boot_rom_version.py 文件源码

def fact():
    '''Returns the boot rom version'''

    result = 'None'

    try:
        proc = subprocess.Popen(
                ['/usr/sbin/system_profiler', 'SPHardwareDataType', '-xml'],
                stdout=subprocess.PIPE,
                stderr=subprocess.PIPE
                )
        stdout, _ = proc.communicate()
    except (IOError, OSError):
        stdout = None

    if stdout:
        d = plistlib.readPlistFromString(stdout.strip())
        result = d[0]['_items'][0]['boot_rom_version']

    return {factoid: result}