From 3ab60034bc8a71df3791d8ba32ca46cad120af4c Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Mon, 9 Sep 2019 18:43:21 +0300
Subject: add show_status.py

---
 bin/show_status.py            | 39 +++++++++++++++++++++++++++++++++++++++
 vk/tracking/status_tracker.py |  6 +++++-
 2 files changed, 44 insertions(+), 1 deletion(-)
 create mode 100644 bin/show_status.py

diff --git a/bin/show_status.py b/bin/show_status.py
new file mode 100644
index 0000000..74e1ac8
--- /dev/null
+++ b/bin/show_status.py
@@ -0,0 +1,39 @@
+# Copyright (c) 2019 Egor Tensin <Egor.Tensin@gmail.com>
+# This file is part of the "VK scripts" project.
+# For details, see https://github.com/egor-tensin/vk-scripts.
+# Distributed under the MIT License.
+
+import argparse, sys
+
+from vk.api import API
+from vk.tracking import StatusTracker
+from vk.tracking.db import Format as DatabaseFormat
+
+def _parse_args(args=None):
+    if args is None:
+        args = sys.argv[1:]
+
+    parser = argparse.ArgumentParser(
+        description='Show if people are online/offline.')
+
+    parser.add_argument('uids', metavar='UID', nargs='+',
+                        help='user IDs or "screen names"')
+    parser.add_argument('-l', '--log', metavar='PATH', dest='log_path',
+                        help='set log file path (standard output by default)')
+
+    return parser.parse_args(args)
+
+def track_status(uids, log_path=None):
+    api = API()
+    tracker = StatusTracker(api)
+
+    with DatabaseFormat.LOG.open_output_file(log_path) as log_fd:
+        log_writer = DatabaseFormat.LOG.create_writer(log_fd)
+        tracker.add_database_writer(log_writer)
+        tracker.query_status(uids)
+
+def main(args=None):
+    track_status(**vars(_parse_args(args)))
+
+if __name__ == '__main__':
+    main()
diff --git a/vk/tracking/status_tracker.py b/vk/tracking/status_tracker.py
index e1a3216..8b90d1c 100644
--- a/vk/tracking/status_tracker.py
+++ b/vk/tracking/status_tracker.py
@@ -85,10 +85,14 @@ class StatusTracker:
                 old_users[uid] = user
                 yield user
 
-    def _do_loop(self, uids):
+    def query_status(self, uids):
         users = self._query_initial_status(uids)
         for user in users.values():
             self._notify_status(user)
+        return users
+
+    def _do_loop(self, uids):
+        users = self.query_status(uids)
         while True:
             updated_users = self._query_status_updates(uids)
             for user in self._filter_status_updates(users, updated_users):
-- 
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