On Monday 23 August 2010, it occurred to Leon Derczynski to exclaim: > Hi, > > I would like to run an external program, and discard anything written > to stderr during its execution, capturing only stdout. My code > currently looks like: > > def blaheta_tag(filename): > blaheta_dir = '/home/leon/signal_annotation/parsers/blaheta/' > process = subprocess.Popen([blaheta_dir + 'exec/funcTag', > blaheta_dir + 'data/', filename], cwd=blaheta_dir, > stdout=subprocess.PIPE) > process.wait() > return process.communicate()[0] > > This returns stdout, and stderr ends up printing to the console. How > can I disregard anything sent to stderr such that it doesn't appear on > the console?
Read it into a pipe as well, and then ignore. Or, if you're targeting only UNIX-like systems, open /dev/null for writing and redirect the output there. -- http://mail.python.org/mailman/listinfo/python-list
