X-Git-Url: https://git.sommitrealweird.co.uk/rss2maildir.git/blobdiff_plain/9a4c55083ef741cd562529f93b331f4c583e61b7..7517d3b016968c154fea96215def1325a25b6bdc:/rss2maildir.py?ds=inline diff --git a/rss2maildir.py b/rss2maildir.py index 3e4ed60..84a9f09 100755 --- a/rss2maildir.py +++ b/rss2maildir.py @@ -44,217 +44,563 @@ import md5 import cgi import dbm +import re + from HTMLParser import HTMLParser class HTML2Text(HTMLParser): entities = { - "amp": "&", - "lt": "<", - "gt": ">", - "pound": "£", - "copy": "©", - "apos": "'", - "quot": "\"", - "nbsp": " ", + u'amp': u'&', + u'lt': u'<', + u'gt': u'>', + u'pound': u'£', + u'copy': u'©', + u'apos': u'\'', + u'quot': u'"', + u'nbsp': u' ', + u'ldquo': u'“', + u'rdquo': u'”', + u'lsquo': u'‘', + u'rsquo': u'’', + u'laquo': u'«', + u'raquo': u'»', + u'lsaquo': u'‹', + u'rsaquo': u'›', + u'bull': u'•', + u'middot': u'·', + u'deg': u'°', + u'helip': u'…', + u'trade': u'™', + u'reg': u'®', + u'agrave': u'à', + u'Agrave': u'À', + u'egrave': u'è', + u'Egrave': u'È', + u'igrave': u'ì', + u'Igrave': u'Ì', + u'ograve': u'ò', + u'Ograve': u'Ò', + u'ugrave': u'ù', + u'Ugrave': u'Ù', + u'aacute': u'á', + u'Aacute': u'Á', + u'eacute': u'é', + u'Eacute': u'É', + u'iacute': u'í', + u'Iacute': u'Í', + u'oacute': u'ó', + u'Oacute': u'Ó', + u'uacute': u'ú', + u'Uacute': u'Ú', + u'yactue': u'ý', + u'Yacute': u'Ý', + u'acirc': u'â', + u'Acirc': u'Â', + u'ecirc': u'ê', + u'Ecirc': u'Ê', + u'icirc': u'î', + u'Icirc': u'Î', + u'ocirc': u'ô', + u'Ocirc': u'Ô', + u'ucirc': u'û', + u'Ucirc': u'Û', + u'atilde': u'ã', + u'Atilde': u'Ã', + u'ntilde': u'ñ', + u'Ntilde': u'Ñ', + u'otilde': u'õ', + u'Otilde': u'Õ', + u'auml': u'ä', + u'Auml': u'Ä', + u'euml': u'ë', + u'Euml': u'Ë', + u'iuml': u'ï', + u'Iuml': u'Ï', + u'ouml': u'ö', + u'Ouml': u'Ö', + u'uuml': u'ü', + u'Uuml': u'Ü', + u'yuml': u'ÿ', + u'Yuml': u'Ÿ', + u'iexcl': u'¡', + u'iquest': u'¿', + u'ccedil': u'ç', + u'Ccedil': u'Ç', + u'oelig': u'œ', + u'OElig': u'Œ', + u'szlig': u'ß', + u'oslash': u'ø', + u'Oslash': u'Ø', + u'aring': u'å', + u'Aring': u'Å', + u'aelig': u'æ', + u'AElig': u'Æ', + u'thorn': u'þ', + u'THORN': u'Þ', + u'eth': u'ð', + u'ETH': u'Ð', + u'mdash': u'—', + u'ndash': u'–', + u'sect': u'§', + u'para': u'¶', + u'uarr': u'↑', + u'darr': u'↓', + u'larr': u'←', + u'rarr': u'→', + u'dagger': u'†', + u'Dagger': u'‡', + u'permil': u'‰', + u'prod': u'∏', + u'infin': u'∞', + u'radic': u'√', + u'there4': u'∴', + u'int': u'∫', + u'asymp': u'≈', + u'ne': u'≠', + u'equiv': '≡', + u'le': u'≤', + u'ge': u'≥', + u'loz': u'⋄', + u'sum': u'∑', + u'part': u'∂', + u'prime': u'′', + u'Prime': u'″', + u'harr': u'↔', + u'micro': u'µ', + u'not': u'¬', + u'plusmn': u'±', + u'divide': u'÷', + u'cent': u'¢', + u'euro': u'€', } - def __init__(self): - self.inheadingone = False - self.inheadingtwo = False - self.inotherheading = False - self.inparagraph = True - self.inblockquote = False - self.inlink = False + blockleveltags = [ + u'h1', + u'h2', + u'h3', + u'h4', + u'h5', + u'h6', + u'pre', + u'p', + u'ul', + u'ol', + u'dl', + u'li', + u'dt', + u'dd', + u'div', + u'blockquote', + ] + + liststarttags = [ + u'ul', + u'ol', + u'dl', + ] + + cancontainflow = [ + u'div', + u'li', + u'dd', + u'blockquote', + ] + + def __init__(self,textwidth=70): self.text = u'' - self.currentparagraph = u'' - self.headingtext = u'' - self.blockquote = u'' - self.inpre = False - self.inul = False - self.initem = False - self.item = u'' + self.curdata = u'' + self.textwidth = textwidth + self.opentags = [] + self.indentlevel = 0 + self.ignorenodata = False + self.listcount = [] + self.urls = [] + self.images = {} HTMLParser.__init__(self) def handle_starttag(self, tag, attrs): - if tag.lower() == "h1": - self.inheadingone = True - self.inparagraph = False - elif tag.lower() == "h2": - self.inheadingtwo = True - self.inparagraph = False - elif tag.lower() in ["h3", "h4", "h5", "h6"]: - self.inotherheading = True - self.inparagraph = False - elif tag.lower() == "a": - self.inlink = True - elif tag.lower() == "br": - self.handle_br() - elif tag.lower() == "blockquote": - self.inblockquote = True - self.text = self.text + u'\n' - elif tag.lower() == "p": - if self.text != "": - self.text = self.text + u'\n\n' - if self.inparagraph: - self.text = self.text \ - + u'\n'.join(textwrap.wrap(self.currentparagraph, 70)) - self.currentparagraph = u'' - self.inparagraph = True - elif tag.lower() == "pre": - self.text = self.text + "\n" - self.inpre = True - self.inparagraph = False - self.inblockquote = False - elif tag.lower() == "ul": - self.item = u'' - self.inul = True - self.text = self.text + "\n" - elif tag.lower() == "li": - if not self.initem: - self.initem = True - self.item = u'' + tag_name = tag.lower() + if tag_name in self.blockleveltags: + # handle starting a new block - unless we're in a block element + # that can contain other blocks, we'll assume that we want to close + # the container + if len(self.opentags) > 1 and self.opentags[-1] == u'li': + self.handle_curdata() + + if tag_name == u'ol': + self.handle_curdata() + self.listcount.append(1) + self.listlevel = len(self.listcount) - 1 + + if tag_name == u'dl': + self.indentlevel = self.indentlevel + 4 + + if tag_name in self.liststarttags: + smallist = self.opentags[-3:-1] + smallist.reverse() + for prev_listtag in smallist: + if prev_listtag in [u'dl', u'ol']: + self.indentlevel = self.indentlevel + 4 + break + elif prev_listtag == u'ul': + self.indentlevel = self.indentlevel + 3 + break + + if len(self.opentags) > 0: + self.handle_curdata() + if tag_name not in self.cancontainflow: + self.opentags.pop() + self.opentags.append(tag_name) + else: + if tag_name == "span": + return + listcount = 0 + try: + listcount = self.listcount[-1] + except: + pass + + if tag_name == u'dd' and len(self.opentags) > 1 \ + and self.opentags[-1] == u'dt': + self.handle_curdata() + self.opentags.pop() + elif tag_name == u'dt' and len(self.opentags) > 1 \ + and self.opentags[-1] == u'dd': + self.handle_curdata() + self.opentags.pop() + elif tag_name == u'a': + for attr in attrs: + if attr[0].lower() == u'href': + self.urls.append(attr[1].decode('utf-8')) + self.curdata = self.curdata + u'`' + self.opentags.append(tag_name) + return + elif tag_name == u'img': + self.handle_image(attrs) + return + elif tag_name == u'br': + self.handle_br() + return else: - self.text = self.text \ - + u' * ' \ - + u'\n '.join([a.strip() for a in \ - textwrap.wrap(self.item, 67)]) \ - + u'\n' - self.item = u'' - self.initem = True + # we don't know the tag, so lets avoid handling it! + return def handle_startendtag(self, tag, attrs): - if tag.lower() == "br": + if tag.lower() == u'br': self.handle_br() + elif tag.lower() == u'img': + self.handle_image(attrs) + return def handle_br(self): - if self.inparagraph: - self.text = self.text \ - + u'\n'.join( \ - [a \ - for a in textwrap.wrap( \ - self.currentparagraph, 70) \ - ] \ - ) \ - + u'\n' - self.currentparagraph = u'' - elif self.inblockquote: - self.text = self.text \ - + u'\n> ' \ - + u'\n> '.join( \ - [a \ - for a in textwrap.wrap( \ - self.blockquote.encode("utf-8") \ - , 68) \ - ] \ - ) \ - + u'\n' - self.blockquote = u'' + self.handle_curdata() + self.opentags.append(u'br') + self.handle_curdata() + self.opentags.pop() + + def handle_image(self, attrs): + alt = u'' + url = u'' + for attr in attrs: + if attr[0] == 'alt': + alt = attr[1].decode('utf-8') + elif attr[0] == 'src': + url = attr[1].decode('utf-8') + if url: + if alt: + if self.images.has_key(alt): + if self.images[alt]["url"] == url: + self.curdata = self.curdata \ + + u'|%s|' %(alt,) + else: + while self.images.has_key(alt): + alt = alt + "_" + self.images[alt] = {"url": url} + self.curdata = self.curdata \ + + u'|%s|' %(alt,) + else: + self.images[alt] = {"url": url} + self.curdata = self.curdata \ + + u'|%s|' %(alt,) else: - self.text = self.text + "\n" + if self.images.has_key(url): + self.curdata = self.curdata \ + + u'|%s|' %(url,) + else: + self.images[url] = {} + self.images[url]["url"] =url + self.curdata = self.curdata \ + + u'|%s|' %(url,) + + def handle_curdata(self): + + if len(self.opentags) == 0: + return - def handle_endtag(self, tag): - if tag.lower() == "h1": - self.inheadingone = False - self.text = self.text \ - + u'\n\n' \ - + self.headingtext.encode("utf-8") \ - + u'\n' \ - + u'=' * len(self.headingtext.encode("utf-8").strip()) - self.headingtext = u'' - elif tag.lower() == "h2": - self.inheadingtwo = False + tag_thats_done = self.opentags[-1] + + if len(self.curdata) == 0: + return + + if tag_thats_done == u'br': + if len(self.text) == 0 or self.text[-1] != '\n': + self.text = self.text + '\n' + self.ignorenodata = True + return + + if len(self.curdata.strip()) == 0: + return + + if tag_thats_done in self.blockleveltags: + newlinerequired = self.text != u'' + if self.ignorenodata: + newlinerequired = False + self.ignorenodata = False + if newlinerequired: + if tag_thats_done in [u'dt', u'dd', u'li'] \ + and len(self.text) > 1 \ + and self.text[-1] != u'\n': + self.text = self.text + u'\n' + elif len(self.text) > 2 \ + and self.text[-1] != u'\n' \ + and self.text[-2] != u'\n': + self.text = self.text + u'\n\n' + + if tag_thats_done in ["h1", "h2", "h3", "h4", "h5", "h6"]: + underline = u'' + underlinechar = u'=' + headingtext = " ".join(self.curdata.split()) + seperator = u'\n' + u' '*self.indentlevel + headingtext = seperator.join( \ + textwrap.wrap( \ + headingtext, \ + self.textwidth - self.indentlevel \ + ) \ + ) + + if tag_thats_done == u'h2': + underlinechar = u'-' + elif tag_thats_done != u'h1': + underlinechar = u'~' + + if u'\n' in headingtext: + underline = u' ' * self.indentlevel \ + + underlinechar * (self.textwidth - self.indentlevel) + else: + underline = u' ' * self.indentlevel \ + + underlinechar * len(headingtext) self.text = self.text \ - + u'\n\n' \ - + self.headingtext.encode("utf-8") \ - + u'\n' \ - + u'-' * len(self.headingtext.encode("utf-8").strip()) - self.headingtext = u'' - elif tag.lower() in ["h3", "h4", "h5", "h6"]: - self.inotherheading = False + + headingtext + u'\n' \ + + underline + elif tag_thats_done in [u'p', u'div']: + paragraph = unicode( \ + " ".join(self.curdata.strip().encode("utf-8").split()), \ + "utf-8") + seperator = u'\n' + u' ' * self.indentlevel self.text = self.text \ - + u'\n\n' \ - + self.headingtext.encode("utf-8") \ - + u'\n' \ - + u'~' * len(self.headingtext.encode("utf-8").strip()) - self.headingtext = u'' - elif tag.lower() == "p": + + u' ' * self.indentlevel \ + + seperator.join( \ + textwrap.wrap( \ + paragraph, self.textwidth - self.indentlevel)) + elif tag_thats_done == "pre": + self.text = self.text + unicode( \ + self.curdata.encode("utf-8"), "utf-8") + elif tag_thats_done == u'blockquote': + quote = unicode( \ + " ".join(self.curdata.encode("utf-8").strip().split()), \ + "utf-8") + seperator = u'\n' + u' ' * self.indentlevel + u' ' + if len(self.text) > 0 and self.text[-1] != u'\n': + self.text = self.text + u'\n' self.text = self.text \ - + u'\n'.join(textwrap.wrap( \ - self.currentparagraph, 70) \ + + u' ' \ + + seperator.join( \ + textwrap.wrap( \ + quote, \ + self.textwidth - self.indentlevel - 2 \ + ) ) - self.inparagraph = False - self.currentparagraph = u'' - elif tag.lower() == "blockquote": + self.curdata = u'' + elif tag_thats_done == "li": + item = unicode(self.curdata.encode("utf-8").strip(), "utf-8") + if len(self.text) > 0 and self.text[-1] != u'\n': + self.text = self.text + u'\n' + # work out if we're in an ol rather than a ul + latesttags = self.opentags[-4:] + latesttags.reverse() + isul = None + for thing in latesttags: + if thing == 'ul': + isul = True + break + elif thing == 'ol': + isul = False + break + + listindent = 3 + if not isul: + listindent = 4 + + listmarker = u' * ' + if isul == False: + listmarker = u' %2d. ' %(self.listcount[-1]) + self.listcount[-1] = self.listcount[-1] + 1 + + seperator = u'\n' \ + + u' ' * self.indentlevel \ + + u' ' * listindent self.text = self.text \ - + u'\n> ' \ - + u'\n> '.join( \ - [a.strip() \ - for a in textwrap.wrap( \ - self.blockquote, 68)] \ + + u' ' * self.indentlevel \ + + listmarker \ + + seperator.join( \ + textwrap.wrap( \ + item, \ + self.textwidth - self.indentlevel - listindent \ ) \ - + u'\n' - self.inblockquote = False - self.blockquote = u'' - elif tag.lower() == "pre": - self.inpre = False - elif tag.lower() == "li": - self.initem = False - if self.item != u'': + ) + self.curdata = u'' + elif tag_thats_done == u'dt': + definition = unicode(" ".join( \ + self.curdata.encode("utf-8").strip().split()), \ + "utf-8") + if len(self.text) > 0 and