winprocess.py 文件源码

def run(cmd, mSec=None, stdin=None, stdout=None, stderr=None, **kw):
    """
    Run cmd as a child process and return exit code.
    mSec:  terminate cmd after specified number of milliseconds
    stdin, stdout, stderr:
           file objects for child I/O (use hStdin etc. to attach
           handles instead of files); default is caller's stdin,
           stdout & stderr;
    kw:    see Process.__init__ for more keyword options
    """
    if stdin is not None:
        kw['hStdin'] = msvcrt.get_osfhandle(stdin.fileno())
    if stdout is not None:
        kw['hStdout'] = msvcrt.get_osfhandle(stdout.fileno())
    if stderr is not None:
        kw['hStderr'] = msvcrt.get_osfhandle(stderr.fileno())
    child = Process(cmd, **kw)
    if child.wait(mSec) != win32event.WAIT_OBJECT_0:
        child.kill()
        raise WindowsError('process timeout exceeded')
    return child.exitCode()