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        "author": "Shoma Hosaka",
        "author_email": "shoma.h4a+pypi@gmail.com",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 2 - Pre-Alpha",
            "License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL)",
            "Programming Language :: Python",
            "Programming Language :: Python :: 2",
            "Programming Language :: Python :: 2.6",
            "Programming Language :: Python :: 2.7",
            "Topic :: Software Development :: Libraries :: Python Modules",
            "Topic :: Utilities"
        ],
        "description": "This module provides dynamic type check mechanism.\n\nNormal Type Check:\n\n   >>> from typechecker import typeinfo, list_, tuple_, has_attrs\n   >>> @typeinfo(int, x=int, y=int)\n   ... def add(x, y):\n   ...     return x + y\n   >>> add(10, 20)\n   30\n   >>> add('aa', 'bb')\n   Traceback (most recent call last):\n     File \"<console>\", line 1, in <module>\n     File \"typechecker/typeinfo.py\", line 113, in call\n       _check_arg(f, assigned, types)\n     File \"typechecker/typeinfo.py\", line 84, in _check_arg\n       f.__name__))\n   TypeError: In function add, argument \"y\" required \"int\". \"str\" found.\n\nTuple Type Check:\n\n   >>> @typeinfo(int, val=tuple_(int, str))\n   ... def test(val):\n   ...     return len(val)\n   ...\n   >>> test((19, 'aaa'))\n   2\n   >>> test('aaa')\n   Traceback (most recent call last):\n     File \"<console>\", line 1, in <module>\n     File \"typechecker/typeinfo.py\", line 113, in call\n       _check_arg(f, assigned, types)\n     File \"typechecker/typeinfo.py\", line 84, in _check_arg\n       f.__name__))\n   TypeError: In function test, argument \"val\" required \"tuple[int, str]\". \"str\" found.\n\nList Type Check:\n\n    >>> @typeinfo(int, val=list_(int))\n    ... def test(val):\n    ...     return 10\n    ...\n    >>> test([1,2,3])\n    10\n    >>> test([1,2,'aaa'])\n    Traceback (most recent call last):\n      File \"typechecker/typeinfo.py\", line 113, in call\n        _check_arg(f, assigned, types)\n      File \"typechecker/typeinfo.py\", line 84, in _check_arg\n        f.__name__))\n    TypeError: In function test, argument \"val\" required \"list[int]\". \"list\" found.\n\nComplex Type Check:\n \n    >>> @typeinfo(int, val=tuple_(list_(int)))\n    ... def test(val):\n    ...     return 10\n    ...\n    >>> test(([1],))\n    10\n    >>> test((['aa'],))\n    Traceback (most recent call last):\n      File \"/usr/local/python2.7/lib/python2.7/doctest.py\", line 1254, in __run\n        compileflags, 1) in test.globs\n      File \"<doctest typechecker[12]>\", line 1, in <module>\n        test((['aa'],))\n      File \"typechecker/typeinfo.py\", line 113, in call\n        _check_arg(f, assigned, types)\n      File \"typechecker/typeinfo.py\", line 84, in _check_arg\n        f.__name__))\n    TypeError: In function test, argument \"val\" required \"tuple[list[int]]\". \"tuple\" found.\n\n\n Structural subtyping:\n\n    >>> @typeinfo(int, f=Callable)\n    ... def test(f):\n    ...     return 10\n    ...\n    >>> test(map)\n    10\n    >>> test(1)\n    Traceback (most recent call last):\n      File \"<console>\", line 1, in <module>\n      File \"typechecker/typeinfo.py\", line 113, in call\n        _check_arg(f, assigned, types)\n      File \"typechecker/typeinfo.py\", line 84, in _check_arg\n        f.__name__))\n    TypeError: In function test, argument \"f\" required \"hasattr[__call__]\". \"int\" found.\n\n\nAnd check:\n\n    >>> @typeinfo(int, f=and_(Callable, ContextManager))\n    ... def test(f):\n    ...     return 10\n    ...\n    >>> test(file)\n    10\n    >>> test(map)\n    Traceback (most recent call last):\n      File \"<console>\", line 1, in <module>\n      File \"typechecker/typeinfo.py\", line 113, in call\n        _check_arg(f, assigned, types)\n      File \"typechecker/typeinfo.py\", line 84, in _check_arg\n        f.__name__))\n    TypeError: In function test, argument \"f\" required \"And[hasattr[__call__], hasattr[__enter__, __exit__]]\". \"builtin_function_or_method\" found.",
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        "license": "LGPL",
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        "name": "typechecker",
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