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        "author": "DiscreteTom",
        "author_email": "discrete_tom@outlook.com",
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            "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
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        "description": "# refdict\n\n![PyPI](https://img.shields.io/pypi/v/refdict.svg)\n![GitHub](https://img.shields.io/github/license/DiscreteTom/refdict.svg)\n\n## Usage\n\n- Using string as chain keys to realize chain access(including `dict`/`list`/`tuple`/`str`).\n- String can perform as a reference of another item.\n\n![](https://raw.githubusercontent.com/DiscreteTom/refdict/master/img/readme.png)\n\n## Install\n\n`pip install refdict`\n\n## Features\n\n- Using `refdict` just like using `dict`/`list`/`tuple`/`str`.\n  - Methods of built-in types: `refdict({}).keys()` or `refdict([]).append(123)`.\n  - Iteration and containment check: `for x in refdict([1, 2, 3])`.\n  - Slice and slice assignment: `refdict([1, 2, 3])[:] => [1, 2, 3]`.\n  - ...\n- Chain accessing members using a string.\n  - `refdict({'1':{'1':{'1':{'1':'1'}}}})['1.1.1.1'] => 1`.\n- Using reference string to reference another item.\n\n## Description\n\nUse **reference prefix** to turn a string into a reference of another item. The default reference prefix is `@`. Reference prefix can be changed by the parameter `refPrefix` of the constructor of refdict.\n\nThe `[]` operator can be used for chain access and reference access. The separator of keys is `.` by default, and it can be changed by the parameter `separator` of the constructor.\n\nHere is an example:\n\n```python\ndata = {\n\t'player': {\n\t\t'name': 'DiscreteTom',\n\t\t'items': [\n\t\t\t'@potion.red'\n\t\t],\n\t\t'weapon': '@sword',\n\t\t'attack': '@player.weapon.attack',\n\t\t'me': '@player'\n\t},\n\t'potion': {\n\t\t'red': 'restore your health by 20%',\n\t},\n\t'sword': {\n\t\t'attack': 123\n\t},\n}\nrd = refdict(data)\nprint(rd['player.items.0']) # => restore your health by 20%\nprint(rd['player.attack']) # => 123\nprint(rd['player.items.:']) # => ['@potion.red']\nprint(rd.text('player.attack')) # => @player.weapon.attack\nprint('player.weapon' in rd) # => True\n```\n\n## Warnings\n\n**Recursive references** like `item: @item` will cause **infinite loop**, including indirect reference.\n\n```python\ndata = {\n\t'item': '@item', # => infinite loop!\n\t'wrapper': {\n\t\t'item': '@wrapper.item' # => infinite loop!\n\t},\n\t'a': '@b' # => infinite loop!\n\t'b': '@a' # => infinite loop!\n}\n```\n\n## FAQ\n\n- Q - Why I can't access the first item of `list`/`tuple`/`str` using `[1]`?\n  - A - Of course you should use `[0]` to access the first item, just like using `list`/`tuple`/`str`. It's a little bit counter-intuitive but reasonable.\n- Q - Why I got `KeyError` when using `rd['key1.key2']['key3.key4']`?\n  - The first `[]` operator will return a non-refdict object, so you can't use chain keys in the following `[]`. To get a sub-refdict, you should use `()` operator, which means you should use `rd('key1.key2')['key3.key4']`.\n\n",
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