Groups > comp.lang.python > #32035

resume execution after catching with an excepthook?

Path	csiph.com!usenet.pasdenom.info!weretis.net!feeder1.news.weretis.net!feeder.erje.net!newsfeed.xs4all.nl!newsfeed5.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path	<andrea.crotti.0@gmail.com>
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; 'else:': 0.03; 'exception': 0.03; 'value,': 0.03; 'elif': 0.04; 'handler': 0.04; 'def': 0.10; 'to:name:python-list': 0.15; 'sys.exit(0)': 0.16; 'sys.exit(1)': 0.16; 'true:': 0.16; 'received:209.85.214.174': 0.21; 'skip:_ 20': 0.22; 'message-id:@mail.gmail.com': 0.27; 'skip:_ 10': 0.29; 'this.': 0.29; "i'm": 0.29; 'running': 0.32; 'to:addr:python- list': 0.33; "can't": 0.34; 'program,': 0.34; 'received:google.com': 0.34; 'subject:?': 0.35; 'continue': 0.35; 'received:209.85': 0.35; 'but': 0.36; 'wanted': 0.36; 'subject:with': 0.36; 'possible': 0.37; 'received:209': 0.37; 'to:addr:python.org': 0.39; 'received:209.85.214': 0.39; 'where': 0.40; 'header:Received:5': 0.40; 'back': 0.62; 'receive': 0.71; 'execution,': 0.91
DKIM-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=zrBZleQtVDwwoTLAr/cuoc5DL6M0AGotTV0XQWYu4Bs=; b=nj+u88x4a8KW88v2Uyk54qhP0wpwZJauMTlcxUpUoqqT640xKh+PEEr9zJzzAJljuf n5APLjTxdRadIBjpiPInd7fRJoobq9wlgB+fh6j3ZAcb4BNTrcYK3NDLiv5VMxze14lI O9ZDmdTusUKmuVg/xrOYAxo89reLLJoyzYeJljZZtq2GGruVnTbCEvQiSnyrYx6XGB6u QLzV+i43VM6MmT+el4JvYDxA/+oVgX9ojLu/ztjkY6AXEULAdp/VqQcxE+jKjhHNA6NA LO5RbpzxEZdIUS9aEJ/kJa5w96NJVX/lGvMeciASKSsPtt2rBS/nvS6r/adINIkGce9S kd9A==
MIME-Version	1.0
Date	Wed, 24 Oct 2012 13:51:30 +0100
Subject	resume execution after catching with an excepthook?
From	andrea crotti <andrea.crotti.0@gmail.com>
To	python-list <python-list@python.org>
Content-Type	text/plain; charset=ISO-8859-1
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	<http://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	<http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups	comp.lang.python
Message-ID	<mailman.2758.1351083094.27098.python-list@python.org> (permalink)
Lines	33
NNTP-Posting-Host	2001:888:2000:d::a6
X-Trace	1351083094 news.xs4all.nl 6951 [2001:888:2000:d::a6]:46493
X-Complaints-To	abuse@xs4all.nl
Xref	csiph.com comp.lang.python:32035

Show key headers only | View raw

So I would like to be able to ask for confirmation when I receive a C-c,
and continue if the answer is "N/n".

I'm already using an exception handler set with sys.excepthook, but I
can't make it work with the confirm_exit, because it's going to quit in
any case..

A possible solution would be to do a global "try/except
KeyboardInterrupt", but since I already have an excepthook I wanted to
use this.  Any way to make it continue where it was running after the
exception is handled?


def confirm_exit():
    while True:
        q = raw_input("This will quit the program, are you sure? [y/N]")
        if q in ('y', 'Y'):
            sys.exit(0)
        elif q in ('n', 'N'):
            print("Continuing execution")
            # just go back to normal execution, is it possible??
            break


def _exception_handler(etype, value, tb):
    if etype == KeyboardInterrupt:
        confirm_exit()
    else:
        sys.exit(1)


def set_exception_handler():
    sys.excepthook = _exception_handler

Back to comp.lang.python | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

resume execution after catching with an excepthook? andrea crotti <andrea.crotti.0@gmail.com> - 2012-10-24 13:51 +0100
  Re: resume execution after catching with an excepthook? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-10-25 01:15 +0000
    Re: resume execution after catching with an excepthook? andrea crotti <andrea.crotti.0@gmail.com> - 2012-10-25 15:27 +0100
    Re: resume execution after catching with an excepthook? Chris Angelico <rosuav@gmail.com> - 2012-10-26 01:51 +1100
      Re: resume execution after catching with an excepthook? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-10-25 15:40 +0000
    RE: resume execution after catching with an excepthook? "Prasad, Ramit" <ramit.prasad@jpmorgan.com> - 2012-10-25 20:59 +0000
  Re: resume execution after catching with an excepthook? Hans Mulder <hansmu@xs4all.nl> - 2012-10-25 17:31 +0200
    Re: resume execution after catching with an excepthook? Chris Angelico <rosuav@gmail.com> - 2012-10-26 03:02 +1100

csiph-web