Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed4a.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.079 X-Spam-Evidence: '*H*': 0.84; '*S*': 0.00; '10:00': 0.16; 'implies': 0.16; 'unreachable': 0.16; 'wrote:': 0.18; 'wed,': 0.18; 'header :In-Reply-To:1': 0.27; 'message-id:@mail.gmail.com': 0.30; 'sep': 0.31; 'url:python': 0.33; 'objects': 0.35; 'received:google.com': 0.35; 'url:org': 0.36; 'url:library': 0.38; 'to:addr:python-list': 0.38; 'pm,': 0.38; 'rather': 0.38; 'to:addr:python.org': 0.39; 'url:3': 0.61 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; bh=X3n3PHsY9rMytKWeEQfbFrNarnbcHulpvxs7hHivGh4=; b=smQcAbLt4zk4Lb5DlDnM7KHqJZrZPzAC1hZ+NxOfwueGuyGWHCtLY0Wn130cviQ/IS 3jJPSo/5dp68CKo9PJ/XEt3jvNhipfGDHyg2nSubAA7/3WCozLiOp1Qnohilz1pvR2lh N80Y/fyVKSWo2gvlE5fZbhSuRtRLg06rzwXarF+RYDF0G6KuFMBqsdhGaeyEhBevS12u e777xTzRnw7hG//GlE4WzWjHA8llVblPzqjAYwhm2TNndzl37tii1ySMYOLGpJhyLonv zro2pD9fC8n481wYRUM0/ZfVr5HQxh7SQ3Ytm93Xsf7d5gVfNWydRRDqpf7Eb6JjJjlg dlPw== X-Received: by 10.68.195.131 with SMTP id ie3mr10014605pbc.145.1410417509735; Wed, 10 Sep 2014 23:38:29 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: From: Ian Kelly Date: Thu, 11 Sep 2014 00:37:49 -0600 Subject: Re: recursive closure To: Python Content-Type: text/plain; charset=UTF-8 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 10 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1410417518 news.xs4all.nl 2939 [2001:888:2000:d::a6]:36104 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:77769 On Wed, Sep 10, 2014 at 10:00 PM, Li Tianqing wrote: > gc.set_debug(gc.DEBUG_LEAK) The DEBUG_LEAK flag implies the DEBUG_SAVEALL flag, which causes all unreachable objects to be appended to gc.garbage rather than freed. https://docs.python.org/3/library/gc.html#gc.DEBUG_SAVEALL Try not setting the flag, and I think you will find that gc.garbage no longer accumulates.