client.py 文件源码

def __dump(self, value, write):
        try:
            f = self.dispatch[type(ensure_new_type(value))]
        except KeyError:
            # check if this object can be marshalled as a structure
            if not hasattr(value, '__dict__'):
                raise TypeError("cannot marshal %s objects" % type(value))
            # check if this class is a sub-class of a basic type,
            # because we don't know how to marshal these types
            # (e.g. a string sub-class)
            for type_ in type(value).__mro__:
                if type_ in self.dispatch.keys():
                    raise TypeError("cannot marshal %s objects" % type(value))
            # XXX(twouters): using "_arbitrary_instance" as key as a quick-fix
            # for the p3yk merge, this should probably be fixed more neatly.
            f = self.dispatch["_arbitrary_instance"]
        f(self, value, write)