Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.datemas.de!rt.uk.eu.org!newsfeed.xs4all.nl!newsfeed1a.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!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 0.005 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'importing': 0.05; 'subject:Getting': 0.07; 'filename': 0.09; 'imported': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'subject:modules': 0.09; 'url:github': 0.09; 'python': 0.11; '.py': 0.16; 'imported.': 0.16; 'kern': 0.16; 'modules.': 0.16; 'programmatic': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'tab': 0.16; 'underlying': 0.16; 'url:py': 0.16; ':-)': 0.16; 'wrote:': 0.18; 'wed,': 0.18; 'module': 0.19; 'packages.': 0.19; 'typing': 0.19; '>>>': 0.22; 'import': 0.22; 'header:User-Agent:1': 0.23; 'interpret': 0.24; 'math': 0.24; 'this:': 0.26; 'header:X-Complaints-To:1': 0.27; 'header:In-Reply-To:1': 0.27; 'url:code': 0.29; 'robert': 0.30; 'subject:list': 0.30; "i'm": 0.30; 'code': 0.31; 'another.': 0.31; "d'aprano": 0.31; 'names.': 0.31; 'steven': 0.31; 'anyone': 0.31; 'subject:all': 0.32; 'implemented': 0.33; 'url:source': 0.33; 'could': 0.34; 'but': 0.35; 'next': 0.36; "i'll": 0.36; 'list': 0.37; 'to:addr:python-list': 0.38; 'files': 0.38; 'pm,': 0.38; 'expect': 0.39; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'how': 0.40; 'days': 0.60; "you're": 0.61; 'show': 0.63; 'our': 0.64; 'url:p': 0.64; '30,': 0.65; 'world': 0.66; 'believe': 0.68; 'mailbox': 0.68; 'jul': 0.74; 'completion': 0.78; 'eco': 0.84; 'leo': 0.84; 'terrible': 0.84; 'url:master': 0.84; 'working,': 0.84; 'worth,': 0.84; 'url:core': 0.91 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Robert Kern Subject: Re: Getting a list of all modules Date: Fri, 01 Aug 2014 14:39:09 +0100 References: <53d8a20e$0$29977$c3e8da3$5496439d@news.astraweb.com> <53da1d5a$0$29974$c3e8da3$5496439d@news.astraweb.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: 213.1.240.226 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 In-Reply-To: <53da1d5a$0$29974$c3e8da3$5496439d@news.astraweb.com> 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: 50 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1406900361 news.xs4all.nl 2846 [2001:888:2000:d::a6]:56425 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:75476 On 2014-07-31 11:41, Steven D'Aprano wrote: > On Wed, 30 Jul 2014 21:22:18 +0800, Leo Jay wrote: > >> On Wed, Jul 30, 2014 at 3:43 PM, Steven D'Aprano >> wrote: >>> I'm looking for a programmatic way to get a list of all Python modules >>> and packages. Not just those already imported, but all those which >>> *could* be imported. >>> >>> >> If you don't actually import it, how can you know it could be imported? >> Not all .so files are valid python modules. Not all .py files could be >> imported by all python interpreters. > > You're right, of course, but I'm not concerned by whether or not the > module is error-free and can be imported successfully. > > I'm working on tab completion for module names. I have some alpha-quality > code working, so if I hit TAB after typing "import ma" I get this: > > > py> import ma > macpath macurl2path mailbox mailcap mangle > markupbase math > > For what it's worth, importing "mangle" fails with a SyntaxError. But > that's okay, I don't expect tab completion to only show *valid* > modules :-) > > Over the next few days I'll make an official announcement, but if anyone > wants a sneak-peek, check out: > > http://code.google.com/p/tabhistory/source/browse/tabhistory.py > > > where I have indenting, code completion, filename completion, and module > completion all working to some degree or another. Take a look at what has already been implemented in IPython: https://github.com/ipython/ipython/blob/master/IPython/core/completerlib.py#L208 -- Robert Kern "I have come to believe that the whole world is an enigma, a harmless enigma that is made terrible by our own mad attempt to interpret it as though it had an underlying truth." -- Umberto Eco