X-Git-Url: https://git.sommitrealweird.co.uk/rss2maildir.git/blobdiff_plain/f219f9891ab629777c24876e5b374b06c00801a6..41170825eb09fcf3b3c69c9812073727ee8a2b4e:/rss2maildir.py diff --git a/rss2maildir.py b/rss2maildir.py index 60bbe90..25ddb3c 100755 --- a/rss2maildir.py +++ b/rss2maildir.py @@ -1,6 +1,22 @@ #!/usr/bin/python +# coding=utf-8 + +# rss2maildir.py - RSS feeds to Maildir 1 email per item +# Copyright (C) 2007 Brett Parker +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . -import mailbox import sys import os import stat @@ -14,6 +30,7 @@ from email.MIMEText import MIMEText import datetime import random import string +import textwrap import socket @@ -26,9 +43,215 @@ import md5 import cgi import dbm +from HTMLParser import HTMLParser + +entities = { + "amp": "&", + "lt": "<", + "gt": ">", + "pound": "£", + "copy": "©", + "apos": "'", + "quote": "\"", + "nbsp": " ", + } + +class HTML2Text(HTMLParser): + + def __init__(self): + self.inheadingone = False + self.inheadingtwo = False + self.inotherheading = False + self.inparagraph = True + self.inblockquote = False + self.inlink = False + self.text = u'' + self.currentparagraph = u'' + self.headingtext = u'' + self.blockquote = u'' + self.inpre = False + self.inul = False + self.initem = False + self.item = u'' + 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" and self.inul: + if not self.initem: + self.initem = True + self.item = u'' + else: + self.text = self.text \ + + u' * ' \ + + u'\n '.join([a.strip() for a in \ + textwrap.wrap(self.item, 67)]) \ + + u'\n' + self.item = u'' + + def handle_startendtag(self, tag, attrs): + if tag.lower() == "br": + self.handle_br() + + 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'' + else: + self.text = self.text + "\n" + + 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 + 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 + 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": + self.text = self.text \ + + u'\n'.join(textwrap.wrap( \ + self.currentparagraph, 70) \ + ) + self.inparagraph = False + self.currentparagraph = u'' + elif tag.lower() == "blockquote": + self.text = self.text \ + + u'\n> ' \ + + u'\n> '.join( \ + [a.strip() \ + for a in textwrap.wrap( \ + self.blockquote, 68)] \ + ) \ + + 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 != "": + 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 + + 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.inparagraph: + self.currentparagraph = self.currentparagraph \ + + unicode(data, "utf-8").strip() \ + + u' ' + elif self.inul and self.initem: + self.item = self.item + unicode(data, "utf-8") + elif self.inpre: + self.text = self.text + unicode(data, "utf-8") + else: + self.text = self.text + unicode(data, "utf-8").strip() + u' ' + + def handle_entityref(self, name): + entity = name + if entities.has_key(name.lower()): + entity = entities[name.lower()] + elif name[0] == "#": + entity = unichr(int(name[1:])) + 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") + + def gettext(self): + data = self.text + if self.inparagraph: + data = data + "\n".join(textwrap.wrap(self.currentparagraph, 70)) + return data def parse_and_deliver(maildir, url, statedir): - md = mailbox.Maildir(maildir) fp = feedparser.parse(url) db = dbm.open(os.path.join(statedir, "seen"), "c") for item in fp["items"]: @@ -40,11 +263,15 @@ def parse_and_deliver(maildir, url, statedir): else: content = item["summary"] - md5sum = md5.md5(content.encode("utf8")).hexdigest() + md5sum = md5.md5(content.encode("utf-8")).hexdigest() + + prevmessageid = None - if db.has_key(item["link"]): - data = db[item["link"]] + if db.has_key(url + "|" + item["link"]): + data = db[url + "|" + item["link"]] data = cgi.parse_qs(data) + if data.has_key("message-id"): + prevmessageid = data["message-id"][0] if data["contentmd5"][0] == md5sum: continue @@ -55,25 +282,44 @@ def parse_and_deliver(maildir, url, statedir): # create a basic email message msg = MIMEMultipart("alternative") - messageid = "<" + datetime.datetime.now().strftime("%Y%m%d%H%M") + "." + "".join([random.choice(string.ascii_letters + string.digits) for a in range(0,6)]) + "@" + socket.gethostname() + ">" + messageid = "<" \ + + datetime.datetime.now().strftime("%Y%m%d%H%M") \ + + "." \ + + "".join( \ + [random.choice( \ + string.ascii_letters + string.digits \ + ) for a in range(0,6) \ + ]) + "@" + socket.gethostname() + ">" msg.add_header("Message-ID", messageid) msg.set_unixfrom("\"%s\" " %(url)) msg.add_header("From", "\"%s\" " %(author)) msg.add_header("To", "\"%s\" " %(url)) - createddate = datetime.datetime(*item["updated_parsed"][0:6]).strftime("%a, %e %b %Y %T -0000") + if prevmessageid: + msg.add_header("References", prevmessageid) + createddate = datetime.datetime(*item["updated_parsed"][0:6]) \ + .strftime("%a, %e %b %Y %T -0000") msg.add_header("Date", createddate) msg.add_header("Subject", item["title"]) msg.set_default_type("text/plain") - htmlpart = MIMEText(content.encode("utf8"), "html", "utf8") - textpart = MIMEText(content.encode("utf8"), "plain", "utf8") - + htmlpart = MIMEText(content.encode("utf-8"), "html", "utf-8") + textparser = HTML2Text() + textparser.feed(content.encode("utf-8")) + textcontent = textparser.gettext() + textpart = MIMEText(textcontent.encode("utf-8"), "plain", "utf-8") msg.attach(textpart) msg.attach(htmlpart) # start by working out the filename we should be writting to, we do # this following the normal maildir style rules - fname = str(os.getpid()) + "." + socket.gethostname() + "." + "".join([random.choice(string.ascii_letters + string.digits) for a in range(0,10)]) + "." + datetime.datetime.now().strftime('%s') + fname = str(os.getpid()) \ + + "." + socket.gethostname() \ + + "." + "".join( \ + [random.choice( \ + string.ascii_letters + string.digits \ + ) for a in range(0,10) \ + ]) + "." \ + + datetime.datetime.now().strftime('%s') fn = os.path.join(maildir, "tmp", fname) fh = open(fn, "w") fh.write(msg.as_string()) @@ -84,8 +330,14 @@ def parse_and_deliver(maildir, url, statedir): os.unlink(fn) # now add to the database about the item - data = urllib.urlencode((("message-id", messageid), ("created", createddate), ("contentmd5", md5sum))) - db[item["link"]] = data + if prevmessageid: + messageid = prevmessageid + " " + messageid + data = urllib.urlencode(( + ("message-id", messageid), \ + ("created", createddate), \ + ("contentmd5", md5sum) \ + )) + db[url + "|" + item["link"]] = data db.close() @@ -114,7 +366,8 @@ if options.conf != None: configfile = options.conf except: # should exit here as the specified file doesn't exist - sys.stderr.write("Config file %s does not exist. Exiting.\n" %(options.conf,)) + sys.stderr.write( \ + "Config file %s does not exist. Exiting.\n" %(options.conf,)) sys.exit(2) else: # check through the default locations @@ -143,7 +396,8 @@ if options.statedir != None: try: mode = os.stat(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.stderr.write( \ + "State directory (%s) is not a directory\n" %(state_dir)) sys.exit(1) except: # try to make the directory @@ -157,7 +411,8 @@ elif scp.has_option("general", "state_dir"): try: mode = os.stat(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.stderr.write( \ + "State directory (%s) is not a directory\n" %(state_dir)) sys.exit(1) except: # try to create it @@ -165,19 +420,22 @@ elif scp.has_option("general", "state_dir"): os.mkdir(new_state_dir) state_dir = new_state_dir except: - sys.stderr.write("Couldn't create state directory %s\n" %(new_state_dir)) + sys.stderr.write( \ + "Couldn't create state directory %s\n" %(new_state_dir)) sys.exit(1) else: try: mode = os.stat(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.stderr.write( \ + "State directory %s is not a directory\n" %(state_dir)) sys.exit(1) except: try: os.mkdir(state_dir) except: - sys.stderr.write("State directory %s could not be created\n" %(state_dir)) + sys.stderr.write( \ + "State directory %s could not be created\n" %(state_dir)) sys.exit(1) if scp.has_option("general", "maildir_root"): @@ -186,7 +444,9 @@ if scp.has_option("general", "maildir_root"): try: mode = os.stat(maildir_root)[stat.ST_MODE] if not stat.S_ISDIR(mode): - sys.stderr.write("Maildir Root %s is not a directory\n" %(maildir_root)) + sys.stderr.write( \ + "Maildir Root %s is not a directory\n" \ + %(maildir_root)) sys.exit(1) except: try: @@ -247,7 +507,9 @@ for section in feeds: os.mkdir(os.path.join(maildir, "cur")) os.mkdir(os.path.join(maildir, "tmp")) except: - sys.stderr.write("Couldn't create required maildir directories for %s\n" %(section,)) + sys.stderr.write( \ + "Couldn't create required maildir directories for %s\n" \ + %(section,)) sys.exit(1) # right - we've got the directories, we've got the section, we know the