Deep Difference of dictionaries, iterables, strings and other objects. It will recursively look for all the changes. Tested on Python 2.7 and 3.4
##Installation
###Install from PyPi:
pip install deepdiff
>>> from deepdiff import DeepDiff
int, string, dictionary, list, tuple, set, frozenset, OrderedDict, NamedTuple and custom objects!
>>> t1 = {1:1, 2:2, 3:3}
>>> t2 = t1
>>> ddiff = DeepDiff(t1, t2)
>>> ddiff
{}
>>> t1 = {1:1, 2:2, 3:3}
>>> t2 = {1:1, 2:"2", 3:3}
>>> ddiff = DeepDiff(t1, t2)
>>> print (ddiff)
{'type_changes': ["root[2]: 2=<type 'int'> ===> 2=<type 'str'>"]}
>>> t1 = {1:1, 2:2, 3:3}
>>> t2 = {1:1, 2:4, 3:3}
>>> ddiff = DeepDiff(t1, t2)
>>> print (ddiff)
{'values_changed': ['root[2]: 2 ===> 4']}
>>> t1 = {1:1, 2:2, 3:3, 4:4}
>>> t2 = {1:1, 2:4, 3:3, 5:5, 6:6}
>>> ddiff = DeepDiff(t1, t2)
>>> pprint (ddiff)
{'dic_item_added': ['root[5, 6]'],
'dic_item_removed': ['root[4]'],
'values_changed': ['root[2]: 2 ===> 4']}
>>> t1 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":"world"}}
>>> t2 = {1:1, 2:4, 3:3, 4:{"a":"hello", "b":"world!"}}
>>> ddiff = DeepDiff(t1, t2)
>>> from pprint import pprint
>>> pprint (ddiff, indent = 2)
{ 'values_changed': [ 'root[2]: 2 ===> 4',
"root[4]['b']: 'world' ===> 'world!'"]}
>>>
>>> print (ddiff['values_changed'][1])
root[4]['b']: 'world' ===> 'world!'
###String difference 2
>>> t1 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":"world!\nGoodbye!\n1\n2\nEnd"}}
>>> t2 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":"world\n1\n2\nEnd"}}
>>> ddiff = DeepDiff(t1, t2)
>>> pprint (ddiff, indent = 2)
{ 'values_changed': [ "root[4]['b']:\n"
'--- \n'
'+++ \n'
'@@ -1,5 +1,4 @@\n'
'-world!\n'
'-Goodbye!\n'
'+world\n'
' 1\n'
' 2\n'
' End']}
>>>
>>> print (ddiff['values_changed'][0])
root[4]['b']:
---
+++
@@ -1,5 +1,4 @@
-world!
-Goodbye!
+world
1
2
End
>>> t1 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":[1, 2, 3]}}
>>> t2 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":"world\n\n\nEnd"}}
>>> ddiff = DeepDiff(t1, t2)
>>> pprint (ddiff, indent = 2)
{ 'type_changes': [ "root[4]['b']: [1, 2, 3]=<type 'list'> ===> world\n"
'\n'
'\n'
"End=<type 'str'>"]}
>>> t1 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":[1, 2, 3]}}
>>> t2 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":[1, 2]}}
>>> ddiff = DeepDiff(t1, t2)
>>> pprint (ddiff, indent = 2)
{'iterable_item_removed': ["root[4]['b']: [3]"]}
>>> t1 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":[1, 2, 3]}}
>>> t2 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":[1, 3, 2, 3]}}
>>> ddiff = DeepDiff(t1, t2)
>>> pprint (ddiff, indent = 2)
{ 'iterable_item_added': ["root[4]['b']: [3]"],
'values_changed': ["root[4]['b'][1]: 2 ===> 3", "root[4]['b'][2]: 3 ===> 2"]}
>>> t1 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":[1, 2, {1:1, 2:2}]}}
>>> t2 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":[1, 2, {1:3}]}}
>>> ddiff = DeepDiff(t1, t2)
>>> pprint (ddiff, indent = 2)
{ 'dic_item_removed': ["root[4]['b'][2][2]"],
'values_changed': ["root[4]['b'][2][1]: 1 ===> 3"]}
>>> t1 = {1, 2, 8}
>>> t2 = {1, 2, 3, 5}
>>> ddiff = DeepDiff(t1, t2)
>>> print (DeepDiff(t1, t2))
{'set_item_added': ['root: [3, 5]'], 'set_item_removed': ['root: [8]']}
>>> from collections import namedtuple
>>> Point = namedtuple('Point', ['x', 'y'])
>>> t1 = Point(x=11, y=22)
>>> t2 = Point(x=11, y=23)
>>> print (DeepDiff(t1, t2))
{'values_changed': ['root.y: 22 ===> 23']}
>>> class ClassA(object):
... a = 1
... def __init__(self, b):
... self.b = b
...
>>> t1 = ClassA(1)
>>> t2 = ClassA(2)
>>>
>>> print(DeepDiff(t1, t2))
{'values_changed': ['root.b: 1 ===> 2']}
>>> t2.c = "new attribute"
>>> print(DeepDiff(t1, t2))
{'attribute_added': ['root.c'], 'values_changed': ['root.b: 1 ===> 2']}
##Documentation
http://deepdiff.readthedocs.org/en/latest/
##Changelog
- v0-5-7: Adding ignore order support
- v0-5-6: Adding slots support
- v0-5-5: Adding loop detection
##Author
Seperman
Github: https://github.com/seperman Linkedin: http://www.linkedin.com/in/sepehr ZepWorks: http://www.zepworks.com
Thanks to: brbsix for initial Py3 porting