Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail
From: "Sven R. Kunze" <srkunze@mail.de>
Newsgroups: comp.lang.python
Subject: Re: monkey patching __code__
Date: Fri, 18 Mar 2016 15:32:09 +0100
Lines: 19
Message-ID: <mailman.322.1458311532.12893.python-list@python.org>
References: <56EBEB5A.7050207@mail.de> <CALwzid=XVSnSEt14Oer-2dO-0kT+fLi1EP4mNehXc0+zDqTX=g@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
X-Trace: news.uni-berlin.de 9riEVGVmtsuqoKH16hcpkwe3bOV/QBB7C1MpWpAtwr/w==
Return-Path: <srkunze@mail.de>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.029
X-Spam-Evidence: '*H*': 0.94; '*S*': 0.00; 'defaults': 0.05; 'suggestions.': 0.09; 'template': 0.11; ':-)': 0.12; 'django': 0.13; 'attribute?': 0.16; 'better:': 0.16; 'function?': 0.16; 'received:io': 0.16; 'received:psf.io': 0.16; 'wrote:': 0.16; 'featured': 0.18; 'do.': 0.22; 'trying': 0.22; 'header:In-Reply- To:1': 0.24; 'function': 0.28; 'lot.': 0.29; 'code': 0.30; 'another': 0.32; 'especially': 0.32; 'surely': 0.33; 'open': 0.33; 'received:10.0': 0.34; 'add': 0.34; 'best,': 0.35; 'but': 0.36; 'there': 0.36; 'to:addr:python-list': 0.36; 'subject:: ': 0.37; 'received:10': 0.37; 'two': 0.37; 'thanks': 0.37; 'version': 0.38; 'why': 0.39; 'takes': 0.39; 'to:addr:python.org': 0.40; 'received:de': 0.40; 'some': 0.40; 'your': 0.60; 'charset:windows-1252': 0.62; 'our': 0.64; 'it!': 0.64; 'reverse': 0.66; 'behaviors': 0.72; 'sounds': 0.76
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=mail.de; s=mail201212; t=1458311530; bh=P4fo7Vb1zryN8gGQv9e2n1eIWtWNlKFehX83CiifQMM=; h=Subject:To:References:From:Date:In-Reply-To:From; b=uys7tX0xtmGYV3k+/SM/QWUzvgARU+hNkeBUW6p4Kcpz3OVCb11ImQOtM/fKt0WiB HkC2eRDBg6qUHCPtYXAQCR5f3n4gYIO28IUvKXr/4rx2hSdM6FBKX70COxw4NDYUeG XYimgvugySYl5p7QmmRSZ93gfOAWa3AjeySnT6VA=
In-Reply-To: <CALwzid=XVSnSEt14Oer-2dO-0kT+fLi1EP4mNehXc0+zDqTX=g@mail.gmail.com>
X-purgate: clean
X-purgate: This mail is considered clean (visit http://www.eleven.de for further information)
X-purgate-type: clean
X-purgate-Ad: Categorized by eleven eXpurgate (R) http://www.eleven.de
X-purgate: This mail is considered clean (visit http://www.eleven.de for further information)
X-purgate: clean
X-purgate-size: 728
X-purgate-ID: 154282::1458311529-000018ED-7BA0699C/0/0
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:105219

On 18.03.2016 14:47, Ian Kelly wrote:
> Your patched version takes two extra arguments. Did you add the
> defaults for those to the function's __defaults__ attribute?

That's it! :-) Thanks a lot.

Just to understand this better: why is that not part of the code object 
but part of the function?

> This sounds like a pretty hairy thing that you're trying to do. Surely
> there must be some better way to accomplish the same goal.

We are open for suggestions. We featured our own reverse function for a 
while but it lead to inconsistent behaviors across the field. Especially 
considering that Django provides an {% url %} template tag which would 
then use yet another reverse implementation.

Best,
Sven