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From: Ista Zahn <istazahn@gmail.com>
To: John Hendy <jw.hendy@gmail.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: python sessions
Date: Mon, 25 Mar 2013 14:16:07 -0400	[thread overview]
Message-ID: <CA+vqiLENQsr-xXZhWAZvz5OjFfPAfbPDf69hvGWvmd37-vGA8Q@mail.gmail.com> (raw)
In-Reply-To: <CA+M2ft_jc17Lp6HzHiQYJeomPN2JDHsfbMUGdYGF1bqe2paXCQ@mail.gmail.com>

On Mon, Mar 25, 2013 at 1:41 PM, John Hendy <jw.hendy@gmail.com> wrote:
> On Mon, Mar 25, 2013 at 12:27 PM, Andreas Röhler
> <andreas.roehler@easy-emacs.de> wrote:
>> Am 25.03.2013 17:43, schrieb Eric Schulte:
>>
>>> John Hendy <jw.hendy@gmail.com> writes:
>>>
>>>> On Mon, Mar 25, 2013 at 11:01 AM, Ista Zahn <istazahn@gmail.com> wrote:
>>>>>
>>>>> On Mon, Mar 25, 2013 at 11:40 AM, Eric Schulte <schulte.eric@gmail.com>
>>>>> wrote:
>>>>>>
>>>>>> John Hendy <jw.hendy@gmail.com> writes:
>>>>>>
>>>>>>> On Sun, Mar 24, 2013 at 9:38 PM, Nick Dokos <nicholas.dokos@hp.com>
>>>>>>> wrote:
>>>>>>>>
>>>>>>>> Eric Schulte <schulte.eric@gmail.com> wrote:
>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>  From participating in evaluating code throughout the discussion
>>>>>>>>>> and
>>>>>>>>>> catching the comments throughout, I'd say yes, at least in terms of
>>>>>>>>>> how other babel languages function. In other words =#+begin_src R
>>>>>>>>>> :session foo= creates an R session named "foo" whereas doing the
>>>>>>>>>> same
>>>>>>>>>> with =python= instead of =R= does not yield a named session.
>>>>>>>>>>
>>>>>>>>>>  From what others experienced, however, the functionality was
>>>>>>>>>> working
>>>>>>>>>> correctly (results were persistent across blocks and two
>>>>>>>>>> differently
>>>>>>>>>> names blocks created two different sessions), just not named
>>>>>>>>>> correctly.
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> See the cond form starting at line 169 in ob-python.el.  Different
>>>>>>>>> session functionality is used based on the `org-babel-python-mode'
>>>>>>>>> variable, and on the version of Emacs in use (prior to 24.1 or not).
>>>>>>>>>
>>>>>>>>> The branch taken when `org-babel-python-mode' equals 'python is
>>>>>>>>> certainly broken, as it never saves the name of the newly created
>>>>>>>>> buffer, so session re-use and use of multiple named sessions
>>>>>>>>> probably
>>>>>>>>> works only when `org-babel-python-mode' equals 'python-mode.
>>>>>>>>>
>>>>>>>>
>>>>>>>> That's me: org-babel-python-mode's value is python, so it's no wonder
>>>>>>>> it's broken given what Eric says. I'm on emacs 24.3.50 where there is
>>>>>>>> python.el but no python-mode.el. I tried the "cheap" workaround of
>>>>>>>> switching the value to python-mode, but that does a (require
>>>>>>>> 'python-mode) somewhere, so that option is out as well.
>>>>>>>
>>>>>>>
>>>>>>> I'm on Emacs 24.3.1 and have no python-mode.el, either (only
>>>>>>> python.el). My setup is working correctly (again, with the caveat of
>>>>>>> not having named sessions).
>>>>>>>
>>>>>>
>>>>>> It sounds like we have the same setup, and the following un-named
>>>>>> session example does not work for me.  The first code block evaluates
>>>>>> successfully, but it doesn't appear to be having any impact on the
>>>>>> default session (e.g., in the *Python* buffer).
>>>>>>
>>>>>>      Returns the value of x as expected.
