':
+ depth = 0
+ for piece in pieces[:-1]:
+ if piece.startswith(''):
+ depth -= 1
+ if depth == 0:
+ break
+ elif piece.startswith('<') and not piece.endswith('/>'):
+ depth += 1
+ else:
+ pieces = pieces[1:-1]
+
+ # Ensure each piece is a str for Python 3
+ for (i, v) in enumerate(pieces):
+ if not isinstance(v, unicode):
+ pieces[i] = v.decode('utf-8')
+
+ output = u''.join(pieces)
+ if stripWhitespace:
+ output = output.strip()
+ if not expectingText:
+ return output
+
+ # decode base64 content
+ if base64 and self.contentparams.get('base64', 0):
+ try:
+ output = _base64decode(output)
+ except binascii.Error:
+ pass
+ except binascii.Incomplete:
+ pass
+ except TypeError:
+ # In Python 3, base64 takes and outputs bytes, not str
+ # This may not be the most correct way to accomplish this
+ output = _base64decode(output.encode('utf-8')).decode('utf-8')
+
+ # resolve relative URIs
+ if (element in self.can_be_relative_uri) and output:
+ output = self.resolveURI(output)
+
+ # decode entities within embedded markup
+ if not self.contentparams.get('base64', 0):
+ output = self.decodeEntities(element, output)
+
+ # some feed formats require consumers to guess
+ # whether the content is html or plain text
+ if not self.version.startswith(u'atom') and self.contentparams.get('type') == u'text/plain':
+ if self.lookslikehtml(output):
+ self.contentparams['type'] = u'text/html'
+
+ # remove temporary cruft from contentparams
+ try:
+ del self.contentparams['mode']
+ except KeyError:
+ pass
+ try:
+ del self.contentparams['base64']
+ except KeyError:
+ pass
+
+ is_htmlish = self.mapContentType(self.contentparams.get('type', u'text/html')) in self.html_types
+ # resolve relative URIs within embedded markup
+ if is_htmlish and RESOLVE_RELATIVE_URIS:
+ if element in self.can_contain_relative_uris:
+ output = _resolveRelativeURIs(output, self.baseuri, self.encoding, self.contentparams.get('type', u'text/html'))
+
+ # parse microformats
+ # (must do this before sanitizing because some microformats
+ # rely on elements that we sanitize)
+ if PARSE_MICROFORMATS and is_htmlish and element in ['content', 'description', 'summary']:
+ mfresults = _parseMicroformats(output, self.baseuri, self.encoding)
+ if mfresults:
+ for tag in mfresults.get('tags', []):
+ self._addTag(tag['term'], tag['scheme'], tag['label'])
+ for enclosure in mfresults.get('enclosures', []):
+ self._start_enclosure(enclosure)
+ for xfn in mfresults.get('xfn', []):
+ self._addXFN(xfn['relationships'], xfn['href'], xfn['name'])
+ vcard = mfresults.get('vcard')
+ if vcard:
+ self._getContext()['vcard'] = vcard
+
+ # sanitize embedded markup
+ if is_htmlish and SANITIZE_HTML:
+ if element in self.can_contain_dangerous_markup:
+ output = _sanitizeHTML(output, self.encoding, self.contentparams.get('type', u'text/html'))
+
+ if self.encoding and not isinstance(output, unicode):
+ output = output.decode(self.encoding, 'ignore')
+
+ # address common error where people take data that is already
+ # utf-8, presume that it is iso-8859-1, and re-encode it.
+ if self.encoding in (u'utf-8', u'utf-8_INVALID_PYTHON_3') and isinstance(output, unicode):
+ try:
+ output = output.encode('iso-8859-1').decode('utf-8')
+ except (UnicodeEncodeError, UnicodeDecodeError):
+ pass
+
+ # map win-1252 extensions to the proper code points
+ if isinstance(output, unicode):
+ output = output.translate(_cp1252)
+
+ # categories/tags/keywords/whatever are handled in _end_category
+ if element == 'category':
+ return output
+
+ if element == 'title' and -1 < self.title_depth <= self.depth:
+ return output
+
+ # store output in appropriate place(s)
+ if self.inentry and not self.insource:
+ if element == 'content':
+ self.entries[-1].setdefault(element, [])
+ contentparams = copy.deepcopy(self.contentparams)
+ contentparams['value'] = output
+ self.entries[-1][element].append(contentparams)
+ elif element == 'link':
+ if not self.inimage:
+ # query variables in urls in link elements are improperly
+ # converted from `?a=1&b=2` to `?a=1&b;=2` as if they're
+ # unhandled character references. fix this special case.
+ output = re.sub("&([A-Za-z0-9_]+);", "&\g<1>", output)
+ self.entries[-1][element] = output
+ if output:
+ self.entries[-1]['links'][-1]['href'] = output
+ else:
+ if element == 'description':
+ element = 'summary'
+ old_value_depth = self.property_depth_map.setdefault(self.entries[-1], {}).get(element)
+ if old_value_depth is None or self.depth <= old_value_depth:
+ self.property_depth_map[self.entries[-1]][element] = self.depth
+ self.entries[-1][element] = output
+ if self.incontent:
+ contentparams = copy.deepcopy(self.contentparams)
+ contentparams['value'] = output
+ self.entries[-1][element + '_detail'] = contentparams
+ elif (self.infeed or self.insource):# and (not self.intextinput) and (not self.inimage):
+ context = self._getContext()
+ if element == 'description':
+ element = 'subtitle'
+ context[element] = output
+ if element == 'link':
+ # fix query variables; see above for the explanation
+ output = re.sub("&([A-Za-z0-9_]+);", "&\g<1>", output)
+ context[element] = output
+ context['links'][-1]['href'] = output
+ elif self.incontent:
+ contentparams = copy.deepcopy(self.contentparams)
+ contentparams['value'] = output
+ context[element + '_detail'] = contentparams
+ return output
+
+ def pushContent(self, tag, attrsD, defaultContentType, expectingText):
+ self.incontent += 1
+ if self.lang:
+ self.lang=self.lang.replace('_','-')
+ self.contentparams = FeedParserDict({
+ 'type': self.mapContentType(attrsD.get('type', defaultContentType)),
+ 'language': self.lang,
+ 'base': self.baseuri})
+ self.contentparams['base64'] = self._isBase64(attrsD, self.contentparams)
+ self.push(tag, expectingText)
+
+ def popContent(self, tag):
+ value = self.pop(tag)
+ self.incontent -= 1
+ self.contentparams.clear()
+ return value
+
+ # a number of elements in a number of RSS variants are nominally plain
+ # text, but this is routinely ignored. This is an attempt to detect
+ # the most common cases. As false positives often result in silent
+ # data loss, this function errs on the conservative side.
+ @staticmethod
+ def lookslikehtml(s):
+ # must have a close tag or an entity reference to qualify
+ if not (re.search(r'(\w+)>',s) or re.search("?\w+;",s)):
+ return
+
+ # all tags must be in a restricted subset of valid HTML tags
+ if filter(lambda t: t.lower() not in _HTMLSanitizer.acceptable_elements,
+ re.findall(r'?(\w+)',s)):
+ return
+
+ # all entities must have been defined as valid HTML entities
+ if filter(lambda e: e not in entitydefs.keys(), re.findall(r'&(\w+);', s)):
+ return
+
+ return 1
+
+ def _mapToStandardPrefix(self, name):
+ colonpos = name.find(':')
+ if colonpos <> -1:
+ prefix = name[:colonpos]
+ suffix = name[colonpos+1:]
+ prefix = self.namespacemap.get(prefix, prefix)
+ name = prefix + ':' + suffix
+ return name
+
+ def _getAttribute(self, attrsD, name):
+ return attrsD.get(self._mapToStandardPrefix(name))
+
+ def _isBase64(self, attrsD, contentparams):
+ if attrsD.get('mode', '') == 'base64':
+ return 1
+ if self.contentparams['type'].startswith(u'text/'):
+ return 0
+ if self.contentparams['type'].endswith(u'+xml'):
+ return 0
+ if self.contentparams['type'].endswith(u'/xml'):
+ return 0
+ return 1
+
+ def _itsAnHrefDamnIt(self, attrsD):
+ href = attrsD.get('url', attrsD.get('uri', attrsD.get('href', None)))
+ if href:
+ try:
+ del attrsD['url']
+ except KeyError:
+ pass
+ try:
+ del attrsD['uri']
+ except KeyError:
+ pass
+ attrsD['href'] = href
+ return attrsD
+
+ def _save(self, key, value, overwrite=False):
+ context = self._getContext()
+ if overwrite:
+ context[key] = value
+ else:
+ context.setdefault(key, value)
+
+ def _start_rss(self, attrsD):
+ versionmap = {'0.91': u'rss091u',
+ '0.92': u'rss092',
+ '0.93': u'rss093',
+ '0.94': u'rss094'}
+ #If we're here then this is an RSS feed.
+ #If we don't have a version or have a version that starts with something
+ #other than RSS then there's been a mistake. Correct it.
