app_configs)
errors = []
fields = (obj for model in models for obj in vars(model).values()
if isinstance(obj, GenericForeignKey))
for field in fields:
errors.extend(field.check())
return errors
def check_model_name_lengths(app_configs=None, **kwargs):
if app_configs is None:
models = apps.get_models()
else:
models = chain.from_iterable(app_config.get_models()
for app_config in app_configs)
errors = []
for model in models:
if len(model._meta.model_name) > 100:
errors.append(
Error(
'Model names must be at most 100 characters (got %d).' %
(len(model._meta.model_name), ),
obj=model,
id='contenttypes.E005',
))
return errors
def check_all_models(app_configs=None, **kwargs):
errors = []
if app_configs is None:
models = apps.get_models()
else:
models = chain.from_iterable(app_config.get_models() for app_config in app_configs)
for model in models:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is currently overridden by %r."
% (model.__name__, model.check),
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def get_context_data(self, **kwargs):
m_list = [m._meta for m in apps.get_models()]
return super().get_context_data(**{**kwargs, 'models': m_list})
def check_models_permissions(app_configs=None, **kwargs):
if app_configs is None:
models = apps.get_models()
else:
models = chain.from_iterable(app_config.get_models()
for app_config in app_configs)
Permission = apps.get_model('auth', 'Permission')
permission_name_max_length = Permission._meta.get_field('name').max_length
errors = []
for model in models:
opts = model._meta
builtin_permissions = dict(_get_builtin_permissions(opts))
# Check builtin permission name length.
max_builtin_permission_name_length = (max(
len(name) for name in builtin_permissions.values())
if builtin_permissions else 0)
if max_builtin_permission_name_length > permission_name_max_length:
verbose_name_max_length = (permission_name_max_length -
(max_builtin_permission_name_length -
len(opts.verbose_name_raw)))
errors.append(
checks.Error(
"The verbose_name of model '%s.%s' must be at most %d characters "
"for its builtin permission names to be at most %d characters."
% (opts.app_label, opts.object_name,
verbose_name_max_length, permission_name_max_length),
obj=model,
id='auth.E007',
))
codenames = set()
for codename, name in opts.permissions:
# Check custom permission name length.
if len(name) > permission_name_max_length:
errors.append(
checks.Error(
"The permission named '%s' of model '%s.%s' is longer than %d characters."
% (name, opts.app_label, opts.object_name,
permission_name_max_length),
obj=model,
id='auth.E008',
))
# Check custom permissions codename clashing.
if codename in builtin_permissions:
errors.append(
checks.Error(
"The permission codenamed '%s' clashes with a builtin permission "
"for model '%s.%s'." %
(codename, opts.app_label, opts.object_name),
obj=model,
id='auth.E005',
))
elif codename in codenames:
errors.append(
checks.Error(
"The permission codenamed '%s' is duplicated for model '%s.%s'."
% (codename, opts.app_label, opts.object_name),
obj=model,
id='auth.E006',
))
codenames.add(codename)
return errors