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Code Issues Releases Wiki Activity

Make the HTML parser more sound

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This commit is contained in:
Dan 2019-06-25 07:41:48 +02:00
parent 07bc7e39df
commit a086964e85
1 changed files with 18 additions and 1 deletions
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17
pyrogram/client/style/html.py
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@ -95,7 +95,16 @@ class Parser(HTMLParser):
self.text += data
def handle_endtag(self, tag):
try:
self.entities.append(self.tag_entities[tag].pop())
except (KeyError, IndexError):
line, offset = self.getpos()
offset += 1
raise ValueError("Unmatched closing tag </{}> at line {}:{}".format(tag, line, offset))
else:
if not self.tag_entities[tag]:
self.tag_entities.pop(tag)
def error(self, message):
pass
@ -112,6 +121,14 @@ class HTML:
parser.feed(text)
parser.close()
if parser.tag_entities:
unclosed_tags = []
for tag, entities in parser.tag_entities.items():
unclosed_tags.append("<{}> (x{})".format(tag, len(entities)))
raise ValueError("Unclosed tags: {}".format(", ".join(unclosed_tags)))
# TODO: OrderedDict to be removed in Python 3.6
return OrderedDict([
("message", utils.remove_surrogates(parser.text)),