mirror of
https://github.com/LonamiWebs/Telethon.git
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813 lines
30 KiB
Python
813 lines
30 KiB
Python
import os
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from datetime import datetime, timedelta
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from functools import lru_cache
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from mimetypes import guess_type
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try:
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import socks
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except ImportError:
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socks = None
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from . import TelegramBareClient
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from . import helpers as utils
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from .errors import (
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RPCError, UnauthorizedError, InvalidParameterError, PhoneCodeEmptyError,
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PhoneCodeExpiredError, PhoneCodeHashEmptyError, PhoneCodeInvalidError
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)
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from .network import ConnectionMode
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from .tl import TLObject
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from .tl.functions.account import (
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GetPasswordRequest
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)
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from .tl.functions.auth import (
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CheckPasswordRequest, LogOutRequest, SendCodeRequest, SignInRequest,
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SignUpRequest, ImportBotAuthorizationRequest
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)
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from .tl.functions.contacts import (
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GetContactsRequest, ResolveUsernameRequest
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)
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from .tl.functions.messages import (
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GetDialogsRequest, GetHistoryRequest, ReadHistoryRequest, SendMediaRequest,
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SendMessageRequest
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)
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from .tl.functions.users import (
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GetUsersRequest
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)
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from .tl.types import (
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DocumentAttributeAudio, DocumentAttributeFilename,
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InputDocumentFileLocation, InputFileLocation,
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InputMediaUploadedDocument, InputMediaUploadedPhoto, InputPeerEmpty,
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Message, MessageMediaContact, MessageMediaDocument, MessageMediaPhoto,
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InputUserSelf, UserProfilePhoto, ChatPhoto, UpdateMessageID,
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UpdateNewMessage, UpdateShortSentMessage
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)
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from .utils import find_user_or_chat, get_extension
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class TelegramClient(TelegramBareClient):
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"""Full featured TelegramClient meant to extend the basic functionality -
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As opposed to the TelegramBareClient, this one features downloading
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media from different data centers, starting a second thread to
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handle updates, and some very common functionality.
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"""
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# region Initialization
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def __init__(self, session, api_id, api_hash,
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connection_mode=ConnectionMode.TCP_FULL,
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proxy=None,
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update_workers=None,
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timeout=timedelta(seconds=5),
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spawn_read_thread=True,
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**kwargs):
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"""Initializes the Telegram client with the specified API ID and Hash.
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Session can either be a `str` object (filename for the .session)
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or it can be a `Session` instance (in which case list_sessions()
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would probably not work). Pass 'None' for it to be a temporary
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session - remember to '.log_out()'!
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The 'connection_mode' should be any value under ConnectionMode.
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This will only affect how messages are sent over the network
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and how much processing is required before sending them.
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The integer 'update_workers' represents depending on its value:
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is None: Updates will *not* be stored in memory.
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= 0: Another thread is responsible for calling self.updates.poll()
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> 0: 'update_workers' background threads will be spawned, any
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any of them will invoke all the self.updates.handlers.
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If 'spawn_read_thread', a background thread will be started once
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an authorized user has been logged in to Telegram to read items
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(such as updates and responses) from the network as soon as they
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occur, which will speed things up.
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If you don't want to spawn any additional threads, pending updates
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will be read and processed accordingly after invoking a request
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and not immediately. This is useful if you don't care about updates
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at all and have set 'update_workers=None'.
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If more named arguments are provided as **kwargs, they will be
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used to update the Session instance. Most common settings are:
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device_model = platform.node()
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system_version = platform.system()
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app_version = TelegramClient.__version__
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lang_code = 'en'
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system_lang_code = lang_code
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report_errors = True
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"""
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super().__init__(
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session, api_id, api_hash,
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connection_mode=connection_mode,
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proxy=proxy,
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update_workers=update_workers,
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spawn_read_thread=spawn_read_thread,
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timeout=timeout,
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**kwargs
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)
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# Some fields to easy signing in
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self._phone_code_hash = None
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self._phone = None
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# endregion
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# region Telegram requests functions
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# region Authorization requests
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def send_code_request(self, phone):
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"""Sends a code request to the specified phone number"""
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if isinstance(phone, int):
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phone = str(phone)
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elif phone.startswith('+'):
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phone = phone.strip('+')
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result = self(SendCodeRequest(phone, self.api_id, self.api_hash))
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self._phone = phone
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self._phone_code_hash = result.phone_code_hash
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return result
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def sign_in(self, phone=None, code=None,
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password=None, bot_token=None):
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"""Completes the sign in process with the phone number + code pair.
