GNU bug report logs - #28305
24.3; Autodetection of indentation in Python problem

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Vadim Kulikov <vadim.kulikov <at> iki.fi>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3; Autodetection of indentation in Python problem
Date: Thu, 31 Aug 2017 08:43:26 +0200

[Message part 1 (text/plain, inline)]

This bug report will be sent to the Bug-GNU-Emacs mailing list
and the GNU bug tracker at debbugs.gnu.org.  Please check that
the From: line contains a valid email address.  After a delay of up
to one day, you should receive an acknowledgment at that address.

Please write in English if possible, as the Emacs maintainers
usually do not have translators for other languages.

Please describe exactly what actions triggered the bug, and
the precise symptoms of the bug.  If you can, give a recipe
starting from `emacs -Q':

When I save a python file with an incomplete function definition,
i.e. file containing the following lines:

1 def f():
2
3 def g():
4     return null

and then move my cursos to line 2 and press TAB, I get "Arithmetic
Error" which is fixed by M-x set-variable RET python-indent-offset RET 4
RET. This suggests that the auto-detection of the indentation offset is
not working properly.

Thanks,
Contact me at vadim.kulikov <at> iki.fi, if needed.

If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
For information about debugging Emacs, please read the file
/usr/share/emacs/24.3/etc/DEBUG.


In GNU Emacs 24.3.1 (x86_64-pc-linux-gnu, GTK+ Version 3.10.7)
 of 2014-03-07 on lamiak, modified by Debian
System Description: Ubuntu 14.04.5 LTS

Configured using:
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 '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib'
 '--localstatedir=/var/lib' '--infodir=/usr/share/info'
 '--mandir=/usr/share/man' '--with-pop=yes'
 '--enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.3/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.3/site-lisp:/usr/share/emacs/site-lisp'
 '--with-crt-dir=/usr/lib/x86_64-linux-gnu' '--with-x=yes'
 '--with-x-toolkit=gtk3' '--with-toolkit-scroll-bars'
 'build_alias=x86_64-linux-gnu' 'CFLAGS=-g -O2 -fstack-protector
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 'LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro'
 'CPPFLAGS=-D_FORTIFY_SOURCE=2''

Important settings:
  value of $LC_CTYPE: fi_FI.UTF-8
  value of $LC_MONETARY: de_AT.UTF-8
  value of $LC_NUMERIC: de_AT.UTF-8
  value of $LC_TIME: de_AT.UTF-8
  value of $LANG: en_GB.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Python

Minor modes in effect:
  show-paren-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
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  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
ESC [ > 1 ; 2 8 0 2 ; 0 c ESC O B ESC O B ESC O B ESC
O B ESC O B ESC O B TAB ESC x r e p o TAB r t - e m
TAB RET

Recent messages:
Loading /etc/emacs/site-start.d/50latex-cjk-common.el (source)...done
Loading /etc/emacs/site-start.d/50latex-cjk-thai.el (source)...done
Loading /etc/emacs/site-start.d/50lilypond-data.el (source)...done
Loading /etc/emacs/site-start.d/50python-docutils.el (source)...done
Loading /etc/emacs/site-start.d/90iso-transl.el (source)...
Loading iso-transl...done
Loading /etc/emacs/site-start.d/90iso-transl.el (source)...done
For information about GNU Emacs and the GNU system, type C-h C-a.
python-indent-line: Arithmetic error
Making completion list...

Load-path shadows:
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/usr/share/emacs24/site-lisp/auctex/multi-prompt hides
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Features:
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[Message part 2 (text/html, inline)]

Message #8 received at 28305 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: Vadim Kulikov <vadim.kulikov <at> iki.fi>
Cc: 28305 <at> debbugs.gnu.org
Subject: Re: bug#28305: 24.3; Autodetection of indentation in Python problem
Date: Thu, 31 Aug 2017 11:40:06 -0400

Vadim Kulikov wrote:

> 1 def f():
> 2
> 3 def g():
> 4     return null
>
> and then move my cursos to line 2 and press TAB, I get "Arithmetic
> Error"

By experiment, this was fixed in Emacs 24.4. Latest is 25.2.

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