[Python-ideas] Draft PEP: Standard daemon process library

Guido van Rossum guido at python.org
Tue Jan 27 00:02:52 CET 2009

Was that you in the YouTube video that was one of the first hits for
"PyCon daemon" ? That was hilarious. :-)

On Mon, Jan 26, 2009 at 2:55 PM, Jerry Seutter <jseutter at gmail.com> wrote:
> It would be nice if this functionality could work on windows machine as well
> as unix flavors.
> I wrote the package at http://daemonize.sourceforge.net in frustration after
> seeing daemons built poorly several times.  Some of the instances had been
> done incorrectly even after the developer had been pointed to the
> ActiveState page.  Understanding why a daemon should be written the way it
> is requires a fair bit of historical knowledge that younger people
> occasionally do not have.
> Some of the recent grads hired at my workplace did not know what a daemon
> was.  "Oh, like a web container?"
> Jerry Seutter
> On Mon, Jan 26, 2009 at 3:40 PM, Ben Finney <ben+python at benfinney.id.au>
> wrote:
>> Guido van Rossum writes:
>> > On Sun, Jan 25, 2009 at 2:11 PM, Ben Finney wrote:
>> > > I am preparing a PEP, and corresponding reference implementation,
>> > > for a standard implementation of the steps needed to turn a
>> > > program into a well-behaved Unix daemon.
>> >
>> > I would like to note that there are many existing packages that
>> > provide support for daemonization […]
>> Good point, thanks (and thanks to others in this thread for drawing my
>> attention to some more that I hadn't yet found).
>> I will make note, in the next revision, of the existing equivalent
>> Python works of which I'm aware, and how their implementation differs
>> from the intent of this PEP. If anyone feels I'm missing any, I would
>> be happy to be informed.
>> > I have an inkling that this is one of those problems where the many
>> > solutions that are hard to compare, because they have different APIs
>> > or make different assumptions about the ultimate goals.
>> This suspicion could well be true.
>> On the other hand, there already seems to be a good amount of positive
>> support for the PEP, so I'd like to attempt to come to a sensible API
>> that covers most use cases.
>> Is 'python-ideas' the right forum to hash this out? Or is now the
>> right time to subject it to the inevitable by posting to
>> 'comp.lang.python'?
>> --
>>  \       "Pinky, are you pondering what I'm pondering?" "Well, I think |
>>  `\   so, Brain, but it's a miracle that this one grew back." —_Pinky |
>> _o__)                                                   and The Brain_ |
>> Ben Finney
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--Guido van Rossum (home page: http://www.python.org/~guido/)

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