>>>>>>
>>>>>>      #+begin_src python :session
>>>>>>        x = 1
>>>>>>        return x
>>>>>>      #+end_src
>>>>>>
>>>>>>      #+RESULTS:
>>>>>>      : 1
>>>>>>
>>>>>>      #+begin_src python :session
>>>>>>        return x
>>>>>>      #+end_src
>>>>>>
>>>>>>      #+RESULTS:
>>>>>>
>>>>>> The second code block /should/ have access to the x variable defined
>>>>>> previous, but instead it throws an error because x is undefined.
>>>>>>
>>>>>> Currently I'd say session support for python is completely broken.
>>>>>
>>>>>
>>>>> As of this morning I've joined the "it does not work" crowd. Python
>>>>> sessions worked for me last week, but are now completely broken for me
>>>>> in the way Eric and others describe.
>>>>
>>>>
>>>> Interesting... checked out back to that commit
>>>> (eff59a15d76647ce8282626b9eb463dc3706d56e) and it still doesn't work.
>>>> On a whim, I checked my pacman log (Arch's install system) and
>>>> coincidentally on Mar 20 /after/ I wrote that post in which things
>>>> work, I ran a system package update.
>>>>
>>>> $ grep -i emacs /var/log/pacman.log
>>>>
>>>> [2013-03-20 12:51] upgraded emacs (24.2-4 -> 24.3-1)
>>>>
>>>> Using the Arch Rollback Machine, I downloaded Emacs 24.2.4 and
>>>> downgraded (also required downgrading imageMagick from 6.8.3.10 ->
>>>> 6.8.2.3). Now it works again (refer to the reproducible example from
>>>> the mailing list post):
>>>> - http://www.mail-archive.com/emacs-orgmode@gnu.org/msg68238.html
>>>>
>>>> Eric, your example fails for me. I get:
>>>>
>>>
>>> Yes, because my example only works in external (non session) execution
>>> with the current buggy code, where as your example works with session
>>> execution in the old working code.
>>>
>>>>
>>>>>>> x = 1
>>>>>>> return x
>>>>
>>>>    File "<stdin>", line 1
>>>> SyntaxError: 'return' outside function
>>>>
>>>> This works, hoever:
>>>>
>>>> #+begin_src python :session
>>>>        x = 1
>>>>        x
>>>> #+end_src
>>>>
>>>> #+RESULTS:
>>>> : 1
>>>>
>>>> #+begin_src python :session
>>>>        x
>>>> #+end_src
>>>>
>>>> #+RESULTS:
>>>> : 1
>>>>
>>>> So, with emacs 24.2.4 and current Org-mode (pulled just now) and clean
>>>> make, *both* named and un-named sessions work for me on Arch Linux.
>>>>
>>>
>>> Aha! Thanks for sleuthing this out.  So the problem lies in changes to
>>> the python.el distributed with Emacs.  I don't suppose we can ask
>>> whoever made these changes to python.el to fix the breakage they've
>>> caused in Org-mode?
>>>
>>> Thanks,
>>>
>>
>> Please give me some time still to investigate. Still doubt it's python.el
>> But if yes, probably will be able to tell more.
>
> Possibly, but know that for me it works with one Emacs version and not
> another, both using the same git version of Org and same minimal
> config/setup/test file. Perhaps those affected here should post their
> Emacs versions?

