From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#33959: 26.1.90; python.el font-lock buffer wreaks havoc when company is enabled Date: Thu, 04 Apr 2019 22:36:20 -0400 Message-ID: <87zhp5ch5n.fsf_-_@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="245435"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.91 (gnu/linux) Cc: 33959@debbugs.gnu.org To: Carlos Pita Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Apr 05 04:37:11 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hCEj8-0011cQ-Sb for geb-bug-gnu-emacs@m.gmane.org; Fri, 05 Apr 2019 04:37:11 +0200 Original-Received: from localhost ([127.0.0.1]:34978 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hCEj7-0004i0-Pc for geb-bug-gnu-emacs@m.gmane.org; Thu, 04 Apr 2019 22:37:09 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:48308) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hCEj2-0004hu-23 for bug-gnu-emacs@gnu.org; Thu, 04 Apr 2019 22:37:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hCEj1-00085l-4t for bug-gnu-emacs@gnu.org; Thu, 04 Apr 2019 22:37:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:59604) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hCEj0-00084k-R6 for bug-gnu-emacs@gnu.org; Thu, 04 Apr 2019 22:37:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hCEj0-0006uJ-Fk for bug-gnu-emacs@gnu.org; Thu, 04 Apr 2019 22:37:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 05 Apr 2019 02:37:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 33959 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 33959-submit@debbugs.gnu.org id=B33959.155443179026505 (code B ref 33959); Fri, 05 Apr 2019 02:37:02 +0000 Original-Received: (at 33959) by debbugs.gnu.org; 5 Apr 2019 02:36:30 +0000 Original-Received: from localhost ([127.0.0.1]:44915 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hCEiU-0006tR-7t for submit@debbugs.gnu.org; Thu, 04 Apr 2019 22:36:30 -0400 Original-Received: from mail-qt1-f179.google.com ([209.85.160.179]:37533) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hCEiS-0006tA-3P for 33959@debbugs.gnu.org; Thu, 04 Apr 2019 22:36:28 -0400 Original-Received: by mail-qt1-f179.google.com with SMTP id z16so5793065qtn.4 for <33959@debbugs.gnu.org>; Thu, 04 Apr 2019 19:36:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=hJs1ZL/4POrccxE1LSfdgMPWSLXXMgexkcrl6gwqEDs=; b=biqKm+EwYRthNH9AZTOqIqXX5d/n3g5kjJlMG126QNw6WJ2RmscEWuWWFYakcscPl7 zLqN7vg49Wofa46b3hjXqHj6t/uRx+slPGvnPJO05VrXbCAHZIOishJuT7sNtkrFhrCC lO10nIymGqssE9KBMjqlnQdWsCdYA/rcH4tYy76ePQk5+F9Hm3OnpcAdDOmCD/rswdJm mxP2efrZzQj81cDiIJJZ+kQSuSs7N3w0Y7keNsTEEBvAELwU2+PMbMdHL26Tzav3BwMU 70f0YdoWy3u0F8Ytvmfb05DCJIClPUe+w4swplRDke/IjoDiuf3NRpdiDvybV3hxZ1i+ yeSA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=hJs1ZL/4POrccxE1LSfdgMPWSLXXMgexkcrl6gwqEDs=; b=hgYKls+53zlvC8yhV1xf+RcWDR7RTEdvUXTVS6v/pp7g5Xi4uM7Y2mENlESioPGJt3 k2EfIdzopQaoaZU6o7O2K+6XIGboQKuw19AR79GQ1515sUt91jeeA6a+ku81a0oDJsIj 7vmOF5zcJPtNwD0cdKnrNZDUj367xpg1lFkUPhzmM0Cx/9tEBOlwhDtDy3gd2NMQvdF3 o9n+Q9XbDfgWbQgNUccxrb9i5xjyF0e/q2HBQJ1RZ2l1rUntAXSEAUO0oSqYRwN0WVP1 qy+MxWAAQ5/VbyBL4V90fz2F+ZUS5p6Fh128guoWonURPijAMD7eJp+dOKpv+UvWFNKI BTCA== X-Gm-Message-State: APjAAAWG8/Kt6TvSLopC2QAHZN9onTMm8BbMXv+Y8k8CUObtpBcOqivw B+VVkDnrSO+5AotdRKje9ewaUkkw X-Google-Smtp-Source: APXvYqy3QXJ0PoUijRO4BPc4OZgTsC08zVu6V8PT9oLeih4sdBRUZSQKLedTWg56MpU29SMzqQL4eA== X-Received: by 2002:ac8:33ad:: with SMTP id c42mr8852720qtb.318.1554431782407; Thu, 04 Apr 2019 19:36:22 -0700 (PDT) Original-Received: from minid (cbl-45-2-119-34.yyz.frontiernetworks.ca. [45.2.119.34]) by smtp.googlemail.com with ESMTPSA id p52sm15419264qta.37.2019.04.04.19.36.21 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 04 Apr 2019 19:36:21 -0700 (PDT) In-Reply-To: (Carlos Pita's message of "Thu, 3 Jan 2019 02:38:52 -0300") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:157198 Archived-At: Carlos Pita writes: > Nevertheless I found the origin of the problem. Somehow when company > is enabled in the shell buffer > python-shell-font-lock-comint-output-filter-function is getting empty > strings as output and then the ";; Otherwise just add a newline." > clause is activated. > 1. The first one (Avoid-spurious...) strictly fixes this issue by > moving the not-empty condition to the top and doing everything else > unless not-empty. Period. That works. Hmm, I'm not sure if it's working here. My *Python* buffer looks like this: Python 3.7.0 (default, Sep 15 2018, 19:13:07) Type 'copyright', 'credits' or 'license' for more information IPython 6.5.0 -- An enhanced Interactive Python. Type '?' for help. In [1]: 1 + len('123') + 99 + len('aa') In [13]: 1 + len('123') + 99 + len('aa') Out[13]: 105 In [14]: 1 + len('123') + 99 + len('aa') In [14]: 1 + len('123') + 99 + len('aa') Out[14]: 105 In [15]: 1 + len('123') + 99 + len('aa') In [21]: 1 + len('123') + 99 + len('aa') Out[21]: 105 In [22]: And my " *Python-font-lock*" looks like this: 1 + len('123') + 99 + len('aa') 1 + len( 1 + len('123' 1 + len('123') + 99 + len('aa') The behaviour seems rather inconsistent. I think to solve this properly we need some deterministic tests which reproduce the problem.