diff -r 2bf0fd3432bf -r 8124cde38141 script/lib/iri_tweet/export_twitter_alchemy.py
--- a/script/lib/iri_tweet/export_twitter_alchemy.py	Tue Jun 28 22:23:56 2011 +0200
+++ b/script/lib/iri_tweet/export_twitter_alchemy.py	Thu Jun 30 02:10:21 2011 +0200
@@ -85,6 +85,8 @@
                       help="list of file to process", metavar="LIST_CONF", default=None)
     parser.add_option("-E", "--extended", dest="extended_mode", action="store_true",
                       help="Trigger polemic extended mode", metavar="EXTENDED", default=False)
+    parser.add_option("--user-whitelist", dest="user_whitelist", action="store",
+                      help="A list of user screen name", metavar="USER_WHITELIST",default=None)
     
     
     set_logging_options(parser)
@@ -123,7 +125,9 @@
                     tei = tweet_exclude_table.insert()
                     for line in f:
                         conn.execute(tei.values(id=long(line.strip())))
-
+            user_whitelist_file = options.user_whitelist
+            user_whitelist = None
+            
             if options.listconf:
                 
                 parameters = []
@@ -162,7 +166,10 @@
                 duration = params.get("duration", None)
                 content_file = params.get("content_file", None)
                 hashtags = params.get('hashtags', [])
-                
+                  
+                if user_whitelist_file:
+                    with open(user_whitelist_file, 'r+') as f:
+                        user_whitelist = list(set([s.strip() for s in f]))
                 
                 start_date = parse_date(start_date_str) 
                 ts = time.mktime(start_date.timetuple())
@@ -174,7 +181,7 @@
                     te = ts + duration
                     end_date = start_date + datetime.timedelta(seconds=duration)
                 
-                query = get_filter_query(session, start_date, end_date, hashtags, tweet_exclude_table)
+                query = get_filter_query(session, start_date, end_date, hashtags, tweet_exclude_table, user_whitelist)
                     
                 query_res = query.all()