X-Git-Url: https://git.phdru.name/?a=blobdiff_plain;f=Robots%2Fparse_html_beautifulsoup.py;h=9b0faded06ab92cb951b844421555776690118ff;hb=4e86db886a2c446928438a038002b3084e7c0977;hp=130b20a7ca8f53a472526125be0390b029251c78;hpb=efa27458378a9a253f0002fd060e2f8a2ae5a25f;p=bookmarks_db.git diff --git a/Robots/parse_html_beautifulsoup.py b/Robots/parse_html_beautifulsoup.py index 130b20a..9b0fade 100644 --- a/Robots/parse_html_beautifulsoup.py +++ b/Robots/parse_html_beautifulsoup.py @@ -1,11 +1,13 @@ """ HTML Parser using BeautifulSoup - Written by BroytMann. Copyright (C) 2007 PhiloSoft Design + Written by BroytMann. Copyright (C) 2007, 2008 PhiloSoft Design """ +import re +from sgmllib import SGMLParser, SGMLParseError from HTMLParser import HTMLParser -from BeautifulSoup import BeautifulSoup +from BeautifulSoup import BeautifulSoup, CData class BSoupParser(HTMLParser): @@ -18,39 +20,79 @@ class BSoupParser(HTMLParser): self.icon = icon +# http://groups.google.com/group/beautifulsoup/browse_thread/thread/69093cb0d3a3cf63 +class BadDeclParser(BeautifulSoup): + def parse_declaration(self, i): + """Treat a bogus SGML declaration as raw data. Treat a CDATA + declaration as a CData object.""" + j = None + if self.rawdata[i:i+9] == '', i) + if k == -1: + k = len(self.rawdata) + data = self.rawdata[i+9:k] + j = k+3 + self._toStringSubclass(data, CData) + else: + try: + j = SGMLParser.parse_declaration(self, i) + except SGMLParseError: + # Could not parse the DOCTYPE declaration + # Try to just skip the actual declaration + match = re.search(r']*?)>', self.rawdata[i:], re.MULTILINE) + if match: + toHandle = self.rawdata[i:match.end()] + else: + toHandle = self.rawdata[i:] + self.handle_data(toHandle) + j = i + len(toHandle) + return j + + def parse_html(filename, charset=None): infile = open(filename, 'r') - root = BeautifulSoup(infile, fromEncoding=charset) - infile.close() + try: + root = BadDeclParser(infile, fromEncoding=charset) + except TypeError: + return None + finally: + infile.close() - _charset = root.originalEncoding try: - title = root.html.head.title.string.encode(_charset) + head = root.html.head except AttributeError: - title = '' + return None + if head is None: + head = root.html # Some sites put TITLE in HTML without HEAD + + _charset = root.originalEncoding try: - meta = root.html.head.find(_find_refresh, recursive=False) + title = head.title.string.encode(_charset) except AttributeError: - refresh = None + title = '' # HEAD but no TITLE + + if (not title) and (head is not root.html): + # Some sites put TITLE in HTML outside of HEAD + + try: + title = root.html.title.string.encode(_charset) + except AttributeError: + title = '' # no TITLE in HTML too + + meta = head.find(_find_refresh, recursive=False) + if meta: + refresh = meta.get("content") else: - if meta: - refresh = meta.get("content") - else: - refresh = None + refresh = None - try: - meta = root.html.head.find(_find_icon, recursive=False) - except AttributeError: - icon = None + meta = head.find(_find_icon, recursive=False) + if meta: + icon = meta.get("href") else: - if meta: - icon = meta.get("href") - else: - icon = None + icon = None - parser = BSoupParser(_charset, _charset == charset, title, refresh, icon) - return parser + return BSoupParser(_charset, _charset != charset, title, refresh, icon) def _find_refresh(Tag): return (Tag.name == "meta") and \