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# -*- coding: utf-8 -*- |
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from __future__ import unicode_literals |
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""" |
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Backend |
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This is a modification of django-registration_ ``backends/__init__.py`` |
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The original code is written by James Bennett |
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.. _django-registration: https://bitbucket.org/ubernostrum/django-registration |
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Original License:: |
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Copyright (c) 2007-2011, James Bennett |
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All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions are |
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met: |
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* Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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* Redistributions in binary form must reproduce the above |
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copyright notice, this list of conditions and the following |
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disclaimer in the documentation and/or other materials provided |
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with the distribution. |
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* Neither the name of the author nor the names of other |
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contributors may be used to endorse or promote products derived |
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from this software without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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""" |
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__author__ = 'Alisue <[email protected]>' |
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__all__ = ('get_backend', 'RegistrationBackendBase') |
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from django.core.exceptions import ImproperlyConfigured |
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from registration.conf import settings |
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from registration.compat import import_module |
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from registration.backends.base import RegistrationBackendBase |
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View Code Duplication |
def get_backend_class(path=None): |
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""" |
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Return an class of a registration backend, given the dotted |
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Python import path (as a string) to the backend class. |
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If the backend cannot be located (e.g., because no such module |
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exists, or because the module does not contain a class of the |
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appropriate name), ``django.core.exceptions.ImproperlyConfigured`` |
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is raised. |
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""" |
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path = path or settings.REGISTRATION_BACKEND_CLASS |
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i = path.rfind('.') |
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module, attr = path[:i], path[i+1:] |
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try: |
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mod = import_module(module) |
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except ImportError as e: |
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raise ImproperlyConfigured( |
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'Error loading registration backend %s: "%s"' % (module, e)) |
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try: |
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cls = getattr(mod, attr) |
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except AttributeError: |
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raise ImproperlyConfigured(( |
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'Module "%s" does not define a registration backend named "%s"' |
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) % (module, attr)) |
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if cls and not issubclass(cls, RegistrationBackendBase): |
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raise ImproperlyConfigured(( |
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'Registration backend class "%s" must be a subclass of ' |
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'``registration.backends.RegistrationBackendBase``') % path) |
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return cls |
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def get_backend(path=None): |
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""" |
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Return an instance of a registration backend, given the dotted |
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Python import path (as a string) to the backend class. |
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If the backend cannot be located (e.g., because no such module |
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exists, or because the module does not contain a class of the |
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appropriate name), ``django.core.exceptions.ImproperlyConfigured`` |
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is raised. |
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""" |
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return get_backend_class(path)() |
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lambdalisue /
django-inspectional-registration
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