summaryrefslogtreecommitdiff
path: root/Tools
diff options
context:
space:
mode:
authorAlexander Belopolsky <alexander.belopolsky@gmail.com>2010-11-30 16:56:15 +0000
committerAlexander Belopolsky <alexander.belopolsky@gmail.com>2010-11-30 16:56:15 +0000
commit827fdaae30e4ee10d86a7679d7fa1c8863235ba1 (patch)
tree30ac475d85c603e81ded978f7eb29b7630f6f26f /Tools
parentf498b754ed63c69b42240a46c0d9c9c01936360d (diff)
downloadcpython-git-827fdaae30e4ee10d86a7679d7fa1c8863235ba1.tar.gz
Issue #10552: Partially fixed a sort error in Tools/unicode/gencodec.py
Diffstat (limited to 'Tools')
-rw-r--r--Tools/unicode/gencodec.py17
1 files changed, 10 insertions, 7 deletions
diff --git a/Tools/unicode/gencodec.py b/Tools/unicode/gencodec.py
index 65fe5e5d82..7e7d6d0661 100644
--- a/Tools/unicode/gencodec.py
+++ b/Tools/unicode/gencodec.py
@@ -34,6 +34,9 @@ MAX_TABLE_SIZE = 8192
# Standard undefined Unicode code point
UNI_UNDEFINED = chr(0xFFFE)
+# Placeholder for a missing codepoint
+MISSING_CODE = -1
+
mapRE = re.compile('((?:0x[0-9a-fA-F]+\+?)+)'
'\s+'
'((?:(?:0x[0-9a-fA-Z]+|<[A-Za-z]+>)\+?)*)'
@@ -52,7 +55,7 @@ def parsecodes(codes, len=len, range=range):
"""
if not codes:
- return None
+ return MISSING_CODE
l = codes.split('+')
if len(l) == 1:
return int(l[0],16)
@@ -60,8 +63,8 @@ def parsecodes(codes, len=len, range=range):
try:
l[i] = int(l[i],16)
except ValueError:
- l[i] = None
- l = [x for x in l if x is not None]
+ l[i] = MISSING_CODE
+ l = [x for x in l if x != MISSING_CODE]
if len(l) == 1:
return l[0]
else:
@@ -113,7 +116,7 @@ def readmap(filename):
# mappings to None for the rest
if len(identity) >= len(unmapped):
for enc in unmapped:
- enc2uni[enc] = (None, "")
+ enc2uni[enc] = (MISSING_CODE, "")
enc2uni['IDENTITY'] = 256
return enc2uni
@@ -211,7 +214,7 @@ def python_tabledef_code(varname, map, comments=1, key_precision=2):
(mapkey, mapcomment) = mapkey
if isinstance(mapvalue, tuple):
(mapvalue, mapcomment) = mapvalue
- if mapkey is None:
+ if mapkey == MISSING_CODE:
continue
table[mapkey] = (mapvalue, mapcomment)
if mapkey > maxkey:
@@ -223,11 +226,11 @@ def python_tabledef_code(varname, map, comments=1, key_precision=2):
# Create table code
for key in range(maxkey + 1):
if key not in table:
- mapvalue = None
+ mapvalue = MISSING_CODE
mapcomment = 'UNDEFINED'
else:
mapvalue, mapcomment = table[key]
- if mapvalue is None:
+ if mapvalue == MISSING_CODE:
mapchar = UNI_UNDEFINED
else:
if isinstance(mapvalue, tuple):