pydantic
========

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Data validation and settings management using Python type hinting.

Fast and extensible, *pydantic* plays nicely with your linters/IDE/brain.
Define how data should be in pure, canonical Python 3.6+; validate it with *pydantic*.


Help
----

See `documentation`_ for more details.


Installation
------------

Install using ``pip install -U pydantic`` or ``conda install pydantic -c conda-forge``.
For more installation options to make *pydantic* even faster, see `Install`_ section in the documentation.


A Simple Example
----------------

.. code-block:: python

    from datetime import datetime
    from typing import List
    from pydantic import BaseModel

    class User(BaseModel):
        id: int
        name = 'John Doe'
        signup_ts: datetime = None
        friends: List[int] = []

    external_data = {'id': '123', 'signup_ts': '2017-06-01 12:22', 'friends': [1, '2', b'3']}
    user = User(**external_data)
    print(user)
    # > User id=123 name='John Doe' signup_ts=datetime.datetime(2017, 6, 1, 12, 22) friends=[1, 2, 3]
    print(user.id)
    # > 123


Contributing
------------

For guidance on setting up a development environment and how to make a
contribution to *pydantic*, see the `Contributing to Pydantic`_.


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.. _documentation: https://pydantic-docs.helpmanual.io/
.. _Install: https://pydantic-docs.helpmanual.io/#install
.. _Contributing to Pydantic: https://pydantic-docs.helpmanual.io/#contributing-to-pydantic