Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder1.enfer-du-nord.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed6.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 0.022 X-Spam-Evidence: '*H*': 0.96; '*S*': 0.00; 'happily': 0.07; 'python': 0.08; 'scripts': 0.09; 'garbage': 0.09; 'subject:python': 0.10; 'am,': 0.12; 'ast': 0.16; 'nodes': 0.16; 'wrote:': 0.18; 'yet.': 0.18; 'dec': 0.22; 'header:In-Reply-To:1': 0.22; 'tree.': 0.23; 'way?': 0.23; "python's": 0.24; 'suspect': 0.24; 'tree': 0.25; 'code': 0.25; 'module': 0.26; "i'm": 0.26; 'code,': 0.27; 'message-id:@mail.gmail.com': 0.28; 'array': 0.30; 'finite': 0.30; 'hash': 0.30; 'indexed': 0.30; 'received:mail-bw0-f46.google.com': 0.30; 'source': 0.31; 'does': 0.32; 'done,': 0.32; 'list': 0.32; 'received:209.85.214': 0.32; 'sort': 0.33; 'there': 0.33; 'fri,': 0.34; 'to:addr:python-list': 0.34; 'starting': 0.36; 'but': 0.37; 'run': 0.37; 'received:google.com': 0.37; 'enough': 0.38; 'using': 0.38; 'monday,': 0.38; 'replace': 0.38; 'some': 0.38; 'received:209.85': 0.38; 'tasks': 0.39; 'received:209': 0.40; 'to:addr:python.org': 0.40; '2011': 0.61; 'world': 0.62; 'collection': 0.69; 'andrea': 0.84; 'mechanism.': 0.84; 'moment)': 0.84; '\xa0of': 0.84 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type:content-transfer-encoding; bh=hBORBtV8R05RBIJeHJyVU67YuDYDQOhgqRg3UHbFvdw=; b=F0QYe6JZRs2kTrBgsw0mSYHsxkpfGjIVRbodDtdg8+tfQIcTy02pWCZOBcMqHVo2SO Ey82poES1mkAxrTg/kC653diiU16h+uDYgxgBnLCRWElV8AAti7KGy/oj93g98Zu95dG dQxZyPSB+dj3btexHaiHqj2eOuE75WkPNlxlY= MIME-Version: 1.0 In-Reply-To: <6866657.516.1322850490609.JavaMail.geo-discussion-forums@prjr26> References: <6866657.516.1322850490609.JavaMail.geo-discussion-forums@prjr26> From: Ian Kelly Date: Fri, 2 Dec 2011 11:43:56 -0700 Subject: Re: python 2.5 and ast To: python-list@python.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 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: 29 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1322851469 news.xs4all.nl 6872 [2001:888:2000:d::a6]:46672 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:16567 On Fri, Dec 2, 2011 at 11:28 AM, 88888 Dihedral wrote: > On Monday, November 28, 2011 7:45:57 PM UTC+8, Andrea Crotti wrote: >> I'm happily using the ast module to analyze some code, >> but my scripts need also to run unfortunately on python 2.5 >> >> The _ast was there already, but the ast helpers not yet. >> Is it ok if I just copy over the source from the ast helpers in my code = base >> or is there a smarter way? >> (I don't even need all of them, just "parse" and NodeVisitor at the mome= nt) > > Sounds like a hash for nodes and a hash for a tree. > A hash can replace a tree of finite number of nodes. > An array or list is enough to replace a tree of finite number of nodes. > > The heap sort ordering is simple but illustrative . > > After all the tasks =A0of the tree are done, the hash of the tree > will be deleted by Python's garbage collection mechanism. > > A hash can replace an indexed array with (k,v) pairs for k=3D0,1,2,3...n = in > a trivial way. What in the world does any of this have to do with using the ast module in Python 2.5? I am starting to suspect that "88888 Dihedral" may be a bot.