bug#74894: 29.4; Emacs not responding when calling python-fix-imports

bug#74894: 29.4; Emacs not responding when calling python-fix-imports

[Keglo Stephane]

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when writting a python code with a missing import, using
`python-fix-imports' make emacs not responding.


In GNU Emacs 29.4 (build 1, x86_64-redhat-linux-gnu, GTK+ Version
 3.24.43, cairo version 1.18.0) of 2024-10-10 built on
 4825182c94fc4195b65c80c30f523a16
System Description: Fedora Linux 41 (Workstation Edition)

Configured using:
 'configure --build=x86_64-redhat-linux-gnu
 --host=x86_64-redhat-linux-gnu --program-prefix=
 --disable-dependency-tracking --prefix=/usr --exec-prefix=/usr
 --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc
 --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64
 --libexecdir=/usr/libexec --localstatedir=/var --runstatedir=/run
 --sharedstatedir=/var/lib --mandir=/usr/share/man
 --infodir=/usr/share/info --with-cairo --with-dbus --with-gif
 --with-gpm=no --with-harfbuzz --with-jpeg --with-json --with-modules
 --with-native-compilation=aot --with-pgtk --with-png --with-rsvg
 --with-sqlite3 --with-tiff --with-tree-sitter --with-webp --with-xpm
 build_alias=x86_64-redhat-linux-gnu host_alias=x86_64-redhat-linux-gnu
 CC=gcc 'CFLAGS=-DMAIL_USE_LOCKF -O2 -flto=auto -ffat-lto-objects
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 PKG_CONFIG_PATH=:/usr/lib64/pkgconfig:/usr/share/pkgconfig CXX=g++
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Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON
LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 MODULES NATIVE_COMP NOTIFY INOTIFY
PDUMPER PGTK PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF
TOOLKIT_SCROLL_BARS TREE_SITTER WEBP XIM GTK3 ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: Python

Minor modes in effect:
  eglot--managed-mode: t
  flymake-mode: t
  global-treesit-auto-mode: t
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  recentf-mode: t
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  global-display-line-numbers-mode: t
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  override-global-mode: t
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  file-name-shadow-mode: t
  global-font-lock-mode: t
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  auto-compression-mode: t
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Load-path shadows:
/home/kstephane/.emacs.d/elpa/jsonrpc-1.0.25/jsonrpc hides 
/usr/share/emacs/29.4/lisp/jsonrpc
/home/kstephane/.emacs.d/elpa/eglot-1.17/eglot hides 
/usr/share/emacs/29.4/lisp/progmodes/eglot
/home/kstephane/.emacs.d/elpa/eldoc-1.15.0/eldoc hides 
/usr/share/emacs/29.4/lisp/emacs-lisp/eldoc

Features:
(shadow sort mail-extr emacsbug jka-compr shortdoc dabbrev cape-keyword
cape pyimport s pyimport-autoloads dash bug-reference dash-autoloads
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mml-sec epa derived epg rfc6068 epg-config gnus-util mailabbrev
gmm-utils mailheader mm-decode mm-bodies mm-encode mail-utils gnutls
network-stream url-cache url-http url-auth mail-parse rfc2231 rfc2047
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radix-tree cl-print pulse eglot external-completion jsonrpc xref
flymake-proc flymake thingatpt diff diff-mode ert ewoc debug backtrace
find-func compile imenu pyvenv-auto pyvenv eshell esh-cmd generator
esh-ext esh-opt esh-proc esh-io esh-arg esh-module esh-groups esh-util
files-x python pcase comint ansi-osc ring ansi-color time-date mule-util
project consult bookmark text-property-search pp comp comp-cstr warnings
icons rx treesit-auto treesit corfu-popupinfo corfu edmacro kmacro
orderless marginalia vertico compat compat-30 try dracula-theme
solarized-light-theme solarized-theme solarized solarized-faces color
flatui-theme monokai-theme cl-extra help-mode elec-pair recentf
tree-widget wid-edit autorevert filenotify hl-line saveplace
display-line-numbers savehist use-package use-package-ensure
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easy-mmode use-package-core finder-inf cape-autoloads consult-autoloads
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treesit-auto-autoloads try-autoloads vertico-autoloads info
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inotify dynamic-setting system-font-setting font-render-setting cairo
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Memory information:
((conses 16 683304 127932)
 (symbols 48 26561 1)
 (strings 32 181120 4632)
 (string-bytes 1 5152913)
 (vectors 16 50296)
 (vector-slots 8 913218 108362)
 (floats 8 406 386)
 (intervals 56 1752 816)
 (buffers 984 33))




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bug#74894: 29.4; Emacs not responding when calling python-fix-imports

[Eli Zaretskii]

> Date: Sun, 15 Dec 2024 02:52:53 +0000
> From: Keglo Stephane <stephanekeglo@gmail.com>
> 
> when writting a python code with a missing import, using
> `python-fix-imports' make emacs not responding.

Thanks.  Could you please show a simple recipe for reproducing this?

kobarity, any comments or suggestions?

bug#74894: 29.4; Emacs not responding when calling python-fix-imports

[kobarity]

Eli Zaretskii wrote:
> 
> > Date: Sun, 15 Dec 2024 02:52:53 +0000
> > From: Keglo Stephane <stephanekeglo@gmail.com>
> > 
> > when writting a python code with a missing import, using
> > `python-fix-imports' make emacs not responding.
> 
> Thanks.  Could you please show a simple recipe for reproducing this?
> 
> kobarity, any comments or suggestions?

I have not been able to reproduce this so far, but I have found that
if the file is large, say 10000 lines, it takes a few seconds.

The other problem I found is that if I run `python-fix-imports'
without saving the buffer, I get the following error:

python exited with status 1

This occurs because isort cannot read the lock file (symbolic link)
such as ".#foo.py", which is created before the modified buffer is
saved.  Although I don't think this has anything to do with the
non-response issue.