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If no phone or code is provided, then the sole password will be used.
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The password should be used after a normal authorization attempt
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has happened and an SessionPasswordNeededError was raised.
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To login as a bot, only `bot_token` should be provided.
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This should equal to the bot access hash provided by
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https://t.me/BotFather during your bot creation.
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If the login succeeds, the logged in user is returned.
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"""
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if phone and not code:
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return self.send_code_request(phone)
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elif code:
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if self._phone is None:
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raise ValueError(
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'Please make sure to call send_code_request first.')
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try:
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if isinstance(code, int):
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code = str(code)
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result = self(SignInRequest(
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self._phone, self._phone_code_hash, code
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))
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except (PhoneCodeEmptyError, PhoneCodeExpiredError,
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PhoneCodeHashEmptyError, PhoneCodeInvalidError):
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return None
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elif password:
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salt = self(GetPasswordRequest()).current_salt
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result = self(CheckPasswordRequest(
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utils.get_password_hash(password, salt)
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))
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elif bot_token:
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result = self(ImportBotAuthorizationRequest(
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flags=0, bot_auth_token=bot_token,
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api_id=self.api_id, api_hash=self.api_hash
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))
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else:
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raise ValueError(
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'You must provide a phone and a code the first time, '
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'and a password only if an RPCError was raised before.'
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)
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self._set_connected_and_authorized()
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return result.user
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def sign_up(self, code, first_name, last_name=''):
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"""Signs up to Telegram. Make sure you sent a code request first!"""
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result = self(SignUpRequest(
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phone_number=self._phone,
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phone_code_hash=self._phone_code_hash,
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phone_code=code,
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first_name=first_name,
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last_name=last_name
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))
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self._set_connected_and_authorized()
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return result.user
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def log_out(self):
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"""Logs out and deletes the current session.
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Returns True if everything went okay."""
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try:
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self(LogOutRequest())
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except RPCError:
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return False
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self.disconnect()
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self.session.delete()
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self.session = None
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return True
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def get_me(self):
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"""Gets "me" (the self user) which is currently authenticated,
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or None if the request fails (hence, not authenticated)."""
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try:
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return self(GetUsersRequest([InputUserSelf()]))[0]
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except UnauthorizedError:
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return None
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# endregion
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# region Dialogs ("chats") requests
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def get_dialogs(self,
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limit=10,
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offset_date=None,
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offset_id=0,
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offset_peer=InputPeerEmpty()):
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"""Returns a tuple of lists ([dialogs], [entities])
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with at least 'limit' items each.
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If `limit` is 0, all dialogs will (should) retrieved.
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The `entities` represent the user, chat or channel
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corresponding to that dialog.
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"""
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r = self(
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GetDialogsRequest(
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offset_date=offset_date,
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offset_id=offset_id,
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offset_peer=offset_peer,
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limit=limit))
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return (
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r.dialogs,
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[find_user_or_chat(d.peer, r.users, r.chats) for d in r.dialogs])
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# endregion
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# region Message requests
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def send_message(self,
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entity,
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message,
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reply_to=None,
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link_preview=True):
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"""Sends a message to the given entity (or input peer)
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and returns the sent message as a Telegram object.
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If 'reply_to' is set to either a message or a message ID,
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the sent message will be replying to such message.
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"""
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entity = self.get_entity(entity)
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request = SendMessageRequest(
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peer=entity,
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message=message,
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entities=[],
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no_webpage=not link_preview,
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reply_to_msg_id=self._get_reply_to(reply_to)
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)
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result = self(request)
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if isinstance(result, UpdateShortSentMessage):
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return Message(
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id=result.id,
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to_id=entity,
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message=message,
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date=result.date,
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out=result.out,
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media=result.media,
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entities=result.entities
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)
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# Telegram seems to send updateMessageID first, then updateNewMessage,
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# however let's not rely on that just in case.