+ if not self.version or not self.version.startswith(u'rss'):
+ attr_version = attrsD.get('version', '')
+ version = versionmap.get(attr_version)
+ if version:
+ self.version = version
+ elif attr_version.startswith('2.'):
+ self.version = u'rss20'
+ else:
+ self.version = u'rss'
+
+ def _start_channel(self, attrsD):
+ self.infeed = 1
+ self._cdf_common(attrsD)
+
+ def _cdf_common(self, attrsD):
+ if 'lastmod' in attrsD:
+ self._start_modified({})
+ self.elementstack[-1][-1] = attrsD['lastmod']
+ self._end_modified()
+ if 'href' in attrsD:
+ self._start_link({})
+ self.elementstack[-1][-1] = attrsD['href']
+ self._end_link()
+
+ def _start_feed(self, attrsD):
+ self.infeed = 1
+ versionmap = {'0.1': u'atom01',
+ '0.2': u'atom02',
+ '0.3': u'atom03'}
+ if not self.version:
+ attr_version = attrsD.get('version')
+ version = versionmap.get(attr_version)
+ if version:
+ self.version = version
+ else:
+ self.version = u'atom'
+
+ def _end_channel(self):
+ self.infeed = 0
+ _end_feed = _end_channel
+
+ def _start_image(self, attrsD):
+ context = self._getContext()
+ if not self.inentry:
+ context.setdefault('image', FeedParserDict())
+ self.inimage = 1
+ self.title_depth = -1
+ self.push('image', 0)
+
+ def _end_image(self):
+ self.pop('image')
+ self.inimage = 0
+
+ def _start_textinput(self, attrsD):
+ context = self._getContext()
+ context.setdefault('textinput', FeedParserDict())
+ self.intextinput = 1
+ self.title_depth = -1
+ self.push('textinput', 0)
+ _start_textInput = _start_textinput
+
+ def _end_textinput(self):
+ self.pop('textinput')
+ self.intextinput = 0
+ _end_textInput = _end_textinput
+
+ def _start_author(self, attrsD):
+ self.inauthor = 1
+ self.push('author', 1)
+ # Append a new FeedParserDict when expecting an author
+ context = self._getContext()
+ context.setdefault('authors', [])
+ context['authors'].append(FeedParserDict())
+ _start_managingeditor = _start_author
+ _start_dc_author = _start_author
+ _start_dc_creator = _start_author
+ _start_itunes_author = _start_author
+
+ def _end_author(self):
+ self.pop('author')
+ self.inauthor = 0
+ self._sync_author_detail()
+ _end_managingeditor = _end_author
+ _end_dc_author = _end_author
+ _end_dc_creator = _end_author
+ _end_itunes_author = _end_author
+
+ def _start_itunes_owner(self, attrsD):
+ self.inpublisher = 1
+ self.push('publisher', 0)
+
+ def _end_itunes_owner(self):
+ self.pop('publisher')
+ self.inpublisher = 0
+ self._sync_author_detail('publisher')
+
+ def _start_contributor(self, attrsD):
+ self.incontributor = 1
+ context = self._getContext()
+ context.setdefault('contributors', [])
+ context['contributors'].append(FeedParserDict())
+ self.push('contributor', 0)
+
+ def _end_contributor(self):
+ self.pop('contributor')
+ self.incontributor = 0
+
+ def _start_dc_contributor(self, attrsD):
+ self.incontributor = 1
+ context = self._getContext()
+ context.setdefault('contributors', [])
+ context['contributors'].append(FeedParserDict())
+ self.push('name', 0)
+
+ def _end_dc_contributor(self):
+ self._end_name()
+ self.incontributor = 0
+
+ def _start_name(self, attrsD):
+ self.push('name', 0)
+ _start_itunes_name = _start_name
+
+ def _end_name(self):
+ value = self.pop('name')
+ if self.inpublisher:
+ self._save_author('name', value, 'publisher')
+ elif self.inauthor:
+ self._save_author('name', value)
+ elif self.incontributor:
+ self._save_contributor('name', value)
+ elif self.intextinput:
+ context = self._getContext()
+ context['name'] = value
+ _end_itunes_name = _end_name
+
+ def _start_width(self, attrsD):
+ self.push('width', 0)
+
+ def _end_width(self):
+ value = self.pop('width')
+ try:
+ value = int(value)
+ except ValueError:
+ value = 0
+ if self.inimage:
+ context = self._getContext()
+ context['width'] = value
+
+ def _start_height(self, attrsD):
+ self.push('height', 0)
+
+ def _end_height(self):
+ value = self.pop('height')
+ try:
+ value = int(value)
+ except ValueError:
+ value = 0
+ if self.inimage:
+ context = self._getContext()
+ context['height'] = value
+
+ def _start_url(self, attrsD):
+ self.push('href', 1)
+ _start_homepage = _start_url
+ _start_uri = _start_url
+
+ def _end_url(self):
+ value = self.pop('href')
+ if self.inauthor:
+ self._save_author('href', value)
+ elif self.incontributor:
+ self._save_contributor('href', value)
+ _end_homepage = _end_url
+ _end_uri = _end_url
+
+ def _start_email(self, attrsD):
+ self.push('email', 0)
+ _start_itunes_email = _start_email
+
+ def _end_email(self):
+ value = self.pop('email')
+ if self.inpublisher:
+ self._save_author('email', value, 'publisher')
+ elif self.inauthor:
+ self._save_author('email', value)
+ elif self.incontributor:
+ self._save_contributor('email', value)
+ _end_itunes_email = _end_email
+
+ def _getContext(self):
+ if self.insource:
+ context = self.sourcedata
+ elif self.inimage and 'image' in self.feeddata:
+ context = self.feeddata['image']
+ elif self.intextinput:
+ context = self.feeddata['textinput']
+ elif self.inentry:
+ context = self.entries[-1]
+ else:
+ context = self.feeddata
+ return context
+
+ def _save_author(self, key, value, prefix='author'):
+ context = self._getContext()
+ context.setdefault(prefix + '_detail', FeedParserDict())
+ context[prefix + '_detail'][key] = value
+ self._sync_author_detail()
+ context.setdefault('authors', [FeedParserDict()])
+ context['authors'][-1][key] = value
+
+ def _save_contributor(self, key, value):
+ context = self._getContext()
+ context.setdefault('contributors', [FeedParserDict()])
+ context['contributors'][-1][key] = value
+
+ def _sync_author_detail(self, key='author'):
+ context = self._getContext()
+ detail = context.get('%s_detail' % key)
+ if detail:
+ name = detail.get('name')
+ email = detail.get('email')
+ if name and email:
+ context[key] = u'%s (%s)' % (name, email)
+ elif name:
+ context[key] = name
+ elif email:
+ context[key] = email
+ else:
+ author, email = context.get(key), None
+ if not author:
+ return
+ emailmatch = re.search(ur'''(([a-zA-Z0-9\_\-\.\+]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?))(\?subject=\S+)?''', author)
+ if emailmatch:
+ email = emailmatch.group(0)
+ # probably a better way to do the following, but it passes all the tests
+ author = author.replace(email, u'')
+ author = author.replace(u'()', u'')
+ author = author.replace(u'<>', u'')
+ author = author.replace(u'<>', u'')
+ author = author.strip()
+ if author and (author[0] == u'('):
+ author = author[1:]
+ if author and (author[-1] == u')'):
+ author = author[:-1]
+ author = author.strip()
+ if author or email:
+ context.setdefault('%s_detail' % key, FeedParserDict())
+ if author:
+ context['%s_detail' % key]['name'] = author
+ if email:
+ context['%s_detail' % key]['email'] = email
+
+ def _start_subtitle(self, attrsD):
+ self.pushContent('subtitle', attrsD, u'text/plain', 1)
+ _start_tagline = _start_subtitle
+ _start_itunes_subtitle = _start_subtitle
+
+ def _end_subtitle(self):
+ self.popContent('subtitle')
+ _end_tagline = _end_subtitle
+ _end_itunes_subtitle = _end_subtitle
+
+ def _start_rights(self, attrsD):
+ self.pushContent('rights', attrsD, u'text/plain', 1)
+ _start_dc_rights = _start_rights
+ _start_copyright = _start_rights
+
+ def _end_rights(self):
+ self.popContent('rights')
+ _end_dc_rights = _end_rights
+ _end_copyright = _end_rights
+
+ def _start_item(self, attrsD):
+ self.entries.append(FeedParserDict())
+ self.push('item', 0)
+ self.inentry = 1
+ self.guidislink = 0
+ self.title_depth = -1
+ id = self._getAttribute(attrsD, 'rdf:about')
+ if id:
+ context = self._getContext()
+ context['id'] = id
+ self._cdf_common(attrsD)
+ _start_entry = _start_item
+
+ def _end_item(self):
+ self.pop('item')
+ self.inentry = 0
+ _end_entry = _end_item
+
+ def _start_dc_language(self, attrsD):
+ self.push('language', 1)
+ _start_language = _start_dc_language
+
+ def _end_dc_language(self):
+ self.lang = self.pop('language')
+ _end_language = _end_dc_language
+
+ def _start_dc_publisher(self, attrsD):
+ self.push('publisher', 1)
+ _start_webmaster = _start_dc_publisher
+
+ def _end_dc_publisher(self):
+ self.pop('publisher')
+ self._sync_author_detail('publisher')
+ _end_webmaster = _end_dc_publisher
+
+ def _start_published(self, attrsD):
+ self.push('published', 1)
+ _start_dcterms_issued = _start_published
+ _start_issued = _start_published
+ _start_pubdate = _start_published
+
+ def _end_published(self):
+ value = self.pop('published')
+ self._save('published_parsed', _parse_date(value), overwrite=True)
+ _end_dcterms_issued = _end_published
+ _end_issued = _end_published
+ _end_pubdate = _end_published
+
+ def _start_updated(self, attrsD):
+ self.push('updated', 1)
+ _start_modified = _start_updated
+ _start_dcterms_modified = _start_updated
+ _start_dc_date = _start_updated
+ _start_lastbuilddate = _start_updated
+
+ def _end_updated(self):
+ value = self.pop('updated')
+ parsed_value = _parse_date(value)
+ self._save('updated_parsed', parsed_value, overwrite=True)
+ _end_modified = _end_updated
+ _end_dcterms_modified = _end_updated
+ _end_dc_date = _end_updated
+ _end_lastbuilddate = _end_updated
+
+ def _start_created(self, attrsD):
+ self.push('created', 1)
+ _start_dcterms_created = _start_created
+
+ def _end_created(self):
+ value = self.pop('created')
