147 lines
4.9 KiB
Python
147 lines
4.9 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2020 Dan <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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from string import ascii_lowercase
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from typing import Union, Generator
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import pyrogram
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from pyrogram.api import types
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from ...ext import BaseClient
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class Filters:
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ALL = "all"
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KICKED = "kicked"
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RESTRICTED = "restricted"
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BOTS = "bots"
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RECENT = "recent"
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ADMINISTRATORS = "administrators"
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QUERIES = [""] + [str(i) for i in range(10)] + list(ascii_lowercase)
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QUERYABLE_FILTERS = (Filters.ALL, Filters.KICKED, Filters.RESTRICTED)
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class IterChatMembers(BaseClient):
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def iter_chat_members(
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self,
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chat_id: Union[int, str],
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limit: int = 0,
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query: str = "",
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filter: str = Filters.ALL
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) -> Generator["pyrogram.ChatMember", None, None]:
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"""Iterate through the members of a chat sequentially.
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This convenience method does the same as repeatedly calling :meth:`~Client.get_chat_members` in a loop, thus saving you
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from the hassle of setting up boilerplate code. It is useful for getting the whole members list of a chat with
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a single call.
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Parameters:
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chat_id (``int`` | ``str``):
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Unique identifier (int) or username (str) of the target chat.
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limit (``int``, *optional*):
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Limits the number of members to be retrieved.
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By default, no limit is applied and all members are returned.
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query (``str``, *optional*):
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Query string to filter members based on their display names and usernames.
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Defaults to "" (empty string).
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filter (``str``, *optional*):
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Filter used to select the kind of members you want to retrieve. Only applicable for supergroups
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and channels. It can be any of the followings:
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*"all"* - all kind of members,
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*"kicked"* - kicked (banned) members only,
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*"restricted"* - restricted members only,
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*"bots"* - bots only,
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*"recent"* - recent members only,
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*"administrators"* - chat administrators only.
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Defaults to *"all"*.
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Returns:
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``Generator``: A generator yielding :obj:`ChatMember` objects.
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Example:
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.. code-block:: python
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# Iterate though all chat members
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for member in app.iter_chat_members("pyrogramchat"):
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print(member.user.first_name)
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# Iterate though all administrators
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for member in app.iter_chat_members("pyrogramchat", filter="administrators"):
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print(member.user.first_name)
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# Iterate though all bots
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for member in app.iter_chat_members("pyrogramchat", filter="bots"):
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print(member.user.first_name)
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"""
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current = 0
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yielded = set()
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queries = [query] if query else QUERIES
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total = limit or (1 << 31) - 1
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limit = min(200, total)
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resolved_chat_id = self.resolve_peer(chat_id)
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filter = (
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Filters.RECENT
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if (not query
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and filter == Filters.ALL
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and self.get_chat_members_count(chat_id) <= 10000)
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else filter
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)
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if filter not in QUERYABLE_FILTERS:
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queries = [""]
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for q in queries:
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offset = 0
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while True:
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chat_members = self.get_chat_members(
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chat_id=chat_id,
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offset=offset,
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limit=limit,
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query=q,
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filter=filter
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)
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if not chat_members:
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break
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if isinstance(resolved_chat_id, types.InputPeerChat):
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total = len(chat_members)
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offset += len(chat_members)
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for chat_member in chat_members:
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user_id = chat_member.user.id
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if user_id in yielded:
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continue
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yield chat_member
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yielded.add(chat_member.user.id)
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current += 1
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if current >= total:
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return
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