try:
UserCls = import_string(model_path)
except ImportError:
raise ImproperlyConfigured('Error importing user model class: "%s"' % model_path)
except AttributeError:
raise ImproperlyConfigured('Module does not define a class "%s"' % model_path)
try:
AnonUserCls = import_string(anon_model_path)
except ImportError:
raise ImproperlyConfigured('Error importing Anonymous user model class: "%s"' % anon_model_path)
except AttributeError:
raise ImproperlyConfigured('Module does not define a class "%s"' % anon_model_path)
return UserCls, AnonUserCls
_get_user_models = memoize(_get_user_models, _user_model_cache, 1)
def get_user_model(model_name=None):
"""
Used to get access to defined user models.
from newauth.models import User, get_user_model
OtherUser = get_user_model('other')
class MyProfile(models.Model):
user = models.ForeignKey(User)
other_user_type = models.ForeignKey(OtherUser)
"""
return _get_user_models(model_name)[0]
"""
backend_data = _get_backend_data().get(backend_name)
if not backend_data:
raise ImproperlyConfigured('The specified backend "%s" does not exist. Is NEWAUTH_BACKENDS a correctly defined dict?' % backend_name)
backends = []
for path in backend_data['backend']:
try:
cls = import_string(path)
except (ImportError, AttributeError), e:
raise ImproperlyConfigured('Error importing authentication backend %s: "%s"' % (path, e))
except ValueError, e:
raise ImproperlyConfigured('Error importing authentication backends. Is NEWAUTH_BACKENDS a correctly defined dict?')
backends.append(cls(backend_name))
return backends
load_backends = memoize(load_backends, _auth_backend_cache, 1)
def get_backends(backend_names=None):
"""
Load all auth backends and return them as a (name, backend) two tuple.
"""
all_backend_names = _get_backend_data().keys()
if backend_names is None:
backend_names = all_backend_names
else:
backend_names = filter(lambda b: b in backend_names, all_backend_names)
backends = []
for backend_name in backend_names:
backends.append((backend_name, load_backends(backend_name)))
return backends
