Reading Mac hardware data into salt grains

mac_hardware_data.py

import plistlib
import subprocess
import platform

def mac_hardware_data():
    '''
    Get some Mac specific grains
    '''
    
    profiler_cmd = 'system_profiler SPHardwareDataType -xml'

    if "Darwin" not in platform.platform():
        return {}

    raw_plist = subprocess.check_output(profiler_cmd, shell=True)
    hardware_data = plistlib.readPlistFromString(raw_plist)[0]["_items"][0]
    grains = {}
    for key in hardware_data:
        grains["mac_" + key] = hardware_data[key]
    return grains