Re: python-shell-send-region uses wrong encoding?

["Andreas Röhler" <andreas.roehler@easy-emacs.de>]

Am 30.10.2013 04:20, schrieb Stefan Monnier:
>> E.g. the patch below (which causes python-shell-send-string to tell
>> Python that the file sent is using utf-8) should fix your problem (tho
>> it's not a proper fix, since we shouldn't hardcode utf-8 here, but copy
>> which ever -*- coding: -*- coding is in the file).
>
> I installed a variant of that patch in Emacs's trunk, which should fix
> the problem.  The relevant part of the patch is quoted below, so you can
> try it out,
>
>
>          Stefan
>
>
> === modified file 'lisp/progmodes/python.el'
> --- lisp/progmodes/python.el	2013-10-07 18:51:26 +0000
> +++ lisp/progmodes/python.el	2013-10-30 01:28:36 +0000
> @@ -2045,7 +2051,9 @@
>                       (concat (file-remote-p default-directory) "/tmp")
>                     temporary-file-directory))
>                  (temp-file-name (make-temp-file "py"))
> +               (coding-system-for-write 'utf-8)
>                  (file-name (or (buffer-file-name) temp-file-name)))
>             (with-temp-file temp-file-name
> +            (insert "# -*- coding: utf-8 -*-\n")
>               (insert string)
>               (delete-trailing-whitespace))
>
>
>

IIUC the second added line "-*- coding: utf-8 -*-\n" should not be needed, as that's the default at the Python side anyway.

Also functions tracing a possibly error might see a different line-offset that way - just an abstract reasoning so far.