"Veek. M" <[email protected]> writes:
> import socket
> class Client(object):
> def __init__(self,addr):
> self.server_addr = addr
> self.sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
> self.sock.connect(addr)
>
> def __getstate__(self):
> return self.server_addr
>
> def __setstate__(self,value):
> self.server_addr = value
> self.sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
> self.sock.connect(self.server_addr)
> -----------------
>
> We'd use it like so:
> x = Client(192.168.0.1)
> import pickle
> pickle.dump(x) #getstate gets called and returns IP for pickling.
>
> #program exits, we restart it
> x=Client(None)
> x = pickle.load(fh) #Is the IP passed to setstate??????
> x.__setstate__(self, unpickledIP) ???
> Is this correct?
Not completely.
"pickle" operates on objects - and calls "__getstate__" and "__setstate__"
internally. Thus, you get something like:
client = Client()
pickle.dump(client, open(fn, "wb"))
....
recreated_client = pickle.load(open(fn, "rb"))
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