def has_credentials(self):
        return (self.credentials and not self.credentials.invalid
                and self.credentials.has_scopes(self.scopes))
Returns the value coming in on the input port named **port_name**.
dataset/ETHPy150Open google/oauth2client/oauth2client/contrib/django_util/__init__.py/UserOAuth2.has_credentials--crossover with--dataset/ETHPy150Open VisTrails/VisTrails/vistrails/core/modules/vistrails_module.py/Module.get_input