+ self._save('created_parsed', _parse_date(value), overwrite=True)
+ _end_dcterms_created = _end_created
+
+ def _start_expirationdate(self, attrsD):
+ self.push('expired', 1)
+
+ def _end_expirationdate(self):
+ self._save('expired_parsed', _parse_date(self.pop('expired')), overwrite=True)
+
+ def _start_cc_license(self, attrsD):
+ context = self._getContext()
+ value = self._getAttribute(attrsD, 'rdf:resource')
+ attrsD = FeedParserDict()
+ attrsD['rel'] = u'license'
+ if value:
+ attrsD['href']=value
+ context.setdefault('links', []).append(attrsD)
+
+ def _start_creativecommons_license(self, attrsD):
+ self.push('license', 1)
+ _start_creativeCommons_license = _start_creativecommons_license
+
+ def _end_creativecommons_license(self):
+ value = self.pop('license')
+ context = self._getContext()
+ attrsD = FeedParserDict()
+ attrsD['rel'] = u'license'
+ if value:
+ attrsD['href'] = value
+ context.setdefault('links', []).append(attrsD)
+ del context['license']
+ _end_creativeCommons_license = _end_creativecommons_license
+
+ def _addXFN(self, relationships, href, name):
+ context = self._getContext()
+ xfn = context.setdefault('xfn', [])
+ value = FeedParserDict({'relationships': relationships, 'href': href, 'name': name})
+ if value not in xfn:
+ xfn.append(value)
+
+ def _addTag(self, term, scheme, label):
+ context = self._getContext()
+ tags = context.setdefault('tags', [])
+ if (not term) and (not scheme) and (not label):
+ return
+ value = FeedParserDict({'term': term, 'scheme': scheme, 'label': label})
+ if value not in tags:
+ tags.append(value)
+
+ def _start_category(self, attrsD):
+ term = attrsD.get('term')
+ scheme = attrsD.get('scheme', attrsD.get('domain'))
+ label = attrsD.get('label')
+ self._addTag(term, scheme, label)
+ self.push('category', 1)
+ _start_dc_subject = _start_category
+ _start_keywords = _start_category
+
+ def _start_media_category(self, attrsD):
+ attrsD.setdefault('scheme', u'http://search.yahoo.com/mrss/category_schema')
+ self._start_category(attrsD)
+
+ def _end_itunes_keywords(self):
+ for term in self.pop('itunes_keywords').split(','):
+ if term.strip():
+ self._addTag(term.strip(), u'http://www.itunes.com/', None)
+
+ def _start_itunes_category(self, attrsD):
+ self._addTag(attrsD.get('text'), u'http://www.itunes.com/', None)
+ self.push('category', 1)
+
+ def _end_category(self):
+ value = self.pop('category')
+ if not value:
+ return
+ context = self._getContext()
+ tags = context['tags']
+ if value and len(tags) and not tags[-1]['term']:
+ tags[-1]['term'] = value
+ else:
+ self._addTag(value, None, None)
+ _end_dc_subject = _end_category
+ _end_keywords = _end_category
+ _end_itunes_category = _end_category
+ _end_media_category = _end_category
+
+ def _start_cloud(self, attrsD):
+ self._getContext()['cloud'] = FeedParserDict(attrsD)
+
+ def _start_link(self, attrsD):
+ attrsD.setdefault('rel', u'alternate')
+ if attrsD['rel'] == u'self':
+ attrsD.setdefault('type', u'application/atom+xml')
+ else:
+ attrsD.setdefault('type', u'text/html')
+ context = self._getContext()
+ attrsD = self._itsAnHrefDamnIt(attrsD)
+ if 'href' in attrsD:
+ attrsD['href'] = self.resolveURI(attrsD['href'])
+ expectingText = self.infeed or self.inentry or self.insource
+ context.setdefault('links', [])
+ if not (self.inentry and self.inimage):
+ context['links'].append(FeedParserDict(attrsD))
+ if 'href' in attrsD:
+ expectingText = 0
+ if (attrsD.get('rel') == u'alternate') and (self.mapContentType(attrsD.get('type')) in self.html_types):
+ context['link'] = attrsD['href']
+ else:
+ self.push('link', expectingText)
+
+ def _end_link(self):
+ value = self.pop('link')
+
+ def _start_guid(self, attrsD):
+ self.guidislink = (attrsD.get('ispermalink', 'true') == 'true')
+ self.push('id', 1)
+ _start_id = _start_guid
+
+ def _end_guid(self):
+ value = self.pop('id')
+ self._save('guidislink', self.guidislink and 'link' not in self._getContext())
+ if self.guidislink:
+ # guid acts as link, but only if 'ispermalink' is not present or is 'true',
+ # and only if the item doesn't already have a link element
+ self._save('link', value)
+ _end_id = _end_guid
+
+ def _start_title(self, attrsD):
+ if self.svgOK:
+ return self.unknown_starttag('title', attrsD.items())
+ self.pushContent('title', attrsD, u'text/plain', self.infeed or self.inentry or self.insource)
+ _start_dc_title = _start_title
+ _start_media_title = _start_title
+
+ def _end_title(self):
+ if self.svgOK:
+ return
+ value = self.popContent('title')
+ if not value:
+ return
+ self.title_depth = self.depth
+ _end_dc_title = _end_title
+
+ def _end_media_title(self):
+ title_depth = self.title_depth
+ self._end_title()
+ self.title_depth = title_depth
+
+ def _start_description(self, attrsD):
+ context = self._getContext()
+ if 'summary' in context:
+ self._summaryKey = 'content'
+ self._start_content(attrsD)
+ else:
+ self.pushContent('description', attrsD, u'text/html', self.infeed or self.inentry or self.insource)
+ _start_dc_description = _start_description
+
+ def _start_abstract(self, attrsD):
+ self.pushContent('description', attrsD, u'text/plain', self.infeed or self.inentry or self.insource)
+
+ def _end_description(self):
+ if self._summaryKey == 'content':
+ self._end_content()
+ else:
+ value = self.popContent('description')
+ self._summaryKey = None
+ _end_abstract = _end_description
+ _end_dc_description = _end_description
+
+ def _start_info(self, attrsD):
+ self.pushContent('info', attrsD, u'text/plain', 1)
+ _start_feedburner_browserfriendly = _start_info
+
+ def _end_info(self):
+ self.popContent('info')
+ _end_feedburner_browserfriendly = _end_info
+
+ def _start_generator(self, attrsD):
+ if attrsD:
+ attrsD = self._itsAnHrefDamnIt(attrsD)
+ if 'href' in attrsD:
+ attrsD['href'] = self.resolveURI(attrsD['href'])
+ self._getContext()['generator_detail'] = FeedParserDict(attrsD)
+ self.push('generator', 1)
+
+ def _end_generator(self):
+ value = self.pop('generator')
+ context = self._getContext()
+ if 'generator_detail' in context:
+ context['generator_detail']['name'] = value
+
+ def _start_admin_generatoragent(self, attrsD):
+ self.push('generator', 1)
+ value = self._getAttribute(attrsD, 'rdf:resource')
+ if value:
+ self.elementstack[-1][2].append(value)
+ self.pop('generator')
+ self._getContext()['generator_detail'] = FeedParserDict({'href': value})
+
+ def _start_admin_errorreportsto(self, attrsD):
+ self.push('errorreportsto', 1)
+ value = self._getAttribute(attrsD, 'rdf:resource')
+ if value:
+ self.elementstack[-1][2].append(value)
+ self.pop('errorreportsto')
+
+ def _start_summary(self, attrsD):
+ context = self._getContext()
+ if 'summary' in context:
+ self._summaryKey = 'content'
+ self._start_content(attrsD)
+ else:
+ self._summaryKey = 'summary'
+ self.pushContent(self._summaryKey, attrsD, u'text/plain', 1)
+ _start_itunes_summary = _start_summary
+
+ def _end_summary(self):
+ if self._summaryKey == 'content':
+ self._end_content()
+ else:
+ self.popContent(self._summaryKey or 'summary')
+ self._summaryKey = None
+ _end_itunes_summary = _end_summary
+
+ def _start_enclosure(self, attrsD):
+ attrsD = self._itsAnHrefDamnIt(attrsD)
+ context = self._getContext()
+ attrsD['rel'] = u'enclosure'
+ context.setdefault('links', []).append(FeedParserDict(attrsD))
+
+ def _start_source(self, attrsD):
+ if 'url' in attrsD:
+ # This means that we're processing a source element from an RSS 2.0 feed
+ self.sourcedata['href'] = attrsD[u'url']
+ self.push('source', 1)
+ self.insource = 1
+ self.title_depth = -1
+
+ def _end_source(self):
+ self.insource = 0
+ value = self.pop('source')
+ if value:
+ self.sourcedata['title'] = value
+ self._getContext()['source'] = copy.deepcopy(self.sourcedata)
+ self.sourcedata.clear()
+
+ def _start_content(self, attrsD):
+ self.pushContent('content', attrsD, u'text/plain', 1)
+ src = attrsD.get('src')
+ if src:
+ self.contentparams['src'] = src
+ self.push('content', 1)
+
+ def _start_body(self, attrsD):
+ self.pushContent('content', attrsD, u'application/xhtml+xml', 1)
+ _start_xhtml_body = _start_body
+
+ def _start_content_encoded(self, attrsD):
+ self.pushContent('content', attrsD, u'text/html', 1)
+ _start_fullitem = _start_content_encoded
+
+ def _end_content(self):
+ copyToSummary = self.mapContentType(self.contentparams.get('type')) in ([u'text/plain'] + self.html_types)
+ value = self.popContent('content')
+ if copyToSummary:
+ self._save('summary', value)
+
+ _end_body = _end_content
+ _end_xhtml_body = _end_content
+ _end_content_encoded = _end_content
+ _end_fullitem = _end_content
+
+ def _start_itunes_image(self, attrsD):
+ self.push('itunes_image', 0)
+ if attrsD.get('href'):
+ self._getContext()['image'] = FeedParserDict({'href': attrsD.get('href')})
+ elif attrsD.get('url'):
+ self._getContext()['image'] = FeedParserDict({'href': attrsD.get('url')})
+ _start_itunes_link = _start_itunes_image
+
+ def _end_itunes_block(self):
+ value = self.pop('itunes_block', 0)
+ self._getContext()['itunes_block'] = (value == 'yes') and 1 or 0
+
+ def _end_itunes_explicit(self):
+ value = self.pop('itunes_explicit', 0)
+ # Convert 'yes' -> True, 'clean' to False, and any other value to None
+ # False and None both evaluate as False, so the difference can be ignored
+ # by applications that only need to know if the content is explicit.
