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Fri Jul 26 19:07:35 CEST 2013 · https://mail.python.org/pipermail/python-dev/2013-July/127608.html

On Fri, 26 Jul 2013 09:38:10 +0200
Ronald Oussoren <ronaldoussoren at mac.com> wrote:
> 
> On 25 Jul, 2013, at 4:18, Ben Finney <ben+python at benfinney.id.au> wrote:
> 
> > Ben Finney <ben+python at benfinney.id.au> writes:
> > 
> >> Work continues on the PEP 3143-compatible ‘python-daemon’, porting it to
> >> Python 3 and aiming for inclusion in the standard library.
> 
> At first glance the library appears to close all open files, with an option
> to exclude some specific file descriptors (that is, you need to pass a list
> of files that shouldn't be closed). 

Indeed, it's annoying when you want to setup logging before
daemonization starts. I had to hack my way through logging handlers to
find the fd I had to keep open.

> That makes it a lot harder to do some initialization before daemonizing.
> I prefer to perform at least some initialization early in program startup to
> be able to give sensible error messages. I've had too many initscripts that
> claimed to have started a daemon sucessfully, only to have that daemon stop
> right away because it noticed a problem right after it detached itself.

Agreed.

Regards

Antoine.

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Showing content from https://mail.python.org/pipermail/python-dev/2013-July/127608.html below:

[Python-Dev] Daemon creation code in the standard library