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bug#43450: 28.0.50; Python shell doesn't echo if shebang
From: |
Lars Ingebrigtsen |
Subject: |
bug#43450: 28.0.50; Python shell doesn't echo if shebang |
Date: |
Fri, 02 Oct 2020 05:40:37 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Lars Ingebrigtsen <larsi@gnus.org> writes:
> I have to admit that I don't understand the reason for the coding cookie
> at all -- we bind coding-system-for-write to utf-8 before writing the
> temp file anyway, and on the Python side, we specify the coding system
> explicitly there, too.
OK, I think this is basically the point of it all:
(defun python-shell--save-temp-file (string)
(let* ((temporary-file-directory
(if (file-remote-p default-directory)
(concat (file-remote-p default-directory) "/tmp")
temporary-file-directory))
(temp-file-name (make-temp-file "py"))
(coding-system-for-write (python-info-encoding)))
(with-temp-file temp-file-name
(insert string)
(delete-trailing-whitespace))
temp-file-name))
If the current buffer has a coding cookie, we use that in the temp files
we load, too. That's logical (er, somewhat, why not just use the
current buffer coding system?), but if there's no coding cookie, we
still add one, which isn't.
Anyway, I think the change I made is unlikely to break anything...
possibly... unless you have a Python file with a coding system cookie,
and you're eval-ing a non-ASCII string, and it's not all utf-8.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no