Worked for me last week with emacs 24.2.1 and org 8.0-pre
(release_8.0-pre-54-gb5a853. Not working now with emacs 24.3.1 and org
8.0-pre (release_8.0-pre-152-g42e1a6

>
>
> John
>
>>
>> Best,
>>
>> Andreas
>>
>

  reply	other threads:[~2013-03-25 18:16 UTC|newest]

Thread overview: 217+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-19 21:40 python sessions Gary Oberbrunner
2013-03-20  0:04 ` John Hendy
2013-03-20  3:07   ` Nick Dokos
2013-03-20  6:44     ` Andreas Röhler
2013-03-20 12:54       ` Ista Zahn
2013-03-20 14:08         ` Nick Dokos
2013-03-20 14:28           ` Gary Oberbrunner
2013-03-20 17:21         ` Andreas Röhler
2013-03-20  7:08   ` Andreas Röhler
2013-03-20 15:38     ` John Hendy
2013-03-20 15:42       ` John Hendy
2013-03-20 16:06       ` Nick Dokos
     [not found]         ` <CAFChFygsUeBejEY6m2bSU0C5cjLYz0nUADH=s+BYxajfZ2sKKQ@mail.gmail.com>
2013-03-20 16:12           ` Fwd: " Gary Oberbrunner
2013-03-20 17:08         ` Andreas Röhler
2013-03-20 17:25           ` Nick Dokos
2013-03-20 17:54             ` John Hendy
2013-03-20 18:15               ` Nick Dokos
2013-03-20 18:32                 ` Ista Zahn
2013-03-20 18:39                   ` Nick Dokos
2013-03-20 18:43                   ` Andreas Röhler
2013-03-20 19:42                     ` Ista Zahn
2013-03-20 19:53                       ` Andreas Röhler
2013-03-20 20:12                         ` Ista Zahn
2013-03-20 20:25                           ` Gary Oberbrunner
2013-03-20 22:06                             ` Ista Zahn
2013-03-20 18:42                 ` Andreas Röhler
2013-03-20 19:01             ` Andreas Röhler
     [not found]       ` <CAFChFygPrhuHHyMo2Vk2_OdksWVB=oACA7jnOXN+itUNqh-nqw@mail.gmail.com>
     [not found]         ` <CA+M2ft9bO7DU61vVeYrhduVvkg1V6PMuiyvsOy5tNWuXcSUEpw@mail.gmail.com>
     [not found]           ` <CAFChFyhbeXE4HNLKA6Ubii+MtQwD7=4khAypa+--coZrQiJekA@mail.gmail.com>
2013-03-21  1:22             ` Gary Oberbrunner
2013-03-21  1:54               ` John Hendy
2013-03-21  1:56                 ` Gary Oberbrunner
2013-03-21  7:42                   ` Andreas Röhler
2013-03-21  7:43                     ` Bastien
2013-03-21  8:13                       ` Andreas Röhler
2013-03-23 22:07                         ` Eric Schulte
2013-03-24  1:29                           ` John Hendy
2013-03-24 22:59                             ` Eric Schulte
2013-03-25  2:38                               ` Nick Dokos
2013-03-25  2:59                                 ` John Hendy
2013-03-25  6:34                                   ` Andreas Röhler
2013-03-25 15:40                                   ` Eric Schulte
2013-03-25 15:55                                     ` John Hendy
2013-03-25 16:07                                       ` Eric Schulte
2013-03-25 16:41                                         ` Nick Dokos
2013-03-25 16:01                                     ` Ista Zahn
2013-03-25 16:23                                       ` John Hendy
2013-03-25 16:43                                         ` Eric Schulte
2013-03-25 17:27                                           ` Andreas Röhler
2013-03-25 17:41                                             ` John Hendy
2013-03-25 18:16                                               ` Ista Zahn [this message]
2013-03-25 19:30                                             ` Ivan Andrus
2013-03-24  7:47                           ` Andreas Röhler
2013-03-24 14:47                             ` John Hendy
2013-03-24 15:30                               ` Andreas Röhler
2013-03-24 16:58                               ` Nick Dokos
2013-03-24 16:59                                 ` John Hendy
2013-03-24 18:41                                   ` Nick Dokos
2013-03-25 20:46                                     ` Andreas Röhler
2013-03-25 21:37                                       ` Eric Schulte
2013-03-26  6:29                                         ` Andreas Röhler
2013-03-26 12:32                                           ` Eric Schulte