+ self._getContext()['itunes_explicit'] = (None, False, True)[(value == 'yes' and 2) or value == 'clean' or 0]
+
+ def _start_media_content(self, attrsD):
+ context = self._getContext()
+ context.setdefault('media_content', [])
+ context['media_content'].append(attrsD)
+
+ def _start_media_thumbnail(self, attrsD):
+ context = self._getContext()
+ context.setdefault('media_thumbnail', [])
+ self.push('url', 1) # new
+ context['media_thumbnail'].append(attrsD)
+
+ def _end_media_thumbnail(self):
+ url = self.pop('url')
+ context = self._getContext()
+ if url != None and len(url.strip()) != 0:
+ if 'url' not in context['media_thumbnail'][-1]:
+ context['media_thumbnail'][-1]['url'] = url
+
+ def _start_media_player(self, attrsD):
+ self.push('media_player', 0)
+ self._getContext()['media_player'] = FeedParserDict(attrsD)
+
+ def _end_media_player(self):
+ value = self.pop('media_player')
+ context = self._getContext()
+ context['media_player']['content'] = value
+
+ def _start_newlocation(self, attrsD):
+ self.push('newlocation', 1)
+
+ def _end_newlocation(self):
+ url = self.pop('newlocation')
+ context = self._getContext()
+ # don't set newlocation if the context isn't right
+ if context is not self.feeddata:
+ return
+ context['newlocation'] = _makeSafeAbsoluteURI(self.baseuri, url.strip())
+
+if _XML_AVAILABLE:
+ class _StrictFeedParser(_FeedParserMixin, xml.sax.handler.ContentHandler):
+ def __init__(self, baseuri, baselang, encoding):
+ xml.sax.handler.ContentHandler.__init__(self)
+ _FeedParserMixin.__init__(self, baseuri, baselang, encoding)
+ self.bozo = 0
+ self.exc = None
+ self.decls = {}
+
+ def startPrefixMapping(self, prefix, uri):
+ if not uri:
+ return
+ # Jython uses '' instead of None; standardize on None
+ prefix = prefix or None
+ self.trackNamespace(prefix, uri)
+ if prefix and uri == 'http://www.w3.org/1999/xlink':
+ self.decls['xmlns:' + prefix] = uri
+
+ def startElementNS(self, name, qname, attrs):
+ namespace, localname = name
+ lowernamespace = str(namespace or '').lower()
+ if lowernamespace.find(u'backend.userland.com/rss') <> -1:
+ # match any backend.userland.com namespace
+ namespace = u'http://backend.userland.com/rss'
+ lowernamespace = namespace
+ if qname and qname.find(':') > 0:
+ givenprefix = qname.split(':')[0]
+ else:
+ givenprefix = None
+ prefix = self._matchnamespaces.get(lowernamespace, givenprefix)
+ if givenprefix and (prefix == None or (prefix == '' and lowernamespace == '')) and givenprefix not in self.namespacesInUse:
+ raise UndeclaredNamespace, "'%s' is not associated with a namespace" % givenprefix
+ localname = str(localname).lower()
+
+ # qname implementation is horribly broken in Python 2.1 (it
+ # doesn't report any), and slightly broken in Python 2.2 (it
+ # doesn't report the xml: namespace). So we match up namespaces
+ # with a known list first, and then possibly override them with
+ # the qnames the SAX parser gives us (if indeed it gives us any
+ # at all). Thanks to MatejC for helping me test this and
+ # tirelessly telling me that it didn't work yet.
+ attrsD, self.decls = self.decls, {}
+ if localname=='math' and namespace=='http://www.w3.org/1998/Math/MathML':
+ attrsD['xmlns']=namespace
+ if localname=='svg' and namespace=='http://www.w3.org/2000/svg':
+ attrsD['xmlns']=namespace
+
+ if prefix:
+ localname = prefix.lower() + ':' + localname
+ elif namespace and not qname: #Expat
+ for name,value in self.namespacesInUse.items():
+ if name and value == namespace:
+ localname = name + ':' + localname
+ break
+
+ for (namespace, attrlocalname), attrvalue in attrs.items():
+ lowernamespace = (namespace or '').lower()
+ prefix = self._matchnamespaces.get(lowernamespace, '')
+ if prefix:
+ attrlocalname = prefix + ':' + attrlocalname
+ attrsD[str(attrlocalname).lower()] = attrvalue
+ for qname in attrs.getQNames():
+ attrsD[str(qname).lower()] = attrs.getValueByQName(qname)
+ self.unknown_starttag(localname, attrsD.items())
+
+ def characters(self, text):
+ self.handle_data(text)
+
+ def endElementNS(self, name, qname):
+ namespace, localname = name
+ lowernamespace = str(namespace or '').lower()
+ if qname and qname.find(':') > 0:
+ givenprefix = qname.split(':')[0]
+ else:
+ givenprefix = ''
+ prefix = self._matchnamespaces.get(lowernamespace, givenprefix)
+ if prefix:
+ localname = prefix + ':' + localname
+ elif namespace and not qname: #Expat
+ for name,value in self.namespacesInUse.items():
+ if name and value == namespace:
+ localname = name + ':' + localname
+ break
+ localname = str(localname).lower()
+ self.unknown_endtag(localname)
+
+ def error(self, exc):
+ self.bozo = 1
+ self.exc = exc
+
+ # drv_libxml2 calls warning() in some cases
+ warning = error
+
+ def fatalError(self, exc):
+ self.error(exc)
+ raise exc
+
+class _BaseHTMLProcessor(sgmllib.SGMLParser):
+ special = re.compile('''[<>'"]''')
+ bare_ampersand = re.compile("&(?!#\d+;|#x[0-9a-fA-F]+;|\w+;)")
+ elements_no_end_tag = set([
+ 'area', 'base', 'basefont', 'br', 'col', 'command', 'embed', 'frame',
+ 'hr', 'img', 'input', 'isindex', 'keygen', 'link', 'meta', 'param',
+ 'source', 'track', 'wbr'
+ ])
+
+ def __init__(self, encoding, _type):
+ self.encoding = encoding
+ self._type = _type
+ sgmllib.SGMLParser.__init__(self)
+
+ def reset(self):
+ self.pieces = []
+ sgmllib.SGMLParser.reset(self)
+
+ def _shorttag_replace(self, match):
+ tag = match.group(1)
+ if tag in self.elements_no_end_tag:
+ return '<' + tag + ' />'
+ else:
+ return '<' + tag + '>' + tag + '>'
+
+ # By declaring these methods and overriding their compiled code
+ # with the code from sgmllib, the original code will execute in
+ # feedparser's scope instead of sgmllib's. This means that the
+ # `tagfind` and `charref` regular expressions will be found as
+ # they're declared above, not as they're declared in sgmllib.
+ def goahead(self, i):
+ pass
+ goahead.func_code = sgmllib.SGMLParser.goahead.func_code
+
+ def __parse_starttag(self, i):
+ pass
+ __parse_starttag.func_code = sgmllib.SGMLParser.parse_starttag.func_code
+
+ def parse_starttag(self,i):
+ j = self.__parse_starttag(i)
+ if self._type == 'application/xhtml+xml':
+ if j>2 and self.rawdata[j-2:j]=='/>':
+ self.unknown_endtag(self.lasttag)
+ return j
+
+ def feed(self, data):
+ data = re.compile(r'\s]+?)\s*/>', self._shorttag_replace, data)
+ data = data.replace(''', "'")
+ data = data.replace('"', '"')
+ try:
+ bytes
+ if bytes is str:
+ raise NameError
+ self.encoding = self.encoding + u'_INVALID_PYTHON_3'
+ except NameError:
+ if self.encoding and isinstance(data, unicode):
+ data = data.encode(self.encoding)
+ sgmllib.SGMLParser.feed(self, data)
+ sgmllib.SGMLParser.close(self)
+
+ def normalize_attrs(self, attrs):
+ if not attrs:
+ return attrs
+ # utility method to be called by descendants
+ attrs = dict([(k.lower(), v) for k, v in attrs]).items()
+ attrs = [(k, k in ('rel', 'type') and v.lower() or v) for k, v in attrs]
+ attrs.sort()
+ return attrs
+
+ def unknown_starttag(self, tag, attrs):
+ # called for each start tag
+ # attrs is a list of (attr, value) tuples
+ # e.g. for
, tag='pre', attrs=[('class', 'screen')]
+ uattrs = []
+ strattrs=''
+ if attrs:
+ for key, value in attrs:
+ value=value.replace('>','>').replace('<','<').replace('"','"')
+ value = self.bare_ampersand.sub("&", value)
+ # thanks to Kevin Marks for this breathtaking hack to deal with (valid) high-bit attribute values in UTF-8 feeds
+ if not isinstance(value, unicode):
+ value = value.decode(self.encoding, 'ignore')
+ try:
+ # Currently, in Python 3 the key is already a str, and cannot be decoded again
+ uattrs.append((unicode(key, self.encoding), value))
+ except TypeError:
+ uattrs.append((key, value))
+ strattrs = u''.join([u' %s="%s"' % (key, value) for key, value in uattrs])
+ if self.encoding:
+ try:
+ strattrs = strattrs.encode(self.encoding)
+ except (UnicodeEncodeError, LookupError):
+ pass
+ if tag in self.elements_no_end_tag:
+ self.pieces.append('<%s%s />' % (tag, strattrs))
+ else:
+ self.pieces.append('<%s%s>' % (tag, strattrs))
+
+ def unknown_endtag(self, tag):
+ # called for each end tag, e.g. for
, tag will be 'pre'
+ # Reconstruct the original end tag.
+ if tag not in self.elements_no_end_tag:
+ self.pieces.append("%s>" % tag)
+
+ def handle_charref(self, ref):
+ # called for each character reference, e.g. for ' ', ref will be '160'
+ # Reconstruct the original character reference.
+ ref = ref.lower()
+ if ref.startswith('x'):
+ value = int(ref[1:], 16)
+ else:
+ value = int(ref)
+
+ if value in _cp1252:
+ self.pieces.append('%s;' % hex(ord(_cp1252[value]))[1:])
+ else:
+ self.pieces.append('%s;' % ref)
+
+ def handle_entityref(self, ref):
+ # called for each entity reference, e.g. for '©', ref will be 'copy'
+ # Reconstruct the original entity reference.
+ if ref in name2codepoint or ref == 'apos':
+ self.pieces.append('&%s;' % ref)
+ else:
+ self.pieces.append('&%s' % ref)
+
+ def handle_data(self, text):
+ # called for each block of plain text, i.e. outside of any tag and
+ # not containing any character or entity references
+ # Store the original text verbatim.
+ self.pieces.append(text)
+
+ def handle_comment(self, text):
+ # called for each HTML comment, e.g.
+ # Reconstruct the original comment.
