How to empty a socket in python?
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by luc
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Published on 2009-07-08T13:10:12Z
Indexed on
2010/05/27
7:41 UTC
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I need to empty the data on a socket (making sure that there is nothing to receive). Unfortunately, there is no function for this in the python socket module.
I've implemented something this way:
def empty_socket(sock):
"""remove the data present on the socket"""
input = [sock]
while 1:
inputready, o, e = select.select(input,[],[], 0.0)
if len(inputready)==0: break
for s in inputready: s.recv(1)
What do you think? Is there a better way to do that?
Update: I don't want to change the socket timeout. What's why i prefer a select to a read.
Update: The original question was using the 'flush' term. It seems that 'empty' is a better term.
Update - 2010-02-27 : I've noticed a bug after when the pair has closed. The inputready is always filled with the sockets. I fixed that by adding a maximum number of loops. Is there a better fix?
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