.. image:: https://raw.githubusercontent.com/harens/checkdigit/master/art/logo.png
:alt: checkdigit logo
:target: https://github.com/harens/checkdigit
:align: center
|
.. image:: https://img.shields.io/github/actions/workflow/status/harens/checkdigit/test.yml?logo=github&style=flat-square
:alt: GitHub Tests status
:target: https://github.com/harens/checkdigit/actions
.. image:: https://img.shields.io/codecov/c/github/harens/checkdigit?logo=codecov&style=flat-square
:alt: Codecov
:target: https://app.codecov.io/gh/harens/checkdigit
.. image:: https://img.shields.io/pypi/dm/checkdigit?logo=python&logoColor=white&style=flat-square
:alt: PyPi - Downloads
:target: https://pepy.tech/project/checkdigit
.. image:: https://img.shields.io/codefactor/grade/github/harens/checkdigit?logo=codefactor&style=flat-square
:alt: CodeFactor Grade
:target: https://www.codefactor.io/repository/github/harens/checkdigit/
=========
.. image:: https://repology.org/badge/vertical-allrepos/python:checkdigit.svg
:alt: checkdigit repology
:target: https://repology.org/project/python:checkdigit/versions
:align: right
**checkdigit** is a pure Python library built for identification numbers.
You want to validate a credit card number, or maybe even calculate a missing digit on an ISBN code?
We've got you covered 😎.
Want to know more? Check out the `API Reference and documentation <https://checkdigit.readthedocs.io/en/latest/reference.html>`_!
Installation
------------
`MacPorts <https://ports.macports.org/port/py-checkdigit/summary>`_ 🍎
*************************************************************************
.. code-block::
sudo port install py-checkdigit
`PyPi <https://pypi.org/project/checkdigit/>`_ 🐍
**************************************************
.. code-block::
pip install checkdigit
✨ Features
------------
* 📦 Works out of the box with all `supported Python versions <https://endoflife.date/python>`_ (3.7-3.11).
* ⌨️ `PEP 561 compatible <https://www.python.org/dev/peps/pep-0561>`_, with built in support for type checking.
* 🏃 Zero runtime dependencies. What you see is what you get.
* 🧮 Capable of calculating missing digits or validating a block of data.
* 📝 Extensive in-code comments and docstrings to explain how it works behind the scenes.
✅ Supported Formats
---------------------
* `Even/Odd binary parity <https://checkdigit.readthedocs.io/en/latest/_autosummary/checkdigit.parity.html#module-checkdigit.parity>`_
* `CRC <https://checkdigit.readthedocs.io/en/latest/_autosummary/checkdigit.crc.html#module-checkdigit.crc>`_
* `GS1 Standards <https://checkdigit.readthedocs.io/en/latest/_autosummary/checkdigit.gs1.html#module-checkdigit.gs1>`_
* EAN-8/13
* GDTI
* GLN
* SSCC
* UPC-A/E
* etc. *(all fixed length numeric GS1 data structures with a check digit)*
* `ISBN-10/13 <https://checkdigit.readthedocs.io/en/latest/_autosummary/checkdigit.isbn.html#module-checkdigit.isbn>`_
* `Luhn <https://checkdigit.readthedocs.io/en/latest/_autosummary/checkdigit.luhn.html#module-checkdigit.luhn>`_
* `Verhoeff <https://checkdigit.readthedocs.io/en/latest/_autosummary/checkdigit.verhoeff.html#module-checkdigit.verhoeff>`_
For each of these formats, we provide functions to validate them and calculate missing digits.
Do you have any formats that you'd like to see supported? 🤔 Feel free to raise an issue,
or even to send a pull request!
🔨 Contributing
---------------
- Contributing Page: `<https://checkdigit.rtfd.io/en/latest/contributing.html>`_
- Issue Tracker: `<https://github.com/harens/checkdigit/issues>`_
- Source Code: `<https://github.com/harens/checkdigit>`_
Any change, big or small, that you think can help improve this project is more than welcome 🎉.
As well as this, feel free to open an issue with any new suggestions or bug reports. Every contribution is appreciated.
To find out more, please read our `contributing page <https://checkdigit.readthedocs.io/en/latest/contributing.html>`_. Thank you!
📙 License
-----------
This project is licensed under `GPL-3.0-or-later <https://github.com/harens/checkdigit/blob/master/LICENSE>`_.
Raw data
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