+ self.pieces.append('' % text)
+
+ def handle_pi(self, text):
+ # called for each processing instruction, e.g.
+ # Reconstruct original processing instruction.
+ self.pieces.append('%s>' % text)
+
+ def handle_decl(self, text):
+ # called for the DOCTYPE, if present, e.g.
+ #
+ # Reconstruct original DOCTYPE
+ self.pieces.append('' % text)
+
+ _new_declname_match = re.compile(r'[a-zA-Z][-_.a-zA-Z0-9:]*\s*').match
+ def _scan_name(self, i, declstartpos):
+ rawdata = self.rawdata
+ n = len(rawdata)
+ if i == n:
+ return None, -1
+ m = self._new_declname_match(rawdata, i)
+ if m:
+ s = m.group()
+ name = s.strip()
+ if (i + len(s)) == n:
+ return None, -1 # end of buffer
+ return name.lower(), m.end()
+ else:
+ self.handle_data(rawdata)
+# self.updatepos(declstartpos, i)
+ return None, -1
+
+ def convert_charref(self, name):
+ return '%s;' % name
+
+ def convert_entityref(self, name):
+ return '&%s;' % name
+
+ def output(self):
+ '''Return processed HTML as a single string'''
+ return ''.join([str(p) for p in self.pieces])
+
+ def parse_declaration(self, i):
+ try:
+ return sgmllib.SGMLParser.parse_declaration(self, i)
+ except sgmllib.SGMLParseError:
+ # escape the doctype declaration and continue parsing
+ self.handle_data('<')
+ return i+1
+
+class _LooseFeedParser(_FeedParserMixin, _BaseHTMLProcessor):
+ def __init__(self, baseuri, baselang, encoding, entities):
+ sgmllib.SGMLParser.__init__(self)
+ _FeedParserMixin.__init__(self, baseuri, baselang, encoding)
+ _BaseHTMLProcessor.__init__(self, encoding, 'application/xhtml+xml')
+ self.entities=entities
+
+ def decodeEntities(self, element, data):
+ data = data.replace('<', '<')
+ data = data.replace('<', '<')
+ data = data.replace('<', '<')
+ data = data.replace('>', '>')
+ data = data.replace('>', '>')
+ data = data.replace('>', '>')
+ data = data.replace('&', '&')
+ data = data.replace('&', '&')
+ data = data.replace('"', '"')
+ data = data.replace('"', '"')
+ data = data.replace(''', ''')
+ data = data.replace(''', ''')
+ if not self.contentparams.get('type', u'xml').endswith(u'xml'):
+ data = data.replace('<', '<')
+ data = data.replace('>', '>')
+ data = data.replace('&', '&')
+ data = data.replace('"', '"')
+ data = data.replace(''', "'")
+ return data
+
+ def strattrs(self, attrs):
+ return ''.join([' %s="%s"' % (n,v.replace('"','"')) for n,v in attrs])
+
+class _MicroformatsParser:
+ STRING = 1
+ DATE = 2
+ URI = 3
+ NODE = 4
+ EMAIL = 5
+
+ known_xfn_relationships = set(['contact', 'acquaintance', 'friend', 'met', 'co-worker', 'coworker', 'colleague', 'co-resident', 'coresident', 'neighbor', 'child', 'parent', 'sibling', 'brother', 'sister', 'spouse', 'wife', 'husband', 'kin', 'relative', 'muse', 'crush', 'date', 'sweetheart', 'me'])
+ known_binary_extensions = set(['zip','rar','exe','gz','tar','tgz','tbz2','bz2','z','7z','dmg','img','sit','sitx','hqx','deb','rpm','bz2','jar','rar','iso','bin','msi','mp2','mp3','ogg','ogm','mp4','m4v','m4a','avi','wma','wmv'])
+
+ def __init__(self, data, baseuri, encoding):
+ self.document = BeautifulSoup.BeautifulSoup(data)
+ self.baseuri = baseuri
+ self.encoding = encoding
+ if isinstance(data, unicode):
+ data = data.encode(encoding)
+ self.tags = []
+ self.enclosures = []
+ self.xfn = []
+ self.vcard = None
+
+ def vcardEscape(self, s):
+ if isinstance(s, basestring):
+ s = s.replace(',', '\\,').replace(';', '\\;').replace('\n', '\\n')
+ return s
+
+ def vcardFold(self, s):
+ s = re.sub(';+$', '', s)
+ sFolded = ''
+ iMax = 75
+ sPrefix = ''
+ while len(s) > iMax:
+ sFolded += sPrefix + s[:iMax] + '\n'
+ s = s[iMax:]
+ sPrefix = ' '
+ iMax = 74
+ sFolded += sPrefix + s
+ return sFolded
+
+ def normalize(self, s):
+ return re.sub(r'\s+', ' ', s).strip()
+
+ def unique(self, aList):
+ results = []
+ for element in aList:
+ if element not in results:
+ results.append(element)
+ return results
+
+ def toISO8601(self, dt):
+ return time.strftime('%Y-%m-%dT%H:%M:%SZ', dt)
+
+ def getPropertyValue(self, elmRoot, sProperty, iPropertyType=4, bAllowMultiple=0, bAutoEscape=0):
+ all = lambda x: 1
+ sProperty = sProperty.lower()
+ bFound = 0
+ bNormalize = 1
+ propertyMatch = {'class': re.compile(r'\b%s\b' % sProperty)}
+ if bAllowMultiple and (iPropertyType != self.NODE):
+ snapResults = []
+ containers = elmRoot(['ul', 'ol'], propertyMatch)
+ for container in containers:
+ snapResults.extend(container('li'))
+ bFound = (len(snapResults) != 0)
+ if not bFound:
+ snapResults = elmRoot(all, propertyMatch)
+ bFound = (len(snapResults) != 0)
+ if (not bFound) and (sProperty == 'value'):
+ snapResults = elmRoot('pre')
+ bFound = (len(snapResults) != 0)
+ bNormalize = not bFound
+ if not bFound:
+ snapResults = [elmRoot]
+ bFound = (len(snapResults) != 0)
+ arFilter = []
+ if sProperty == 'vcard':
+ snapFilter = elmRoot(all, propertyMatch)
+ for node in snapFilter:
+ if node.findParent(all, propertyMatch):
+ arFilter.append(node)
+ arResults = []
+ for node in snapResults:
+ if node not in arFilter:
+ arResults.append(node)
+ bFound = (len(arResults) != 0)
+ if not bFound:
+ if bAllowMultiple:
+ return []
+ elif iPropertyType == self.STRING:
+ return ''
+ elif iPropertyType == self.DATE:
+ return None
+ elif iPropertyType == self.URI:
+ return ''
+ elif iPropertyType == self.NODE:
+ return None
+ else:
+ return None
+ arValues = []
+ for elmResult in arResults:
+ sValue = None
+ if iPropertyType == self.NODE:
+ if bAllowMultiple:
+ arValues.append(elmResult)
+ continue
+ else:
+ return elmResult
+ sNodeName = elmResult.name.lower()
+ if (iPropertyType == self.EMAIL) and (sNodeName == 'a'):
+ sValue = (elmResult.get('href') or '').split('mailto:').pop().split('?')[0]
+ if sValue:
+ sValue = bNormalize and self.normalize(sValue) or sValue.strip()
+ if (not sValue) and (sNodeName == 'abbr'):
+ sValue = elmResult.get('title')
+ if sValue:
+ sValue = bNormalize and self.normalize(sValue) or sValue.strip()
+ if (not sValue) and (iPropertyType == self.URI):
+ if sNodeName == 'a':
+ sValue = elmResult.get('href')
+ elif sNodeName == 'img':
+ sValue = elmResult.get('src')
+ elif sNodeName == 'object':
+ sValue = elmResult.get('data')
+ if sValue:
+ sValue = bNormalize and self.normalize(sValue) or sValue.strip()
+ if (not sValue) and (sNodeName == 'img'):
+ sValue = elmResult.get('alt')
+ if sValue:
+ sValue = bNormalize and self.normalize(sValue) or sValue.strip()
+ if not sValue:
+ sValue = elmResult.renderContents()
+ sValue = re.sub(r'<\S[^>]*>', '', sValue)
+ sValue = sValue.replace('\r\n', '\n')
+ sValue = sValue.replace('\r', '\n')
+ if sValue:
+ sValue = bNormalize and self.normalize(sValue) or sValue.strip()
+ if not sValue:
+ continue
+ if iPropertyType == self.DATE:
+ sValue = _parse_date_iso8601(sValue)
+ if bAllowMultiple:
+ arValues.append(bAutoEscape and self.vcardEscape(sValue) or sValue)
+ else:
+ return bAutoEscape and self.vcardEscape(sValue) or sValue
+ return arValues
+
+ def findVCards(self, elmRoot, bAgentParsing=0):
+ sVCards = ''
+
+ if not bAgentParsing:
+ arCards = self.getPropertyValue(elmRoot, 'vcard', bAllowMultiple=1)
+ else:
+ arCards = [elmRoot]
+
+ for elmCard in arCards:
+ arLines = []
+
+ def processSingleString(sProperty):
+ sValue = self.getPropertyValue(elmCard, sProperty, self.STRING, bAutoEscape=1).decode(self.encoding)
+ if sValue:
+ arLines.append(self.vcardFold(sProperty.upper() + ':' + sValue))
+ return sValue or u''
+
+ def processSingleURI(sProperty):
+ sValue = self.getPropertyValue(elmCard, sProperty, self.URI)
+ if sValue:
+ sContentType = ''
+ sEncoding = ''
+ sValueKey = ''
+ if sValue.startswith('data:'):
+ sEncoding = ';ENCODING=b'
+ sContentType = sValue.split(';')[0].split('/').pop()
+ sValue = sValue.split(',', 1).pop()
+ else:
+ elmValue = self.getPropertyValue(elmCard, sProperty)
+ if elmValue:
+ if sProperty != 'url':
+ sValueKey = ';VALUE=uri'
+ sContentType = elmValue.get('type', '').strip().split('/').pop().strip()
+ sContentType = sContentType.upper()
+ if sContentType == 'OCTET-STREAM':
+ sContentType = ''
+ if sContentType:
+ sContentType = ';TYPE=' + sContentType.upper()
+ arLines.append(self.vcardFold(sProperty.upper() + sEncoding + sContentType + sValueKey + ':' + sValue))
+
+ def processTypeValue(sProperty, arDefaultType, arForceType=None):
+ arResults = self.getPropertyValue(elmCard, sProperty, bAllowMultiple=1)
+ for elmResult in arResults:
+ arType = self.getPropertyValue(elmResult, 'type', self.STRING, 1, 1)
+ if arForceType:
+ arType = self.unique(arForceType + arType)
+ if not arType:
+ arType = arDefaultType
+ sValue = self.getPropertyValue(elmResult, 'value', self.EMAIL, 0)
