MTPyroger/pyrogram/client/methods/chats/iter_chat_members.py
2020-03-30 17:45:18 +02:00

142 lines
4.8 KiB
Python

# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2020 Dan <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 string import ascii_lowercase
from typing import Union, Generator, Optional
import pyrogram
from async_generator import async_generator, yield_
from pyrogram.api import types
from ...ext import BaseClient
class Filters:
ALL = "all"
KICKED = "kicked"
RESTRICTED = "restricted"
BOTS = "bots"
RECENT = "recent"
ADMINISTRATORS = "administrators"
QUERIES = [""] + [str(i) for i in range(10)] + list(ascii_lowercase)
QUERYABLE_FILTERS = (Filters.ALL, Filters.KICKED, Filters.RESTRICTED)
class IterChatMembers(BaseClient):
@async_generator
async def iter_chat_members(
self,
chat_id: Union[int, str],
limit: int = 0,
query: str = "",
filter: str = Filters.ALL
) -> Optional[Generator["pyrogram.ChatMember", None, None]]:
"""Iterate through the members of a chat sequentially.
This convenience method does the same as repeatedly calling :meth:`~Client.get_chat_members` in a loop, thus saving you
from the hassle of setting up boilerplate code. It is useful for getting the whole members list of a chat with
a single call.
Parameters:
chat_id (``int`` | ``str``):
Unique identifier (int) or username (str) of the target chat.
limit (``int``, *optional*):
Limits the number of members to be retrieved.
By default, no limit is applied and all members are returned.
query (``str``, *optional*):
Query string to filter members based on their display names and usernames.
Defaults to "" (empty string).
filter (``str``, *optional*):
Filter used to select the kind of members you want to retrieve. Only applicable for supergroups
and channels. It can be any of the followings:
*"all"* - all kind of members,
*"kicked"* - kicked (banned) members only,
*"restricted"* - restricted members only,
*"bots"* - bots only,
*"recent"* - recent members only,
*"administrators"* - chat administrators only.
Defaults to *"all"*.
Returns:
``Generator``: A generator yielding :obj:`ChatMember` objects.
Example:
.. code-block:: python
# Iterate though all chat members
for member in app.iter_chat_members("pyrogramchat"):
print(member.user.first_name)
# Iterate though all administrators
for member in app.iter_chat_members("pyrogramchat", filter="administrators"):
print(member.user.first_name)
# Iterate though all bots
for member in app.iter_chat_members("pyrogramchat", filter="bots"):
print(member.user.first_name)
"""
current = 0
yielded = set()
queries = [query] if query else QUERIES
total = limit or (1 << 31) - 1
limit = min(200, total)
resolved_chat_id = await self.resolve_peer(chat_id)
if filter not in QUERYABLE_FILTERS:
queries = [""]
for q in queries:
offset = 0
while True:
chat_members = await self.get_chat_members(
chat_id=chat_id,
offset=offset,
limit=limit,
query=q,
filter=filter
)
if not chat_members:
break
if isinstance(resolved_chat_id, types.InputPeerChat):
total = len(chat_members)
offset += len(chat_members)
for chat_member in chat_members:
user_id = chat_member.user.id
if user_id in yielded:
continue
await yield_(chat_member)
yielded.add(chat_member.user.id)
current += 1
if current >= total:
return