Choosing a Parser for a Query DSL: Regex, ANTLR, Lark, and pyparsing
How I evaluated parsing approaches for Scryfall’s query language: why regex and ANTLR were ruled out, how Lark compares to pyparsing, and why pyparsing won.
Posts
13× the Throughput of FastAPI: Why I Use Falcon + Bjoern
·6 mins
Why Sylvan Librarian uses Falcon and Bjoern instead of the FastAPI + uvicorn default: a preference for explicit, close-to-vanilla Python over framework magic.
The Query Scryfall Can't Answer: `power+toughness>cmc+cmc`
Motivation for building Sylvan Librarian: owning the query language, and the killer feature Scryfall can’t do — arithmetic comparisons across card attributes.