+ if sValue:
+ arLines.append(self.vcardFold(sProperty.upper() + ';TYPE=' + ','.join(arType) + ':' + sValue))
+
+ # AGENT
+ # must do this before all other properties because it is destructive
+ # (removes nested class="vcard" nodes so they don't interfere with
+ # this vcard's other properties)
+ arAgent = self.getPropertyValue(elmCard, 'agent', bAllowMultiple=1)
+ for elmAgent in arAgent:
+ if re.compile(r'\bvcard\b').search(elmAgent.get('class')):
+ sAgentValue = self.findVCards(elmAgent, 1) + '\n'
+ sAgentValue = sAgentValue.replace('\n', '\\n')
+ sAgentValue = sAgentValue.replace(';', '\\;')
+ if sAgentValue:
+ arLines.append(self.vcardFold('AGENT:' + sAgentValue))
+ # Completely remove the agent element from the parse tree
+ elmAgent.extract()
+ else:
+ sAgentValue = self.getPropertyValue(elmAgent, 'value', self.URI, bAutoEscape=1);
+ if sAgentValue:
+ arLines.append(self.vcardFold('AGENT;VALUE=uri:' + sAgentValue))
+
+ # FN (full name)
+ sFN = processSingleString('fn')
+
+ # N (name)
+ elmName = self.getPropertyValue(elmCard, 'n')
+ if elmName:
+ sFamilyName = self.getPropertyValue(elmName, 'family-name', self.STRING, bAutoEscape=1)
+ sGivenName = self.getPropertyValue(elmName, 'given-name', self.STRING, bAutoEscape=1)
+ arAdditionalNames = self.getPropertyValue(elmName, 'additional-name', self.STRING, 1, 1) + self.getPropertyValue(elmName, 'additional-names', self.STRING, 1, 1)
+ arHonorificPrefixes = self.getPropertyValue(elmName, 'honorific-prefix', self.STRING, 1, 1) + self.getPropertyValue(elmName, 'honorific-prefixes', self.STRING, 1, 1)
+ arHonorificSuffixes = self.getPropertyValue(elmName, 'honorific-suffix', self.STRING, 1, 1) + self.getPropertyValue(elmName, 'honorific-suffixes', self.STRING, 1, 1)
+ arLines.append(self.vcardFold('N:' + sFamilyName + ';' +
+ sGivenName + ';' +
+ ','.join(arAdditionalNames) + ';' +
+ ','.join(arHonorificPrefixes) + ';' +
+ ','.join(arHonorificSuffixes)))
+ elif sFN:
+ # implied "N" optimization
+ # http://microformats.org/wiki/hcard#Implied_.22N.22_Optimization
+ arNames = self.normalize(sFN).split()
+ if len(arNames) == 2:
+ bFamilyNameFirst = (arNames[0].endswith(',') or
+ len(arNames[1]) == 1 or
+ ((len(arNames[1]) == 2) and (arNames[1].endswith('.'))))
+ if bFamilyNameFirst:
+ arLines.append(self.vcardFold('N:' + arNames[0] + ';' + arNames[1]))
+ else:
+ arLines.append(self.vcardFold('N:' + arNames[1] + ';' + arNames[0]))
+
+ # SORT-STRING
+ sSortString = self.getPropertyValue(elmCard, 'sort-string', self.STRING, bAutoEscape=1)
+ if sSortString:
+ arLines.append(self.vcardFold('SORT-STRING:' + sSortString))
+
+ # NICKNAME
+ arNickname = self.getPropertyValue(elmCard, 'nickname', self.STRING, 1, 1)
+ if arNickname:
+ arLines.append(self.vcardFold('NICKNAME:' + ','.join(arNickname)))
+
+ # PHOTO
+ processSingleURI('photo')
+
+ # BDAY
+ dtBday = self.getPropertyValue(elmCard, 'bday', self.DATE)
+ if dtBday:
+ arLines.append(self.vcardFold('BDAY:' + self.toISO8601(dtBday)))
+
+ # ADR (address)
+ arAdr = self.getPropertyValue(elmCard, 'adr', bAllowMultiple=1)
+ for elmAdr in arAdr:
+ arType = self.getPropertyValue(elmAdr, 'type', self.STRING, 1, 1)
+ if not arType:
+ arType = ['intl','postal','parcel','work'] # default adr types, see RFC 2426 section 3.2.1
+ sPostOfficeBox = self.getPropertyValue(elmAdr, 'post-office-box', self.STRING, 0, 1)
+ sExtendedAddress = self.getPropertyValue(elmAdr, 'extended-address', self.STRING, 0, 1)
+ sStreetAddress = self.getPropertyValue(elmAdr, 'street-address', self.STRING, 0, 1)
+ sLocality = self.getPropertyValue(elmAdr, 'locality', self.STRING, 0, 1)
+ sRegion = self.getPropertyValue(elmAdr, 'region', self.STRING, 0, 1)
+ sPostalCode = self.getPropertyValue(elmAdr, 'postal-code', self.STRING, 0, 1)
+ sCountryName = self.getPropertyValue(elmAdr, 'country-name', self.STRING, 0, 1)
+ arLines.append(self.vcardFold('ADR;TYPE=' + ','.join(arType) + ':' +
+ sPostOfficeBox + ';' +
+ sExtendedAddress + ';' +
+ sStreetAddress + ';' +
+ sLocality + ';' +
+ sRegion + ';' +
+ sPostalCode + ';' +
+ sCountryName))
+
+ # LABEL
+ processTypeValue('label', ['intl','postal','parcel','work'])
+
+ # TEL (phone number)
+ processTypeValue('tel', ['voice'])
+
+ # EMAIL
+ processTypeValue('email', ['internet'], ['internet'])
+
+ # MAILER
+ processSingleString('mailer')
+
+ # TZ (timezone)
+ processSingleString('tz')
+
+ # GEO (geographical information)
+ elmGeo = self.getPropertyValue(elmCard, 'geo')
+ if elmGeo:
+ sLatitude = self.getPropertyValue(elmGeo, 'latitude', self.STRING, 0, 1)
+ sLongitude = self.getPropertyValue(elmGeo, 'longitude', self.STRING, 0, 1)
+ arLines.append(self.vcardFold('GEO:' + sLatitude + ';' + sLongitude))
+
+ # TITLE
+ processSingleString('title')
+
+ # ROLE
+ processSingleString('role')
+
+ # LOGO
+ processSingleURI('logo')
+
+ # ORG (organization)
+ elmOrg = self.getPropertyValue(elmCard, 'org')
+ if elmOrg:
+ sOrganizationName = self.getPropertyValue(elmOrg, 'organization-name', self.STRING, 0, 1)
+ if not sOrganizationName:
+ # implied "organization-name" optimization
+ # http://microformats.org/wiki/hcard#Implied_.22organization-name.22_Optimization
+ sOrganizationName = self.getPropertyValue(elmCard, 'org', self.STRING, 0, 1)
+ if sOrganizationName:
+ arLines.append(self.vcardFold('ORG:' + sOrganizationName))
+ else:
+ arOrganizationUnit = self.getPropertyValue(elmOrg, 'organization-unit', self.STRING, 1, 1)
+ arLines.append(self.vcardFold('ORG:' + sOrganizationName + ';' + ';'.join(arOrganizationUnit)))
+
+ # CATEGORY
+ arCategory = self.getPropertyValue(elmCard, 'category', self.STRING, 1, 1) + self.getPropertyValue(elmCard, 'categories', self.STRING, 1, 1)
+ if arCategory:
+ arLines.append(self.vcardFold('CATEGORIES:' + ','.join(arCategory)))
+
+ # NOTE
+ processSingleString('note')
+
+ # REV
+ processSingleString('rev')
+
+ # SOUND
+ processSingleURI('sound')
+
+ # UID
+ processSingleString('uid')
+
+ # URL
+ processSingleURI('url')
+
+ # CLASS
+ processSingleString('class')
+
+ # KEY
+ processSingleURI('key')
+
+ if arLines:
+ arLines = [u'BEGIN:vCard',u'VERSION:3.0'] + arLines + [u'END:vCard']
+ # XXX - this is super ugly; properly fix this with issue 148
+ for i, s in enumerate(arLines):
+ if not isinstance(s, unicode):
+ arLines[i] = s.decode('utf-8', 'ignore')
+ sVCards += u'\n'.join(arLines) + u'\n'
+
+ return sVCards.strip()
+
+ def isProbablyDownloadable(self, elm):
+ attrsD = elm.attrMap
+ if 'href' not in attrsD:
+ return 0
+ linktype = attrsD.get('type', '').strip()
+ if linktype.startswith('audio/') or \
+ linktype.startswith('video/') or \
+ (linktype.startswith('application/') and not linktype.endswith('xml')):
+ return 1
+ try:
+ path = urlparse.urlparse(attrsD['href'])[2]
+ except ValueError:
+ return 0
+ if path.find('.') == -1:
+ return 0
+ fileext = path.split('.').pop().lower()
+ return fileext in self.known_binary_extensions
+
+ def findTags(self):
+ all = lambda x: 1
+ for elm in self.document(all, {'rel': re.compile(r'\btag\b')}):
+ href = elm.get('href')
+ if not href:
+ continue
+ urlscheme, domain, path, params, query, fragment = \
+ urlparse.urlparse(_urljoin(self.baseuri, href))
+ segments = path.split('/')
+ tag = segments.pop()
+ if not tag:
+ if segments:
+ tag = segments.pop()
+ else:
+ # there are no tags
+ continue
+ tagscheme = urlparse.urlunparse((urlscheme, domain, '/'.join(segments), '', '', ''))
+ if not tagscheme.endswith('/'):
+ tagscheme += '/'
+ self.tags.append(FeedParserDict({"term": tag, "scheme": tagscheme, "label": elm.string or ''}))
+
+ def findEnclosures(self):
+ all = lambda x: 1
+ enclosure_match = re.compile(r'\benclosure\b')
+ for elm in self.document(all, {'href': re.compile(r'.+')}):
+ if not enclosure_match.search(elm.get('rel', u'')) and not self.isProbablyDownloadable(elm):
+ continue
+ if elm.attrMap not in self.enclosures:
+ self.enclosures.append(elm.attrMap)
+ if elm.string and not elm.get('title'):
+ self.enclosures[-1]['title'] = elm.string
+
+ def findXFN(self):
+ all = lambda x: 1
+ for elm in self.document(all, {'rel': re.compile('.+'), 'href': re.compile('.+')}):
+ rels = elm.get('rel', u'').split()
+ xfn_rels = [r for r in rels if r in self.known_xfn_relationships]
+ if xfn_rels:
+ self.xfn.append({"relationships": xfn_rels, "href": elm.get('href', ''), "name": elm.string})
+
+def _parseMicroformats(htmlSource, baseURI, encoding):
+ if not BeautifulSoup:
+ return
+ try:
+ p = _MicroformatsParser(htmlSource, baseURI, encoding)
+ except UnicodeEncodeError:
+ # sgmllib throws this exception when performing lookups of tags
+ # with non-ASCII characters in them.
