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    "info": {
        "author": "Michael Foord",
        "author_email": "michael@voidspace.org.uk",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 5 - Production/Stable",
            "Environment :: Console",
            "Intended Audience :: Developers",
            "License :: OSI Approved :: BSD License",
            "Operating System :: OS Independent",
            "Programming Language :: Python",
            "Programming Language :: Python :: 2.5",
            "Programming Language :: Python :: 2.6",
            "Topic :: Software Development :: Libraries",
            "Topic :: Software Development :: Libraries :: Python Modules"
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        "description": "Python 2.7 & 3.1 include a ``WeakSet`` class, a collection for storing objects\r\nusing weak references \r\n(see the `Python weakref module <http://docs.python.org/library/weakref.html>`_).\r\n\r\nThis project is a backport of the weakrefset module, and tests, for Python 2.5\r\nand 2.6. The tests \r\nrequire the `unittest2 package <http://pypi.python.org/pypi/unittest2>`_. \r\n\r\n* Mercurial repository & issue tracker: http://code.google.com/p/weakrefset/\r\n\r\nYou can install it with: ``pip install weakrefset``\r\n\r\nUsage is straightforward. You don't need to deal with weak references\r\nthemselves, the WeakSet manages \r\nthe references and you can add / remove / iterate over your objects directly::\r\n\r\n    >>> from weakrefset import WeakSet\r\n    >>> class Foo(object): pass\r\n    ...\r\n    >>> f1 = Foo()\r\n    >>> f2 = Foo()\r\n    >>> refs = WeakSet([f1, f2])\r\n    >>> f3 = Foo()\r\n    >>> refs.add(f3)\r\n    >>> refs.remove(f1)\r\n    >>> del f2\r\n    >>> f3 in refs\r\n    True\r\n    >>> for f in refs:\r\n    ...  print f\r\n    ...\r\n    <__main__.Foo object at 0x40e410>\r\n\r\nTo be compatible with Python 2.5, 2.6 and future versions of Python you can\r\nimport it like this::\r\n\r\n    try:\r\n        # location in Python 2.7 and 3.1\r\n        from weakref import WeakSet\r\n    except ImportError:\r\n        # separately installed\r\n        from weakrefset import WeakSet",
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        "keywords": "weakref set collection",
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        "name": "weakrefset",
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        "summary": "A WeakSet class for storing objects using weak references.",
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