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Project Description

Python library to calculate differences between objects.

Right now, it supports calculating differences between objects built up of dicts, lists, tuples and base types.

The major advantage compared to other diff tools is it is able to detect “slightly” changed objects that were repositioned in a list:

from differ import compare_objects

seq1 = [
    {'a': 1, 'b': 1, 'c': 1},
    {'a': 2, 'b': 2, 'c': 2},
    {'a': 3, 'b': 3, 'c': 3},
]

seq2 = [
    {'a': 30, 'b': 30, 'c': 3},
    {'a': 2, 'b': 20, 'c': 2},
    {'a': 1, 'b': 1, 'c': 10},
]

diff = compare_objects(seq1, seq2)

Result:

{'added': [],
 'changed': [0, 1, 2],
 'distance': 1.0,
 'equal': [],
 'removed': [],
 'total': 3,
 'changes': {
    0: {
        'diff': {
            'added': [],
            'changed': ['c'],
            'changes': {'c': {'distance': 1.0, 'left': 1, 'right': 10}},
            'distance': 0.3333333333333333,
            'equal': ['a', 'b'],
            'removed': [],
            'total': 3},
        'distance': 0.3333333333333333,
        'pos': 2},
    1: {
        'diff': {
            'added': [],
            'changed': ['b'],
            'changes': {'b': {'distance': 1.0, 'left': 2, 'right': 20}},
            'distance': 0.3333333333333333,
            'equal': ['a', 'c'],
            'removed': [],
            'total': 3},
        'distance': 0.3333333333333333,
        'pos': 1},
    2: {
        'diff': {
            'added': [],
            'changed': ['a', 'b'],
            'changes': {'a': {'distance': 1.0, 'left': 3, 'right': 30},
                        'b': {'distance': 1.0, 'left': 3, 'right': 30}},
            'distance': 0.6666666666666666,
            'equal': ['c'],
            'removed': [],
            'total': 3},
        'distance': 0.6666666666666666,
        'pos': 0}}}

Changelog

v0.1.4

  • Added CHANGELOG.rst to distributed files (that was the problem!)

v0.1.3

  • Fixed issues with *.rst loading for long_description.

v0.1.1

  • Initial version, with support for base objects.
Release History

Release History

0.1.4

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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0.1a

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
differ-0.1.4.tar.gz (3.4 kB) Copy SHA256 Checksum SHA256 Source Jul 3, 2014

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