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Author berker.peksag
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Date 2018-08-23.18:12:19
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Thanks for the report.

HTMLParser.error() was supposed to raise an exception, but the BeautifulSoup project just prints a warning here:

    def error(self, msg):
        warnings.warn(msg)

https://bazaar.launchpad.net/~leonardr/beautifulsoup/bs4/view/head:/bs4/builder/_htmlparser.py#L69

As a result of this, the code doesn't stop executing in the following branch:

    else:
        self.error('unknown status keyword %r in marked section' % rawdata[i+3:j])
    if not match:
        return -1

https://github.com/python/cpython/blob/3.7/Lib/_markupbase.py#L159

Note that HTMLParser.error() was removed in Python 3.5 (https://github.com/python/cpython/commit/73a4359eb0eb624c588c5d52083ea4944f9787ea#diff-1a7486df8279dbac7f20abd487947845L171) and there is an open issue about the status of _markupbase.ParserBase.error(): Issue 31844.

I also think that https://github.com/python/cpython/commit/73a4359eb0eb624c588c5d52083ea4944f9787ea#diff-1a7486df8279dbac7f20abd487947845L171 may have caused a minor regression when it was removed the error() method and its uses from the HTMLParser class. It still calls the parse_marked_section() method of _markupbase.ParserBase() which it then calls the error() method of _markupbase.ParserBase():

    elif rawdata[i:i+3] == '<![':
        return self.parse_marked_section(i)

https://github.com/python/cpython/blob/3.7/Lib/html/parser.py#L264
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Date User Action Args
2018-08-23 18:12:19berker.peksaglinkissue34480 messages
2018-08-23 18:12:19berker.peksagcreate