spawn.py 文件源码

def _spawn_os2(cmd, search_path=1, verbose=0, dry_run=0):
    executable = cmd[0]
    if search_path:
        # either we find one or it stays the same
        executable = find_executable(executable) or executable
    log.info(' '.join([executable] + cmd[1:]))
    if not dry_run:
        # spawnv for OS/2 EMX requires a full path to the .exe
        try:
            rc = os.spawnv(os.P_WAIT, executable, cmd)
        except OSError, exc:
            # this seems to happen when the command isn't found
            raise DistutilsExecError, \
                  "command '%s' failed: %s" % (cmd[0], exc[-1])
        if rc != 0:
            # and this reflects the command running but failing
            log.debug("command '%s' failed with exit status %d" % (cmd[0], rc))
            raise DistutilsExecError, \
                  "command '%s' failed with exit status %d" % (cmd[0], rc)