Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder2.enfer-du-nord.net!cs.uu.nl!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 0.001 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'test,': 0.04; 'suppress': 0.07; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'symbolic': 0.09; '"normal"': 0.16; 'argparse': 0.16; 'bethard': 0.16; 'clash': 0.16; 'false)': 0.16; 'received:dip.t-dialin.net': 0.16; 'received:t-dialin.net': 0.16; 'safe,': 0.16; 'somewhere?': 0.16; 'subject:argparse': 0.16; 'wrote:': 0.18; '>>>': 0.18; 'arguments': 0.18; 'instance': 0.18; 'help.': 0.19; 'subject:help': 0.21; 'from:addr:web.de': 0.23; 'happen.': 0.23; "shouldn't": 0.23; 'unlikely': 0.23; 'tests': 0.25; "wasn't": 0.25; 'somewhere': 0.26; 'module': 0.26; 'code': 0.26; 'users.': 0.28; 'script': 0.28; 'second': 0.28; 'constant': 0.29; "skip:' 10": 0.29; 'correct': 0.29; 'pm,': 0.29; 'equality': 0.30; 'actually': 0.31; "i've": 0.32; 'instead': 0.33; 'object': 0.33; 'header:X-Complaints-To:1': 0.34; 'checking': 0.34; 'steven': 0.34; 'probably': 0.35; 'to:addr:python-list': 0.35; 'received:org': 0.36; 'but': 0.37; 'some': 0.38; 'should': 0.38; 'that.': 0.39; 'might': 0.40; 'to:addr:python.org': 0.40; 'more': 0.61; 'your': 0.61; 'andrea': 0.84; 'otten': 0.84; 'stems': 0.84; 'want:': 0.84 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Peter Otten <__peter__@web.de> Subject: Re: suppressing argparse arguments in the help Date: Tue, 28 Feb 2012 19:07:02 +0100 Organization: None References: <4F4CE7BC.6080908@gmail.com> <4F4CFD7A.20904@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7Bit X-Gmane-NNTP-Posting-Host: p50849a89.dip.t-dialin.net 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: 45 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1330452615 news.xs4all.nl 6948 [2001:888:2000:d::a6]:46697 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:20992 Andrea Crotti wrote: > On 02/28/2012 04:02 PM, Peter Otten wrote: >> Andrea Crotti wrote: >> >>> I have a script that might be used interactively but also has some >>> arguments that >>> should not be used by "normal" users. >>> So I just want to suppress them from the help. >>> I've read somewhere that the help=SUPPRESS should do what I want: >>> >>> parser.add_argument('-n', '--test_only', >>> action='store_true', >>> help=SUPPRESS) >>> >>> but that's what I get from "myapp -h", which is not exactly what I was >>> looking for.. >>> >>> >>> -f, --first_level ==SUPPRESS== (default: False) >>> --never_redevelop ==SUPPRESS== (default: False) >>> >>> >>> Any other solutions? >> That shouldn't happen. Did you reload() somewhere? >> argparse tests object identity not equality with SUPPRESS, so you have to >> ensure that SUPPRESS stems from the same instance of the argparse module >> as your ArgumentParser. >> > > Ah great yes it wasn't actually the same.. > but why not just use > if text != SUPPRESS > instead of: > if text is not SUPPRESS Steven Bethard would have to answer that. If it were my code I would have used the equality test, but also the correct symbolic constant... > probably the second is more safe, but they are it's still checking > against a constant that > is very unlikely to clash with anything..