+ return
+ p.vcard = p.findVCards(p.document)
+ p.findTags()
+ p.findEnclosures()
+ p.findXFN()
+ return {"tags": p.tags, "enclosures": p.enclosures, "xfn": p.xfn, "vcard": p.vcard}
+
+class _RelativeURIResolver(_BaseHTMLProcessor):
+ relative_uris = set([('a', 'href'),
+ ('applet', 'codebase'),
+ ('area', 'href'),
+ ('blockquote', 'cite'),
+ ('body', 'background'),
+ ('del', 'cite'),
+ ('form', 'action'),
+ ('frame', 'longdesc'),
+ ('frame', 'src'),
+ ('iframe', 'longdesc'),
+ ('iframe', 'src'),
+ ('head', 'profile'),
+ ('img', 'longdesc'),
+ ('img', 'src'),
+ ('img', 'usemap'),
+ ('input', 'src'),
+ ('input', 'usemap'),
+ ('ins', 'cite'),
+ ('link', 'href'),
+ ('object', 'classid'),
+ ('object', 'codebase'),
+ ('object', 'data'),
+ ('object', 'usemap'),
+ ('q', 'cite'),
+ ('script', 'src'),
+ ('video', 'poster')])
+
+ def __init__(self, baseuri, encoding, _type):
+ _BaseHTMLProcessor.__init__(self, encoding, _type)
+ self.baseuri = baseuri
+
+ def resolveURI(self, uri):
+ return _makeSafeAbsoluteURI(self.baseuri, uri.strip())
+
+ def unknown_starttag(self, tag, attrs):
+ attrs = self.normalize_attrs(attrs)
+ attrs = [(key, ((tag, key) in self.relative_uris) and self.resolveURI(value) or value) for key, value in attrs]
+ _BaseHTMLProcessor.unknown_starttag(self, tag, attrs)
+
+def _resolveRelativeURIs(htmlSource, baseURI, encoding, _type):
+ if not _SGML_AVAILABLE:
+ return htmlSource
+
+ p = _RelativeURIResolver(baseURI, encoding, _type)
+ p.feed(htmlSource)
+ return p.output()
+
+def _makeSafeAbsoluteURI(base, rel=None):
+ # bail if ACCEPTABLE_URI_SCHEMES is empty
+ if not ACCEPTABLE_URI_SCHEMES:
+ try:
+ return _urljoin(base, rel or u'')
+ except ValueError:
+ return u''
+ if not base:
+ return rel or u''
+ if not rel:
+ try:
+ scheme = urlparse.urlparse(base)[0]
+ except ValueError:
+ return u''
+ if not scheme or scheme in ACCEPTABLE_URI_SCHEMES:
+ return base
+ return u''
+ try:
+ uri = _urljoin(base, rel)
+ except ValueError:
+ return u''
+ if uri.strip().split(':', 1)[0] not in ACCEPTABLE_URI_SCHEMES:
+ return u''
+ return uri
+
+class _HTMLSanitizer(_BaseHTMLProcessor):
+ acceptable_elements = set(['a', 'abbr', 'acronym', 'address', 'area',
+ 'article', 'aside', 'audio', 'b', 'big', 'blockquote', 'br', 'button',
+ 'canvas', 'caption', 'center', 'cite', 'code', 'col', 'colgroup',
+ 'command', 'datagrid', 'datalist', 'dd', 'del', 'details', 'dfn',
+ 'dialog', 'dir', 'div', 'dl', 'dt', 'em', 'event-source', 'fieldset',
+ 'figcaption', 'figure', 'footer', 'font', 'form', 'header', 'h1',
+ 'h2', 'h3', 'h4', 'h5', 'h6', 'hr', 'i', 'img', 'input', 'ins',
+ 'keygen', 'kbd', 'label', 'legend', 'li', 'm', 'map', 'menu', 'meter',
+ 'multicol', 'nav', 'nextid', 'ol', 'output', 'optgroup', 'option',
+ 'p', 'pre', 'progress', 'q', 's', 'samp', 'section', 'select',
+ 'small', 'sound', 'source', 'spacer', 'span', 'strike', 'strong',
+ 'sub', 'sup', 'table', 'tbody', 'td', 'textarea', 'time', 'tfoot',
+ 'th', 'thead', 'tr', 'tt', 'u', 'ul', 'var', 'video', 'noscript'])
+
+ acceptable_attributes = set(['abbr', 'accept', 'accept-charset', 'accesskey',
+ 'action', 'align', 'alt', 'autocomplete', 'autofocus', 'axis',
+ 'background', 'balance', 'bgcolor', 'bgproperties', 'border',
+ 'bordercolor', 'bordercolordark', 'bordercolorlight', 'bottompadding',
+ 'cellpadding', 'cellspacing', 'ch', 'challenge', 'char', 'charoff',
+ 'choff', 'charset', 'checked', 'cite', 'class', 'clear', 'color', 'cols',
+ 'colspan', 'compact', 'contenteditable', 'controls', 'coords', 'data',
+ 'datafld', 'datapagesize', 'datasrc', 'datetime', 'default', 'delay',
+ 'dir', 'disabled', 'draggable', 'dynsrc', 'enctype', 'end', 'face', 'for',
+ 'form', 'frame', 'galleryimg', 'gutter', 'headers', 'height', 'hidefocus',
+ 'hidden', 'high', 'href', 'hreflang', 'hspace', 'icon', 'id', 'inputmode',
+ 'ismap', 'keytype', 'label', 'leftspacing', 'lang', 'list', 'longdesc',
+ 'loop', 'loopcount', 'loopend', 'loopstart', 'low', 'lowsrc', 'max',
+ 'maxlength', 'media', 'method', 'min', 'multiple', 'name', 'nohref',
+ 'noshade', 'nowrap', 'open', 'optimum', 'pattern', 'ping', 'point-size',
+ 'poster', 'pqg', 'preload', 'prompt', 'radiogroup', 'readonly', 'rel',
+ 'repeat-max', 'repeat-min', 'replace', 'required', 'rev', 'rightspacing',
+ 'rows', 'rowspan', 'rules', 'scope', 'selected', 'shape', 'size', 'span',
+ 'src', 'start', 'step', 'summary', 'suppress', 'tabindex', 'target',
+ 'template', 'title', 'toppadding', 'type', 'unselectable', 'usemap',
+ 'urn', 'valign', 'value', 'variable', 'volume', 'vspace', 'vrml',
+ 'width', 'wrap', 'xml:lang'])
+
+ unacceptable_elements_with_end_tag = set(['script', 'applet', 'style'])
+
+ acceptable_css_properties = set(['azimuth', 'background-color',
+ 'border-bottom-color', 'border-collapse', 'border-color',
+ 'border-left-color', 'border-right-color', 'border-top-color', 'clear',
+ 'color', 'cursor', 'direction', 'display', 'elevation', 'float', 'font',
+ 'font-family', 'font-size', 'font-style', 'font-variant', 'font-weight',
+ 'height', 'letter-spacing', 'line-height', 'overflow', 'pause',
+ 'pause-after', 'pause-before', 'pitch', 'pitch-range', 'richness',
+ 'speak', 'speak-header', 'speak-numeral', 'speak-punctuation',
+ 'speech-rate', 'stress', 'text-align', 'text-decoration', 'text-indent',
+ 'unicode-bidi', 'vertical-align', 'voice-family', 'volume',
+ 'white-space', 'width'])
+
+ # survey of common keywords found in feeds
+ acceptable_css_keywords = set(['auto', 'aqua', 'black', 'block', 'blue',
+ 'bold', 'both', 'bottom', 'brown', 'center', 'collapse', 'dashed',
+ 'dotted', 'fuchsia', 'gray', 'green', '!important', 'italic', 'left',
+ 'lime', 'maroon', 'medium', 'none', 'navy', 'normal', 'nowrap', 'olive',
+ 'pointer', 'purple', 'red', 'right', 'solid', 'silver', 'teal', 'top',
+ 'transparent', 'underline', 'white', 'yellow'])
+
+ valid_css_values = re.compile('^(#[0-9a-f]+|rgb\(\d+%?,\d*%?,?\d*%?\)?|' +
+ '\d{0,2}\.?\d{0,2}(cm|em|ex|in|mm|pc|pt|px|%|,|\))?)$')
+
+ mathml_elements = set(['annotation', 'annotation-xml', 'maction', 'math',
+ 'merror', 'mfenced', 'mfrac', 'mi', 'mmultiscripts', 'mn', 'mo', 'mover', 'mpadded',
+ 'mphantom', 'mprescripts', 'mroot', 'mrow', 'mspace', 'msqrt', 'mstyle',
+ 'msub', 'msubsup', 'msup', 'mtable', 'mtd', 'mtext', 'mtr', 'munder',
+ 'munderover', 'none', 'semantics'])
+
+ mathml_attributes = set(['actiontype', 'align', 'columnalign', 'columnalign',
+ 'columnalign', 'close', 'columnlines', 'columnspacing', 'columnspan', 'depth',
+ 'display', 'displaystyle', 'encoding', 'equalcolumns', 'equalrows',
+ 'fence', 'fontstyle', 'fontweight', 'frame', 'height', 'linethickness',
+ 'lspace', 'mathbackground', 'mathcolor', 'mathvariant', 'mathvariant',
+ 'maxsize', 'minsize', 'open', 'other', 'rowalign', 'rowalign', 'rowalign',
+ 'rowlines', 'rowspacing', 'rowspan', 'rspace', 'scriptlevel', 'selection',
+ 'separator', 'separators', 'stretchy', 'width', 'width', 'xlink:href',
+ 'xlink:show', 'xlink:type', 'xmlns', 'xmlns:xlink'])
+
+ # svgtiny - foreignObject + linearGradient + radialGradient + stop
+ svg_elements = set(['a', 'animate', 'animateColor', 'animateMotion',
+ 'animateTransform', 'circle', 'defs', 'desc', 'ellipse', 'foreignObject',
