What is the de facto library for creating Python Daemons

Question

I am attempting to use the python-daemon library which seemed to me to be the safest way to create a Daemon without forgetting anything. The documentation is quite poor, being just PEP 3143.

On the other hand, I have found a lot of links to Sander Marechal's A simple unix/linux daemon in Python. This looks to be a nicer solution or though I have not yet attempted to use it.

Edit: I have used Sander Marechal's solution and it seems to work nicely.

So what is the de facto way in the Python community to create a Daemon, is it one of these libraries, or simply doing it all yourself (forking twice etc.)?

Also, you would think that any library with a PEP would be a far better choice since it is closer to a comprehensive way of creating a Daemon (or at least a more standard way) than any other solution. So what is the deal with this python-daemon package, would it ever be included in the standard library?

The link of Sander Marechal referenced in the (self-answered) answer was broken in both places. Corrected — Rusi, Feb 12 '19 at 17:14

score 10 · Accepted Answer · edited Feb 12 '19 at 12:37

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I went with Sander Marechal's A simple unix/linux daemon in Python, it is simple, and you work with it by creating a subclass and overriding the run() method, which feels a very natural way to do things (rather than the with context: approach of the python-daemon module.

edited Feb 12 '19 at 12:37

Rusi

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answered Jan 28 '11 at 15:56

Marcus Whybrow

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Corrected the broken link. Also checked that the new link and the one on web-archive are the same modulo white-space differences. – Rusi Feb 12 '19 at 11:59
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You could share implementation and and reference link separately. The reference link is broken... – Oct 30 '20 at 02:06
@lapestand You'll have to forgive that I am no longer am knowledgeable enough to answer this question; owing to the fact of nine years passing. – Marcus Whybrow Oct 31 '20 at 04:13

bignose · Answer 2 · 2017-04-09T06:23:38.183

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For making a daemon program that will work correctly with the various runners in operating systems (e.g. init, systemd, launchd), the python-daemon library is the de facto way to write just the daemon part and let the operating system do the rest of the job correctly.

edited Apr 09 '17 at 06:23

answered Feb 02 '16 at 00:12

bignose

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score 1 · Answer 3 · answered Jan 25 '11 at 13:38

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Twisted comes with twistd.

http://twistedmatrix.com/documents/current/core/howto/basics.html

You can wrap your application as a plugin for twistd.

answered Jan 25 '11 at 13:38

Eddy Pronk

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Isn't twisted quite large a requirement if all you want to do is create a Daemon? – Marcus Whybrow Jan 25 '11 at 14:32
I agree. For a new application it is worth considering. – Eddy Pronk Jan 26 '11 at 16:20

What is the de facto library for creating Python Daemons

3 Answers3

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