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v0.5.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision d9193c67d66c63e329d01cea009bace2ae67480e authored by cvs2svn on 15 February 1994, 16:04:53 UTC, committed by cvs2svn on 15 February 1994, 16:04:53 UTC 
This commit was manufactured by cvs2svn to create tag 'release101'.
1 parent 094183e
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Tip revision: d9193c67d66c63e329d01cea009bace2ae67480e authored by cvs2svn on 15 February 1994, 16:04:53 UTC
This commit was manufactured by cvs2svn to create tag 'release101'.
Tip revision: d9193c6
regexp.py 
# Provide backward compatibility for module "regexp" using "regex".

import regex
from regex_syntax import *

class Prog:
	def __init__(self, pat):
		save_syntax = regex.set_syntax(RE_SYNTAX_AWK)
		try:
			self.prog = regex.compile(pat)
		finally:
			xxx = regex.set_syntax(save_syntax)
	def match(self, *args):
		if len(args) == 2:
			str, offset = args
		elif len(args) == 1:
			str, offset = args[0], 0
		else:
			raise TypeError, 'wrong argument count'
		if self.prog.search(str, offset) < 0:
			return ()
		regs = self.prog.regs
		i = len(regs)
		while i > 0 and regs[i-1] == (-1, -1):
			i = i-1
		return regs[:i]

def compile(pat):
	return Prog(pat)

cache_pat = None
cache_prog = None

def match(pat, str):
	global cache_pat, cache_prog
	if pat <> cache_pat:
		cache_pat, cache_prog = pat, compile(pat)
	return cache_prog.match(str)
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