bug#10167: 23.3; python.el code execution does not add the buffers directory to the pythonpath.

bug#10167: 23.3; python.el code execution does not add the buffers directory to the pythonpath.

[Arne Babenhauserheide]

When calling python-send-buffer, the behaviour of the code differs
from actual code execution, because the parent directory of the file is
not in the PYTHONPATH. 

To change this, the sending of a buffer can be adapted to the following: 


;; pymacs with in-folder module loading for buffers which have assossiated files.
(defun python-send-buffer ()
  "Send the current buffer to the inferior Python process."
  (interactive)
  (python-send-string (concat "__file__ = '" (buffer-file-name) "'
import sys
import os.path
sys.path.append(os.path.dirname(__file__))
"))
  (python-send-region (point-min) (point-max)))


Better would be to check first if there is an assossiated filename and
only send the path-adaption in that case.

Best wishes, 
Arne


In GNU Emacs 23.3.3 (x86_64-pc-linux-gnu, GTK+ Version 2.24.4)
 of 2011-09-30 on imknbabb
Windowing system distributor `The X.Org Foundation', version 11.0.11004000
configured using `configure  '--prefix=/usr' '--build=x86_64-pc-linux-gnu' '--host=x86_64-pc-linux-gnu' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--datadir=/usr/share' '--sysconfdir=/etc' '--localstatedir=/var/lib' '--libdir=/usr/lib64' '--program-suffix=-emacs-23' '--infodir=/usr/share/info/emacs-23' '--with-crt-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.5/../../../../lib64' '--with-gameuser=games' '--without-hesiod' '--with-kerberos' '--with-kerberos5' '--with-gpm' '--with-dbus' '--with-sound' '--with-x' '--without-ns' '--without-gconf' '--with-toolkit-scroll-bars' '--with-gif' '--with-jpeg' '--with-png' '--with-rsvg' '--with-tiff' '--with-xpm' '--with-xft' '--with-libotf' '--with-m17n-flt' '--with-x-toolkit=gtk' 'build_alias=x86_64-pc-linux-gnu' 'host_alias=x86_64-pc-linux-gn
 u' 'CFLAGS=-march=native -O2 -pipe -fno-strict-aliasing' 'LDFLAGS=-Wl,-O1 -Wl,--as-needed' 'CPPFLAGS=''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: C
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: de_DE.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8
  default enable-multibyte-characters: t

Major mode: Tm5rc

Minor modes in effect:
  shell-dirtrack-mode: t
  display-time-mode: t
  kde-default-keys-minor-mode: t
  global-ethan-wspace-mode: t
  real-global-auto-complete-mode: t
  global-auto-complete-mode: t
  auto-complete-mode: t
  nyan-mode: t
  global-rudel-minor-mode: t
  savehist-mode: t
  tooltip-mode: t
  mouse-wheel-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-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  global-visual-line-mode: t
  visual-line-mode: t
  transient-mark-mode: t

Recent input:
<next> <next> <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <up> <up> <right> <right> <return> C-x C-s C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-x 
C-s <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <down> C-x C-s C-s s e a r C-g b f C-g 
C-g b f m e t <return> C-s e <backspace> s e a r C-s 
C-s C-s C-g C-g b f c o l <return> C-s s e a r <down> 
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <end> <prior> <down> <down> <up> <up> 
<C-right> <C-right> <C-right> <right> <right> <right> 
<right> <right> <right> <right> $ { m e . m e t e o 
. d i r } SPC C-x C-s <up> <up> <up> <up> <up> <up> 
<right> <up> <up> <up> <up> <end> <left> <left> <left> 
C-SPC <M-left> <M-left> <M-right> <M-right> <M-left> 
M-w b f <return> <next> <prior> <prior> <prior> C-r 
c o a r i C-g C-g c <backspace> z s b f <right> <right> 
<return> <up> <up> <up> <up> <home> <help-echo> C-s 
m e . m e t C-s C-s C-s C-g C-g x 1 b f <right> <return> 
C-s <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <left> <backspace> y s z a <backspace> 
z s <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <end> C-SPC <home> C-w 
<backspace> C-x C-s <down-mouse-1> <mouse-1> M-x r 
e p o <tab> r <tab> <return>

Recent messages:
Saving file /scpc:babenhau@hc3.scc.kit.edu:/home/ws/babenhau/TM5_cycle3/proj/remotec/rc/include/common_folders.rc...
Tramp: Encoding region using function `base64-encode-region'...done
Tramp: Decoding region into remote file /scpc:babenhau@hc3.scc.kit.edu:/home/ws/babenhau/TM5_cycle3/proj/remotec/rc/include/common_folders.rc...done
Wrote /scpc:babenhau@hc3.scc.kit.edu:/home/ws/babenhau/TM5_cycle3/proj/remotec/rc/include/common_folders.rc
Mark set
Saving file /scpc:babenhau@hc3.scc.kit.edu:/home/ws/babenhau/TM5_cycle3/proj/remotec/rc/include/common_folders.rc...
Tramp: Encoding region using function `base64-encode-region'...done
Tramp: Decoding region into remote file /scpc:babenhau@hc3.scc.kit.edu:/home/ws/babenhau/TM5_cycle3/proj/remotec/rc/include/common_folders.rc...done
Wrote /scpc:babenhau@hc3.scc.kit.edu:/home/ws/babenhau/TM5_cycle3/proj/remotec/rc/include/common_folders.rc
Making completion list...

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Features:
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hex-util hashcash mail-utils emacsbug grep thingatpt semantic-find
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url-expand url-methods url-history url-cookie mailcap longlines
parse-time xml epa-file epa epg epg-config activate-german-spelling
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bug#10167: 23.3; python.el code execution does not add the buffers directory to the pythonpath.

[Glenn Morris]

Arne Babenhauserheide wrote:

> When calling python-send-buffer, the behaviour of the code differs
> from actual code execution, because the parent directory of the file is
> not in the PYTHONPATH. 

I think this might be intentional?

http://lists.gnu.org/archive/html/emacs-devel/2008-09/msg00215.html

bug#10167: 23.3; python.el code execution does not add the buffers directory to the pythonpath.

[Arne Babenhauserheide]

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Am Freitag, 9. Dezember 2011, 15:24:07 schrieb Glenn Morris:
> Arne Babenhauserheide wrote:
> > When calling python-send-buffer, the behaviour of the code differs
> > from actual code execution, because the parent directory of the file is
> > not in the PYTHONPATH.
> 
> I think this might be intentional?
> 
> http://lists.gnu.org/archive/html/emacs-devel/2008-09/msg00215.html

That’s quite inconvenient… would it not be cleaner to remove "" before 
importing emacs.py and add the buffer dir afterwards? 

For anything which is not emacs.py it is clear that it will be run. 
Alternatively add a new command which adds the buffer-dir - as I did for 
python-send-buffer.

(my changes would be cleaner by the way if I removed the path after the code 
again)

Best wishes, 
Arne
--
singing a part of the history of free software: 

- http://infinite-hands.draketo.de


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bug#10167: 23.3; python.el code execution does not add the buffers directory to the pythonpath.

[Chong Yidong]

Arne Babenhauserheide <arne_bab@web.de> writes:

> That’s quite inconvenient… would it not be cleaner to remove "" before 
> importing emacs.py and add the buffer dir afterwards? 
>
> For anything which is not emacs.py it is clear that it will be run. 
> Alternatively add a new command which adds the buffer-dir - as I did for 
> python-send-buffer.

If you are not about having cwd in the python path, set
python-remove-cwd-from-path to nil.