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authorFredrik Lundh <fredrik@pythonware.com>2000-06-29 10:34:56 (GMT)
committerFredrik Lundh <fredrik@pythonware.com>2000-06-29 10:34:56 (GMT)
commit6c68dc7b1afb8f634604435dd0fc2442c8e93e0d (patch)
treed0e81ee0097ba6051366812247fd12c1f075a273 /Lib/sre_parse.py
parent436c3d58a2570f3b599e59b4071f944f774ec441 (diff)
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- removed "alpha only" licensing restriction
- removed some hacks that worked around 1.6 alpha bugs - removed bogus test code from sre_parse
Diffstat (limited to 'Lib/sre_parse.py')
-rw-r--r--Lib/sre_parse.py59
1 files changed, 13 insertions, 46 deletions
diff --git a/Lib/sre_parse.py b/Lib/sre_parse.py
index af6c6e1..dfe7c31 100644
--- a/Lib/sre_parse.py
+++ b/Lib/sre_parse.py
@@ -6,9 +6,6 @@
#
# Copyright (c) 1998-2000 by Secret Labs AB. All rights reserved.
#
-# This code can only be used for 1.6 alpha testing. All other use
-# require explicit permission from Secret Labs AB.
-#
# Portions of this engine have been developed in cooperation with
# CNRI. Hewlett-Packard provided funding for 1.6 integration and
# other compatibility work.
@@ -20,21 +17,18 @@ import _sre
from sre_constants import *
-# FIXME: <fl> should be 65535, but the array module currently chokes
-# on unsigned integers larger than 32767 [fixed in 1.6b1?]
-MAXREPEAT = int(2L**(_sre.getcodesize()*8-1))-1
+# FIXME: should be 65535, but the arraymodule is still broken
+MAXREPEAT = 32767
SPECIAL_CHARS = ".\\[{()*+?^$|"
REPEAT_CHARS = "*+?{"
-# FIXME: <fl> string in tuple tests may explode with if char is
-# unicode [fixed in 1.6b1?]
-DIGITS = tuple(string.digits)
+DIGITS = string.digits
-OCTDIGITS = tuple("01234567")
-HEXDIGITS = tuple("0123456789abcdefABCDEF")
+OCTDIGITS = "01234567"
+HEXDIGITS = "0123456789abcdefABCDEF"
-WHITESPACE = tuple(string.whitespace)
+WHITESPACE = string.whitespace
ESCAPES = {
"\\a": (LITERAL, chr(7)),
@@ -194,13 +188,13 @@ def _class_escape(source, escape):
return code
try:
if escape[1:2] == "x":
- while source.next in HEXDIGITS:
+ while source.next and source.next in HEXDIGITS:
escape = escape + source.get()
escape = escape[2:]
# FIXME: support unicode characters!
return LITERAL, chr(int(escape[-4:], 16) & 0xff)
elif str(escape[1:2]) in OCTDIGITS:
- while source.next in OCTDIGITS:
+ while source.next and source.next in OCTDIGITS:
escape = escape + source.get()
escape = escape[1:]
# FIXME: support unicode characters!
@@ -221,7 +215,7 @@ def _escape(source, escape, state):
return code
try:
if escape[1:2] == "x":
- while source.next in HEXDIGITS:
+ while source.next and source.next in HEXDIGITS:
escape = escape + source.get()
escape = escape[2:]
# FIXME: support unicode characters!
@@ -234,7 +228,7 @@ def _escape(source, escape, state):
not _group(escape + source.next, state)):
return GROUP, group
escape = escape + source.get()
- elif source.next in OCTDIGITS:
+ elif source.next and source.next in OCTDIGITS:
escape = escape + source.get()
else:
break
@@ -297,7 +291,7 @@ def _parse(source, state, flags=0):
while 1:
- if str(source.next) in ("|", ")"):
+ if source.next in ("|", ")"):
break # end of subpattern
this = source.get()
if this is None:
@@ -378,10 +372,10 @@ def _parse(source, state, flags=0):
elif this == "{":
min, max = 0, MAXREPEAT
lo = hi = ""
- while str(source.next) in DIGITS:
+ while source.next and source.next in DIGITS:
lo = lo + source.get()
if source.match(","):
- while str(source.next) in DIGITS:
+ while source.next and source.next in DIGITS:
hi = hi + source.get()
else:
hi = lo
@@ -571,30 +565,3 @@ def expand_template(template, match):
raise error, "empty group"
a(s)
return match.string[:0].join(p)
-
-if __name__ == "__main__":
- from pprint import pprint
- from testpatterns import PATTERNS
- a = b = c = 0
- for pattern, flags in PATTERNS:
- if flags:
- continue
- print "-"*68
- try:
- p = parse(pattern)
- print repr(pattern), "->"
- pprint(p.data)
- import sre_compile
- try:
- code = sre_compile.compile(p)
- c = c + 1
- except:
- pass
- a = a + 1
- except error, v:
- print "**", repr(pattern), v
- b = b + 1
- print "-"*68
- print a, "of", b, "patterns successfully parsed"
- print c, "of", b, "patterns successfully compiled"
-