python3-lepl 5.1.3-2.1ubuntu1 (ppc64el binary) in ubuntu focal

 A recursive descent parser for Python 2.6+ (including 3!). Lepl is powerful,
 simple to use, and easy to extend: grammars are written directly as Python
 code, using a syntax similar to BNF; new matchers can be simple functions.
 .
 This is the Python 3 version of the package.