mbed.py 文件源码

def pquery(command, stdin=None, **kwargs):
    if very_verbose:
        info('Query "'+' '.join(command)+'" in '+getcwd())
    try:
        proc = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, **kwargs)
    except OSError as e:
        if e[0] == errno.ENOENT:
            error(
                "Could not execute \"%s\".\n"
                "Please verify that it's installed and accessible from your current path by executing \"%s\".\n" % (command[0], command[0]), e[0])
        else:
            raise e

    stdout, _ = proc.communicate(stdin)

    if very_verbose:
        log(str(stdout).strip()+"\n")

    if proc.returncode != 0:
        raise ProcessException(proc.returncode, command[0], ' '.join(command), getcwd())

    return stdout