self.text[-1] != u'\n': + self.text = self.text + u'\n\n' + elif len(self.text) > 1 and self.text[-2] != u'\n': + self.text = self.text + u'\n' + definition = u' ' * (self.indentlevel - 4) + definition + "::" + indentstring = u'\n' + u' ' * (self.indentlevel - 3) + self.text = self.text \ + + indentstring.join( + textwrap.wrap(definition, \ + self.textwidth - self.indentlevel - 4)) + self.curdata = u'' + elif tag_thats_done == u'dd': + definition = unicode(" ".join( \ + self.curdata.encode("utf-8").strip().split()), + "utf-8") + if len(definition) > 0: + if len(self.text) > 0 and self.text[-1] != u'\n': + self.text = self.text + u'\n' + indentstring = u'\n' + u' ' * self.indentlevel self.text = self.text \ - + u' * ' \ - + u'\n '.join( \ - [a.strip() for a in textwrap.wrap(self.item, 67)]) \ - + u'\n' - self.item = u'' - elif tag.lower() == "ul": - self.inul = False + + indentstring \ + + indentstring.join( \ + textwrap.wrap( \ + definition, \ + self.textwidth - self.indentlevel \ + ) \ + ) + self.curdata = u'' + elif tag_thats_done == u'a': + self.curdata = self.curdata + u'`__' + pass + elif tag_thats_done in self.liststarttags: + pass - def handle_data(self, data): - if self.inheadingone or self.inheadingtwo or self.inotherheading: - self.headingtext = self.headingtext \ - + unicode(data, "utf-8").strip() \ - + u' ' - elif self.inblockquote: - self.blockquote = self.blockquote \ - + unicode(data, "utf-8").strip() \ - + u' ' - elif self.initem: - self.item = self.item + unicode(data, "utf-8") - elif self.inparagraph: - self.currentparagraph = self.currentparagraph \ - + unicode(data, "utf-8").strip() \ - + u' ' - elif self.inpre: - self.text = self.text + unicode(data, "utf-8") + if tag_thats_done in self.blockleveltags: + self.curdata = u'' + + self.ignorenodata = False + + def handle_endtag(self, tag): + self.ignorenodata = False + if tag == "span": + return + + try: + tagindex = self.opentags.index(tag) + except: + return + tag = tag.lower() + + if tag in [u'br', u'img']: + return + + if tag == u'dl': + self.indentlevel = self.indentlevel - 4 + + if tag in self.liststarttags: + if tag in [u'ol', u'dl', u'ul', u'dd']: + self.handle_curdata() + # find if there was a previous list level + smalllist = self.opentags[:-1] + smalllist.reverse() + for prev_listtag in smalllist: + if prev_listtag in [u'ol', u'dl']: + self.indentlevel = self.indentlevel - 4 + break + elif prev_listtag == u'ul': + self.indentlevel = self.indentlevel - 3 + break + + if tag == u'ol': + self.listcount = self.listcount[:-1] + + while tagindex < len(self.opentags) \ + and tag in self.opentags[tagindex+1:]: + try: + tagindex = self.opentags.index(tag, tagindex+1) + except: + # well, we don't want to do that then + pass + if tagindex != len(self.opentags) - 1: + # Assuming the data was for the last opened tag first + self.handle_curdata() + # Now kill the list to be a slice before this tag was opened + self.opentags = self.opentags[:tagindex + 1] else: - isallwhitespace = data.strip() - if isallwhitespace != "" and self.text[-1] == "\n": - self.text = self.text + unicode(data, "utf-8").strip() + u' ' + self.handle_curdata() + if self.opentags[-1] == tag: + self.opentags.pop() + + def handle_data(self, data): + if len(self.opentags) == 0: + self.opentags.append(u'p') + self.curdata = self.curdata + data.decode("utf-8") + + def handle_charref(self, name): + try: + entity = unichr(int(name)) + except: + if entity[0] == 'x': + try: + entity = unichr(int('0%s' %(name,), 16)) + except: + entity = u'#%s' %(name,) + else: + entity = u'#%s' %(name,) + self.curdata = self.curdata + unicode(entity.encode('utf-8'), \ + "utf-8") def handle_entityref(self, name): entity = name - if HTML2Text.entities.has_key(name.lower()): - entity = HTML2Text.entities[name.lower()] - elif name[0] == "#": - entity = unichr(int(name[1:])) + if HTML2Text.entities.has_key(name): + entity = HTML2Text.entities[name] else: entity = "&" + name + ";" - if self.inparagraph: - self.currentparagraph = self.currentparagraph \ - + unicode(entity, "utf-8") - elif self.inblockquote: - self.blockquote = self.blockquote + unicode(entity, "utf-8") - else: - self.text = self.text + unicode(entity, "utf-8") + self.curdata = self.curdata + unicode(entity.encode('utf-8'), \ + "utf-8") def gettext(self): - data = self.text - if self.inparagraph: - data = data + "\n".join(textwrap.wrap(self.currentparagraph, 70)) - if data[-1] != '\n': - data = data + '\n' - return data + self.handle_curdata() + if len(self.text) == 0 or self.text[-1] != u'\n': + self.text = self.text + u'\n' + self.opentags = [] + if len(self.text) > 0: + while len(self.text) > 1 and self.text[-1] == u'\n': + self.text = self.text[:-1] + self.text = self.text + u'\n' + if len(self.urls) > 0: + self.text = self.text + u'\n__ ' + u'\n__ '.join(self.urls) + u'\n' + self.urls = [] + if len(self.images.keys()) > 0: + self.text = self.text + u'\n.. ' \ + + u'\n.. '.join( \ + ["|%s| image:: %s" %(a, self.images[a]["url"]) \ + for a in self.images.keys()]) + u'\n' + self.images = {} + return self.text def open_url(method, url): redirectcount = 0 @@ -389,7 +735,12 @@ def parse_and_deliver(maildir, url, statedir): except: pass msg.add_header("Date", createddate) - msg.add_header("Subject", item["title"]) + subj_gen = HTML2Text() + title = item["title"].encode("utf-8") + title = re.sub(u'<', u'<', title) + title = re.sub(u'>', u'>', title) + subj_gen.feed(title) + msg.add_header("Subject", subj_gen.gettext()) msg.set_default_type("text/plain") htmlcontent = content.encode("utf-8") @@ -459,7 +810,8 @@ def parse_and_deliver(maildir, url, statedir): if headers: data = [] for header in headers: - if header[0] in ["content-md5", "etag", "last-modified", "content-length"]: + if header[0] in \ + ["content-md5", "etag", "last-modified", "content-length"]: data.append((header[0], header[1])) if len(data) > 0: data = urllib.urlencode(data) @@ -538,11 +890,13 @@ if __name__ == "__main__": elif scp.has_option("general", "state_dir"): new_state_dir = scp.get("general", "state_dir") try: - mode = os.stat(state_dir)[stat.ST_MODE] + mode = os.stat(new_state_dir)[stat.ST_MODE] if not stat.S_ISDIR(mode): sys.stderr.write( \ "State directory (%s) is not a directory\n" %(state_dir)) sys.exit(1) + else: + state_dir = new_state_dir except: # try to create it try: