Julien Danjou • 4/1/2019

Writing Your Own Filtering DSL in Python

This technical article explains how to create a custom filtering Domain-Specific Language (DSL) in Python. It builds upon a previous post about a Filter class, addressing the need for a more user-friendly syntax than raw dictionaries. The tutorial covers defining a grammar, using pyparsing for lexical analysis, transforming parsed data, and integrating the parser with the filtering logic to convert strings like '"foobar"="123"' into executable filter structures.

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#Python #parsing #Filtering