diff options
Diffstat (limited to 'bs4/builder/_htmlparser.py')
| -rw-r--r-- | bs4/builder/_htmlparser.py | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/bs4/builder/_htmlparser.py b/bs4/builder/_htmlparser.py index 3dee51b..d5d8681 100644 --- a/bs4/builder/_htmlparser.py +++ b/bs4/builder/_htmlparser.py @@ -4,8 +4,12 @@ __all__ = [ 'HTMLParserTreeBuilder', ] -from HTMLParser import HTMLParser +from HTMLParser import ( + HTMLParser, + HTMLParseError, + ) import sys +import warnings # Starting in Python 3.2, the HTMLParser constructor takes a 'strict' # argument, which we'd like to set to False. Unfortunately, @@ -138,8 +142,12 @@ class HTMLParserTreeBuilder(HTMLTreeBuilder): args, kwargs = self.parser_args parser = BeautifulSoupHTMLParser(*args, **kwargs) parser.soup = self.soup - parser.feed(markup) - + try: + parser.feed(markup) + except HTMLParseError, e: + warnings.warn(RuntimeWarning( + "Python's built-in HTMLParser cannot parse this document. This is not a bug in Beautiful Soup. The best solution is to install an external parser (lxml or html5lib), and use Beautiful Soup with that parser. See http://www.crummy.com/software/BeautifulSoup/bs4/doc/#installing-a-parser for help.")) + raise e # Patch 3.2 versions of HTMLParser earlier than 3.2.3 to use some # 3.2.3 code. This ensures they don't treat markup like <p></p> as a |