GNU bug report logs - #53219
27.2; shell-mode output is stolen by python-eldoc

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From: awrhygty <at> outlook.com
To: 53219 <at> debbugs.gnu.org
Subject: bug#53219: 27.2; shell-mode output is stolen by python-eldoc
Date: Thu, 13 Jan 2022 02:54:59 +0900

Evaluate the form below and type 'C-p' or 'C-n' repeatedly to display
python eldoc messages.
After 20-30 key input, an error occurs.
Then look at the *shell* buffer, some numbers in output lines are
absent.
If setting debug-on-error to 't, *Backtrace* buffer popups,
but the buffer and its window is deleted with any key input
and I cannot copy text in the buffer.
The command in the shell-mode buffer need not be python command.
'ping -n 200 localhost' will be alternative, but its output lines are
perhaps identical and difficult to know about absent lines.

(let ((buf (generate-new-buffer "tmp")))
  (shell)
  (insert "python -c \"import time;[(print('output',i,flush=True),time.sleep(1)) for i in range(200)]\"")
  (comint-send-input)
  (run-python)
  (switch-to-buffer buf)
  (insert "len\nstr")
  (python-mode))

Here is a copied text from *Message* buffer.

error in process filter: replace-regexp-in-string: Wrong type argument: arrayp, nil
error in process filter: Wrong type argument: arrayp, nil
error in process filter: replace-regexp-in-string: Wrong type argument: arrayp, nil
error in process filter: Wrong type argument: arrayp, nil
ElDoc echo-area display muted in this buffer, see ‘python-eldoc-function’
error in process filter: replace-regexp-in-string: Wrong type argument: arrayp, nil
error in process filter: Wrong type argument: arrayp, nil
error in process filter: replace-regexp-in-string: Wrong type argument: arrayp, nil
error in process filter: Wrong type argument: arrayp, nil
ElDoc echo-area display muted in this buffer, see ‘python-eldoc-function’



In GNU Emacs 27.2 (build 1, x86_64-w64-mingw32)
 of 2021-03-26 built on CIRROCUMULUS
Repository revision: deef5efafb70f4b171265b896505b92b6eef24e6
Repository branch: HEAD
Windowing system distributor 'Microsoft Corp.', version 10.0.19043
System Description: Microsoft Windows 10 Pro (v10.0.2009.19043.1415)

Recent messages:

Configured using:
 'configure --without-dbus --host=x86_64-w64-mingw32
 --without-compress-install 'CFLAGS=-O2 -static''

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY W32NOTIFY ACL GNUTLS LIBXML2
HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS MODULES THREADS JSON PDUMPER LCMS2 GMP

Important settings:
  value of $LANG: JPN
  locale-coding-system: cp932

Major mode: Lisp Interaction

Minor modes in effect:
  shell-dirtrack-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
None found.

Features:
(thingatpt compile cl-extra python tramp-sh tramp tramp-loaddefs
trampver tramp-integration files-x tramp-compat parse-time iso8601 shell
pcomplete comint ansi-color ring misearch multi-isearch gnutls
network-stream nsm mailalias smtpmail auth-source cl-seq eieio
eieio-core cl-macs eieio-loaddefs json map tabify help-mode pp shadow
sort mail-extr emacsbug message rmc puny dired dired-loaddefs
format-spec rfc822 mml easymenu mml-sec password-cache epa derived epg
epg-config gnus-util rmail rmail-loaddefs text-property-search time-date
subr-x seq byte-opt gv bytecomp byte-compile cconv mm-decode mm-bodies
mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader cl-loaddefs
cl-lib sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils
term/bobcat japan-util tooltip eldoc electric uniquify ediff-hook
vc-hooks lisp-float-type mwheel dos-w32 ls-lisp disp-table term/w32-win
w32-win w32-vars term/common-win tool-bar dnd fontset image regexp-opt
fringe tabulated-list replace newcomment text-mode elisp-mode lisp-mode
prog-mode register page tab-bar menu-bar rfn-eshadow isearch timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
term/tty-colors frame minibuffer cl-generic cham georgian utf-8-lang
misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms
cp51932 hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese composite charscript charprop case-table epa-hook
jka-cmpr-hook help simple abbrev obarray cl-preloaded nadvice loaddefs
button faces cus-face macroexp files text-properties overlay sha1 md5
base64 format env code-pages mule custom widget hashtable-print-readable
backquote threads w32notify w32 lcms2 multi-tty make-network-process
emacs)

Memory information:
((conses 16 91541 12697)
 (symbols 48 9330 0)
 (strings 32 29585 1136)
 (string-bytes 1 1056848)
 (vectors 16 16818)
 (vector-slots 8 280556 15602)
 (floats 8 50 279)
 (intervals 56 1609 0)
 (buffers 1000 21))

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