As with many repositories I have uploded recently, this one was also written couple years ago. It is a complete LR(1) Parser, and Regular Expression generator (inspiration was taken from this excellent article by Russ Cox). In fact the parser for the regex generator was the LR(1) parser!
test_regex.py contains an example of the regex generator at work:
import clrp
regex = clrp.RegularExpression(r"[0-9]+")
print(regex.check("868993458990966743234"))and test_clrp.py contains an example of the LR(1) parser generator at work.
Similar to yacc, the parser generator generates a standalone parser file (using the CLR1Parser.codegen method) for your grammar (it comes hardcoded with the entire parsing table). You can then import it and use it as you would a normal parser.