X-Git-Url: https://git.sommitrealweird.co.uk/rss2maildir.git/blobdiff_plain/e4e1e5427c6afcedb1876b15694e5f473272e164..729c797149e6048e3f48f700e1e4bc2533c3a99d:/rss2maildir.py?ds=sidebyside diff --git a/rss2maildir.py b/rss2maildir.py index 968c647..d721d0e 100755 --- a/rss2maildir.py +++ b/rss2maildir.py @@ -1,4 +1,21 @@ #!/usr/bin/python +# coding=utf8 + +# 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 @@ -8,11 +25,13 @@ import urllib import feedparser -import email +from email.MIMEMultipart import MIMEMultipart +from email.MIMEText import MIMEText import datetime import random import string +import textwrap import socket @@ -20,25 +39,143 @@ from optparse import OptionParser from ConfigParser import SafeConfigParser from base64 import b64encode +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.inlink = False + self.text = "" + self.currentparagraph = "" + self.headingtext = "" + 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.text = self.text + "\n" + elif tag.lower() == "p": + if self.text != "": + self.text = self.text + "\n\n" + self.currentparagraph = "" + self.inparagraph = True + + def handle_startendtag(self, tag, attrs): + if tag.lower() == "br": + self.text = self.text + "\n" + + def handle_endtag(self, tag): + if tag.lower() == "h1": + self.inheadingone = False + self.text = self.text + self.headingtext + "\n" + "=" * len(self.headingtext) + self.headingtext = "" + elif tag.lower() == "h2": + self.inheadingtwo = False + self.text = self.text + self.headingtext + "\n" + "-" * len(self.headingtext) + self.headingtext = "" + elif tag.lower() in ["h3", "h4", "h5", "h6"]: + self.inotherheading = False + self.text = self.text + self.headingtext + "\n" + "~" * len(self.headingtext) + self.headingtext = "" + elif tag.lower() == "p": + self.text = self.text + "\n".join(textwrap.wrap(self.currentparagraph, 70)) + self.inparagraph = False + def handle_data(self, data): + if not self.inheadingone and not self.inheadingtwo and not self.inotherheading and not self.inparagraph: + self.text = self.text + data.strip() + " " + elif self.inparagraph: + self.currentparagraph = self.currentparagraph + data.strip() + " " + else: + self.headingtext = self.headingtext + data.strip() + " " + + def handle_entityref(self, name): + if entities.has_key(name.lower()): + self.text = self.text + entities[name.lower()] + else: + self.text = self.text + "&" + name + ";" + + 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"]: - # things that we need in the message - msg = email.message_from_string("") + # have we seen it before? + # need to work out what the content is first... + + if item.has_key("content"): + content = item["content"][0]["value"] + else: + content = item["summary"] + + md5sum = md5.md5(content.encode("utf8")).hexdigest() + + if db.has_key(url + "|" + item["link"]): + data = db[url + "|" + item["link"]] + data = cgi.parse_qs(data) + if data["contentmd5"][0] == md5sum: + continue + + try: + author = item["author"] + except: + author = url + + # 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() + ">" + msg.add_header("Message-ID", messageid) msg.set_unixfrom("\"%s\" " %(url)) - msg.add_header("From", "\"%s\" " %(item["author"])) + msg.add_header("From", "\"%s\" " %(author)) msg.add_header("To", "\"%s\" " %(url)) - msg.add_header("Date", datetime.datetime(*item["created_parsed"][0:6]).strftime("%a, %e %b %Y %T -0000")) + 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_charset("utf8") - msg.set_default_type(item["content"][0]["type"]) - msg.set_type(item["content"][0]["type"]) - msg.set_payload(b64encode(item["content"][0]["value"])) + msg.set_default_type("text/plain") - msg.add_header("Message-ID", "<" + 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() + ">") + htmlpart = MIMEText(content.encode("utf8"), "html", "utf8") + textparser = HTML2Text() + textparser.feed(content.encode("utf8")) + textcontent = textparser.gettext() + textpart = MIMEText(textcontent, "plain", "utf8") + 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 @@ -52,6 +189,12 @@ def parse_and_deliver(maildir, url, statedir): os.link(fn, newfn) os.unlink(fn) + # now add to the database about the item + data = urllib.urlencode((("message-id", messageid), ("created", createddate), ("contentmd5", md5sum))) + db[url + "|" + item["link"]] = data + + db.close() + # first off, parse the command line arguments oparser = OptionParser() @@ -130,6 +273,18 @@ elif scp.has_option("general", "state_dir"): except: 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.exit(1) + except: + try: + os.mkdir(state_dir) + except: + sys.stderr.write("State directory %s could not be created\n" %(state_dir)) + sys.exit(1) if scp.has_option("general", "maildir_root"): maildir_root = scp.get("general", "maildir_root")