- output = []
- for part in num_entity_re.split(title):
- if num_entity_re.match(part):
- try:
- part = unichr(int(part[2:-1])).encode(charset)
- except UnicodeEncodeError:
- pass # Leave the entity as is
- output.append(part)
-
- return ''.join(output)
-
-
-def parse_html(filename, charset=None, log=None):
- if not parsers:
- return None
-
- if charset:
- try:
- codecs.lookup(charset) # In case of unknown charset...
- except (ValueError, LookupError):
- charset = None # ...try charset from HTML
-
- charsets = [universal_charset, DEFAULT_CHARSET]
- if charset:
- charset = charset.lower().replace("windows-", "cp")
- if charset in charsets:
- charsets.remove(charset)
- charsets.insert(0, charset)
-
- for p in parsers:
- parser = None
- for c in charsets:
- try:
- parser = p(filename, c, log)
- except UnicodeEncodeError:
- pass
- else:
- break
- if parser:
- break
- else:
- if log: log("Parser %s.%s failed, trying next one." % (p.__module__, p.__name__))
-
- if not parser:
- return None
-
- converted_title = title = parser.title
- if title and (not parser.charset):
- try:
- unicode(title, "ascii")
- except UnicodeDecodeError:
- parser.charset = DEFAULT_CHARSET
-
- if parser.charset:
- parser.charset = parser.charset.lower().replace("windows-", "cp")
-
- if title and parser.charset and (
- (parser.charset <> universal_charset) or
- ((not charset) or (charset <> parser.charset))):
- try:
- if parser.meta_charset:
- if log: log(" META charset : %s" % parser.charset)
- elif (not charset) or (charset <> parser.charset):
- if log: log(" guessed charset: %s" % parser.charset)
- if log: log(" current charset: %s" % universal_charset)
- if log: log(" title : %s" % title)
- if parser.charset <> universal_charset:
- try:
- converted_title = unicode(title, parser.charset).encode(universal_charset)
- except UnicodeError:
- if log: log(" incorrect conversion from %s, converting from %s" % (parser.charset, DEFAULT_CHARSET))
- converted_title = unicode(title, DEFAULT_CHARSET, "replace").encode(universal_charset, "replace")
- parser.charset = DEFAULT_CHARSET
- if log and (converted_title <> title): log(" converted title: %s" % converted_title)
- except LookupError:
- if log: log(" unknown charset: '%s'" % parser.charset)
- else:
- if log: log(" title : %s" % title)