FYI, pure python implementation

[bersace]

Hi @dvarrazzo !

I think I missed to share you our pure python implementation of setproctitle. It's base on py-setproctitle but using ctypes. I didn't extract that module from temBoard source code.

Here is the code : https://github.com/dalibo/temboard/blob/master/ui/temboardui/toolkit/proctitle.py

It works on Python 2 and 3.

What do you think of this ?

Regards,
Étienne

[dvarrazzo]

Does it pass setproctitle test suite?

[bersace]

Do you mean py-setproctitle own test suite ?

We have tests for this : https://github.com/dalibo/temboard/blob/2b31325f77684264b34636ef2784382262e863a9/tests/test_00_setup_ui.py#L13-L28 base on embedded test at https://github.com/dalibo/temboard/blob/2b31325f77684264b34636ef2784382262e863a9/ui/temboardui/toolkit/proctitle.py#L219-L242

[bersace]

Reading py-setproctitle, I'd say that our implementation is a subset of py-setproctitle. It only implements argv overwriting.

[ysc3839]

I wrote a pure Python implementation based on get_argc_argv code: https://gist.github.com/ysc3839/26044b9a168f27d649fa7e491c889496
It's done by using dlsym(RTLD_DEFAULT, "environ") to get environ pointer.

And there's a multiprocessing_name.py in the gist. Using undocumented multiprocessing.util.register_after_fork to set process name in sub process. Note this function is undocumented, it may be removed in the future.