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msg_id = None
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for update in result.updates:
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if isinstance(update, UpdateMessageID):
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if update.random_id == request.random_id:
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msg_id = update.id
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break
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for update in result.updates:
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if isinstance(update, UpdateNewMessage):
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if update.message.id == msg_id:
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return update.message
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return None # Should not happen
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def get_message_history(self,
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entity,
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limit=20,
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offset_date=None,
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offset_id=0,
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max_id=0,
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min_id=0,
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add_offset=0):
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"""
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Gets the message history for the specified entity
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:param entity: The entity from whom to retrieve the message history
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:param limit: Number of messages to be retrieved
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:param offset_date: Offset date (messages *previous* to this date will be retrieved)
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:param offset_id: Offset message ID (only messages *previous* to the given ID will be retrieved)
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:param max_id: All the messages with a higher (newer) ID or equal to this will be excluded
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:param min_id: All the messages with a lower (older) ID or equal to this will be excluded
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:param add_offset: Additional message offset (all of the specified offsets + this offset = older messages)
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:return: A tuple containing total message count and two more lists ([messages], [senders]).
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Note that the sender can be null if it was not found!
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The entity may be a phone or an username at the expense of
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some performance loss.
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"""
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result = self(GetHistoryRequest(
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peer=self.get_entity(entity),
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limit=limit,
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offset_date=offset_date,
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offset_id=offset_id,
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max_id=max_id,
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min_id=min_id,
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add_offset=add_offset
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))
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# The result may be a messages slice (not all messages were retrieved)
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# or simply a messages TLObject. In the later case, no "count"
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# attribute is specified, so the total messages count is simply
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# the count of retrieved messages
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total_messages = getattr(result, 'count', len(result.messages))
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# Iterate over all the messages and find the sender User
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entities = [find_user_or_chat(m.from_id, result.users, result.chats)
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if m.from_id is not None else
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find_user_or_chat(m.to_id, result.users, result.chats)
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for m in result.messages]
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return total_messages, result.messages, entities
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def send_read_acknowledge(self, entity, messages=None, max_id=None):
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"""Sends a "read acknowledge" (i.e., notifying the given peer that we've
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read their messages, also known as the "double check").
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Either a list of messages (or a single message) can be given,
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or the maximum message ID (until which message we want to send the read acknowledge).
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Returns an AffectedMessages TLObject
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The entity may be a phone or an username at the expense of
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some performance loss.
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"""
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if max_id is None:
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if not messages:
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raise InvalidParameterError(
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'Either a message list or a max_id must be provided.')
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if isinstance(messages, list):
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max_id = max(msg.id for msg in messages)
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else:
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max_id = messages.id
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return self(ReadHistoryRequest(
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peer=self.get_entity(entity),
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max_id=max_id
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))
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@staticmethod
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def _get_reply_to(reply_to):
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"""Sanitizes the 'reply_to' parameter a user may send"""
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if reply_to is None:
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return None
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if isinstance(reply_to, int):
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return reply_to
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if isinstance(reply_to, TLObject) and \
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type(reply_to).SUBCLASS_OF_ID == 0x790009e3:
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# hex(crc32(b'Message')) = 0x790009e3
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return reply_to.id
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raise ValueError('Invalid reply_to type: ', type(reply_to))
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# endregion
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# region Uploading files
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def send_file(self, entity, file, caption='',
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force_document=False, progress_callback=None,
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reply_to=None,
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**kwargs):
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"""Sends a file to the specified entity.
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The file may either be a path, a byte array, or a stream.
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An optional caption can also be specified for said file.
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If "force_document" is False, the file will be sent as a photo
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if it's recognised to have a common image format (e.g. .png, .jpg).
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Otherwise, the file will always be sent as an uncompressed document.
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Subsequent calls with the very same file will result in
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immediate uploads, unless .clear_file_cache() is called.
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If "progress_callback" is not None, it should be a function that
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takes two parameters, (bytes_uploaded, total_bytes).
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The "reply_to" parameter works exactly as the one on .send_message.
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If "is_voice_note" in kwargs, despite its value, and the file is
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sent as a document, it will be sent as a voice note.
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The entity may be a phone or an username at the expense of
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some performance loss.
