#!/usr/bin/python -tt

import gconf
import sys

def recurse_gconf(client, path, thisdict):
    stuff = client.all_dirs(path) + client.all_entries(path)
    for item in stuff:
        if type(item) == gconf.Entry:
            if item.value != None:
                val = (item.value.type, item.value.to_string())
            else:
                val = (type(None), None)
            
            thisdict[item.key] = val
        else:
            thisdict = recurse_gconf(client, item, thisdict)

    return thisdict


def human_entry(value):
   if value == None:
       return None
   else:
       return value.to_string()
       
if len(sys.argv) < 3:
    print "usage: diff-gconf.py old new"
    sys.exit(1)
    
old_source = 'xml:readwrite:%s' % sys.argv[1]
new_source = 'xml:readwrite:%s' % sys.argv[2]

old_engine = gconf.engine_get_for_address(old_source)
new_engine = gconf.engine_get_for_address(new_source)

old_conf = gconf.client_get_for_engine(old_engine)
new_conf = gconf.client_get_for_engine(new_engine)


old_entry_dict = recurse_gconf(old_conf, '/', {})
new_entry_dict = recurse_gconf(new_conf, '/', {})


del_dict = {}
add_dict = {}

for (k, (t, v)) in old_entry_dict.items():
    if not new_entry_dict.has_key(k):
        del_dict[k] = 1
        continue
        
   

for (k, (t,v)) in new_entry_dict.items():
    if not old_entry_dict.has_key(k):
        add_dict[k] = (t,v)
        continue
    
    if new_entry_dict[k] != old_entry_dict[k]:
        add_dict[k] = (t,v)


for k in del_dict.keys():
    print '- %s' % k

for k in add_dict.keys():
    (t, v) = add_dict[k]
    print '! %s = %s' % (k, v)