Add a logout method to the API for application convenience.

Tres Seaver

2010-10-01 924f24fd8a190e4792ce3fcd1aad3c2695d7ff25

 repoze/who/api.py

@@ -249,6 +249,16 @@
            headers = identifier.forget(self.environ, None)
            return None, headers

    def logout(self, identifier_name=None):
        """ See IAPI.
        """
        if identifier_name is not None:
            identifier = self.name_registry[identifier_name]
        else:
            identifier = self.identifiers[0][1]
        # Pretend that the given identifier extracted the identity.
        return identifier.forget(self.environ, None)

    def _identify(self):
        """ See IAPI.
        """