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"""
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as_photo = False
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if isinstance(file, str):
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lowercase_file = file.lower()
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as_photo = any(
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lowercase_file.endswith(ext)
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for ext in ('.png', '.jpg', '.gif', '.jpeg')
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)
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file_hash = hash(file)
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if file_hash in self._upload_cache:
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file_handle = self._upload_cache[file_hash]
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else:
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self._upload_cache[file_hash] = file_handle = self.upload_file(
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file, progress_callback=progress_callback
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)
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if as_photo and not force_document:
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media = InputMediaUploadedPhoto(file_handle, caption)
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else:
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mime_type = None
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if isinstance(file, str):
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# Determine mime-type and attributes
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# Take the first element by using [0] since it returns a tuple
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mime_type = guess_type(file)[0]
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attributes = [
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DocumentAttributeFilename(os.path.abspath(file))
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# TODO If the input file is an audio, find out:
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# Performer and song title and add DocumentAttributeAudio
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]
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else:
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attributes = [DocumentAttributeFilename('unnamed')]
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if 'is_voice_note' in kwargs:
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attributes.append(DocumentAttributeAudio(0, voice=True))
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# Ensure we have a mime type, any; but it cannot be None
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# 'The "octet-stream" subtype is used to indicate that a body
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# contains arbitrary binary data.'
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if not mime_type:
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mime_type = 'application/octet-stream'
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media = InputMediaUploadedDocument(
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file=file_handle,
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mime_type=mime_type,
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attributes=attributes,
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caption=caption
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)
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# Once the media type is properly specified and the file uploaded,
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# send the media message to the desired entity.
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self(SendMediaRequest(
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peer=self.get_entity(entity),
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media=media,
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reply_to_msg_id=self._get_reply_to(reply_to)
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))
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def send_voice_note(self, entity, file, caption='', upload_progress=None,
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reply_to=None):
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"""Wrapper method around .send_file() with is_voice_note=()"""
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return self.send_file(entity, file, caption,
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upload_progress=upload_progress,
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reply_to=reply_to,
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is_voice_note=()) # empty tuple is enough
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def clear_file_cache(self):
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"""Calls to .send_file() will cache the remote location of the
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uploaded files so that subsequent files can be immediate, so
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uploading the same file path will result in using the cached
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version. To avoid this a call to this method should be made.
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"""
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self._upload_cache.clear()
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# endregion
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# region Downloading media requests
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def download_profile_photo(self, entity, file=None, download_big=True):
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"""Downloads the profile photo for an user or a chat (channels too).
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Returns None if no photo was provided, or if it was Empty.
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If an entity itself (an user, chat or channel) is given, the photo
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to be downloaded will be downloaded automatically.
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On success, the file path is returned since it may differ from
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the one provided.
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The specified output file can either be a file path, a directory,
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or a stream-like object. If the path exists and is a file, it will
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be overwritten.
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The entity may be a phone or an username at the expense of
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some performance loss.
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"""
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possible_names = []
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if not isinstance(entity, TLObject) or type(entity).subclass_of_id in (
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0x2da17977, 0xc5af5d94, 0x1f4661b9, 0xd49a2697
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):
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# Maybe it is an user or a chat? Or their full versions?
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#
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# The hexadecimal numbers above are simply:
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# hex(crc32(x.encode('ascii'))) for x in
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# ('User', 'Chat', 'UserFull', 'ChatFull')
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entity = self.get_entity(entity)
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if not hasattr(entity, 'photo'):
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# Special case: may be a ChatFull with photo:Photo
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# This is different from a normal UserProfilePhoto and Chat
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if hasattr(entity, 'chat_photo'):
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return self._download_photo(
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entity.chat_photo, file,
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date=None, progress_callback=None
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)
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else:
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# Give up
|
|
return None
|
|
|
|
for attr in ('username', 'first_name', 'title'):
|
|
possible_names.append(getattr(entity, attr, None))
|
|
|
|
entity = entity.photo
|
|
|
|
if not isinstance(entity, UserProfilePhoto) and \
|
|
not isinstance(entity, ChatPhoto):
|
|
return None
|
|
|
|
if download_big:
|
|
photo_location = entity.photo_big
|
|
else:
|
|
photo_location = entity.photo_small
|
|
|
|
file = self._get_proper_filename(
|
|
file, 'profile_photo', '.jpg',
|
|
possible_names=possible_names
|
|
)
|
|
|
|
# Download the media with the largest size input file location
|
|
self.download_file(
|
|
InputFileLocation(
|
|
volume_id=photo_location.volume_id,
|
|
local_id=photo_location.local_id,
|
|
secret=photo_location.secret
|
|
),
|
|
file
|
|
)
|
|
return file
|
|
|
|
def download_media(self, message, file=None, progress_callback=None):
|
|
"""Downloads the media from a specified Message (it can also be
|
|
the message.media) into the desired file (a stream or str),
|
|
optionally finding its extension automatically.
