Make newzbin fetch queue more robust.

sabnzbd/growler.py

@@ -175,6 +175,7 @@ def send_growl(title , msg, gtype):
         if _GROWL:
             assert isinstance(_GROWL, GrowlNotifier)
             _GROWL_REG = True
+            if not isinstance(msg, str): msg = str(msg)
             logging.debug('Send to Growl: %s %s %s', gtype, latin1(title), latin1(msg))
             try:
                 ret = _GROWL.notify(

sabnzbd/misc.py

@@ -875,7 +875,10 @@ def bad_fetch(nzo, url, msg='', retry=False, content=False):
         retry : make retry link in histort
         content : report in history that cause is a bad NZB file
     """
+    if msg:
         msg = unicoder(msg)
+    else:
+        msg = ''
 
     pp = nzo.pp
     if pp is None:

sabnzbd/newzbin.py

@@ -190,7 +190,7 @@ def _grabnzb(msgid):
         pass
     if not (rcode or rtext):
         logging.error(T('Newzbin server changed its protocol'))
-        return None, None, None, None
+        return retry
 
     # Official return codes:
     # 200 = OK, NZB content follows