Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.001 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'context': 0.04; 'completeness': 0.05; 'instance,': 0.05; 'exception,': 0.07; 'subclasses': 0.09; 'exception': 0.12; 'def': 0.13; 'to:name :python-list@python.org': 0.15; '712': 0.16; 'currencies': 0.16; 'disclaimers': 0.16; 'disclaimers,': 0.16; 'from:addr:jpmorgan.com': 0.16; 'received:155.180': 0.16; 'received:155.180.234': 0.16; 'received:155.180.234.122': 0.16; 'received:159.53': 0.16; 'received:bankone.net': 0.16; 'received:exchad.jpmchase.net': 0.16; 'received:jpmchase.com': 0.16; 'received:jpmchase.net': 0.16; 'received:se3.svr.bankone.net': 0.16; 'received:svr.bankone.net': 0.16; 'securities,': 0.16; 'self,': 0.16; 'subject:instance': 0.16; 'url:disclosures': 0.16; 'url:jpmorgan': 0.16; 'seems': 0.20; 'string': 0.24; 'classes': 0.26; 'received:169': 0.28; 'received:169.254': 0.28; 'received:155': 0.30; 'received:159': 0.30; 'use?': 0.30; 'accuracy': 0.32; 'instead.': 0.32; 'there': 0.33; 'normally': 0.34; 'header:Received:8': 0.34; 'subject:getting': 0.34; 'to:addr:python-list': 0.35; 'phone:': 0.35; 'something': 0.35; 'but': 0.37; 'charset:us-ascii': 0.37; 'listed': 0.38; 'to:addr:python.org': 0.40; 'subject': 0.61; 'offers': 0.62; 'here': 0.64; 'account': 0.66; 'taking': 0.66; 'information,': 0.69; 'legal': 0.72; 'url:email': 0.72; 'bank': 0.75; 'sale': 0.75; 'investment': 0.77; 'purchase': 0.78; 'received:169.254.8': 0.84 X-DKIM: OpenDKIM Filter v2.1.3 sf1.jpmchase.com q2FHZ4v7013956 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=jpmorgan.com; s=smtpout; t=1331832904; bh=9UK6O3vsb+Qcm5sp4Yk/9h+zz7hKzBNH8+GG0ADBLr4=; h=From:To:Subject:Date:Message-ID:Content-Transfer-Encoding: MIME-Version:Content-Type; b=klATm6ti7hWPfMZesx4RenJY14yyWD6giiyQWGCSpBTof7S/lwfY0fNlM8B55N0nt 9jKwpMmHW9bPQENtQz2eXChYfbppw5W5MVBeUUlYqXXAlOlf+8399KYNwJ6dTY253e b/wUoO3O1Hx1E53BrrA1jQ4x92KC9d5uFMXPuJnI= From: "Prasad, Ramit" To: "python-list@python.org" Subject: Context Manager getting str instead of AttributeError instance Thread-Topic: Context Manager getting str instead of AttributeError instance Thread-Index: Ac0C0ee2HWpMrUyoSZqdW3mY/u0Aug== Date: Thu, 15 Mar 2012 17:34:44 +0000 Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.67.79.38] Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-DLP-FWD: Yes Content-Type: text/plain; charset="us-ascii" X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 17 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1331832913 news.xs4all.nl 6959 [2001:888:2000:d::a6]:34187 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:21697 So I have a context manager used to catch errors=0D=0A=0D=0Adef __exit__( s= elf, exceptionClass, exception, tracebackObject ):=0D=0A if isinstance( = exception, self=2EexceptionClasses ):=0D=0A #do something here=0D= =0A=0D=0ANormally exception would be the exception instance, but for =0D=0A= AttributeError it seems to be a string instead=2E =0D=0A=0D=0A1) Why is Att= ributeError different than the other built-ins=0D=0Ain this respect?=0D=0A2= ) Are there other standard errors like this (I know=0D=0Athat SystemExit is= different as well)?=0D=0A3) Taking into account that I want to include sub= classes of =0D=0Aclasses listed in self=2EexceptionClasses, Is there a bett= er check I can use?=0D=0A=0D=0ARamit=0D=0A=0D=0A=0D=0ARamit Prasad | JPMorg= an Chase Investment Bank | Currencies Technology=0D=0A712 Main Street | Hou= ston, TX 77002=0D=0Awork phone: 713 - 216 - 5423=0D=0A=0D=0A--=0D=0A=0D=0A= =0D=0AThis email is confidential and subject to important disclaimers and= =0D=0Aconditions including on offers for the purchase or sale of=0D=0Asecur= ities, accuracy and completeness of information, viruses,=0D=0Aconfidential= ity, legal privilege, and legal entity disclaimers,=0D=0Aavailable at http:= //www=2Ejpmorgan=2Ecom/pages/disclosures/email=2E