Message 129888 - Python tracker

Message129888

Author	vstinner
Recipients	Aaron.Sherman, giampaolo.rodola, gregory.p.smith, neologix, pitrou, vstinner
Date	2011-03-02.13:00:47
SpamBayes Score	0.002936644
Marked as misclassified	No
Message-id	<1299070848.82.0.768547963896.issue11314@psf.upfronthosting.co.za>
In-reply-to

Content
> os.popen is 41% is slower than subprocess: I suppose that it > is the usage of stdout=PIPE (creation of the pipe) which make > it slower Oh no, it's because os.popen() calls subprocess.Popen() with shell=True: the overhead is the shell. Nothing wrong here.

Content

> os.popen is 41% is slower than subprocess: I suppose that it 
> is the usage of stdout=PIPE (creation of the pipe) which make 
> it slower

Oh no, it's because os.popen() calls subprocess.Popen() with shell=True: the overhead is the shell. Nothing wrong here.

History
Date	User	Action	Args
2011-03-02 13:00:48	vstinner	set	recipients: + vstinner, gregory.p.smith, pitrou, giampaolo.rodola, neologix, Aaron.Sherman
2011-03-02 13:00:48	vstinner	set	messageid: <1299070848.82.0.768547963896.issue11314@psf.upfronthosting.co.za>
2011-03-02 13:00:47	vstinner	link	issue11314 messages
2011-03-02 13:00:47	vstinner	create