1 files changed, 0 insertions, 99 deletions
diff --git a/vk/utils/tracking/status_tracker.py b/vk/utils/tracking/status_tracker.py
deleted file mode 100644
index 3d1f032..0000000
--- a/vk/utils/tracking/status_tracker.py
+++ /dev/null
@@ -1,99 +0,0 @@
-# Copyright 2016 Egor Tensin <Egor.Tensin@gmail.com>
-# This file is licensed under the terms of the MIT License.
-# See LICENSE.txt for details.
-
-from collections import Callable
-import time
-
-import vk.error
-from vk.user import UserField
-
-class StatusTracker:
-    DEFAULT_TIMEOUT = 5
-
-    def __init__(self, api, timeout=DEFAULT_TIMEOUT):
-        self._api = api
-        self._timeout = timeout
-        self._on_initial_status = []
-        self._on_status_update = []
-        self._on_connection_error = []
-
-    def _wait_after_connection_error(self):
-        time.sleep(self._timeout)
-
-    def add_database_writer(self, writer):
-        self.add_initial_status_handler(lambda user: writer.on_initial_status(user))
-        self.add_status_update_handler(lambda user: writer.on_status_update(user))
-        self.add_connection_error_handler(lambda e: writer.on_connection_error(e))
-
-    def add_initial_status_handler(self, fn):
-        self._assert_is_callback(fn)
-        self._on_initial_status.append(fn)
-
-    def add_status_update_handler(self, fn):
-        self._assert_is_callback(fn)
-        self._on_status_update.append(fn)
-
-    def add_connection_error_handler(self, fn):
-        self._assert_is_callback(fn)
-        self._on_connection_error.append(fn)
-
-    @staticmethod
-    def _assert_is_callback(fn):
-        if not isinstance(fn, Callable):
-            raise TypeError()
-
-    _USER_FIELDS = UserField.SCREEN_NAME, UserField.ONLINE, UserField.LAST_SEEN
-
-    def _query_status(self, uids):
-        return {user.get_uid(): user for user in self._api.users_get(uids, self._USER_FIELDS)}
-
-    def _notify_status(self, user):
-        for fn in self._on_initial_status:
-            fn(user)
-
-    def _notify_status_update(self, user):
-        for fn in self._on_status_update:
-            fn(user)
-
-    def _notify_connection_error(self, e):
-        for fn in self._on_connection_error:
-            fn(e)
-
-    def _query_initial_status(self, uids):
-        while True:
-            try:
-                return self._query_status(uids)
-            except vk.error.ConnectionError as e:
-                self._notify_connection_error(e)
-                self._wait_after_connection_error()
-
-    def _query_status_updates(self, uids):
-        while True:
-            self._wait_after_connection_error()
-            try:
-                return self._query_status(uids)
-            except vk.error.ConnectionError as e:
-                self._notify_connection_error(e)
-
-    @staticmethod
-    def _filter_status_updates(old_users, new_users):
-        for uid, user in new_users.items():
-            if old_users[uid].is_online() != user.is_online():
-                old_users[uid] = user
-                yield user
-
-    def _do_loop(self, uids):
-        users = self._query_initial_status(uids)
-        for user in users.values():
-            self._notify_status(user)
-        while True:
-            updated_users = self._query_status_updates(uids)
-            for user in self._filter_status_updates(users, updated_users):
-                self._notify_status_update(user)
-
-    def loop(self, uids):
-        try:
-            self._do_loop(uids)
-        except KeyboardInterrupt:
-            pass