软件包：python3-ply（3.11-7）

Lex and Yacc implementation for Python3

PLY is yet another implementation of lex and yacc for Python. Although several other parsing tools are available for Python, there are several reasons why you might want to take a look at PLY:

 * It's implemented entirely in Python.
 * It uses  LR-parsing which is reasonably efficient  and well suited
   for larger grammars.
 * PLY  provides most  of  the standard  lex/yacc features  including
   support for  empty productions, precedence  rules, error recovery,
   and support for ambiguous grammars.
 * PLY is  extremely easy  to use and  provides very  extensive error
   checking.

This package contains the Python 3 module.

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