Much better filename creation for the tmp file

[rss2maildir.git] / rss2maildir.py

diff --git a/rss2maildir.py b/rss2maildir.py
index cece6969e6f232e436c1c53bfbd62022b4970091..b48498efd49801f4cee0554e7c2b3b06e7eed986 100755 (executable)
--- a/rss2maildir.py
+++ b/rss2maildir.py
@@ -3,10 +3,47 @@
 import mailbox
 import sys
 import os
+import stat
+import urllib
+
+import feedparser
+
+import email
+
+import datetime
+import random
+import string
 
 from optparse import OptionParser
 from ConfigParser import SafeConfigParser
 
+
+def parse_and_deliver(maildir, url, statedir):
+    md = mailbox.Maildir(maildir)
+    fp = feedparser.parse(url)
+    for item in fp["items"]:
+        # things that we need in the message
+        msg = email.message_from_string("")
+        msg.add_header("Subject", item["title"])
+        msg.set_unixfrom("Brett Parker <iDunno@sommitrealweird.co.uk>")
+        msg.add_header("Date", datetime.datetime(*item["created_parsed"][0:6]).strftime("%a, %e %b %Y %T -0000"))
+        msg.add_header("To", url)
+        msg.set_payload(item["content"][0]["value"])
+        msg.set_charset("utf8")
+        msg.set_default_type("text/plain")
+
+        # start by working out the filename we should be writting to, we do
+        # this following the normal maildir style rules
+        fname = str(os.getpid()) + "".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)
+
 # first off, parse the command line arguments
 
 oparser = OptionParser()
@@ -14,6 +51,10 @@ 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()
 
@@ -50,10 +91,53 @@ 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)
 
 if scp.has_option("general", "maildir_root"):
     maildir_root = scp.get("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.exit(1)
+except:
+    try:
+        os.mkdir(maildir_root)
+    except:
+        sys.stderr.write("Couldn't create Maildir Root %s\n" %(maildir_root))
+        sys.exit(1)
+
 feeds = scp.sections()
 try:
     feeds.remove("general")
@@ -61,6 +145,55 @@ except:
     pass
 
 for section in feeds:
-    print section
-    print "-" * len(section)
-    print scp.items(section)
+    # check if the directory exists
+    maildir = None
+    try:
+        maildir = scp.get(section, "maildir")
+    except:
+        maildir = section
+
+    maildir = urllib.urlencode(((section, maildir),)).split("=")[1]
+    maildir = os.path.join(maildir_root, maildir)
+
+    try:
+        exists = os.stat(maildir)
+        if stat.S_ISDIR(exists[stat.ST_MODE]):
+            # check if there's a new, cur and tmp directory
+            try:
+                mode = os.stat(os.path.join(maildir, "cur"))[stat.ST_MODE]
+            except:
+                os.mkdir(os.path.join(maildir, "cur"))
+                if not stat.S_ISDIR(mode):
+                    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\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\n" %(maildir))
+            except:
+                os.mkdir(os.path.join(maildir, "new"))
+        else:
+            sys.stderr.write("Broken maildir: %s\n" %(maildir))
+    except:
+        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)