From debbugs-submit-bounces@debbugs.gnu.org Thu Aug 01 17:35:27 2013 Received: (at submit) by debbugs.gnu.org; 1 Aug 2013 21:35:27 +0000 Received: from localhost ([127.0.0.1]:35165 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V50Ws-0005zh-Ep for submit@debbugs.gnu.org; Thu, 01 Aug 2013 17:35:26 -0400 Received: from eggs.gnu.org ([208.118.235.92]:37163) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V50TX-0005sT-Nk for submit@debbugs.gnu.org; Thu, 01 Aug 2013 17:32:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V50TL-00076T-5o for submit@debbugs.gnu.org; Thu, 01 Aug 2013 17:31:54 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,FREEMAIL_FROM, HTML_MESSAGE,T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:34203) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V50TL-00076J-1f for submit@debbugs.gnu.org; Thu, 01 Aug 2013 17:31:47 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38798) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V50TE-0002ZE-TU for bug-gnu-emacs@gnu.org; Thu, 01 Aug 2013 17:31:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V50BO-0000KL-QD for bug-gnu-emacs@gnu.org; Thu, 01 Aug 2013 17:13:24 -0400 Received: from omr-m06.mx.aol.com ([64.12.143.80]:39599) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V50BO-0000Is-Ak for bug-gnu-emacs@gnu.org; Thu, 01 Aug 2013 17:13:14 -0400 Received: from mtaomg-da03.r1000.mx.aol.com (mtaomg-da03.r1000.mx.aol.com [172.29.51.139]) by omr-m06.mx.aol.com (Outbound Mail Relay) with ESMTP id 542D2700308EB for ; Thu, 1 Aug 2013 17:13:12 -0400 (EDT) Received: from core-mlc002a.r1000.mail.aol.com (core-mlc002.r1000.mail.aol.com [172.29.188.208]) by mtaomg-da03.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 7BA7BE000089 for ; Thu, 1 Aug 2013 17:13:11 -0400 (EDT) To: bug-gnu-emacs@gnu.org Subject: 24.3; Function run-python fails on MS-Windows 7 X-MB-Message-Source: WebUI X-MB-Message-Type: User MIME-Version: 1.0 From: lewcreary@cs.com Content-Type: multipart/mixed; boundary="--------MB_8D05D130FFED31D_8E4_56836_webmailstg-d03.sysops.aol.com" X-Mailer: Compuserve WebMail 37938-BASIC Received: from 172.190.44.220 by webmailstg-d03.sysops.aol.com (205.188.103.153) with HTTP (WebMailUI); Thu, 01 Aug 2013 17:13:11 -0400 Message-Id: <8D05D130FFED31D-8E4-178DB@webmailstg-d03.sysops.aol.com> X-Originating-IP: [172.190.44.220] Date: Thu, 1 Aug 2013 17:13:11 -0400 (EDT) x-aol-global-disposition: G X-AOL-VSS-INFO: 5400.1158/92609 X-AOL-VSS-CODE: clean DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1375391591; bh=k/8v/xLuOesfSzkj4wirro5oM1HYRQ7FTHA3Nc2p8Qw=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=FH5zb8yMrYi1nSZ/cIO/kP2pcLofZhtJU8LxZy6Aeckk0IIqlzmChn6dJHlKADJax DpvZGNwRuolD9asOK/NfXyVvtxNndzjITnRRNdYCZ2uLzPRJF9JjEVlcYHDd2Q/pSj mGfTqRZVcDYv/qg+XU3AzJ7xIZ5HZ1P5zU6Z7AJQ= x-aol-sid: 3039ac1d338b51facf676b89 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -3.3 (---) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Thu, 01 Aug 2013 17:35:23 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) This is a multi-part message in MIME format. ----------MB_8D05D130FFED31D_8E4_56836_webmailstg-d03.sysops.aol.com Content-Type: multipart/alternative; boundary="--------MB_8D05D130FFED31D_8E4_56837_webmailstg-d03.sysops.aol.com" ----------MB_8D05D130FFED31D_8E4_56837_webmailstg-d03.