https://www.pistack.xyz/tags/dsl/ Recent content in Dsl on Pi Stack Hugo en-us Thu, 22 Oct 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-10-22-python-parser-libraries-lark-pyparsing-ply/ Thu, 22 Oct 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-10-22-python-parser-libraries-lark-pyparsing-ply/ <p>On 21 December 2025, David Beazley posted a short notice at the top of the PLY README: after 25 years, he was abandoning the project. No further maintenance. His suggestion for users was to copy the library into their own tree or write a parser by hand. If your codebase still imports <code>ply.yacc</code>, that notice is the most important paragraph in your dependency review this quarter.</p>