Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail From: Chris Angelico Newsgroups: comp.lang.python Subject: Re: Is vars() the most useless Python built-in ever? Date: Wed, 2 Dec 2015 20:33:17 +1100 Lines: 21 Message-ID: References: <565cf141$0$1612$c3e8da3$5496439d@news.astraweb.com> <20151201084416.GA2700@beagle> <20151201213100.GA9665@beagle.localdomain> <20151202090954.GC9665@beagle.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Trace: news.uni-berlin.de XFtuVUu07nt7pfgtyI+JwA0dkw2h0vSFZb8jCtZm487g== 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; 'url:pypi': 0.03; 'received:209.85.223': 0.03; 'subject:Python': 0.05; 'main()': 0.07; 'wrapper': 0.07; 'cc:addr:python-list': 0.09; 'url:github': 0.09; 'example:': 0.10; 'anyway': 0.11; 'wed,': 0.15; 'things.': 0.15; 'argparse': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'received:io': 0.16; 'received:psf.io': 0.16; 'subject:ever': 0.16; 'subject:most': 0.16; 'url:py': 0.16; 'wrote:': 0.16; '2015': 0.20; 'cc:2**0': 0.20; 'cc:addr:python.org': 0.20; 'handles': 0.20; 'help.': 0.23; 'wrote': 0.23; 'dec': 0.23; 'written': 0.24; 'header:In-Reply- To:1': 0.24; 'script': 0.25; "i've": 0.25; 'define': 0.27; 'message-id:@mail.gmail.com': 0.27; 'function': 0.28; 'looks': 0.29; 'url:python': 0.33; 'true.': 0.33; 'similar': 0.33; 'correctly': 0.34; 'received:google.com': 0.35; 'could': 0.35; 'but': 0.36; 'url:org': 0.36; 'received:209.85': 0.36; 'subject:?': 0.36; 'pm,': 0.36; 'subject:: ': 0.37; 'received:209': 0.38; 'wrong': 0.38; 'subject:the': 0.39; 'subject:-': 0.39; 'directly.': 0.76; 'chrisa': 0.84; 'clize': 0.84; 'docstrings.': 0.84; 'otten': 0.84; 'this...': 0.84; 'url:clize': 0.84; 'url:master': 0.84; 'to:none': 0.91 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:cc :content-type:content-transfer-encoding; bh=n+4Hr/SBN/DyzUpmqBJhLRmFPHgmVJ2Zc5/g9C/Zh3Y=; b=kxey8tuKR/ggzRJ+oMLZ6fpL5I7sOzIkxWaOHy033hc4Twy/lwTSLvphKYSbVpuoYU lD5V98VBy+4Jvjlq8M2R3MWVn0/6PzN97ibsUTzcEHSZfRbJYUGmrxImfsPBc5PQmoo+ 3tDkr0YR1HES7XnsYQwBY4aOMASNENhwSyB/2qXQhA8X8cKiO06fQzV81vufHp/jzT23 4DFzrUIIAKg0ejIMfd69cwVc+35lLAo0k/rpkUEYBdEN2FQhqgluJik/vUAGXOj0gmbb m3ktjhn9GBn+ybkd39/M9aQ/weG8hklf9G8P+dYl7BuuY3vuPkHlhXKV7zDfyKnhFJJv 3TJA== X-Received: by 10.107.10.233 with SMTP id 102mr2628270iok.31.1449048797382; Wed, 02 Dec 2015 01:33:17 -0800 (PST) In-Reply-To: <20151202090954.GC9665@beagle.localdomain> X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.20+ Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Xref: csiph.com comp.lang.python:99859 On Wed, Dec 2, 2015 at 8:09 PM, Manolo Mart=C3=ADnez wrote: > Peter Otten wrote: >> As far as I can see in a correctly written script the AttributeError can= not >> be triggered by the user as argparse handles this case automatically by >> showing the help. > > This... is true. I could have sworn that's not the way argparse behaved > when I wrote that snippet, but I've been very wrong before about similar > things. Anyway my main() function looks much better now :) I would recommend not using argparse directly. Pick up a wrapper like clize, and then define everything through docstrings. Clize usage example: https://github.com/Rosuav/LetMeKnow/blob/master/letmeknow.py https://pypi.python.org/pypi/clize ChrisA