Simon Willison’s Weblog

6th April 2018 - Link Blog

Parsing CSV using ANTLR and Python 3. I’ve been trying to figure out how to use ANTLR grammars from Python—this is the first example I’ve found that really clicked for me.

Posted 6th April 2018 at 2:33 pm

Recent articles

Hello Python 3.15, goodbye 3.10, and now I can use 3.11 - 12th October 2026
A new feature for my blog, built using my voice - 9th October 2026
Claude Haiku 5.5 - 7th October 2026
We're going to need default hard budget caps on pretty much everything - 3rd October 2026

This is a link post by Simon Willison, posted on 6th April 2018.

antlr 2 csv 33 parsing 12 python 1,291

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe