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-rw-r--r--Lib/html/parser.py32
-rw-r--r--Lib/test/test_htmlparser.py7
2 files changed, 21 insertions, 18 deletions
diff --git a/Lib/html/parser.py b/Lib/html/parser.py
index 494cf24..f8ac828 100644
--- a/Lib/html/parser.py
+++ b/Lib/html/parser.py
@@ -500,7 +500,6 @@ class HTMLParser(_markupbase.ParserBase):
self.error("unknown declaration: %r" % (data,))
# Internal -- helper to remove special character quoting
- entitydefs = None
def unescape(self, s):
if '&' not in s:
return s
@@ -510,24 +509,23 @@ class HTMLParser(_markupbase.ParserBase):
if s[0] == "#":
s = s[1:]
if s[0] in ['x','X']:
- c = int(s[1:], 16)
+ c = int(s[1:].rstrip(';'), 16)
else:
- c = int(s)
+ c = int(s.rstrip(';'))
return chr(c)
except ValueError:
- return '&#'+ s +';'
+ return '&#' + s
else:
- # Cannot use name2codepoint directly, because HTMLParser
- # supports apos, which is not part of HTML 4
- import html.entities
- if HTMLParser.entitydefs is None:
- entitydefs = HTMLParser.entitydefs = {'apos':"'"}
- for k, v in html.entities.name2codepoint.items():
- entitydefs[k] = chr(v)
- try:
- return self.entitydefs[s]
- except KeyError:
- return '&'+s+';'
-
- return re.sub(r"&(#?[xX]?(?:[0-9a-fA-F]+|\w{1,8}));",
+ from html.entities import html5
+ if s in html5:
+ return html5[s]
+ elif s.endswith(';'):
+ return '&' + s
+ for x in range(2, len(s)):
+ if s[:x] in html5:
+ return html5[s[:x]] + s[x:]
+ else:
+ return '&' + s
+
+ return re.sub(r"&(#?[xX]?(?:[0-9a-fA-F]+;|\w{1,32};?))",
replaceEntities, s, flags=re.ASCII)
diff --git a/Lib/test/test_htmlparser.py b/Lib/test/test_htmlparser.py
index 64a4f5d..c5d878d 100644
--- a/Lib/test/test_htmlparser.py
+++ b/Lib/test/test_htmlparser.py
@@ -456,7 +456,7 @@ class HTMLParserTolerantTestCase(HTMLParserStrictTestCase):
self._run_check('<form action="/xxx.php?a=1&amp;b=2&amp", '
'method="post">', [
('starttag', 'form',
- [('action', '/xxx.php?a=1&b=2&amp'),
+ [('action', '/xxx.php?a=1&b=2&'),
(',', None), ('method', 'post')])])
def test_weird_chars_in_unquoted_attribute_values(self):
@@ -541,6 +541,11 @@ class HTMLParserTolerantTestCase(HTMLParserStrictTestCase):
self.assertEqual(p.unescape('&#0038;'),'&')
# see #12888
self.assertEqual(p.unescape('&#123; ' * 1050), '{ ' * 1050)
+ # see #15156
+ self.assertEqual(p.unescape('&Eacuteric&Eacute;ric'
+ '&alphacentauri&alpha;centauri'),
+ 'ÉricÉric&alphacentauriαcentauri')
+ self.assertEqual(p.unescape('&co;'), '&co;')
def test_broken_comments(self):
html = ('<! not really a comment >'