Path: csiph.com!au2pb.net!feeder.erje.net!1.eu.feeder.erje.net!bcyclone05.am1.xlned.com!bcyclone05.am1.xlned.com!newsfeed.xs4all.nl!newsfeed7.news.xs4all.nl!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 0.081
X-Spam-Evidence: '*H*': 0.84; '*S*': 0.01; 'context': 0.05; 'python': 0.10; 'received:mail-ig0-x22a.google.com': 0.16; 'subject:when': 0.16; 'wrote:': 0.16; 'of.': 0.18; '2015': 0.20; 'aug': 0.20; 'header:In-Reply-To:1': 0.24; 'module': 0.25; 'message- id:@mail.gmail.com': 0.27; "i'm": 0.30; 'tue,': 0.34; 'received:google.com': 0.35; 'could': 0.35; 'something': 0.35; 'there': 0.36; 'to:addr:python-list': 0.36; 'pm,': 0.36; 'subject:: ': 0.37; 'to:addr:python.org': 0.40; 'your': 0.60; 'leaving': 0.63; 'managers': 0.63; 'sounds': 0.76; 'to:name:python': 0.84; 'instrument': 0.95
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; bh=v57DYrYmBNvI7tyFYpa2kZyXL+qCcyd0jSICIcZbSRE=; b=LyWsQQcee0R3UuGI+1piKzjOjnbyTKSUlaInhVEAw8D2fvL+CEdPTH+7QkV41KCxP/ NwJlzy7ZZvRaoDvQlfMANDRyvUJuPRaNpgAy0rDR2Lkv5wHlBpcI4j9T7V4YxjRA/SlD u5cv6eshgmfFHBF7EN3nv+3YOp2WubmG307n2KidocYrsmbnniz5athsLr7f2F4MyqZO OGttAH+dggUWXQXGmgFv/lPAwSoRgT/yLmFYGLcODqZ8r8lsRRIZ6LBESSG7fKgadl/1 TEz4xRn6ybccAqSJe4fYEiK3IncwEllEMiaNulmcZ+gNQ8Sk1+8WNknPylMS/LIZxiil YnHg==
X-Received: by 10.50.73.170 with SMTP id m10mr25475994igv.60.1439393595622; Wed, 12 Aug 2015 08:33:15 -0700 (PDT)
MIME-Version: 1.0
In-Reply-To: <55CA6D7F.1060705@mail.de>
References: <55CA6D7F.1060705@mail.de>
From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Wed, 12 Aug 2015 09:32:36 -0600
Subject: Re: Hooking Mechanism when Entering and Leaving a Try Block
To: Python <python-list@python.org>
Content-Type: text/plain; charset=UTF-8
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.20+
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.111.1439393598.3627.python-list@python.org>
Lines: 8
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1439393598 news.xs4all.nl 2926 [2001:888:2000:d::a6]:50541
X-Complaints-To: abuse@xs4all.nl
X-Received-Bytes: 3164
X-Received-Body-CRC: 2097802739
Xref: csiph.com comp.lang.python:95284

On Tue, Aug 11, 2015 at 3:47 PM, Sven R. Kunze <srkunze@mail.de> wrote:
> is there something like a hook that a Python module could register to in
> order to 'trace' the entering and leaving of arbitrary try blocks?

Not that I'm aware of.

However, it sounds like context managers might do what you want. You
would just need to instrument your try blocks by adding with blocks.