Add Storage abstract class

pyrogram/client/storage/storage.py

@@ -0,0 +1,98 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+
+class Storage:
+    def __init__(self, name: str):
+        self.name = name
+
+    def open(self):
+        raise NotImplementedError
+
+    def save(self):
+        raise NotImplementedError
+
+    def close(self):
+        raise NotImplementedError
+
+    def update_peers(self, peers):
+        raise NotImplementedError
+
+    def get_peer_by_id(self, peer_id):
+        raise NotImplementedError
+
+    def get_peer_by_username(self, username):
+        raise NotImplementedError
+
+    def get_peer_by_phone_number(self, phone_number):
+        raise NotImplementedError
+
+    def export_session_string(self):
+        raise NotImplementedError
+
+    @property
+    def peers_count(self):
+        raise NotImplementedError
+
+    @property
+    def dc_id(self):
+        raise NotImplementedError
+
+    @dc_id.setter
+    def dc_id(self, value):
+        raise NotImplementedError
+
+    @property
+    def test_mode(self):
+        raise NotImplementedError
+
+    @test_mode.setter
+    def test_mode(self, value):
+        raise NotImplementedError
+
+    @property
+    def auth_key(self):
+        raise NotImplementedError
+
+    @auth_key.setter
+    def auth_key(self, value):
+        raise NotImplementedError
+
+    @property
+    def date(self):
+        raise NotImplementedError
+
+    @date.setter
+    def date(self, value):
+        raise NotImplementedError
+
+    @property
+    def user_id(self):
+        raise NotImplementedError
+
+    @user_id.setter
+    def user_id(self, value):
+        raise NotImplementedError
+
+    @property
+    def is_bot(self):
+        raise NotImplementedError
+
+    @is_bot.setter
+    def is_bot(self, value):
+        raise NotImplementedError