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii" This bug report will be sent to the Bug-GNU-Emacs mailing list and the GNU= bug tracker at debbugs.gnu.org. ?Please check that the From: line contains= a valid email address. ?After a delay of up to one day, you should receive= an acknowledgment at that address. Please describe exactly what actions triggered the bug, and the precise sym= ptoms of the bug. ---------------------------------- Emacs-version: "GNU Emacs 24.3.1 (i386-mingw-nt6.1.7601) ?of 2013-03-17 on MARVIN" ?(a pre-compiled version for MS-Windows) Operating System: Microsoft Windows 7 Professional (Copyright 2009) Function-definition (from python.el): ?(defun run-python (cmd &optional dedicated show) ?... ...) Typical invocation with Emacs running under MS-Windows 7: ?(run-python "c:/Program Files (x86)/Python/Python31/python.exe -i" nil t) [Note- I have successfully debugged and patched the bug to be described her= e; the facts reported below were ascertained during the debugging process.] This bug occurs whenever the function run-python is invoked, whether by a M= -x run-python command, or by C-c C-p or <menu-bar> <Python> <= ;Start interpreter> while editing a file in python-mode, provided that t= he first argument given to run-python has a pathname containing at least on= e space (see example invocation shown above -- this is typical when running= under MS-Windows 7). When run-python is invoked under these circumstances,= it fails with the error message "Spawning child process: invalid argument"= . The root cause of this failure is that the space-containing command pathnam= e in the first argument to function run-python is mangled during processing= in the function python-shell-make-comint, which is called by run-python. ?= This mangling occurs while processing the following line of code in python-= shell-make-comint: ? ? ? ? (let* ((cmdlist (split-string-and-unquote cmd)) Since the mangling is actually done in the function split-string-and-unquot= e, the solution is to avoid applying split-string-and-unquote to the (possi= bly) space-containing command pathname. ?The successful patch I have constr= ucted does this conservatively by changing the single line of code just dis= played to be ? ? ? ? (let* ((cmdlist (list-cmd-components cmd)) where list-cmd-components is a newly written function that first extracts t= he (possibly) space-containing command path from the command-string while p= reserving it unchanged, and then calls function split-string-and-unquote on= the remainder of the command-string (if any) to separate the command argum= ents (if any). I've attached to this e-mail a patch file, Emacs-Bugfix.el, containing the = revised definition of function python-shell-make-comint and the new definit= ion of function list-cmd-components. ?When loaded after python.el, this pat= ch file fixes the bug. ? -- ?Lew Creary ----------MB_8D05D130FFED31D_8E4_56837_webmailstg-d03.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="us-ascii"
=20
This bug report will be sent to the Bug-GNU-Emacs mailing list and the= GNU bug tracker at debbugs.gnu.org.  Please check that the From: line= contains a valid email address.  After a delay of up to one day, you = should receive an acknowledgment at that address.

