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    "info": {
        "author": "Martijn Faassen",
        "author_email": "faassen@startifact.com",
        "bugtrack_url": null,
        "classifiers": [
            "License :: OSI Approved :: Zope Public License",
            "Programming Language :: Python :: 2",
            "Programming Language :: Python :: 2.7",
            "Programming Language :: Python :: 3",
            "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": "ObjectPath\n**********\n\nThis package contains two things:\n\n* the ``z3c.objpath.interfaces.IObjectPath`` interface.\n\n* some helper functions to construct (relative) object paths, in\n  ``z3c.objpath.path``.\n\nThe idea is that a particular application can implement a utility that\nfulfills the ``IObjectPath`` interface, so that it is possible to\nconstruct paths to objects in a uniform way. The implementation may be\ndone with ``zope.traversing``, but in some cases you want\napplication-specific object paths. In this case, the functions in\n``z3c.objpath.path`` might be useful.\n\nWe'll have a simple item::\n\n  >>> class Item(object):\n  ...   __name__ = None\n  ...   __parent__ = None\n  ...   def __repr__(self):\n  ...     return '<Item %s>' % self.__name__\n\nLet's create a simple container-like object::\n\n  >>> class Container(Item):\n  ...   def __init__(self):\n  ...     self._d = {}\n  ...   def __setitem__(self, name, obj):\n  ...     self._d[name] = obj\n  ...     obj.__name__ = name\n  ...     obj.__parent__ = self\n  ...   def __getitem__(self, name):\n  ...     return self._d[name]\n  ...   def __repr__(self):\n  ...     return '<Container %s>' % self.__name__\n\nNow let's create a structure::\n\n  >>> root = Container()\n  >>> root.__name__ = 'root'\n  >>> data = root['data'] = Container()\n  >>> a = data['a'] = Container()\n  >>> b = data['b'] = Container()\n  >>> c = data['c'] = Item()\n  >>> d = a['d'] = Item()\n  >>> e = a['e'] = Container()\n  >>> f = e['f'] = Item()\n  >>> g = b['g'] = Item()\n\nWe will now exercise two functions, ``path`` and ``resolve``, which\nare inverses of each other::\n\n  >>> from z3c.objpath import path, resolve\n\nWe can create a path to ``a`` from ``root``::\n\n  >>> path(root, a)\n  '/root/data/a'\n\nWe can also resolve it again::\n\n  >>> resolve(root, '/root/data/a')\n  <Container a>\n\nWe can also create a path to ``a`` from ``data``::\n\n  >>> path(data, a)\n  '/data/a'\n\nAnd resolve it again::\n\n  >>> resolve(data, '/data/a')\n  <Container a>\n\nWe can make a deeper path::\n\n  >>> path(root, f)\n  '/root/data/a/e/f'\n\nAnd resolve it::\n\n  >>> resolve(root, '/root/data/a/e/f')\n  <Item f>\n\nThe path `'/'` leads to the root object::\n\n  >>> resolve(root, '/')\n  <Container root>\n\nWe get an error if we cannot construct a path::\n\n  >>> path(e, a)\n  Traceback (most recent call last):\n   ...\n  ValueError: Cannot create path for <Container a>\n\nWe also get an error if we cannot resolve a path::\n\n  >>> resolve(root, '/root/data/a/f/e')\n  Traceback (most recent call last):\n   ...\n  ValueError: Cannot resolve path /root/data/a/f/e\n\nz3c.objpath changes\n*******************\n\n1.2 (2018-06-14)\n================\n\n* Add support for Python 3.5, 3.6, PyPy and PyPy3.\n\n1.1 (2012-10-13)\n================\n\n* Add name space declaration for `z3c`.\n\n* Added a `test` extra, as test require ``zope.testing``.\n\n1.0 (2008-04-15)\n================\n\n* Initial public release.",
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