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Fixed listen_tcp function when receiving None or 0 in portrange argument. Closes #252

This commit is contained in:
Pablo Hoffman 2010-09-27 12:27:32 -03:00
parent 9206806770
commit 49ffe528a3
1 changed files with 3 additions and 1 deletions
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4
scrapy/utils/reactor.py
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@ -2,9 +2,11 @@ from twisted.internet import reactor, error
def listen_tcp(portrange, factory):
"""Like reactor.listenTCP but tries different ports in a range."""
assert len(portrange) in [1, 2], "invalid portrange: %s" % portrange
assert len(portrange) <= 2, "invalid portrange: %s" % portrange
if not hasattr(portrange, '__iter__'):
return reactor.listenTCP(portrange, factory)
if not portrange:
return reactor.listenTCP(0, factory)
if len(portrange) == 1:
return reactor.listenTCP(portrange[0], factory)
for x in range(portrange[0], portrange[1]+1):