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v0.5.1
https://github.com/python/cpython
Revision 32aa1a72b256cc8c4262bc9863eef9452fc1305c authored by Guido van Rossum on 31 July 1996, 19:51:15 UTC, committed by Guido van Rossum on 31 July 1996, 19:51:15 UTC
1 parent 3823420
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Tip revision: 32aa1a72b256cc8c4262bc9863eef9452fc1305c authored by Guido van Rossum on 31 July 1996, 19:51:15 UTC
getprogramname --> Py_GetProgramName
Tip revision: 32aa1a7
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, str, offset = 0):
		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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