{
    "info": {
        "author": "Michael Samoglyadov",
        "author_email": "mixas.sr@gmail.com",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 3 - Alpha",
            "Intended Audience :: Developers",
            "License :: OSI Approved :: Apache Software License",
            "Operating System :: OS Independent",
            "Programming Language :: Python",
            "Programming Language :: Python :: 3",
            "Programming Language :: Python :: 3.4",
            "Programming Language :: Python :: 3.5",
            "Programming Language :: Python :: 3.6",
            "Programming Language :: Python :: 3.7",
            "Programming Language :: Python :: Implementation :: CPython",
            "Programming Language :: Python :: Implementation :: PyPy",
            "Topic :: Software Development :: Libraries :: Python Modules"
        ],
        "description": "# Nested-Diff.py\n\nRecursive diff for python nested structures, implementation of\n[Nested-Diff](https://github.com/mr-mixas/Nested-Diff)\n\nBuiltin containers traversed recursively, all other types compared by values.\n\n[![Build Status](https://travis-ci.org/mr-mixas/Nested-Diff.py.svg?branch=master)](https://travis-ci.org/mr-mixas/Nested-Diff.py)\n[![Coverage Status](https://coveralls.io/repos/github/mr-mixas/Nested-Diff.py/badge.svg)](https://coveralls.io/github/mr-mixas/Nested-Diff.py)\n[![Supported Python versions](https://img.shields.io/pypi/pyversions/nested_diff.svg)](https://pypi.org/project/nested_diff/)\n[![License](https://img.shields.io/pypi/l/nested_diff.svg)](https://pypi.org/project/nested_diff/)\n\n## Diff format\n\nDiff is a dict and may contain following keys:\n\n* `A` stands for 'added', it's value - added item.\n* `D` means 'different' and contains subdiff.\n* `E` diffed entity (optional), value - empty instance of entity's class.\n* `I` index for sequence item, used only when prior item was omitted.\n* `N` is a new value for changed item.\n* `O` is a changed item's old value.\n* `R` key used for removed item.\n* `U` represent unchanged item.\n\nDiff metadata alternates with actual data; simple types specified as is, dicts,\nlists and tuples contain subdiffs for their items with native for such types\naddressing: indexes for lists and tuples and keys for dictionaries. Each status\ntype, except `D`. `E` and `I`, may be omitted during diff computation. `E` tag\nis used with `D` when entity unable to contain diff by itself (set, frozenset);\n`D` contain a list of subdiffs in this case.\n\nAnnotated example:\n\n```\na:  {\"one\": [5,7]}\nb:  {\"one\": [5], \"two\": 2}\nopts: U=False  # omit unchanged items\n\ndiff:\n{\"D\": {\"one\": {\"D\": [{\"I\": 1, \"R\": 7}]}, \"two\": {\"A\": 2}}}\n| |   |  |    | |   || |   |   |   |       |    | |   |\n| |   |  |    | |   || |   |   |   |       |    | |   +- with value 2\n| |   |  |    | |   || |   |   |   |       |    | +- key 'two' was added\n| |   |  |    | |   || |   |   |   |       |    +- subdiff for it\n| |   |  |    | |   || |   |   |   |       +- another key from top-level\n| |   |  |    | |   || |   |   |   +- what it was (item's value: 7)\n| |   |  |    | |   || |   |   +- what happened to item (removed)\n| |   |  |    | |   || |   +- list item's actual index\n| |   |  |    | |   || +- prior item was omitted\n| |   |  |    | |   |+- subdiff for list item\n| |   |  |    | |   +- it's value - list\n| |   |  |    | +- it is deeply changed\n| |   |  |    +- subdiff for key 'one'\n| |   |  +- it has key 'one'\n| |   +- top-level thing is a dict\n| +- changes somewhere deeply inside\n+- diff is always a dict\n```\n\n## Examples\n\n```\n>>> from nested_diff import diff, patch\n>>>\n>>> a = {'one': 1, 'two': 2, 'three': 3}\n>>> b = {'one': 1, 'two': 42}\n>>>\n>>> diff(a, b)\n{'D': {'three': {'R': 3}, 'two': {'O': 2, 'N': 42}, 'one': {'U': 1}}}\n>>>\n>>> diff(a, b, O=False, U=False)\n{'D': {'two': {'N': 42}, 'three': {'R': 3}}}\n>>>\n>>>\n>>> c = [0,1,2,3]\n>>> d = [  1,2,4,5]\n>>>\n>>> diff(c, d, O=False, U=False)\n{'D': [{'R': 0}, {'I': 3, 'N': 4}, {'A': 5}]}\n>>>\n>>>\n>>> c = patch(c, diff(c, d))\n>>> assert c == d\n```\n\n## Subclassing\n\n```\nfrom nested_diff import Differ\n\n\nclass CustomDiffer(Differ):\n    \"\"\"\n    Use custom precision for floats.\n\n    \"\"\"\n    def __init__(self, float_precision=2, *args, **kwargs):\n        super().__init__(*args, **kwargs)\n        self.set_differ(float, self.diff_float)\n        self.float_precision = float_precision\n\n    def diff_float(self, a, b):\n        if round(a, self.float_precision) == round(b, self.float_precision):\n            return {'U': a} if self.op_u else {}\n\n        return super().diff__default(a, b)\n\n\ndiffer = CustomDiffer(float_precision=1, U=False)\n\na = [0.001, 0.01, 0.1]\nb = [0.002, 0.02, 0.2]\n\nassert {'D': [{'I': 2, 'N': 0.2, 'O': 0.1}]} == differ.diff(a, b)\n```\n\n## License\n\nLicensed under the terms of the [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0>).\n\n## See Also\n\n[deepdiff](https://pypi.org/project/deepdiff/),\n[jsondiff](https://pypi.org/project/jsondiff/),\n[jsonpatch](https://pypi.org/project/jsonpatch/),\n[json-delta](https://pypi.org/project/json-delta/)\n\n\n",
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