Please describe exactly what actions triggered the bug, and the precis= e symptoms of the bug.
----------------------------------

Emacs-version: "GNU Emacs 24.3.1 (i386-mingw-nt6.1.7601)
 of 2013-03-17 on MARVIN"  (a pre-compiled version for MS-Wi= ndows)

Operating System: Microsoft Windows 7 Professional (Copyright 2009)

Function-definition (from python.el):
 (defun run-python (cmd &optional dedicated show)  ... .= ..)

Typical invocation with Emacs running under MS-Windows 7:
 (run-python "c:/Program Files (x86)/Python/Python31/python.exe -= i" nil t)

[Note- I have successfully debugged and patched the bug to be describe= d here; the facts reported below were ascertained during the debugging proc= ess.]

This bug occurs whenever the function run-python is invoked, whether b= y a M-x run-python command, or by C-c C-p or <menu-bar> <Python>= ; <Start interpreter> while editing a file in python-mode, provided t= hat the first argument given to run-python has a pathname containing at lea= st one space (see example invocation shown above -- this is typical when ru= nning under MS-Windows 7). When run-python is invoked under these circumsta= nces, it fails with the error message "Spawning child process: invalid argu= ment".

The root cause of this failure is that the space-containing command pa= thname in the first argument to function run-python is mangled during proce= ssing in the function python-shell-make-comint, which is called by run-pyth= on.  This mangling occurs while processing the following line of code = in python-shell-make-comint:

        (let* ((cmdlist (split-string-and-unquote = cmd))

Since the mangling is actually done in the function split-string-and-u= nquote, the solution is to avoid applying split-string-and-unquote to the (= possibly) space-containing command pathname.  The successful patch I h= ave constructed does this conservatively by changing the single line of cod= e just displayed to be

        (let* ((cmdlist (list-cmd-components cmd))=

where list-cmd-components is a newly written function that first extra= cts the (possibly) space-containing command path from the command-string wh= ile preserving it unchanged, and then calls function split-string-and-unquo= te on the remainder of the command-string (if any) to separate the command = arguments (if any).

I've attached to this e-mail a patch file, Emacs-Bugfix.el, containing= the revised definition of function python-shell-make-comint and the new de= finition of function list-cmd-components.  When loaded after python.el= , this patch file fixes the bug.

