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Fix Issue10759 - html.parser.unescape() fails on HTML entities with incorrect syntax

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This commit is contained in:
Senthil Kumaran 2010-12-28 15:55:16 +00:00
parent 3b4499c5c7
commit 164540fee1
2 changed files with 15 additions and 7 deletions
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17
Lib/html/parser.py
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@ -434,13 +434,16 @@ class HTMLParser(_markupbase.ParserBase):
return s return s
def replaceEntities(s): def replaceEntities(s):
s = s.groups()[0] s = s.groups()[0]
if s[0] == "#": try:
s = s[1:] if s[0] == "#":
if s[0] in ['x','X']: s = s[1:]
c = int(s[1:], 16) if s[0] in ['x','X']:
else: c = int(s[1:], 16)
c = int(s) else:
return chr(c) c = int(s)
return chr(c)
except ValueError:
return '&#'+ s +';'
else: else:
# Cannot use name2codepoint directly, because HTMLParser # Cannot use name2codepoint directly, because HTMLParser
# supports apos, which is not part of HTML 4 # supports apos, which is not part of HTML 4

5
Lib/test/test_htmlparser.py
View file

@ -356,6 +356,11 @@ class HTMLParserTolerantTestCase(TestCaseBase):
[('action', 'bogus|&#()value')])], [('action', 'bogus|&#()value')])],
collector = self.collector) collector = self.collector)
def test_unescape_function(self):
p = html.parser.HTMLParser()
self.assertEqual(p.unescape('&#bad;'),'&#bad;')
self.assertEqual(p.unescape('&'),'&')
def test_main(): def test_main():
support.run_unittest(HTMLParserTestCase, HTMLParserTolerantTestCase) support.run_unittest(HTMLParserTestCase, HTMLParserTolerantTestCase)