checkers.py 文件源码

def requestAvatarId(self, credentials):
        ifac = interface.providedBy(credentials)
        for i in ifac:
            c = self.checkers.get(i)
            if c is not None:
                return c.requestAvatarId(credentials).addCallback(
                    self._cbGoodAuthentication, credentials)
        return defer.fail(UnhandledCredentials("No checker for %s" % \
            ', '.join(map(reflect.qal, ifac))))