  --  Lew Creary

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1VABAr-0003y5-R6 for 15003@debbugs.gnu.org; Thu, 15 Aug 2013 23:58:06 -0400 Received: from mtaomg-mb01.r1000.mx.aol.com (mtaomg-mb01.r1000.mx.aol.com [172.29.41.72]) by omr-d06.mx.aol.com (Outbound Mail Relay) with ESMTP id EBB53700000AE for <15003@debbugs.gnu.org>; Thu, 15 Aug 2013 23:57:59 -0400 (EDT) Received: from core-mlb005c.r1000.mail.aol.com (core-mlb005.r1000.mail.aol.com [172.29.186.147]) by mtaomg-mb01.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 2A00AE00008A for <15003@debbugs.gnu.org>; Thu, 15 Aug 2013 23:57:59 -0400 (EDT) To: 15003@debbugs.gnu.org Content-Transfer-Encoding: quoted-printable Subject: P.S. My bugfix is not platform-general X-MB-Message-Source: WebUI X-MB-Message-Type: User MIME-Version: 1.0 From: lewcreary@cs.com Content-Type: text/plain; charset="us-ascii"; format=flowed X-Mailer: Compuserve WebMail 37966-BASIC Received: from 172.190.24.253 by webmailstg-m03.sysops.aol.com (64.12.225.57) with HTTP (WebMailUI); Thu, 15 Aug 2013 23:57:59 -0400 Message-Id: <8D0684BEE6558C0-103C-2F055@webmailstg-m03.sysops.aol.com> X-Originating-IP: [172.190.24.253] Date: Thu, 15 Aug 2013 23:57:59 -0400 (EDT) x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1376625479; bh=jEad648cwaeaiEOgFlnLA81b/g4kWO5vgAHZmy56CSw=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=IaZjrJY7CGYyrcBSbxqzY++yuUolRgDVVNO8K4vmaeApcvOl3BI/b7G+qYRLJr1VO /11O8n1b0p82Ptm3D5Q+YMs3oGM4X1gqDObUr4ansFG0aYJX8hax0lvAK+iDqCCxmy siJi5qUjla6aucBYYXTusTuM7RL1/ha4IKfHI/4c= x-aol-sid: 3039ac1d2948520da3471e96 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 15003 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: 0.0 (/) I should have mentioned that my bugfix will work only on computing=20 platforms on which the python executable pathname ends in ".exe" (MS=20 Windows, at least). The GNU maintainers will have to generalize it to=20 work on other platforms. -- Lew Creary From debbugs-submit-bounces@debbugs.gnu.org Fri Aug 16 00:12:34 2013 Received: (at 15003) by debbugs.gnu.org; 16 Aug 2013 04:12:34 +0000 Received: from localhost ([127.0.0.1]:33506 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VABOr-0004PJ-Al for submit@debbugs.gnu.org; Fri, 16 Aug 2013 00:12:33 -0400 Received: from ironport2-out.teksavvy.com ([206.248.154.182]:3811) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VABOp-0004P3-JS for 15003@debbugs.gnu.org; Fri, 16 Aug 2013 00:12:31 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av4EABK/CFFLd/Nq/2dsb2JhbABEvw4Xc4IfAQVWIxALNBIUGA0QAYg3wS2NYYMpA6R6gV6DEw X-IPAS-Result: Av4EABK/CFFLd/Nq/2dsb2JhbABEvw4Xc4IfAQVWIxALNBIUGA0QAYg3wS2NYYMpA6R6gV6DEw X-IronPort-AV: E=Sophos;i="4.84,565,1355115600"; d="scan'208";a="22015122" Received: from 75-119-243-106.dsl.teksavvy.com (HELO pastel.home) ([75.119.243.106]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 16 Aug 2013 00:12:18 -0400 Received: by pastel.home (Postfix, from userid 20848) id ECFE463160; Fri, 16 Aug 2013 00:12:23 -0400 (EDT) From: Stefan Monnier To: lewcreary@cs.com Subject: Re: bug#15003: 24.3; Function run-python fails on MS-Windows 7 Message-ID: References: <8D05D130FFED31D-8E4-178DB@webmailstg-d03.sysops.aol.com> Date: Fri, 16 Aug 2013 00:12:23 -0400 In-Reply-To: <8D05D130FFED31D-8E4-178DB@webmailstg-d03.sysops.aol.com> (lewcreary@cs.com's message of "Thu, 1 Aug 2013 17:13:11 -0400 (EDT)") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.3 (/) X-Debbugs-Envelope-To: 15003 Cc: 15003@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: 0.3 (/) > (run-python "c:/Program Files (x86)/Python/Python31/python.exe -i" nil t) This is ambiguous: maybe the program you want to run is in the file "c:/Program". Or is it "c:/Program Files"? Oh wait, maybe you meant the executable "c:/Program Files (x86)/Python/Python31/python.exe -i"? > ? ? ? ? (let* ((cmdlist (split-string-and-unquote cmd)) split-string-and-unquote was specifically used so that the user can resolve those ambiguities by quoting the elements that contain embedded spaces. E.g. try (run-python "\"c:/Program Files (x86)/Python/Python31/python.exe\" -i" nil t) -- Stefan From debbugs-submit-bounces@debbugs.gnu.org Mon Sep 02 10:26:19 2013 Received: (at 15003-done) by debbugs.gnu.org; 2 Sep 2013 14:26:19 +0000 Received: from localhost ([127.0.0.1]:37563 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VGV57-0001LK-S7 for submit@debbugs.gnu.org; Mon, 02 Sep 2013 10:26:18 -0400 Received: from fencepost.gnu.org ([208.118.235.10]:34528 ident=Debian-exim) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VGV54-0001LB-5R for 15003-done@debbugs.gnu.org; Mon, 02 Sep 2013 10:26:14 -0400 Received: from [181.164.60.202] (port=51368 helo=localhost) by fencepost.gnu.org with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1VGV52-0001p5-HN; Mon, 02 Sep 2013 10:26:13 -0400 User-agent: mu4e 0.9.9.5; emacs 24.3.1 From: fgallina@gnu.org To: 15003-done@debbugs.gnu.org Subject: 24.3; Function run-python fails on MS-Windows 7 Date: Mon, 02 Sep 2013 11:26:10 -0300 Message-ID: <87bo4bfgfx.fsf@gnu.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -7.4 (-------) X-Debbugs-Envelope-To: 15003-done X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -7.4 (-------) Closing this one as it is clearly a configuration thing. Regards, Fabián. From unknown Sat Jun 14 19:31:04 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Tue, 01 Oct 2013 11:24:03 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator