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Deep Difference of dictionaries, iterables, strings and other objects. It will recursively look for all the changes.

Project description

deepdiff v 0.2
========

Deep Difference of dictionaries, iterables, strings and other objects. It will recursively look for all the changes.


##Installation

Install from PyPi:

pip install deepdiff

If you are Python3 you need to also install:

pip install future six

##Example usage

>>> from deepdiff import DeepDiff
>>> from pprint import pprint
>>> from __future__ import print_function


Same object returns empty

>>> t1 = {1:1, 2:2, 3:3}
>>> t2 = t1
>>> ddiff = DeepDiff(t1, t2)
>>> print (ddiff.changes)
{}


Type of an item has changed

>>> t1 = {1:1, 2:2, 3:3}
>>> t2 = {1:1, 2:"2", 3:3}
>>> ddiff = DeepDiff(t1, t2)
>>> print (ddiff.changes)
{'type_changes': ["root[2]: 2=<type 'int'> vs. 2=<type 'str'>"]}


Value of an item has changed

>>> t1 = {1:1, 2:2, 3:3}
>>> t2 = {1:1, 2:4, 3:3}
>>> ddiff = DeepDiff(t1, t2)
>>> print (ddiff.changes)
{'values_changed': ['root[2]: 2 ====>> 4']}


Item added and/or removed

>>> 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.changes)
{'dic_item_added': ['root[5, 6]'],
'dic_item_removed': ['root[4]'],
'values_changed': ['root[2]: 2 ====>> 4']}


String difference

>>> 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)
>>> pprint (ddiff.changes, indent = 2)
{ 'values_changed': [ 'root[2]: 2 ====>> 4',
"root[4]['b']:\n--- \n+++ \n@@ -1 +1 @@\n-world\n+world!"]}
>>>
>>> print (ddiff.changes['values_changed'][1])
root[4]['b']:
---
+++
@@ -1 +1 @@
-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.changes, 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.changes['values_changed'][0])
root[4]['b']:
---
+++
@@ -1,5 +1,4 @@
-world!
-Goodbye!
+world
1
2
End


Type change

>>> 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.changes, indent = 2)
{ 'type_changes': [ "root[4]['b']: [1, 2, 3]=<type 'list'> vs. world\n\n\nEnd=<type 'str'>"]}

List difference

>>> 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.changes, indent = 2)
{ 'list_removed': ["root[4]['b']: [3]"]}

List difference 2: Note that it DOES NOT take order into account

>>> # Note that it DOES NOT take order into account
... 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]}}
>>> ddiff = DeepDiff(t1, t2)
>>> pprint (ddiff.changes, indent = 2)
{ }


List that contains dictionary:

>>> 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.changes, indent = 2)
{ 'dic_item_removed': ["root[4]['b'][2][2]"],
'values_changed': ["root[4]['b'][2][1]: 1 ====>> 3"]}


##Documents

http://deepdiff.readthedocs.org/en/latest/



##Author

Seperman
Github: https://github.com/seperman
Linkedin: http://www.linkedin.com/in/sepehr
ZepWorks: http://www.zepworks.com

Thanks to:
brbsix for Py3 porting

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