+ 'font-face', 'font-face-name', 'font-face-src', 'g', 'glyph', 'hkern',
+ 'linearGradient', 'line', 'marker', 'metadata', 'missing-glyph', 'mpath',
+ 'path', 'polygon', 'polyline', 'radialGradient', 'rect', 'set', 'stop',
+ 'svg', 'switch', 'text', 'title', 'tspan', 'use'])
+
+ # svgtiny + class + opacity + offset + xmlns + xmlns:xlink
+ svg_attributes = set(['accent-height', 'accumulate', 'additive', 'alphabetic',
+ 'arabic-form', 'ascent', 'attributeName', 'attributeType',
+ 'baseProfile', 'bbox', 'begin', 'by', 'calcMode', 'cap-height',
+ 'class', 'color', 'color-rendering', 'content', 'cx', 'cy', 'd', 'dx',
+ 'dy', 'descent', 'display', 'dur', 'end', 'fill', 'fill-opacity',
+ 'fill-rule', 'font-family', 'font-size', 'font-stretch', 'font-style',
+ 'font-variant', 'font-weight', 'from', 'fx', 'fy', 'g1', 'g2',
+ 'glyph-name', 'gradientUnits', 'hanging', 'height', 'horiz-adv-x',
+ 'horiz-origin-x', 'id', 'ideographic', 'k', 'keyPoints', 'keySplines',
+ 'keyTimes', 'lang', 'mathematical', 'marker-end', 'marker-mid',
+ 'marker-start', 'markerHeight', 'markerUnits', 'markerWidth', 'max',
+ 'min', 'name', 'offset', 'opacity', 'orient', 'origin',
+ 'overline-position', 'overline-thickness', 'panose-1', 'path',
+ 'pathLength', 'points', 'preserveAspectRatio', 'r', 'refX', 'refY',
+ 'repeatCount', 'repeatDur', 'requiredExtensions', 'requiredFeatures',
+ 'restart', 'rotate', 'rx', 'ry', 'slope', 'stemh', 'stemv',
+ 'stop-color', 'stop-opacity', 'strikethrough-position',
+ 'strikethrough-thickness', 'stroke', 'stroke-dasharray',
+ 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin',
+ 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'systemLanguage',
+ 'target', 'text-anchor', 'to', 'transform', 'type', 'u1', 'u2',
+ 'underline-position', 'underline-thickness', 'unicode', 'unicode-range',
+ 'units-per-em', 'values', 'version', 'viewBox', 'visibility', 'width',
+ 'widths', 'x', 'x-height', 'x1', 'x2', 'xlink:actuate', 'xlink:arcrole',
+ 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type',
+ 'xml:base', 'xml:lang', 'xml:space', 'xmlns', 'xmlns:xlink', 'y', 'y1',
+ 'y2', 'zoomAndPan'])
+
+ svg_attr_map = None
+ svg_elem_map = None
+
+ acceptable_svg_properties = set([ 'fill', 'fill-opacity', 'fill-rule',
+ 'stroke', 'stroke-width', 'stroke-linecap', 'stroke-linejoin',
+ 'stroke-opacity'])
+
+ def reset(self):
+ _BaseHTMLProcessor.reset(self)
+ self.unacceptablestack = 0
+ self.mathmlOK = 0
+ self.svgOK = 0
+
+ def unknown_starttag(self, tag, attrs):
+ acceptable_attributes = self.acceptable_attributes
+ keymap = {}
+ if not tag in self.acceptable_elements or self.svgOK:
+ if tag in self.unacceptable_elements_with_end_tag:
+ self.unacceptablestack += 1
+
+ # add implicit namespaces to html5 inline svg/mathml
+ if self._type.endswith('html'):
+ if not dict(attrs).get('xmlns'):
+ if tag=='svg':
+ attrs.append( ('xmlns','http://www.w3.org/2000/svg') )
+ if tag=='math':
+ attrs.append( ('xmlns','http://www.w3.org/1998/Math/MathML') )
+
+ # not otherwise acceptable, perhaps it is MathML or SVG?
+ if tag=='math' and ('xmlns','http://www.w3.org/1998/Math/MathML') in attrs:
+ self.mathmlOK += 1
+ if tag=='svg' and ('xmlns','http://www.w3.org/2000/svg') in attrs:
+ self.svgOK += 1
+
+ # chose acceptable attributes based on tag class, else bail
+ if self.mathmlOK and tag in self.mathml_elements:
+ acceptable_attributes = self.mathml_attributes
+ elif self.svgOK and tag in self.svg_elements:
+ # for most vocabularies, lowercasing is a good idea. Many
+ # svg elements, however, are camel case
+ if not self.svg_attr_map:
+ lower=[attr.lower() for attr in self.svg_attributes]
+ mix=[a for a in self.svg_attributes if a not in lower]
+ self.svg_attributes = lower
+ self.svg_attr_map = dict([(a.lower(),a) for a in mix])
+
+ lower=[attr.lower() for attr in self.svg_elements]
+ mix=[a for a in self.svg_elements if a not in lower]
+ self.svg_elements = lower
+ self.svg_elem_map = dict([(a.lower(),a) for a in mix])
+ acceptable_attributes = self.svg_attributes
+ tag = self.svg_elem_map.get(tag,tag)
+ keymap = self.svg_attr_map
+ elif not tag in self.acceptable_elements:
+ return
+
+ # declare xlink namespace, if needed
+ if self.mathmlOK or self.svgOK:
+ if filter(lambda (n,v): n.startswith('xlink:'),attrs):
+ if not ('xmlns:xlink','http://www.w3.org/1999/xlink') in attrs:
+ attrs.append(('xmlns:xlink','http://www.w3.org/1999/xlink'))
+
+ clean_attrs = []
+ for key, value in self.normalize_attrs(attrs):
+ if key in acceptable_attributes:
+ key=keymap.get(key,key)
+ # make sure the uri uses an acceptable uri scheme
+ if key == u'href':
+ value = _makeSafeAbsoluteURI(value)
+ clean_attrs.append((key,value))
+ elif key=='style':
+ clean_value = self.sanitize_style(value)
+ if clean_value:
+ clean_attrs.append((key,clean_value))
+ _BaseHTMLProcessor.unknown_starttag(self, tag, clean_attrs)
+
+ def unknown_endtag(self, tag):
+ if not tag in self.acceptable_elements:
+ if tag in self.unacceptable_elements_with_end_tag:
+ self.unacceptablestack -= 1
+ if self.mathmlOK and tag in self.mathml_elements:
+ if tag == 'math' and self.mathmlOK:
+ self.mathmlOK -= 1
+ elif self.svgOK and tag in self.svg_elements:
+ tag = self.svg_elem_map.get(tag,tag)
+ if tag == 'svg' and self.svgOK:
+ self.svgOK -= 1
+ else:
+ return
+ _BaseHTMLProcessor.unknown_endtag(self, tag)
+
+ def handle_pi(self, text):
+ pass
+
+ def handle_decl(self, text):
+ pass
+
+ def handle_data(self, text):
+ if not self.unacceptablestack:
+ _BaseHTMLProcessor.handle_data(self, text)
+
+ def sanitize_style(self, style):
+ # disallow urls
+ style=re.compile('url\s*\(\s*[^\s)]+?\s*\)\s*').sub(' ',style)
+
+ # gauntlet
+ if not re.match("""^([:,;#%.\sa-zA-Z0-9!]|\w-\w|'[\s\w]+'|"[\s\w]+"|\([\d,\s]+\))*$""", style):
+ return ''
+ # This replaced a regexp that used re.match and was prone to pathological back-tracking.
+ if re.sub("\s*[-\w]+\s*:\s*[^:;]*;?", '', style).strip():
+ return ''
+
+ clean = []
+ for prop,value in re.findall("([-\w]+)\s*:\s*([^:;]*)",style):
+ if not value:
+ continue
+ if prop.lower() in self.acceptable_css_properties:
+ clean.append(prop + ': ' + value + ';')
+ elif prop.split('-')[0].lower() in ['background','border','margin','padding']:
+ for keyword in value.split():
+ if not keyword in self.acceptable_css_keywords and \
+ not self.valid_css_values.match(keyword):
+ break
+ else:
+ clean.append(prop + ': ' + value + ';')
+ elif self.svgOK and prop.lower() in self.acceptable_svg_properties:
+ clean.append(prop + ': ' + value + ';')
+
+ return ' '.join(clean)
+
+ def parse_comment(self, i, report=1):
+ ret = _BaseHTMLProcessor.parse_comment(self, i, report)
+ if ret >= 0:
+ return ret
+ # if ret == -1, this may be a malicious attempt to circumvent
+ # sanitization, or a page-destroying unclosed comment
+ match = re.compile(r'--[^>]*>').search(self.rawdata, i+4)
+ if match:
+ return match.end()
+ # unclosed comment; deliberately fail to handle_data()
+ return len(self.rawdata)
+
+
+def _sanitizeHTML(htmlSource, encoding, _type):
+ if not _SGML_AVAILABLE:
+ return htmlSource
+ p = _HTMLSanitizer(encoding, _type)
+ htmlSource = htmlSource.replace(''):
+ data = data.split('>', 1)[1]
+ if data.count('