bug#25025: python-shell-calculate-command is wrong

[npostavs]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: npostavs@users.sourceforge.net
>> Cc: 25025@debbugs.gnu.org,  clement.pit@gmail.com
>> Date: Sun, 27 Nov 2016 11:06:03 -0500
>> 
>> > Why does it need to be split?  A shell command can (even should) be
>> > handed to the shell as a single string.
>> 
>> Currently it's not a shell command, because a shell isn't being used.
>> My other suggestion was to use a shell:
>> 
>> >> It might be more intuitive to actually use a shell and then the user
>> >> would enter a shell command (though inserting a shell into things
>> >> might bring more complications).
>
> If it doesn't use a shell, then it has no business quoting commands or
> their parts using shell-related APIs.
>
> So yes, I think using a shell would be TRT here.  Can someone please
> work on a patch in that direction?  This problem exists for a long
> time, so I hope we could solve it soon.

Hmm, the difficulty in using a shell is that the current code wants to
parse the command into interpreter and arguments in order to match
against `python-shell-completion-native-disabled-interpreters'.