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[Fab-user] warn_only not applying to some errors
From: |
David Mcilwee |
Subject: |
[Fab-user] warn_only not applying to some errors |
Date: |
Fri, 6 Jan 2012 15:02:06 +0000 |
Hi all,
First off its for:
Fabric 1.3.1
which was obtained by pip from pypi
I'm making quite a few calls like:
with settings(warn_only=True):
result = run("/some/command")
Now if there is a problem with connecting to the target I get the
following error message:
Fatal error: Low level socket error connecting to host xxx.xxx.xxx.xxx:
Connection refused
Aborting.
This boots me straight out as it calls sys.exit(1) and doesn't give the
calling function any indication of the actual error.
As this is all going on inside some automated scripts which never have
any manual intervention its causing some issues.
The main thing is that I've no way of finding out that error text as its
printed directly to stderr. And that sys.exit(1) is being called
regardless of how the initial fabric calls are being invoked.
I've tracked this down to several of the low level connect methods in
fabric/networking.py calling abort() directly. ( connect(user, host,
port) when it throws an exception is the main example)
Is this by design? (Directly calling abort and hence sys.exit)
It'd be quite handy if I could specify that abort is to raise an
exception and not call sys.exit for use during completely automated
scripts
Thanks,
--
David Mcilwee
Software Engineer
Blacknight Solutions
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