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fixed #449964: sre.sub raises an exception if the template contains a

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\g<x> group reference followed by a character escape

(also restructured a few things on the way to fixing #449000)
This commit is contained in:
Fredrik Lundh 2001-09-18 20:55:24 +00:00
parent ab3b0343b8
commit 59b68656f8
4 changed files with 30 additions and 21 deletions
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8
Lib/sre_parse.py
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@ -647,9 +647,9 @@ def literal(literal, p=p):
p.append((LITERAL, literal))
sep = source[:0]
if type(sep) is type(""):
char = chr
makechar = chr
else:
char = unichr
makechar = unichr
while 1:
this = s.get()
if this is None:
@ -693,14 +693,14 @@ def literal(literal, p=p):
break
if not code:
this = this[1:]
code = LITERAL, char(atoi(this[-6:], 8) & 0xff)
code = LITERAL, makechar(atoi(this[-6:], 8) & 0xff)
if code[0] is LITERAL:
literal(code[1])
else:
a(code)
else:
try:
this = char(ESCAPES[this][1])
this = makechar(ESCAPES[this][1])
except KeyError:
pass
literal(this)