Don't assume gdshortener is installed

Added optional is.gd stats

conf-example.py

@@ -6,7 +6,8 @@ RPC_URL = 'http://MYRPCUSER:MYRPCPASSWORD@127.0.0.1:28332' # change to rpcuser a
 DB_FILENAME = 'items.db' # db is mainly there to keep track of "what not to post again" :) (debugging too, I guess)
 MAX_URL_LENGTH = 100 # this leaves 36 characters and a ... to get to 140. If we don't have that, we skip the item :(
 MAX_NEW_ITEMS_PER_FEED = 3 # we don't want to flood more than that in a single run.
-USE_SHORTENER=True
+USE_SHORTENER = False # to enable this, you need gdshortener: https://github.com/torre76/gd_shortener/
+SHORTENER_STATS = True # tell is.gd to publicly show statistics for the shortened url
 FEEDS = [ # Use your own feeds, of course :)
     'https://swatwt.com/favs/rss/en',
     'https://github.com/thedod.atom'

feed2twister.py

@@ -3,7 +3,10 @@ import feedparser,anydbm,sys
 from bitcoinrpc.authproxy import AuthServiceProxy
 
 if USE_SHORTENER:
-    import gdshortener
+    try:
+        import gdshortener
+    except ImportError:
+        USE_SHORTENER = False
 
 ### truncated_utf8() is based on http://stackoverflow.com/a/13738452
 def _is_utf8_lead_byte(b):
@@ -29,8 +32,6 @@ def get_next_k(twister,username):
 
 def main(max_items):
     db = anydbm.open(DB_FILENAME,'c')
-    if USE_SHORTENER:
-        s = gdshortener.ISGDShortener()
     twister = AuthServiceProxy(RPC_URL)
     for feed_url in FEEDS:
         logging.info(feed_url)
@@ -42,8 +43,7 @@ def main(max_items):
                 logging.debug('Skipping duplicate {0}'.format(eid))
             else: # format as a <=140 character string
                 # Construct the link, possibly with shortener
-                entry_url = s.shorten(e.link)[0] if USE_SHORTENER else e.link
-
+                entry_url = gdshortener.ISGDShortener().shorten(url=e.link, log_stat=SHORTENER_STATS)[0] if USE_SHORTENER else e.link
                 if len(entry_url)<=MAX_URL_LENGTH:
                     msg = u'{0} {1}'.format(entry_url,e.title)
                     if len(msg)>140: # Truncate (and hope it's still meaningful)