# Don't use close_fds on Windows.
kUseCloseFDs = not kIsWindows
-# Use temporary files to replace /dev/null on Windows.
-kAvoidDevNull = kIsWindows
-
class ShellEnvironment(object):
"""Mutable shell environment containing things like CWD and env vars.
input = subprocess.PIPE
stderrTempFiles = []
opened_files = []
- named_temp_files = []
# To avoid deadlock, we use a single stderr stream for piped
# output. This is null until we have seen some output using
# stderr.
else:
if r[2] is None:
redir_filename = None
- if kAvoidDevNull and r[0] == '/dev/null':
- r[2] = tempfile.TemporaryFile(mode=r[1])
+ if kIsWindows and r[0] == '/dev/null':
+ r[2] = open(os.devnull, r[1])
elif kIsWindows and r[0] == '/dev/tty':
# Simulate /dev/tty on Windows.
# "CON" is a special filename for the console.
if not executable:
raise InternalShellError(j, '%r: command not found' % j.args[0])
- # Replace uses of /dev/null with temporary files.
- if kAvoidDevNull:
+ if kIsWindows:
+ # Replace uses of /dev/null with the Windows equivalent.
for i,arg in enumerate(args):
if arg == "/dev/null":
- f = tempfile.NamedTemporaryFile(delete=False)
- f.close()
- named_temp_files.append(f.name)
- args[i] = f.name
+ args[i] = os.devnull
try:
procs.append(subprocess.Popen(args, cwd=cmd_shenv.cwd,
else:
exitCode = res
- # Remove any named temporary files we created.
- for f in named_temp_files:
- try:
- os.remove(f)
- except OSError:
- pass
-
if cmd.negate:
exitCode = not exitCode