While I understand the complexity of 1. I think shipping a version of 
Django without
an equivalent inotify replacement such as watchdog could be problematic.

>From my personal experience when using Django's development server in Docker
containers sharing local volumes installing pyinotify resulted a 
significant performance
CPU and I/O improvement.

Simon

Le samedi 6 octobre 2018 15:32:33 UTC-4, Tom Forbes a écrit :
>
> What do we think about removing the pyinotify functionality in the 
> autoreloader? For context, if pyinotify is installed (Linux only) the 
> autoreloader will attempt to use it to detect file changes over the 
> standard polling-based approach. It is generally much more efficient but is 
> not cross platform, and is not well documented currently IMO.
>
> I’m hacking away at my attempt at refactoring the autoreloader (
> https://github.com/django/django/pull/8819) and I’ve made some good 
> progress but I am worried about the lack of tests for pyinotify (there are 
> none!). The current code in master works but it’s really hard to refactor 
> in any meaningful way without them. I would very much like to explore 
> adding support for watchdog (https://pythonhosted.org/watchdog/) instead 
> of pyinotify and these changes I’m working on are a means to that end.
>
> Wwatchdog is a library that wraps efficient platform-specific filesystem 
> notifications in cross-platform way, and it includes an inotify 
> implementation. 
>
> So I think there are three ways forward:
>
>    1. 
>    
>    Spend time and effort adding special tests for PyInotify (testing this 
>    stuff is not simple, especially with the current code)
>    2. 
>    
>    Remove the functionality with an eye to using something like watchdog 
>    in the near future
>    3. 
>    
>    Never really touch the autoreloader much (it is some of the oldest and 
>    nastiest code we have).
>    
> Does anyone have any strong opinions on this? Does anyone use the 
> pyinotify speedup while developing?
>
> Tom
>
>
>
>

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