On Fri, 28 Dec 2012 20:57:46 -0500, Terry Reedy wrote: > On 12/28/2012 7:22 AM, Helmut Jarausch wrote: >> Hi, >> >> I'm trying to filter an mbox file by removing some messages. >> For that I use Parser= FeedParser(policy=policy.SMTP) >> and 'feed' any lines to it. >> If the mbox file contains a white line followed by '^From ', >> I do >> >> Msg= Parser.close() >> >> (lateron I delete the Parser and create a new one by Parser= >> FeedParser(policy=policy.SMTP) >> ) >> >> I can access parts of the message by Msg['Message-ID'], e.g. >> but even for the very first message, trying to print it or convert it >> to a string by MsgStr=Msg.as_string(unixfrom=True) >> >> lets Python (3.3.1_pre20121209) die with >> >> Traceback (most recent call last): >> File "Email_Parse.py", line 35, in <module> >> MsgStr=Msg.as_string(unixfrom=True) >> File "/usr/lib64/python3.3/email/message.py", line 151, in as_string >> g.flatten(self, unixfrom=unixfrom) >> File "/usr/lib64/python3.3/email/generator.py", line 112, in flatten >> self._write(msg) >> File "/usr/lib64/python3.3/email/generator.py", line 171, in _write >> self._write_headers(msg) >> File "/usr/lib64/python3.3/email/generator.py", line 198, in >> _write_headers >> self.write(self.policy.fold(h, v)) >> File "/usr/lib64/python3.3/email/policy.py", line 153, in fold >> return self._fold(name, value, refold_binary=True) >> File "/usr/lib64/python3.3/email/policy.py", line 176, in _fold >> (len(lines[0])+len(name)+2 > maxlen or >> IndexError: list index out of range > > The only list index visible is 0 in lines[0]. If this raises, lines is > empty. You could trace back to see where lines is defined. I suspect it > is all or part of the Msg you started with. > > I believe that some of email was rewritten for 3.3, so it is possible > that you found a bug based on an untrue assumption. It is also possible > that you missed a limitation in the doc, or tripped over an intended but > not written limitation. So I hope you do the tracing, so if doc or code > need a fix, a tracker issue can be opened.
Thanks Terry, I've debugged it and it smells like a bug. I have created http://bugs.python.org/issue16811 Helmut. -- http://mail.python.org/mailman/listinfo/python-list
