Revision 0dd46210

b/snf-astakos-app/astakos/im/activation_backends.py
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    """
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    Returns an instance of an activation backend,
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    according to the INVITATIONS_ENABLED setting
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    (if True returns ``astakos.im.activation_backends.InvitationsBackend`` and if False
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    (if True returns ``astakos.im.activation_backends.InvitationsBackend``
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    and if False
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    returns ``astakos.im.activation_backends.SimpleBackend``).
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    If the backend cannot be located ``django.core.exceptions.ImproperlyConfigured``


  		





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    is raised.


  		





  
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    If the backend cannot be located


  		





  
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    ``django.core.exceptions.ImproperlyConfigured`` is raised.


  		





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    """


  		





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    module = 'astakos.im.activation_backends'


  		





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    prefix = 'Invitations' if INVITATIONS_ENABLED else 'Simple'


  		





  ......




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    try:


  		





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        backend_class = getattr(mod, backend_class_name)


  		





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    except AttributeError:


  		





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        raise ImproperlyConfigured('Module "%s" does not define a activation backend named "%s"' % (module, backend_class_name))


  		





  
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        raise ImproperlyConfigured(


  		





  
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            'Module "%s" does not define a activation backend named "%s"' % (


  		





  
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                module, backend_class_name))


  		





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    return backend_class(request)


  		





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