__init__.py 文件源码

def docker_version():
    out = subprocess.check_output(["docker", "-v"])
    mo = re.match(br"Docker version (\d+)\.(\d+)\.(\d+)", out)
    if mo:
        return tuple(map(int, mo.groups()))
    die("unable to parse a version number from the output of 'docker -v'")