Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail
From: Sivan Greenberg <sivan@vitakka.co>
Newsgroups: comp.lang.python
Subject: Re: Bash-like pipes in Python
Date: Thu, 17 Mar 2016 14:10:12 +0200
Lines: 33
Message-ID: <mailman.271.1458216615.12893.python-list@python.org>
References: <56e97459$0$1600$c3e8da3$5496439d@news.astraweb.com> <mailman.217.1458141621.12893.python-list@python.org> <56ea8ded$0$1614$c3e8da3$5496439d@news.astraweb.com> <87mvpxb9zi.fsf@elektro.pacujo.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
X-Trace: news.uni-berlin.de eV5FrzAJcyubpwNBDmy26QQpIY5/gWjNyNWq/xNlwPqw==
Return-Path: <sivan@vitakka.co>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.003
X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'subject:Python': 0.05; 'binary': 0.05; 'cto': 0.07; 'cc:addr:python-list': 0.09; 'objects.': 0.09; 'output': 0.13; 'skip:f 30': 0.15; 'thu,': 0.15; '2016': 0.16; 'cc:name:python list': 0.16; 'correctly,': 0.16; 'pipes': 0.16; 'received:io': 0.16; 'received:psf.io': 0.16; 'suggestion.': 0.16; 'wrote:': 0.16; 'implementing': 0.18; '&gt;': 0.18; 'input': 0.18; 'cc:2**0': 0.20; 'cc:addr:python.org': 0.20; 'am,': 0.23; 'header:In-Reply-To:1': 0.24; 'message- id:@mail.gmail.com': 0.27; 'url:mailman': 0.30; 'skip:. 10': 0.32; 'url:python': 0.33; "d'aprano": 0.33; 'steven': 0.33; 'subject:like': 0.33; 'url:listinfo': 0.34; 'received:google.com': 0.35; 'could': 0.35; 'url:org': 0.36; 'received:209.85': 0.36; 'founder': 0.36; 'url:library': 0.36; 'pm,': 0.36; 'subject:: ': 0.37; 'method': 0.37; 'received:209': 0.38; 'skip:p 20': 0.38; 'thank': 0.38; 'subject:-': 0.39; 'url:mail': 0.40; 'still': 0.40; '&amp;': 0.61; 'mar': 0.65; 'here': 0.66; 'overloading': 0.84; 'pipeline': 0.91
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vitakka-co.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc; bh=WmodzKnDYONrQVPDT7rMy6pT9fhFlDXRKHnmJwvQ4Ik=; b=1sJzfTKrYjNAq/o3A3/5Ds59NgzCCpyWuGI2zQMpjP6xQMunz62/5bvBALP9QsLAWA 7dxdEuc149L7u2AjdlZog+oY+OYGyQKAUHuyfoNFzTEKho+Y4mY0NyeWsDEUrtxMC2J6 lMeS2xUOm1dCMEYFG4MtLsrEOJoJk6HF5xboZdQL5MeMMgXP7vvvENiRvU/dS4GqmeoR pM1O3mDNio5VIl91U0crgUsK3O+eeyaTeMZliPn6A4QRvOavcmvPgwM0oxkw/QBDaoWp GT3MORII15OEhwRWCfT6XNBOsPCcy3EtVLq8Kx2X2lJOirhOChjd+GeD5UtW292/b31t LyXQ==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc; bh=WmodzKnDYONrQVPDT7rMy6pT9fhFlDXRKHnmJwvQ4Ik=; b=YL3iOq6G4tq81Ohot9dvl/qWx8/fV0i13SmrzHm2QlILP/1vZ/qt9M9QEOCzDCaIR7 m+mAahmF5mwqb6Hpq5kUTm2JbsJ7TbXmQbHHOpkmiDpSjTMjclcFFEf8pr1PzE1WsR9Y LRkr/oXYy9eFBDbvKBJ0WFDd7rltXqzxSkp0Sh4TnmCP4eLPdcOzlMEbhsE2Z1u6blE+ Rquw7RQCbHjXTCq/AifKxq6z4so8wK9Ra4NDIST9y2kZ+oqxmQMINhkTdrVe0RjkxLig SJFM9g9SptlHZe4vPvd5D09bHxUSCxa1xjVnIrfEc7Z6b6LaEnNTXAaYND2CxVVgnUTL y14g==
X-Gm-Message-State: AD7BkJLprPJLPnzubKT6dKIaycaGYVzzTCC8Wa/szGbuXGSWLCnXIwo0G5zNY3tq2VMvonCYRBLXho1gpr0Y0w==
X-Received: by 10.129.17.142 with SMTP id 136mr3623005ywr.109.1458216613000; Thu, 17 Mar 2016 05:10:13 -0700 (PDT)
X-Originating-IP: [31.154.12.26]
In-Reply-To: <87mvpxb9zi.fsf@elektro.pacujo.net>
X-Content-Filtered-By: Mailman/MimeDel 2.1.21
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.21
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>
Xref: csiph.com comp.lang.python:105089

If I understand correctly, the binary right or overloading that's seen here
can be applied to any other computational objects.

I could also think of implementing it for input / output pipes overloading
the __ror__ method with .communicate() method of the Popen object [0].

-Sivan

[0]: https://docs.python.org/2/library/subprocess.html#popen-objects

On Thu, Mar 17, 2016 at 1:49 PM, Marko Rauhamaa <marko@pacujo.net> wrote:

> Steven D'Aprano <steve@pearwood.info>:
>
> > On Thu, 17 Mar 2016 02:20 am, Random832 wrote:
> >> fpipe("abcd12345xyz", pfilter(str.isdigit), pmap(int), preduce(mul))
> >
> > Intriguing! Thank you for the suggestion.
>
> Still want the pipeline syntax!
>
>
> Marko
> --
> https://mail.python.org/mailman/listinfo/python-list
>



-- 
Sivan Greenberg
Co founder & CTO
Vitakka Consulting