GNU bug report logs - #20708
25.0.50; python.el and IPython

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

From: Rasmus <rasmus <at> gmx.us>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.0.50; python.el and IPython
Date: Mon, 01 Jun 2015 14:04:23 +0200

Hi,

python.el seems not compatible with ipython anymore.  I have IPython 3.1.
I use this setting:

    (setq python-shell-interpreter "ipython3" ; also "ipython2"
          python-shell-interpreter-args "-i")

With ipython3 emacs hangs forever.  With ipython2, I get an error.

When I use ipython2 I get the backtrace:

    Debugger entered--Lisp error: (wrong-type-argument arrayp nil)
      replace-regexp-in-string("[^-0-9a-zA-Z_./\n]" "\\\\\\&" nil)
      shell-quote-argument(nil)
      python-shell-calculate-command()
      byte-code("\203\301\302\303 \"\304\305!\306!\307UE\207\303 \310\311E\207" [current-prefix-arg read-shell-command "Run Python: " python-shell-calculate-command y-or-n-p "Make dedicated process? " prefix-numeric-value 4 nil t] 4)
      call-interactively(run-python record nil)
      command-execute(run-python record)
      execute-extended-command(nil "run-python" "run-py")
      funcall-interactively(execute-extended-command nil "run-python" "run-py")
      call-interactively(execute-extended-command nil nil)
      command-execute(execute-extended-command)

When I use ipython3 it hangs forever.  This is the backtrace on quit:

     Debugger entered--Lisp error: (quit)
       accept-process-output(#<process Python> 0.01)
       python-shell-completion-native-get-completions(#<process Python> nil "int")
       python-shell-completion-native-try()
       python-shell-completion-native-setup()
       python-shell-completion-native-turn-on-maybe(t)
       python-shell-completion-native-turn-on-maybe-with-msg()
       run-hooks(change-major-mode-after-body-hook comint-mode-hook inferior-python-mode-hook)
       apply(run-hooks (change-major-mode-after-body-hook comint-mode-hook inferior-python-mode-hook))
       run-mode-hooks(inferior-python-mode-hook)
       inferior-python-mode()
       python-shell-make-comint("/usr/bin/ipython3 -i" "Python" t)
       run-python("/usr/bin/ipython3 -i" nil t)
       funcall-interactively(run-python "/usr/bin/ipython3 -i" nil t)
       call-interactively(run-python record nil)
       command-execute(run-python record)
       execute-extended-command(nil "run-python" "run-py")
       funcall-interactively(execute-extended-command nil "run-python" "run-py")
       call-interactively(execute-extended-command nil nil)
       command-execute(execute-extended-command)

Thanks,
Rasmus

In GNU Emacs 25.0.50.8 (x86_64-unknown-linux-gnu, GTK+ Version 3.16.3)
 of 2015-05-26 on x200s
Windowing system distributor `The X.Org Foundation', version 11.0.11701000
Configured using:
 `configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/lib
 --localstatedir=/var --mandir=/usr/share/man
 --pdfdir=/usr/share/doc/emacs/pdf --with-sound=alsa --with-x-toolkit=gtk3
 --with-xft 'CFLAGS=-march=x86-64 -mtune=generic -O2 -pipe
 -fstack-protector-strong --param=ssp-buffer-size=4'
 CPPFLAGS=-D_FORTIFY_SOURCE=2
 LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro'

Configured features:
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NOTIFY ACL GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB

Important settings:
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  value of $LC_NUMERIC: en_DK.utf8
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 (vectors 16 62346)
 (vector-slots 8 1761728 73637)
 (floats 8 1401 1952)
 (intervals 56 17129 2346)
 (buffers 976 118)
 (heap 1024 83045 5768))

-- 
I almost cut my hair, it happened just the other day

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GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.