Daemon loses __file__ reference after a while.
Ervin Hegedüs
airween at gmail.com
Tue Jul 24 08:24:31 EDT 2012
hello,
On Tue, Jul 24, 2012 at 04:48:42AM -0700, ivdneut at gmail.com wrote:
> Hello,
>
> I have a daemon process that runs for a considerable amount of time (weeks on end) without any problems. At some point I start getting the exception:
>
> Exception info: Traceback (most recent call last):
> File "scheduler.py", line 376, in applyrule
> result = execrule(rule_code)
> File "scheduler.py", line 521, in execrule
> rulepath = os.path.dirname(__file__)+"/"+'/'.join(rule['modules'])+"/"+rule['rulename']
> NameError: name '__file__' is not defined
>
> This section of the code is executed in this process *all the time*, but suddenly stops working. I have been searching for similar issues online, but only come accross people having problems because they run the script interactively. This is not the case here.
could you send the relevant part of the code?
I mean: how do you daemonize your process?
> I am running python from a virtual-env installation from a stock Red Hat EL 6.2 installation:
>
> (virtual-env)[user at host ~]$ python --version
> Python 2.6.6
> (virtual-env)[user at host ~]$ cat /etc/redhat-release
> Red Hat Enterprise Linux Server release 6.2 (Santiago)
If you use fork(), it drops all file descriptors, and creates new
ones - may be then loss the __file__...?
a.
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I � UTF-8
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