Path: csiph.com!usenet.pasdenom.info!aioe.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed5.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 0.013 X-Spam-Evidence: '*H*': 0.97; '*S*': 0.00; 'exec': 0.07; 'try:': 0.07; 'cmd': 0.09; 'subject:module': 0.09; 'wrong,': 0.09; 'aug': 0.13; '6:00': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'subject:exists': 0.16; 'wrote:': 0.17; 'received:209.85.214.174': 0.21; 'header:In-Reply-To:1': 0.25; 'message-id:@mail.gmail.com': 0.27; 'correct': 0.28; "i'm": 0.29; 'print': 0.32; 'to:addr:python-list': 0.33; 'received:google.com': 0.34; 'pm,': 0.35; 'received:209.85': 0.35; 'but': 0.36; 'subject: (': 0.36; 'received:209': 0.37; 'subject:: ': 0.38; 'to:addr:python.org': 0.39; 'received:209.85.214': 0.39; 'header:Received:5': 0.40; 'think': 0.40; 'skip:a 30': 0.60; 'here': 0.65; 'gelonida': 0.84; 'subject:find': 0.84 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=fIxmd9LK9nGXBMRKd7DVlj+L+tz5K3ukH051OWe2zCA=; b=e4GFL2hzbO0bxw+GOuoQN11lnAOuhz2xgesW9l7eKHOSGlqRl9yUn5+qshJuIMgpVD Kvz4Lv3GgI9zObk8cHn1tcrm4pW+fhEgBjGirGlTlOks1IootdeNwJC3vAl8O4jJVuS+ mnou80mEJsVdhQh//BrnJypl/kATbmdG8vncSWckBi431z38gumbeAvPJQ8pns/ZVBPa YHzYEdVr7SW01ways+u1y04ha5r6vNSOhB81N1CfkPAiKi41PwD/VRbiAFxsesixbl8H Ct+QISK7uY6weRbDCC5TqTCfy6lHdx9KB7qduo0lUxBfyqoM2WorUMkQmG6/amxLXMmE H2oQ== MIME-Version: 1.0 In-Reply-To: <5020CB10.2020608@gmail.com> References: <20120807064331.GA31774@terra.cms.at> <5020CB10.2020608@gmail.com> Date: Tue, 7 Aug 2012 19:08:08 +1000 Subject: Re: find out whether a module exists (without importing it) From: Chris Angelico To: python-list@python.org Content-Type: text/plain; charset=ISO-8859-1 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: 13 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1344330491 news.xs4all.nl 6984 [2001:888:2000:d::a6]:44403 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:26694 On Tue, Aug 7, 2012 at 6:00 PM, Gelonida N wrote: > modulename = 'my.module' > cmd = 'import %s as amodule' > try: > exec(cmd) > print "imported successfully" Someone will doubtless correct me if I'm wrong, but I think you can avoid exec here with: amodule=__import__(modulename) ChrisA