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    "info": {
        "author": "Oliver Russell",
        "author_email": "ojhrussell@gmail.com",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 3 - Alpha",
            "Intended Audience :: Developers",
            "License :: OSI Approved :: MIT License",
            "Programming Language :: Python",
            "Programming Language :: Python :: 3.2",
            "Programming Language :: Python :: 3.3",
            "Programming Language :: Python :: 3.4",
            "Programming Language :: Python :: 3.5",
            "Topic :: Software Development"
        ],
        "description": "# immerframe\nCreate the next immutable object by simply modifying the current one\n\n*This is a Python port of [immer](https://github.com/mweststrate/immer).*\n\n```bash\npip install immerframe\n```\n\nWant to do a deep update on a Python data structure without mutating it? No problem:\n\n```python\nfrom immerframe import Proxy, produce\n\nAnt = namedtuple('Ant', 'age')\nnested = {\n    'foo': [\n        Ant(age=2),\n        'bar',\n    ],\n}\n\nproxy = Proxy()\nproxy['foo'][0].age += 1\nproxy['foo'].pop()\nproxy['qux'] = 99\n\nnew_nested = produce(proxy, nested)\n```\n\n`new_nested` will now equal\n\n```python\n{\n    'foo': [\n        Ant(age=3),\n    ],\n    'qux': 99,\n}\n```\n\nwhile `nested` will remain unchanged.\n\n\"What about my typing?\"\n\n```python\nfrom typing import cast\n\nCat = namedtuple('Cat', 'name')\n\nproxy = cast(Cat, Proxy())\n# continue as before but with autocomplete and type checking!\nproxy.name = 'Felix'\n```\n\n`immerframe` uses structural sharing, so should be efficient in most cases:\n\n```python\nd = {'foo': 1}\nl = [d]\n\nproxy = Proxy()\nproxy.append(100)\nnew_l = produce(proxy, l)\nassert new_l == [d, 100]\nassert new_l[0] is d\n```\n\n`immerframe` supports:\n\n- `dict`s\n- `list`s\n- `set`s\n- `tuples`s\n- `namedtuples`s\n- `attrs`s\n\n## `Lens`\n\n`immerframe` comes with a `Lens` class to help with path reuse, it has `.get`, `.set`, `.modify`:\n\n```python\nd = {'foo': [1, 2, 3, 4]}\n\nlens = Lens(Proxy()['foo'][1])\n\nnew_d = lens.set(d, 100)\nassert new_d == {'foo': [1, 100, 3, 4]}\nassert d == {'foo': [1, 2, 3, 4]}\nassert lens.get(d) == 2\n\nanother_d = lens.modify(d, lambda n: n + 1000)\nassert another_d == {'foo': [1, 1002, 3, 4]}\n```\n\n`Lens`s are composable via their `.proxy()` method, (this duplicates of the originally provided proxy) `Lens(Lens(Proxy()['foo']).proxy()[1])` is equivalent to `Lens(Proxy()['foo'][1])`.\n\n## Plugins:\n\n`immerframe` currently has an `attrs` plugin, registering plugins is pretty easy, just mutate the `immerframe.plugins` list (see [here](https://github.com/leontrolski/immerframe/blob/master/immerframe/__init__.py#L171) for the structure of the existing attr plugin).",
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        "keywords": "",
        "license": "MIT License",
        "maintainer": "",
        "maintainer_email": "",
        "name": "immerframe",
        "package_url": "https://pypi.org/project/immerframe/",
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