Add get_chat_members method

pyrogram/client/methods/chats/__init__.py

@@ -18,6 +18,7 @@
 
 from .export_chat_invite_link import ExportChatInviteLink
 from .get_chat import GetChat
+from .get_chat_members import GetChatMembers
 from .join_chat import JoinChat
 from .kick_chat_member import KickChatMember
 from .leave_chat import LeaveChat
@@ -34,6 +35,7 @@ class Chats(
     KickChatMember,
     UnbanChatMember,
     RestrictChatMember,
-    PromoteChatMember
+    PromoteChatMember,
+    GetChatMembers
 ):
     pass

pyrogram/client/methods/chats/get_chat_members.py

@@ -0,0 +1,66 @@
+# 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/>.
+
+from pyrogram.api import functions, types
+from ...ext import BaseClient, utils
+
+
+class Filters:
+    ALL = "all"
+    KICKED = "kicked"
+    RESTRICTED = "restricted"
+    BOTS = "bots"
+    RECENT = "recent"
+    ADMINISTRATORS = "administrators"
+
+
+class GetChatMembers(BaseClient):
+    def get_chat_members(self,
+                         chat_id: int or str,
+                         offset: int = 0,
+                         limit: int = 200,
+                         query: str = "",
+                         filter: str = Filters.ALL):
+        filter = filter.lower()
+
+        if filter == Filters.ALL:
+            filter = types.ChannelParticipantsSearch(q=query)
+        elif filter == Filters.KICKED:
+            filter = types.ChannelParticipantsKicked(q=query)
+        elif filter == Filters.RESTRICTED:
+            filter = types.ChannelParticipantsBanned(q=query)
+        elif filter == Filters.BOTS:
+            filter = types.ChannelParticipantsBots()
+        elif filter == Filters.RECENT:
+            filter = types.ChannelParticipantsRecent()
+        elif filter == Filters.ADMINISTRATORS:
+            filter = types.ChannelParticipantsAdmins()
+        else:
+            raise ValueError("Invalid filter \"{}\"".format(filter))
+
+        return utils.parse_chat_members(
+            self.send(
+                functions.channels.GetParticipants(
+                    channel=self.resolve_peer(chat_id),
+                    filter=filter,
+                    offset=offset,
+                    limit=limit,
+                    hash=0
+                )
+            )
+        )