Mah auth policy for Pyramid =)

myauthpolicy.py

# Let it be known that this code was written by the very awesome and talented @mmerickel
#
# Thanks! Much appreciated.

class BertsAuthPolicyMakerFactoryConfig(object):
    def __init__(self, policy_factory, attr='auth_policy'):
        self.policy_factory = policy_factory
        self.attr = attr
        
    def _get_policy(self, request):
        policy = getattr(request, self.attr, None)
        if policy is None:
            policy = self.policy_factory(request)
            setattr(request, self.attr, policy)
        return policy
        
    def unauthenticated_userid(self, request):
        return self._get_policy(request).unauthenticated_userid
        
    def authenticated_userid(self, request):
        return self._get_policy(request).authenticated_userid
        
    def effective_principals(self, request):
        return self._get_policy(request).effective_principals
        
def BertsSuperCoolAuthPolicyFactory(object):
    def __init__(self, request):
        self.request = request
        
    @property
    def unauthenticated_userid(self):
        return 42
        
    @property
    def authenticated_userid(self):
        return self.unauthenticated_userid
    
    @property
    def effective_principals(self):
        return [Everyone]
        
auth_policy = BertsAuthPolicyMakerFactoryConfig(BertsSuperCoolAuthPolicyFactory)