From e716fad03deed5de5f132a40302c3f1305709c11 Mon Sep 17 00:00:00 2001 From: Pablo Hoffman Date: Thu, 18 Jun 2009 09:44:02 -0300 Subject: [PATCH] engine: log error when reactor.listenTCP fails instead of failing --- scrapy/core/engine.py | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 1da950521..77fef119c 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -7,6 +7,7 @@ For more information see docs/topics/architecture.rst from datetime import datetime from twisted.internet import defer, reactor, task +from twisted.internet.error import CannotListenError from twisted.python.failure import Failure from pydispatch import dispatcher @@ -126,7 +127,10 @@ class ExecutionEngine(object): for tsk, interval, now in self.tasks: tsk.start(interval, now) for args, kwargs in [t for t in self.ports if isinstance(t, tuple)]: - reactor.listenTCP(*args, **kwargs) + try: + reactor.listenTCP(*args, **kwargs) + except CannotListenError: + log.msg("Cannot listen on TCP port %d" % args[0], level=log.ERROR) self.running = True if control_reactor: reactor.run() # blocking call