On Sat, Jan 21, 2012 at 9:45 PM, <y...@zioup.com> wrote: > Is this the expected behavior?
Yes. `.read()` [with no argument] on a file-like object reads until EOF. See http://docs.python.org/library/stdtypes.html#file.read > When I run this script, it reads only once, but I expected once per line > with bufsize=1. You want proc.stdout.readline(). http://docs.python.org/library/stdtypes.html#file.readline > What I am trying to do is display the output of a slow process in a tkinter > window as it runs. Right now, the process runs to completion, then display > the result. > > import subprocess > > com = ['/bin/ls', '-l', '/usr/bin'] > with subprocess.Popen(com, bufsize=1, stdout=subprocess.PIPE, > stderr=subprocess.STDOUT) as proc: > print('out: ' + str(proc.stdout.read(), 'utf8')) Cheers, Chris -- http://mail.python.org/mailman/listinfo/python-list
