System Configuration Manual Key Manipulation

confignet.py

#!/usr/bin/python
import os       # To run commands 
import sys  # The exits string
import plistlib	# The property list library
# Command Declarations
scprefs = '/Library/Preferences/SystemConfiguration/preferences.plist'
scselect = '/usr/sbin/scselect'
network = '/usr/sbin/networksetup'

pl = plistlib.Plist.fromFile(scprefs)
cp = '/bin/cp'
location = "All"
pacfile = ''
searchdomains = [ 'ssd.local' , 'int.sumner.wednet.ed' ]

def backupPlist(scprefs):
	os.system(cp + ' ' + scprefs + ' ' + scprefs + '.bu')

def getLocationGUID(location):
        for networkset in pl['Sets']:
                name = pl['Sets'][networkset]['UserDefinedName']
		if name == location:
			print "Found Set " + name + "\tGUID:" + networkset 
			return networkset

def setIPv6off(networkset):
	for service in pl['Sets'][networkset]['Network']['Service']:
		name = pl['NetworkServices'][service]['Interface']['UserDefinedName']
		print "Disabling IPv6 for\t" + name + "\tGUID:" + service	
		pl['NetworkServices'][service]['IPv6']\
		['__INACTIVE__'] = 1

def setAllLocations(location):
        for networkset in pl['Sets']:
                name = pl['Sets'][networkset]['UserDefinedName']
		print "Found Set\t" + name + "\tGUID:\t" + networkset
		setIPv6off(networkset)

def setProxys(networkset):
	for service in pl['Sets'][networkset]['Network']['Service']:
		pl['NetworkServices'][service]['Proxies']\
		['ProxyAutoConfigEnable'] = 1
		pl['NetworkServices'][service]['Proxies']\
		['ProxyAutoConfigURLString'] = pacfile

def setSearchDomains(networkset):
	for service in pl['Sets'][networkset]['Network']['Service']:
		pl['NetworkServices'][service]['DNS']\
		['SearchDomains'] = searchdomains

def setAirportOff(networkset):
	for service in pl['Sets'][networkset]['Network']['Service']:
	name = pl['NetworkServices'][service]['Interface']['UserDefinedName']
	if name == 'Airport'
		pl['NetworkServices'][service]['__INACTIVE__'] = True 

def updateSCLocation():
	if '/' == '/':
		currentset = (pl['CurrentSet']).split('/')
		os.system(scselect + ' ' + currentset[-1])
	# Grab the last part of the current set Key (GUID of set or 0 for auto)

backupPlist(scprefs)

networkset = getLocationGUID(location)
# Find the network locations GUID

#setAllLocations(location)
#setProxys(networkset)
setSearchDomains(networkset)
updateSCLocation()
pl.write(scprefs)
sys.exit(0)

if '/' == '/':
...

used to be positional paramter number 3 for package based installs IIRC