KEYNOTFOUND = '<KEYNOTFOUND>' # KeyNotFound for dictDiff
def dict_diff(first, second):
""" Return a dict of keys that differ with another config object. If a value is
not found in one fo the configs, it will be represented by KEYNOTFOUND.
@param first: Fist dictionary to diff.
@param second: Second dicationary to diff.
@return diff: Dict of Key => (first.val, second.val)
"""
diff = {}
# Check all keys in first dict
for key in first.keys():
if (not second.has_key(key)):
diff[key] = (first[key], KEYNOTFOUND)
elif (first[key] != second[key]):
diff[key] = (first[key], second[key])
# Check all keys in second dict to find missing
for key in second.keys():
if (not first.has_key(key)):
diff[key] = (KEYNOTFOUND, second[key])
return diff