2013-03-26 21:41                                             ` Gary Oberbrunner
2013-03-26 21:47                                               ` John Hendy
2013-03-27  6:19                                               ` Andreas Röhler
2013-03-30  7:19                                                 ` Andreas Röhler
  -- strict thread matches above, loose matches on Subject: below --
2012-10-31  6:12 Bug? R: Org babel block execution *drastically* slower than in ESS session directly John Hendy
2012-10-31 16:41 ` cberry
2012-10-31 17:18   ` John Hendy
2012-10-31 20:12     ` cberry
2012-10-31 20:23       ` John Hendy
2012-10-31 20:56         ` Thomas S. Dye
2012-10-31 23:00           ` Nick Dokos
2012-10-31 22:53         ` Nick Dokos
2012-11-01 14:53           ` John Hendy
2012-11-01 15:38             ` Nick Dokos
2012-11-01 18:17               ` John Hendy
2012-11-01 18:18               ` John Hendy
2012-11-01 18:48                 ` Nick Dokos
2012-11-14  3:27                   ` Aaron Ecay
2012-11-14  4:52                     ` John Hendy
2012-11-14  6:32                       ` Aaron Ecay
2012-11-14  8:28                         ` Thomas S. Dye
2012-11-14  8:35                           ` Andreas Leha
2012-11-16 15:45                             ` Eric Schulte
2012-11-16 17:47                               ` Andreas Leha
2012-11-16 19:00                                 ` John Hendy
2012-11-16 20:25                                 ` Achim Gratz
2012-11-17 17:12                                   ` Eric Schulte
2012-11-18  0:41                               ` Aaron Ecay
2012-11-18  0:57                                 ` Eric Schulte
2012-11-18  1:41                                   ` Aaron Ecay
2012-11-19  1:18                                     ` Eric Schulte
2012-11-19  5:11                                       ` Eric Schulte
2012-08-26 20:11 Alternate format for datetree c b
2012-08-27  1:16 ` John Hendy
2012-08-27  4:04   ` Nick Dokos
2012-08-27  6:08     ` John Hendy
2012-08-28  8:49       ` Ian Barton
2012-08-28 12:49         ` Nick Dokos
2012-08-28 12:50         ` Nick Dokos
2012-08-29  7:49           ` Ian Barton
     [not found]             ` <lists@manor-farm.org>
2012-08-29 14:17               ` Nick Dokos
2012-08-29 14:25             ` John Hendy
2012-08-29 20:01               ` Ian Barton
2012-09-06  7:46                 ` Ian Barton
2012-09-06  5:42       ` c b
2012-09-06  6:26         ` Nick Dokos
2012-09-06  7:00         ` Jambunathan K
2012-09-06 15:33         ` John Hendy
2012-09-06 16:08           ` Jonathan Leech-Pepin
2011-11-02  2:22 Pass LaTeX exporter option prior to \documentclass John Hendy
2011-11-02  2:43 ` suvayu ali
2011-11-02 10:30   ` suvayu ali
2011-11-03 17:48     ` John Hendy
2011-11-03 17:55       ` suvayu ali
2011-11-03 18:07         ` John Hendy
2011-11-04 17:29           ` Nick Dokos
2011-11-04 19:29             ` suvayu ali
2011-10-19 14:54 Prompt for time when clocking in? Nathan Neff
2011-10-19 15:12 ` John Hendy
2011-10-19 15:35   ` Nick Dokos
2011-10-20 16:15     ` Nathan Neff
2011-10-20 17:09       ` Nick Dokos
2011-10-20 17:44         ` Nathan Neff
2011-10-19 16:37 ` Bernt Hansen
2011-08-05 22:15 Handling errors in command line exporting of agenda? John Hendy
2011-08-05 23:34 ` suvayu ali
2011-08-05 23:35   ` suvayu ali
2011-08-08 18:12   ` John Hendy
2011-08-08 18:28     ` suvayu ali
2011-08-08 18:53       ` John Hendy
2011-08-08 18:59         ` suvayu ali
2011-08-08 19:48           ` John Hendy
2011-08-08 20:22             ` suvayu ali
2011-08-08 20:31               ` John Hendy
2011-08-08 20:33               ` Nick Dokos
2011-08-08 20:37             ` Nick Dokos
2011-08-08 20:54               ` John Hendy
2011-08-08 21:09                 ` Nick Dokos
2011-08-08 21:27                   ` John Hendy
2011-08-08 21:30               ` suvayu ali
2011-08-08 22:17                 ` Nick Dokos
2011-08-08 21:46             ` suvayu ali
2011-06-15 10:29 BUG: Newest org-mode interferes with desktop save Rainer M Krug
2011-06-15 16:49 ` Eric Schulte
