mirror of
https://github.com/python/cpython.git
synced 2025-11-04 03:44:55 +00:00
37 lines
796 B
Python
37 lines
796 B
Python
# 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)
|
|
return self
|
|
def match(self, args):
|
|
if type(args) == type(()):
|
|
str, offset = args
|
|
else:
|
|
str, offset = args, 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().init(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)
|