|
|
|
|
The specified output file can either be a file path, a directory,
|
|
or a stream-like object. If the path exists and is a file, it will
|
|
be overwritten.
|
|
|
|
If the operation succeeds, the path will be returned (since
|
|
the extension may have been added automatically). Otherwise,
|
|
None is returned.
|
|
|
|
The progress_callback should be a callback function which takes
|
|
two parameters, uploaded size and total file size (both in bytes).
|
|
This will be called every time a part is downloaded
|
|
"""
|
|
# TODO This won't work for messageService
|
|
if isinstance(message, Message):
|
|
date = message.date
|
|
media = message.media
|
|
else:
|
|
date = datetime.now()
|
|
media = message
|
|
|
|
if isinstance(media, MessageMediaPhoto):
|
|
return self._download_photo(
|
|
media, file, date, progress_callback
|
|
)
|
|
elif isinstance(media, MessageMediaDocument):
|
|
return self._download_document(
|
|
media, file, date, progress_callback
|
|
)
|
|
elif isinstance(media, MessageMediaContact):
|
|
return self._download_contact(
|
|
media, file
|
|
)
|
|
|
|
def _download_photo(self, mm_photo, file, date, progress_callback):
|
|
"""Specialized version of .download_media() for photos"""
|
|
|
|
# Determine the photo and its largest size
|
|
photo = mm_photo.photo
|
|
largest_size = photo.sizes[-1]
|
|
file_size = largest_size.size
|
|
largest_size = largest_size.location
|
|
|
|
file = self._get_proper_filename(file, 'photo', '.jpg', date=date)
|
|
|
|
# Download the media with the largest size input file location
|
|
self.download_file(
|
|
InputFileLocation(
|
|
volume_id=largest_size.volume_id,
|
|
local_id=largest_size.local_id,
|
|
secret=largest_size.secret
|
|
),
|
|
file,
|
|
file_size=file_size,
|
|
progress_callback=progress_callback
|
|
)
|
|
return file
|
|
|
|
def _download_document(self, mm_doc, file, date, progress_callback):
|
|
"""Specialized version of .download_media() for documents"""
|
|
document = mm_doc.document
|
|
file_size = document.size
|
|
|
|
possible_names = []
|
|
for attr in document.attributes:
|
|
if isinstance(attr, DocumentAttributeFilename):
|
|
possible_names.insert(0, attr.file_name)
|
|
|
|
elif isinstance(attr, DocumentAttributeAudio):
|
|
possible_names.append('{} - {}'.format(
|
|
attr.performer, attr.title
|
|
))
|
|
|
|
file = self._get_proper_filename(
|
|
file, 'document', get_extension(mm_doc),
|
|
date=date, possible_names=possible_names
|
|
)
|
|
|
|
self.download_file(
|
|
InputDocumentFileLocation(
|
|
id=document.id,
|
|
access_hash=document.access_hash,
|
|
version=document.version
|
|
),
|
|
file,
|
|
file_size=file_size,
|
|
progress_callback=progress_callback
|
|
)
|
|
return file
|
|
|
|
@staticmethod
|
|
def _download_contact(mm_contact, file):
|
|
"""Specialized version of .download_media() for contacts.
