[Python-Dev] FW: Bug? Certainly a new behavior from subprocess in 2.5 on Win32 (original) (raw)

Kevin Jacobs jacobs@bioinformed.com bioinformed at gmail.com
Fri Jul 21 01:37:49 CEST 2006

Reported to the list about a week ago, with analysis. Didn't get a response. Won't use sourceforge. Sorry about the top post.

-Kevin

On 7/20/06, Delaney, Timothy (Tim) <tdelaney at avaya.com> wrote:

Larry Hastings wrote: > I run the following script: > -- > from subprocess import * > Popen("ls -l") > -- > (yeah, I have ls.exe on Windows) > > Under Python 2.4.2, this simply dumped the results of ls.exe to the > terminal--sorry, to the "command shell". > > Under Python 2.5, both beta 1 and beta 2, it dumps the results to the > command shell, but also prints this: > > Exception exceptions.AttributeError: "'NoneType' object has no > attribute 'append'" in <subprocess.Popen object at 0x00C04EB0>> ignored > > Calling Popen() with a stdout = subprocess.PIPE does not throw this > exception. I've asked Larry to raise this on SourceForge, but with the SF email problems I thought I'd better forward it here. Looks like there's a bug in Popen.del in 2.5. I'm not in a position to have a look right now. Tim Delaney

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