dbussy.py 文件源码

def demarshal(celf, buf, error = None) :
        "deserializes a bytes or array-of-bytes object from the wire protocol" \
        " format into a Message object."
        error, my_error = _get_error(error)
        if isinstance(buf, bytes) :
            baseadr = ct.cast(buf, ct.c_void_p).value
        elif isinstance(buf, bytearray) :
            baseadr = ct.addressof((ct.c_ubyte * len(buf)).from_buffer(buf))
        elif isinstance(buf, array.array) and buf.typecode == "B" :
            baseadr = buf.buffer_info()[0]
        else :
            raise TypeError("buf is not bytes, bytearray or array.array of bytes")
        #end if
        msg = dbus.dbus_message_demarshal(baseadr, len(buf), error._dbobj)
        my_error.raise_if_set()
        if msg != None :
            msg = celf(msg)
        #end if
        return \
            msg
    #end demarshal