Pattern Matching. A cleaner way to check and unpack data structures in Python.

github.com/gvanrossum/patma

Problem

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Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

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Updates

June 2022

Fix typos in tutorial_basics.md. (#180) Jun 2

November 2021

[binder] Fix typo in widgets list (#179) Nov 8

March 2021

PEP 636: Replace assignment expression with as-pattern (#172) Mar 9

February 2021

Fix small typo in README.md (#170) Feb 15
Update README.md to new PEPs Feb 15
Fix typo in README.md (#169) Feb 15

November 2020

Fix typo in README.md (#164) Nov 2

October 2020

[binder] Fix typo in widgets list Oct 21
Fix tutorial to use 'as' instead of ':=' Oct 21
Add JSON pets example Oct 10

September 2020

Mention that True/False/None use 'is', not '==' Sep 17
Fix typo in tutorial_basics (#152) Sep 13

August 2020

Create tutorial_basics.md Aug 26

July 2020

Move fields/posargs checks to __init__ Jul 12
Don't support __match__, and support __match_args__ right Jul 12
Change ValuePattern to pure equivalence checks Jul 12
Get rid of AnnotatedPattern Jul 12
Rename InstancePattern to ClassPattern Jul 10
Use TypeError instead of our own exceptions Jul 10
Fix comments and test names, add WildcardPattern Jul 10