diff options
-rw-r--r-- | Lib/subprocess.py | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Lib/subprocess.py b/Lib/subprocess.py index b09a649..f63e719 100644 --- a/Lib/subprocess.py +++ b/Lib/subprocess.py @@ -136,7 +136,8 @@ check_output(*popenargs, **kwargs): The arguments are the same as for the Popen constructor. Example: - output = subprocess.check_output(["ls", "-l", "/dev/null"]) + output = check_output(["ls", "-l", "/dev/null"]) + Exceptions ---------- @@ -462,7 +463,8 @@ _active = [] def _cleanup(): for inst in _active[:]: - if inst._internal_poll(_deadstate=sys.maxint) >= 0: + res = inst._internal_poll(_deadstate=sys.maxint) + if res is not None and res >= 0: try: _active.remove(inst) except ValueError: @@ -517,11 +519,11 @@ def check_output(*popenargs, **kwargs): 'crw-rw-rw- 1 root root 1, 3 Oct 18 2007 /dev/null\n' The stdout argument is not allowed as it is used internally. - To capture standard error in the result, use stderr=subprocess.STDOUT. + To capture standard error in the result, use stderr=STDOUT. >>> check_output(["/bin/sh", "-c", ... "ls -l non_existent_file ; exit 0"], - ... stderr=subprocess.STDOUT) + ... stderr=STDOUT) 'ls: non_existent_file: No such file or directory\n' """ if 'stdout' in kwargs: |