Re: polling for output from a subprocess module

2008-02-06 Thread Thomas Bellman
Ivo <[EMAIL PROTECTED]> wrote: > Thomas Bellman wrote: >> However, the os.read() function will only read what is currently >> available. Note, though, that os.read() does not do line-based >> I/O, so depending on the timing you can get incomplete lines, or >> multiple lines in one read. >> >>

Re: polling for output from a subprocess module

2008-02-05 Thread Ivo
Thomas Bellman wrote: > [EMAIL PROTECTED] wrote: > >> try: >> test = Popen(test_path, >> stdout=PIPE, >> stderr=PIPE, >> close_fds=True, >> env=

Re: polling for output from a subprocess module

2008-02-05 Thread Thomas Bellman
Christian Heimes <[EMAIL PROTECTED]> writes: > Thomas Bellman wrote: >> The readlines() method will read until it reaches end of file (or >> an error occurs), not just what is available at the moment. You >> can see that for your self by running: > Bad idea ;) Why is it a bad idea to see how th

Re: polling for output from a subprocess module

2008-02-04 Thread jakub . hrozek
On 4 Ún, 11:49, Thomas Bellman <[EMAIL PROTECTED]> wrote: > [EMAIL PROTECTED] wrote: > > try: > > test = Popen(test_path, > > stdout=PIPE, > > stderr=PIPE, > > close_fds=True, > >

Re: polling for output from a subprocess module

2008-02-04 Thread Christian Heimes
Thomas Bellman wrote: > The readlines() method will read until it reaches end of file (or > an error occurs), not just what is available at the moment. You > can see that for your self by running: Bad idea ;) readlines() on a subprocess Popen instance will block when you PIPE more than one strea

Re: polling for output from a subprocess module

2008-02-04 Thread Thomas Bellman
[EMAIL PROTECTED] wrote: > try: > test = Popen(test_path, > stdout=PIPE, > stderr=PIPE, > close_fds=True, > env=test_environ) > whi