Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!news.stack.nl!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 0.008 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'string.': 0.04; 'python': 0.08; 'ioerror:': 0.09; 'subject:error': 0.10; 'exception': 0.12; 'def': 0.14; 'cc:addr:python-list': 0.15; 'this:': 0.15; '[errno': 0.16; 'file"': 0.16; 'py3': 0.16; 'received:192.168.200': 0.16; 'wsgi.': 0.16; 'subject:Help': 0.17; 'wrote:': 0.18; 'apache': 0.19; 'cc:no real name:2**0': 0.21; '2.5,': 0.23; 'clause': 0.23; 'name?': 0.23; 'header:In-Reply-To:1': 0.23; 'string': 0.23; 'changed': 0.24; 'variable': 0.24; "i'm": 0.26; 'looks': 0.28; 'cc:addr:python.org': 0.29; 'cc:addr:gmail.com': 0.30; 'error': 0.31; 'hi,': 0.31; "can't": 0.32; "isn't": 0.32; 'there': 0.33; 'it?': 0.33; 'header:User-Agent:1': 0.33; 'elegant': 0.34; 'try:': 0.34; 'unless': 0.35; 'cc:2**1': 0.36; 'none': 0.36; 'but': 0.37; 'using': 0.37; 'received:192': 0.38; 'returned': 0.38; 'except': 0.39; "there's": 0.39; 'subject:: ': 0.39; 'more': 0.60; 'success': 0.60; 'header:Received:6': 0.60; 'back': 0.62; 'works,': 0.68; 'gone': 0.68; 'imagine': 0.71; 'failure': 0.74; 'exc:': 0.84 X-IronPort-AV: E=Sophos;i="4.69,477,1315173600"; d="scan'208";a="2374775" X-Virus-Scanned: amavisd-new at zimbra.sequans.com Date: Tue, 08 Nov 2011 18:24:30 +0100 From: Jean-Michel Pichavant User-Agent: Mozilla-Thunderbird 2.0.0.24 (X11/20100328) MIME-Version: 1.0 To: Jean-Michel Pichavant Subject: Re: Help catching error message References: <8629ed5b-a657-4bda-9930-a0571279f4d6@p20g2000prm.googlegroups.com> <4EB963BC.7080506@sequans.com> In-Reply-To: <4EB963BC.7080506@sequans.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: python-list@python.org, Gnarlodious 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: 47 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1320773067 news.xs4all.nl 6927 [2001:888:2000:d::a6]:39961 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:15472 Jean-Michel Pichavant wrote: > Gnarlodious wrote: >> What I say is this: >> >> def SaveEvents(self,events): >> try: >> plistlib.writePlist(events, self.path+'/Data/Events.plist') # >> None if OK >> except IOError: >> return "IOError: [Errno 13] Apache can't write Events.plist >> file" >> >> Note that success returns"None" while failure returns a string. >> >> I catch the error like this: >> >> errorStatus=Data.Dict.SaveEvents(Data.Plist.Events) >> if errorStatus: content=errorStatus >> >> It works, but isn there a more elegant way to do it? As in, one line? >> I can imagine if success returned nothing then content would remain >> unchanged. Isn't there a built-in way to send an error string back and >> then catch it as a variable name? >> >> This is Py3 inside WSGI. >> >> -- Gnarlie >> > Hi, > > There's no need to rephrase an exception unless you want to *add* > information. > > def saveEvents(self,events): > plistlib.writePlist(events, self.path+'/Data/Events.plist') > try: Data.Dict.SaveEvents(Data.Plist.Events) > except IOError, exc: # i'm using python 2.5, this except clause may > have changed in py3 > content = str(exc) > > JM > looks like for whatever reason the formating has gone crazy. http://www.copypastecode.com/100088/ jm