Path: csiph.com!usenet.pasdenom.info!news.redatomik.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: <ian.g.kelly@gmail.com>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.056
X-Spam-Evidence: '*H*': 0.89; '*S*': 0.00; 'syntax': 0.04; 'warnings': 0.04; 'subject:Python': 0.06; 'assignment': 0.07; 'bytes,': 0.09; 'latter': 0.09; 'python': 0.11; 'bind': 0.16; 'sharp': 0.16; 'statement;': 0.16; 'syntactic': 0.16; 'targets:': 0.16; 'travis': 0.16; 'language': 0.16; 'wrote:': 0.18; 'feb': 0.22; 'references': 0.26; 'header:In-Reply-To:1': 0.27; 'words': 0.29; 'message- id:@mail.gmail.com': 0.30; 'code': 0.31; 'constant': 0.31; 'there.': 0.32; 'run': 0.32; 'url:python': 0.33; 'fri,': 0.33; 'programmers': 0.33; 'maybe': 0.34; 'editor': 0.35; 'late': 0.35; 'but': 0.35; 'received:google.com': 0.35; 'there': 0.35; 'object,': 0.36; 'url:org': 0.36; 'should': 0.36; 'requiring': 0.38; 'to:addr:python-list': 0.38; 'pm,': 0.38; 'visual': 0.39; 'sure': 0.39; 'to:addr:python.org': 0.39; 'enough': 0.39; 'unable': 0.39; 'tell': 0.60; 'url:3': 0.61; 'times': 0.62; 'making': 0.63; 'provide': 0.64; 'between': 0.67; 'obvious': 0.74; '2015': 0.84; 'can\xe2\x80\x99t': 0.84; 'difference.': 0.84; 'draws': 0.84; 'subject:Practices': 0.84; 'url:reference': 0.84; 'visits': 0.84; 'mistake': 0.91; 'you\xe2\x80\x99re': 0.91
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type:content-transfer-encoding; bh=LePYR8PmLVFxcMnt9tIc75TBf9R8xhnzHcjGPVd+aYg=; b=oDgNgL2OummL3D+9MzBrXRq79kgRfwNvu/feh45kW207Y4wCv9VBbDkDkp1Le1/EgV KcApSfiGDxSgMl38LDhYFyMNQa1iUhO1ancQbNzmoYGMOerqrGnsHD6rQSIxOWhaZLAN c/pqZN2ilMoPc+84QbjI42ksCg0GlK1+0YXSb5uOgC83fD3i33JvQq28/j3oq8aLSE07 bfXe+344s9PU4VNbEdrkGRMGcN4x4vgVY4M4qUOrSMi+pe3gNqmUp+zP9mrAo/vVTu3P OHpXMuowkaefWa045SUpK6U9wNr1fZKhVHCEZs0XOO3SwbLL8XUxE2ikMsRT+ECg3dhX HVAg==
X-Received: by 10.66.65.234 with SMTP id a10mr28337727pat.120.1425076679900; Fri, 27 Feb 2015 14:37:59 -0800 (PST)
MIME-Version: 1.0
In-Reply-To: <7053A277-9687-49B0-9FDB-CB4DB3E76DEC@gmail.com>
References: <mclca6$iie$1@ger.gmane.org> <7053A277-9687-49B0-9FDB-CB4DB3E76DEC@gmail.com>
From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Fri, 27 Feb 2015 15:37:18 -0700
Subject: Re: Python Worst Practices
To: Python <python-list@python.org>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe: <https://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive: <http://mail.python.org/pipermail/python-list/>
List-Post: <mailto:python-list@python.org>
List-Help: <mailto:python-list-request@python.org?subject=help>
List-Subscribe: <https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups: comp.lang.python
Message-ID: <mailman.19324.1425076688.18130.python-list@python.org>
Lines: 26
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1425076688 news.xs4all.nl 2923 [2001:888:2000:d::a6]:60067
X-Complaints-To: abuse@xs4all.nl
Xref: csiph.com comp.lang.python:86601

On Fri, Feb 27, 2015 at 2:21 PM, Travis Griggs <travisgriggs@gmail.com> wro=
te:
> * Make your language have a lot of keywords. Enough to make memorizing th=
em ALL unlikely, requiring constant visits to your documentation
> * Make sure said keywords are many of the obvious words programmers would=
 use in their applications (map, object, bytes, dir, etc)

None of those are keywords. Keywords are these:
https://docs.python.org/3/reference/lexical_analysis.html#keywords

> * Design your syntax so that you can=E2=80=99t disambiguate them contextu=
ally between bind and reference

Maybe I misunderstand your complaint, but Python draws a sharp
syntactic distinction between references and assignment targets: the
latter are only ever found to the left of an =3D in an assignment
statement; the former are never found there. There is no reason why an
editor should be unable to tell the difference.

> * Be sure to use it in a late bound language where no warnings will be pr=
ovided about the mistake you=E2=80=99re making at authorship time, deferrin=
g the educational experience to sundry run times

You should lint your code to get warnings about this (and many other
things) at authorship time. A good editor should also provide some
visual warning when a built-in is shadowed.