Created
January 26, 2017 09:29
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| def dict_diff1(first, second, NO_KEY='<KEYNOTFOUND>'): | |
| """ 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 NO_KEY. | |
| @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], NO_KEY) | |
| 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] = (NO_KEY, second[key]) | |
| return diff | |
| def dict_diff2(dict_a, dict_b): | |
| return dict([ | |
| (key, dict_b.get(key, dict_a.get(key))) | |
| for key in set(dict_a.keys()+dict_b.keys()) | |
| if ( | |
| (key in dict_a and (not key in dict_b or dict_a[key] != dict_b[key])) or | |
| (key in dict_b and (not key in dict_a or dict_a[key] != dict_b[key])) | |
| ) | |
| ]) | |
| def dict_diff3(d1, d2, NO_KEY='<KEYNOTFOUND>'): | |
| d1k = set(d1) | |
| d2k = set(d2) | |
| both = d1k & d2k | |
| diff = {k:(d1[k], d2[k]) for k in both if d1[k] != d2[k]} | |
| diff.update({k:(d1[k], NO_KEY) for k in d1k - both}) | |
| diff.update({k:(NO_KEY, d2[k]) for k in d2k - both}) | |
| return diff |
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