Simon Willison’s Weblog

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1 item tagged “lexing”

2008

python4ply tutorial. python4ply is a parser for Python written in Python using the PLY toolkit, which compiles to Python bytecode using the built-in compiler module. The tutorial shows how to use it to add support for Perl-style 1_000_000 readable numbers. # 11th March 2008, 5:49 am