[New-bugs-announce] [issue38573] Not Implemented Error in stdLib HTMLParser

[Yevgeny Pats]

New submission from Yevgeny Pats <yev.pats at gmail.com>:

Not implemented error in built-in HTMLParser

from html.parser import HTMLParser
parser = HTMLParser()
parser.feed(bytearray.fromhex('3c215b63612121').decode('ascii'))

# This will throw (found by https://github.com/fuzzitdev/pythonfuzz):
Traceback (most recent call last):
  File "/Users/yevgenyp/fuzzitdev/pythonfuzz/pythonfuzz/fuzzer.py", line 21, in worker
    target(buf)
  File "examples/htmlparser/fuzz.py", line 12, in fuzz
    pass
  File "/usr/local/Cellar/python/3.7.4/Frameworks/Python.framework/Versions/3.7/lib/python3.7/html/parser.py", line 111, in feed
    self.goahead(0)
  File "/usr/local/Cellar/python/3.7.4/Frameworks/Python.framework/Versions/3.7/lib/python3.7/html/parser.py", line 179, in goahead
    k = self.parse_html_declaration(i)
  File "/usr/local/Cellar/python/3.7.4/Frameworks/Python.framework/Versions/3.7/lib/python3.7/html/parser.py", line 264, in parse_html_declaration
    return self.parse_marked_section(i)
  File "/usr/local/Cellar/python/3.7.4/Frameworks/Python.framework/Versions/3.7/lib/python3.7/_markupbase.py", line 159, in parse_marked_section
    self.error('unknown status keyword %r in marked section' % rawdata[i+3:j])
  File "/usr/local/Cellar/python/3.7.4/Frameworks/Python.framework/Versions/3.7/lib/python3.7/_markupbase.py", line 34, in error
    "subclasses of ParserBase must override error()")
NotImplementedError: subclasses of ParserBase must override error()

----------
components: Library (Lib)
messages: 355287
nosy: yevgenyp
priority: normal
severity: normal
status: open
title: Not Implemented Error in stdLib HTMLParser
type: crash
versions: Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38573>
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