1 files changed, 62 insertions, 0 deletions
diff --git a/track_online.py b/track_online.py
new file mode 100644
index 0000000..c1bae37
--- /dev/null
+++ b/track_online.py
@@ -0,0 +1,62 @@
+# Copyright 2015 Egor Tensin <Egor.Tensin@gmail.com>
+# This file is licensed under the terms of the MIT License.
+# See LICENSE.txt for details.
+
+from datetime import datetime
+import time
+
+import api
+
+def users_get(user_ids):
+    return api.users_get(user_ids=','.join(user_ids),
+                         fields='online,last_seen')
+
+def log(s):
+    print('[{}] {}'.format(datetime.now().replace(microsecond=0), s))
+
+def format_user_name(user):
+    return '{} {}'.format(user['last_name'], user['first_name'])
+
+def user_is_online(user):
+    log('{} is ONLINE'.format(format_user_name(user)))
+
+def user_is_offline(user):
+    user_name = format_user_name(user)
+    log('{} is OFFLINE'.format(user_name))
+    last_seen = datetime.fromtimestamp(user['last_seen']['time'])
+    log('{} was last seen at {}'.format(user_name, last_seen))
+
+def user_went_online(user):
+    log('{} went ONLINE'.format(format_user_name(user)))
+
+def user_went_offline(user):
+    log('{} went OFFLINE'.format(format_user_name(user)))
+
+def print_user(status):
+    if status['online']:
+        user_is_online(status)
+    else:
+        user_is_offline(status)
+
+def print_user_update(status):
+    if status['online']:
+        user_went_online(status)
+    else:
+        user_went_offline(status)
+
+if __name__ == '__main__':
+    import argparse
+    parser = argparse.ArgumentParser()
+    parser.add_argument(metavar='UID', dest='user_ids', nargs='+',
+                        help='user IDs or "screen names"')
+    args = parser.parse_args()
+    users = users_get(args.user_ids)
+    for user in users:
+        print_user(user)
+    while True:
+        time.sleep(5)
+        updated_users = users_get(args.user_ids)
+        for i in range(len(updated_users)):
+            if users[i]['online'] != updated_users[i]['online']:
+                users[i] = updated_users[i]
+                print_user_update(updated_users[i])