2011-06-15 17:35   ` Nick Dokos
2011-06-15 18:23     ` Rainer M Krug
2011-06-15 18:21   ` Rainer M Krug
2011-06-15 18:31     ` Eric Schulte
2011-06-15 18:59       ` Rainer M Krug
2011-06-15 22:40         ` Nick Dokos
2011-06-16  7:15           ` Rainer M Krug
2011-06-16  7:29             ` Jambunathan K
2011-06-16  8:22               ` Rainer M Krug
2011-05-24 15:54 Passing font size to exported LaTeX table John Hendy
2011-05-24 16:44 ` Sebastien Vauban
2011-05-24 18:57   ` John Hendy
2011-05-24 19:25     ` Nick Dokos
2011-05-24 19:31       ` John Hendy
2011-05-24 19:58         ` Thomas S. Dye
2011-05-24 20:42           ` Nick Dokos
2011-05-24 21:12             ` Nick Dokos
2011-05-24 21:19               ` Nick Dokos
2011-05-25  7:22                 ` Thomas S. Dye
2011-05-27  0:58                   ` suvayu ali
2011-05-27  6:46                     ` Thomas S. Dye
2011-05-27  7:07                       ` suvayu ali
2011-05-27 16:17                         ` Thomas S. Dye
2011-05-27 16:50                           ` Suvayu Ali
2011-05-27 17:37                             ` Thomas S. Dye
2011-05-27 18:30                               ` Suvayu Ali
2011-05-27 21:25                                 ` Thomas S. Dye
2011-05-28  7:17                                   ` Sebastien Vauban
2011-05-28 10:14                                     ` Suvayu Ali
2011-05-28 15:21                                       ` Nick Dokos
2011-05-28 18:10                                         ` Suvayu Ali
2011-06-01 18:50                                   ` Nick Dokos
2011-06-01 19:08                                     ` Suvayu Ali
2011-06-10 22:31                                       ` Suvayu Ali
2011-06-13  1:38                                         ` suvayu ali
2011-06-13  1:52                                         ` Nick Dokos
2011-06-13  2:40                                           ` Suvayu Ali
2011-06-13  3:29                                             ` Nick Dokos
2011-06-13  3:45                                           ` Thomas S. Dye
2011-06-13  4:27                                             ` Nick Dokos
2011-06-13  4:56                                               ` Suvayu Ali
2011-06-13  5:29                                                 ` Nick Dokos
2011-06-13  6:42                                                   ` Suvayu Ali
2011-05-24 20:06         ` Nick Dokos
2011-05-24 19:42       ` Sebastien Vauban
2010-08-21 19:30 Gnuplot unevenly spaced non-numeric data plot? John Hendy
2010-08-21 20:35 ` Eric S Fraga
2010-08-21 20:41 ` Nick Dokos
2010-08-21 21:11   ` John Hendy
2010-08-21 22:41     ` John Hendy
2010-08-21 23:17       ` Nick Dokos
2010-08-23 14:22         ` John Hendy
2010-08-23 15:16           ` Nick Dokos
     [not found]             ` <AANLkTi=WTLBL1Giq0GTrjCo-A1s=iP4u1Qxn57cH-xnB@mail.gmail.com>
     [not found]               ` <AANLkTimSVm=-2o39CQ9wSMT276Dee4Tuj9jLKJH-c+cd@mail.gmail.com>
2010-08-24  2:44                 ` [For Worg?] " John Hendy
2010-08-24  5:25                   ` suvayu ali
2010-08-24  5:56               ` Nick Dokos
2010-08-25  0:32                 ` Eric Schulte
2010-08-25  1:06                   ` John Hendy
2010-08-25  1:35                     ` Eric Schulte
2010-08-25 18:38                       ` John Hendy
2010-08-25 18:52                         ` Eric Schulte
     [not found]         ` <jw.hendy@gmail.com>
2012-03-12 21:13           ` Beamer specific setupfile? John Hendy
2012-03-12 21:48             ` Nick Dokos
2012-03-12 22:09               ` John Hendy
2012-03-12 22:30                 ` Nick Dokos
2012-03-12 22:44                   ` Nick Dokos
2012-03-13  5:02                     ` John Hendy
2012-03-13  5:46                       ` Nick Dokos
2012-04-25  8:16                         ` Eric Fraga
2012-04-25  8:59                           ` Eric Fraga
2012-03-12 23:01                 ` Nick Dokos
2012-03-12 21:51             ` Nick Dokos
2012-03-12 22:05             ` Nick Dokos

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