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https://github.com/pyeve/cerberus

Lightweight, extensible data validation library for Python
https://github.com/pyeve/cerberus

data-validation python

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Lightweight, extensible data validation library for Python

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README 

        
Cerberus |latest-version|

=========================

|python-support| |black|



Cerberus is a lightweight and extensible data validation library for Python.



.. code-block:: python



    >>> v = Validator({'name': {'type': 'string'}})

    >>> v.validate({'name': 'john doe'})

    True



Features

--------



Cerberus provides type checking and other base functionality out of the box and

is designed to be non-blocking and easily and widely extensible, allowing for

custom validation. It has no dependencies, but has the potential to become

yours.



Versioning & Interpreter support

--------------------------------



Starting with Cerberus 1.2, it is maintained according to

`semantic versioning`_. So, a major release sheds off the old and defines a

space for the new, minor releases ship further new features and improvements

(you know the drill, new bugs are inevitable too), and micro releases polish a

definite amount of features to glory.



We intend to test Cerberus against all CPython interpreters at least until half

a year after their `end of life`_ and against the most recent PyPy interpreter

as a requirement for a release. If you still need to use it with a potential

security hole in your setup, it should most probably work with the latest

minor version branch from the time when the interpreter was still tested.

Subsequent minor versions have good chances as well. In any case, you are

advised to run the contributed test suite on your target system.



Funding

-------



Cerberus is an open source, collaboratively funded project. If you run a

business and are using Cerberus in a revenue-generating product, it would

make business sense to sponsor its development: it ensures the project that

your product relies on stays healthy and actively maintained. Individual users

are also welcome to make a recurring pledge or a one time donation if Cerberus

has helped you in your work or personal projects.



Every single sign-up makes a significant impact towards making Eve possible. To

learn more, check out our `funding page`_.



Documentation

-------------



Complete documentation is available at http://docs.python-cerberus.org



Installation

------------



Cerberus is on PyPI_, so all you need to do is:



.. code-block:: console



    $ pip install cerberus



Testing

-------



Just run:



.. code-block:: console



    $ python setup.py test



Or you can use tox to run the tests under all supported Python versions. Make

sure the required python versions are installed and run:



.. code-block:: console



    $ pip install tox  # first time only

    $ tox



Contributing

------------



Please see the `Contribution Guidelines`_.



Copyright

---------



Cerberus is an open source project by `Nicola Iarocci`_. See the license_ file

for more information.



.. _Contribution Guidelines: https://github.com/pyeve/cerberus/blob/1.3.x/CONTRIBUTING.rst

.. _end of life: https://devguide.python.org/#status-of-python-branches

.. _funding page: http://docs.python-cerberus.org/en/latest/funding.html

.. _license: https://github.com/pyeve/cerberus/blob/1.3.x/LICENSE

.. _Nicola Iarocci: https://nicolaiarocci.com/

.. _PyPI: https://pypi.python.org/

.. _semantic versioning: https://semver.org/



.. |black| image:: https://img.shields.io/badge/code%20style-black-000000.svg

   :alt: Black code style

   :target: https://black.readthedocs.io/

.. |latest-version| image:: https://img.shields.io/pypi/v/cerberus.svg

   :alt: Latest version on PyPI

   :target: https://pypi.org/project/cerberus

.. |license| image:: https://img.shields.io/pypi/l/cerberus.svg

   :alt: Software license

   :target: https://github.com/pyeve/cerberus/blob/1.3.x/LICENSE

.. |python-support| image:: https://img.shields.io/pypi/pyversions/cerberus.svg

   :target: https://pypi.python.org/pypi/cerberus

   :alt: Python versions