X-Git-Url: https://git.sommitrealweird.co.uk/rss2maildir.git/blobdiff_plain/4abf90071a0d3d39f6a5829f79c980a195ed4c3b..f219f9891ab629777c24876e5b374b06c00801a6:/rss2maildir.py diff --git a/rss2maildir.py b/rss2maildir.py index 41654dd..60bbe90 100755 --- a/rss2maildir.py +++ b/rss2maildir.py @@ -6,9 +6,89 @@ import os import stat import urllib +import feedparser + +from email.MIMEMultipart import MIMEMultipart +from email.MIMEText import MIMEText + +import datetime +import random +import string + +import socket + from optparse import OptionParser from ConfigParser import SafeConfigParser +from base64 import b64encode +import md5 + +import cgi +import dbm + + +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"]: + # 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(item["link"]): + data = db[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\" " %(author)) + msg.add_header("To", "\"%s\" " %(url)) + 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") + + 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') + fn = os.path.join(maildir, "tmp", fname) + fh = open(fn, "w") + fh.write(msg.as_string()) + fh.close() + # now move it in to the new directory + newfn = os.path.join(maildir, "new", fname) + 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[item["link"]] = data + + db.close() + # first off, parse the command line arguments oparser = OptionParser() @@ -16,6 +96,10 @@ oparser.add_option( "-c", "--conf", dest="conf", help="location of config file" ) +oparser.add_option( + "-s", "--statedir", dest="statedir", + help="location of directory to store state in" + ) (options, args) = oparser.parse_args() @@ -52,6 +136,49 @@ scp = SafeConfigParser() scp.read(configfile) maildir_root = "RSSMaildir" +state_dir = "state" + +if options.statedir != None: + state_dir = options.statedir + 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 to make the directory + try: + os.mkdir(state_dir) + except: + sys.stderr.write("Couldn't create statedir %s" %(state_dir)) + sys.exit(1) +elif scp.has_option("general", "state_dir"): + new_state_dir = scp.get("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.exit(1) + except: + # try to create it + try: + 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.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") @@ -94,23 +221,36 @@ for section in feeds: except: os.mkdir(os.path.join(maildir, "cur")) if not stat.S_ISDIR(mode): - sys.stderr.write("Broken maildir: %s" %(maildir)) + sys.stderr.write("Broken maildir: %s\n" %(maildir)) try: mode = os.stat(os.path.join(maildir, "tmp"))[stat.ST_MODE] except: os.mkdir(os.path.join(maildir, "tmp")) if not stat.S_ISDIR(mode): - sys.stderr.write("Broken maildir: %s" %(maildir)) + sys.stderr.write("Broken maildir: %s\n" %(maildir)) try: mode = os.stat(os.path.join(maildir, "new"))[stat.ST_MODE] if not stat.S_ISDIR(mode): - sys.stderr.write("Broken maildir: %s" %(maildir)) + sys.stderr.write("Broken maildir: %s\n" %(maildir)) except: os.mkdir(os.path.join(maildir, "new")) else: - sys.stderr.write("Broken maildir: %s" %(maildir)) + sys.stderr.write("Broken maildir: %s\n" %(maildir)) except: - os.mkdir(maildir) - os.mkdir(os.path.join(maildir, "new")) - os.mkdir(os.path.join(maildir, "cur")) - os.mkdir(os.path.join(maildir, "tmp")) + try: + os.mkdir(maildir) + except: + sys.stderr.write("Couldn't create root maildir %s\n" %(maildir)) + sys.exit(1) + try: + os.mkdir(os.path.join(maildir, "new")) + 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.exit(1) + + # right - we've got the directories, we've got the section, we know the + # url... lets play! + + parse_and_deliver(maildir, section, state_dir)