Add get_chat_members.py

delivrance · delivrance · commit aad72ed9b2fb · 2018-10-09T14:37:22.000+02:00
diff --git a/examples/get_chat_members.py b/examples/get_chat_members.py
@@ -0,0 +1,45 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 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/>.
+
+import time
+
+from pyrogram import Client
+from pyrogram.api.errors import FloodWait
+
+app = Client("my_account")
+
+target = "pyrogramchat"  # Target channel/supergroup
+members = []  # List that will contain all the members of the target chat
+offset = 0  # Offset starts at 0
+limit = 200  # Amount of users to retrieve for each API call (max 200)
+
+with app:
+    while True:
+        try:
+            chunk = app.get_chat_members(target, offset)
+        except FloodWait as e:  # Very large chats could trigger FloodWait
+            time.sleep(e.x)  # When it happens, wait X seconds and try again
+            continue
+
+        if not chunk.chat_members:
+            break  # No more members left
+
+        members.extend(chunk.chat_members)
+        offset += len(chunk.chat_members)
+
+# Now the "members" list contains all the members of the target chat
