GNU bug report logs - #27712
26.0.50; ffap in python-mode

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

From: kootenpv <at> gmail.com
To: bug-gnu-emacs <at> gnu.org
Subject: 26.0.50; ffap in python-mode
Date: Sat, 15 Jul 2017 19:31:57 +0200

In python-mode, with elpy loaded (seems to have no effect), nothing has
effect. I'm just doing "ido-find-file". The trace shows ffap in there.

This is the debugger info:

Debugger entered--Lisp error: (wrong-type-argument arrayp nil)
  replace-regexp-in-string("\\`\\^" "" nil)
  (concat "\015?\n?" (replace-regexp-in-string "\\`\\^" "" python-shell--prompt-calculated-input-regexp) "\\'")
  (string-match (concat "\015?\n?" (replace-regexp-in-string "\\`\\^" "" python-shell--prompt-calculated-input-regexp) "\\'") output)
  (let ((debug-on-error t)) (string-match (concat "\015?\n?" (replace-regexp-in-string "\\`\\^" "" python-shell--prompt-calculated-input-regexp) "\\'") output))
  python-shell-comint-end-of-output-p("\n")
  python-shell-output-filter("\n")
  comint-output-filter(#<process python> "\n")
  accept-process-output(#<process python>)
  python-shell-send-string-no-output("\ndef __FFAP_get_module_path(objstr):\n    try:\n        import inspect\n        import os.path\n        # NameError exceptions are delayed until this point.\n        obj = eval(objstr)\n        module = inspect.getmodule(obj)\n        filename = module.__file__\n        ext = os.path.splitext(filename)[1]\n        if ext in ('.pyc', '.pyo'):\n            # Point to the source file.\n            filename = filename[:-1]\n        if os.path.exists(filename):\n            return filename\n        return ''\n    except:\n        return ''\nprint (__FFAP_get_module_path('''import'''))" #<process python>)
  python-ffap-module-path("import")
  ffap-file-at-point()
  ffap-guesser()
  ido-file-internal(raise-frame)
  ido-find-file()
  funcall-interactively(ido-find-file)
  call-interactively(ido-find-file nil nil)
  command-execute(ido-find-file)



In GNU Emacs 26.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.16)
 of 2017-07-01 built on archbook
Repository revision: 7618d29db36396fbd736672cadaca641186c1dc5
Windowing system distributor 'The X.Org Foundation', version 11.0.11903000
Recent messages:
Mark saved where search started
Navi mode enabled
You should have a section marked ";;; Commentary:"

The first line should be of the form: ";;; package --- Summary"
Search failed. This means there is unmatched expression somewhere or we are at the beginning/end of file. [2 times]
Mark saved where search started [2 times]
Quit
Killed inactive buffer: *Help*.
Unable to load color "selectedKnobColor"

Configured using:
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 CPPFLAGS=-D_FORTIFY_SOURCE=2
 LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro'

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  value of $LC_TIME: en_US.UTF-8
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Debugger

Minor modes in effect:
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Load-path shadows:
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/home/pascal/egoroot/emp/.emacs.d/packages/python-mode-20170626.1017/python-mode-pkg hides /home/pascal/egoroot/emp/.emacs.d//python-mode-20170507.953/python-mode-pkg
/home/pascal/egoroot/emp/.emacs.d/packages/python-mode-20170626.1017/python-mode hides /home/pascal/egoroot/emp/.emacs.d//python-mode-20170507.953/python-mode
/home/pascal/egoroot/emp/.emacs.d/packages/python-mode-20170626.1017/python-mode-autoloads hides /home/pascal/egoroot/emp/.emacs.d//python-mode-20170507.953/python-mode-autoloads
/home/pascal/egoroot/emp/.emacs.d/packages/elpy-20170701.1412/elpy hides /home/pascal/egoroot/emp/.emacs.d//elpy-20170430.255/elpy
/home/pascal/egoroot/emp/.emacs.d/packages/elpy-20170701.1412/elpy-autoloads hides /home/pascal/egoroot/emp/.emacs.d//elpy-20170430.255/elpy-autoloads
/home/pascal/egoroot/emp/.emacs.d/packages/elpy-20170701.1412/elpy-refactor hides /home/pascal/egoroot/emp/.emacs.d//elpy-20170430.255/elpy-refactor
/home/pascal/egoroot/emp/.emacs.d/packages/elpy-20170701.1412/elpy-profile hides /home/pascal/egoroot/emp/.emacs.d//elpy-20170430.255/elpy-profile
/home/pascal/egoroot/emp/.emacs.d/packages/elpy-20170701.1412/elpy-django hides /home/pascal/egoroot/emp/.emacs.d//elpy-20170430.255/elpy-django
/home/pascal/egoroot/emp/.emacs.d/packages/elpy-20170701.1412/elpy-pkg hides /home/pascal/egoroot/emp/.emacs.d//elpy-20170430.255/elpy-pkg
/home/pascal/egoroot/emp/.emacs.d/packages/howdoi-20150203.1643/howdoi hides /home/pascal/egoroot/emp/.emacs.d/howdoi
/home/pascal/egoroot/emp/.emacs.d/uniquify hides /usr/share/emacs/26.0.50/lisp/uniquify

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Message #8 received at 27712 <at> debbugs.gnu.org (full text, mbox):

From: npostavs <at> users.sourceforge.net
To: kootenpv <at> gmail.com
Cc: 27712 <at> debbugs.gnu.org
Subject: Re: bug#27712: 26.0.50; ffap in python-mode
Date: Sat, 15 Jul 2017 18:19:31 -0400

tags 27712 + moreinfo
quit

kootenpv <at> gmail.com writes:

> In python-mode, with elpy loaded (seems to have no effect), nothing has
> effect.

Does "have no effect" mean you can reproduce this without loading elpy?
Or is the only effect that you get this error?  Can you show how to get
the error starting from 'emacs -Q'?  Does doing 'M-:
(python-shell-prompt-set-calculated-regexps) RET' help?

> I'm just doing "ido-find-file".

From what buffer?

> The trace shows ffap in there.
>
> This is the debugger info:
>
> Debugger entered--Lisp error: (wrong-type-argument arrayp nil)
>   replace-regexp-in-string("\\`\\^" "" nil)
>   (concat "\015?\n?" (replace-regexp-in-string "\\`\\^" "" python-shell--prompt-calculated-input-regexp) "\\'")

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