Get OS X Preference with Python

getpreference.py

#!/usr/bin/python
from Foundation import CFPreferencesCopyValue, \
                       kCFPreferencesAnyUser, \
                       kCFPreferencesAnyHost
def getpreferencekey(keytolookup):
'''
Returns Value for Requested Key in ManagedInstalls
'''
return CFPreferencesCopyValue(keytolookup, "/Library/Preferences/ManagedInstalls",
                              kCFPreferencesAnyUser, kCFPreferencesAnyHost)
munki_cid = getpreferencekey("ClientIdentifier")
munki_server = getpreferencekey("SoftwareRepoURL")
print munki_cid
print munki_server