class packet:
        def __init__(self, type, format, size):
                self.type = type
                self.format = format
                self.size = size
                #ADD TO DICT OF PACKETS
                PACKETDICT[type] = self

        def __str__(self):
                return self.type

        def execute(self,data):
                print data

class RequestLogin(packet):
        def __init__(self):
                packet.__init__(self,"L","s","*")

        def pack(self,data):
                type = pack("c",self.type)
                size = pack("i", len(data) )#override size

                data = pack( str(len(data)) + self.format, data)

                packet = type + size + data
                return packet

class SendLoginInfo(packet):
        def __init__(self):
                packet.__init__(self, "l", "i", 4)

        def pack(self,data):
                type = pack("c",self.type)
                size = pack("i",self.size)
                data = pack(self.format, data)
                packet = type + data
                return packet

pRequestLogin = RequestLogin()
pSendLoginInfo = SendLoginInfo()