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        "author": "Alin Panaitiu",
        "author_email": "alin.p32@gmail.com",
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            "Natural Language :: English",
            "Operating System :: OS Independent",
            "Programming Language :: Python :: 3.5",
            "Programming Language :: Python :: 3.6",
            "Programming Language :: Python :: Implementation :: CPython",
            "Programming Language :: Python :: Implementation :: PyPy"
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        "description": "# pyorderby\n\nPython key functions for multi-field ordering in SQL ORDER BY fashion\n\n[![image]]\n\nMeant to be used with built-in `sorted()` *key function*.\n\nSupports also `list.sort()` doing *in-place sorting*.\n\nImplementation uses `operator.itemgetter()` + some internal helper classes to allow descending sorting order.\n\nSo far this is tested and used on *lists of dictionaries*. Adding support for named tuples and others would be possible (using `operator.attrgetter()`).\n\n## Usage\n\n-   SQL-like: `orderby('foo ASC, bar DESC')`\n-   eval like: `orderby('$foo - $bar * 10')`\n-   chained: `asc('foo').desc('bar')` usage\n-   multiple fields at once: `asc('foo', 'bar')`\n\n## Examples\n\n#### `orderby()` string syntax:\n\n``` python\n>>> from orderby import orderby\n>>> import json\n>>> files = [\n...   {'size': 1234, 'path': 'foo/bar.txt'},\n...   {'size': 0, 'path': '/dev/null'},\n...   {'size': 1234, 'path': 'foo/abc.bin'},\n... ]\n>>> print(json.dumps(sorted(files, key=orderby('size DESC, path')), indent=2))\n[\n  {\n    \"size\": 1234,\n    \"path\": \"foo/abc.bin\"\n  },\n  {\n    \"size\": 1234,\n    \"path\": \"foo/bar.txt\"\n  },\n  {\n    \"size\": 0,\n    \"path\": \"/dev/null\"\n  }\n]\n```\n\n#### Chained asc() and desc() usage:\n\n``` python\n>>> from orderby import asc, desc\n>>> print(json.dumps(sorted(files, key=desc('size').asc('path')), indent=2))\n[\n  {\n    \"size\": 1234,\n    \"path\": \"foo/abc.bin\"\n  },\n  {\n    \"size\": 1234,\n    \"path\": \"foo/bar.txt\"\n  },\n  {\n    \"size\": 0,\n    \"path\": \"/dev/null\"\n  }\n]\n```\n\n#### In-place sorting of a list:\n\n``` python\n>>> files.sort(key=desc('path'))\n>>> print(json.dumps(files, indent=2))\n[\n  {\n    \"size\": 1234,\n    \"path\": \"foo/bar.txt\"\n  },\n  {\n    \"size\": 1234,\n    \"path\": \"foo/abc.bin\"\n  },\n  {\n    \"size\": 0,\n    \"path\": \"/dev/null\"\n  }\n]\n>>> files.sort(key=desc('size').asc('path'))\n>>> print(json.dumps(files, indent=2))\n[\n  {\n    \"size\": 1234,\n    \"path\": \"foo/abc.bin\"\n  },\n  {\n    \"size\": 1234,\n    \"path\": \"foo/bar.txt\"\n  },\n  {\n    \"size\": 0,\n    \"path\": \"/dev/null\"\n  }\n]\n```\n\n#### Works also with [SortedContainers]:\n\n``` python\n>>> from sortedcontainers import SortedList\n>>> from orderby import desc\n>>> mylist = SortedList(key=desc('value'))\n>>> mylist\nSortedListWithKey([], key=<orderby.sorter.OrderBy object at 0x108f65978>, load=1000)\n>>> mylist.add({'value': 13})\n>>> mylist.add({'value': 2})\n>>> mylist.add({'value': 1000})\n>>> mylist\nSortedListWithKey([{'value': 1000}, {'value': 13}, {'value': 2}], key=<orderby.sorter.OrderBy object at 0x108f65978>, load=1000)\n```\n\n  [image]: https://img.shields.io/pypi/v/orderby.svg\n  [![image]]: https://pypi.python.org/pypi/orderby\n  [SortedContainers]: http://www.grantjenks.com/docs/sortedcontainers/\n\n",
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