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        "description": "# PEZ - Python P(r)e-(Seriali)z(ation)\n\nA python library for serializing python objects from their internal\nrepresentation to something that can be displayed externally. e.g. This will\ntransform a python object into a dictionary.\n\nThis can include mapping field names, transforming, and selectively displaying\ndata.\n\n[![Build Status](https://secure.travis-ci.org/balanced/pez.png?branch=master)](http://travis-ci.org/balanced/pez)\n\n## Installation\n\n    pip install pez\n\n## Example\n\n    import pez\n    import json\n\n    # Your internal object e.g. a model\n    class Internal(object):\n        field1 = 123\n\n        field2 = 1\n        field3 = 2\n\n    # How you want to expose the model to the world\n    class InternalView(pez.FieldMapping):\n        # pez.Field echos the object as it is.\n        field1 = pez.Field()\n\n        # A static method such as this can allow you to customize the data\n        # returned.\n        @staticmethod\n        def calculated_field(ctx, o):\n            return o.field2 + o.field3\n\n\n    # create an instance of the serialize and map views to models via the\n    # register method\n    pre_serialize = pez.Serializer()\n    pre_serialize.register(Internal, InternalView())\n\n    # calling our serializer with an instance of a class will return a\n    # serializable object (e.g. a dictionary)\n    pre_serialize(Internal())\n\n\nSee `./examples/` for more examples including how to use with an ORM, how to\nuse with Flask, and other more advanced use cases.\n\n\n## Why\n\nPEZ allows you to separate the internal representation of data from your\nexternal view. This is handy for all sorts of scenarios:\n\n* Renaming internal fields without breaking external interfaces\n* Hiding or transforming internal data when exposing it\n* Adding information to views that doesn't belong in your data models, e.g. URL information\n\n## Contributing\n\n1. Fork it\n2. Create your feature branch (`git checkout -b my-new-feature`)\n3. Write your code **and unit tests**\n4. Ensure all tests still pass (`nosetests`)\n5. [PEP8](http://pypi.python.org/pypi/pep8) your code\n6. Commit your changes (`git commit -am 'Add some feature'`)\n7. Push to the branch (`git push origin my-new-feature`)\n8. Create new pull request",
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