|
|
Will make use of the vCard 4.0 format
|
|
"""
|
|
first_name = mm_contact.first_name
|
|
last_name = mm_contact.last_name
|
|
phone_number = mm_contact.phone_number
|
|
|
|
if isinstance(file, str):
|
|
file = TelegramClient._get_proper_filename(
|
|
file, 'contact', '.vcard',
|
|
possible_names=[first_name, phone_number, last_name]
|
|
)
|
|
f = open(file, 'w', encoding='utf-8')
|
|
else:
|
|
f = file
|
|
|
|
try:
|
|
f.write('BEGIN:VCARD\n')
|
|
f.write('VERSION:4.0\n')
|
|
f.write('N:{};{};;;\n'.format(
|
|
first_name, last_name if last_name else '')
|
|
)
|
|
f.write('FN:{}\n'.format(' '.join((first_name, last_name))))
|
|
f.write('TEL;TYPE=cell;VALUE=uri:tel:+{}\n'.format(
|
|
phone_number))
|
|
f.write('END:VCARD\n')
|
|
finally:
|
|
# Only close the stream if we opened it
|
|
if isinstance(file, str):
|
|
f.close()
|
|
|
|
return file
|
|
|
|
@staticmethod
|
|
def _get_proper_filename(file, kind, extension,
|
|
date=None, possible_names=None):
|
|
"""Gets a proper filename for 'file', if this is a path.
|
|
|
|
'kind' should be the kind of the output file (photo, document...)
|
|
'extension' should be the extension to be added to the file if
|
|
the filename doesn't have any yet
|
|
'date' should be when this file was originally sent, if known
|
|
'possible_names' should be an ordered list of possible names
|
|
|
|
If no modification is made to the path, any existing file
|
|
will be overwritten.
|
|
If any modification is made to the path, this method will
|
|
ensure that no existing file will be overwritten.
|
|
"""
|
|
if file is not None and not isinstance(file, str):
|
|
# Probably a stream-like object, we cannot set a filename here
|
|
return file
|
|
|
|
if file is None:
|
|
file = ''
|
|
elif os.path.isfile(file):
|
|
# Make no modifications to valid existing paths
|
|
return file
|
|
|
|
if os.path.isdir(file) or not file:
|
|
try:
|
|
name = None if possible_names is None else next(
|
|
x for x in possible_names if x
|
|
)
|
|
except StopIteration:
|
|
name = None
|
|
|
|
if not name:
|
|
name = '{}_{}-{:02}-{:02}_{:02}-{:02}-{:02}'.format(
|
|
kind,
|
|
date.year, date.month, date.day,
|
|
date.hour, date.minute, date.second,
|
|
)
|
|
file = os.path.join(file, name)
|
|
|
|
directory, name = os.path.split(file)
|
|
name, ext = os.path.splitext(name)
|
|
if not ext:
|
|
ext = extension
|
|
|
|
result = os.path.join(directory, name + ext)
|
|
if not os.path.isfile(result):
|
|
return result
|
|
|
|
i = 1
|
|
while True:
|
|
result = os.path.join(directory, '{} ({}){}'.format(name, i, ext))
|
|
if not os.path.isfile(result):
|
|
return result
|
|
i += 1
|
|
|
|
# endregion
|
|
|
|
# endregion
|
|
|
|
# region Small utilities to make users' life easier
|
|
|
|
@lru_cache()
|
|
def get_entity(self, entity):
|
|
"""Turns an entity into a valid Telegram user or chat.
|
|
If "entity" is a string, and starts with '+', or if
|
|
it is an integer value, it will be resolved as if it
|
|
were a phone number.
|
|
|
|
If "entity" is a string and doesn't start with '+', or
|
|
it starts with '@', it will be resolved from the username.
|
|
If no exact match is returned, an error will be raised.
|
|
|
|
If the entity is neither, and it's not a TLObject, an
|
|
error will be raised.
|
|
"""
|
|
# TODO Maybe cache both the contacts and the entities.
|
|
# If an user cannot be found, force a cache update through
|
|
# a public method (since users may change their username)
|
|
if isinstance(entity, TLObject):
|
|
return entity
|
|
|
|
if isinstance(entity, int):
|
|
entity = '+{}'.format(entity) # Turn it into a phone-like str
|
|
|
|
if isinstance(entity, str):
|
|
if entity.startswith('+'):
|
|
contacts = self(GetContactsRequest(0))
|
|
try:
|
|
stripped_phone = entity.strip('+')
|
|
return next(
|
|
u for u in contacts.users
|
|
if u.phone and u.phone.endswith(stripped_phone)
|
|
)
|
|
except StopIteration:
|
|
raise ValueError(
|
|
'Could not find user with phone {}, '
|
|
'add them to your contacts first'.format(entity)
|
|
)
|
|
else:
|
|
username = entity.strip('@').lower()
|
|
resolved = self(ResolveUsernameRequest(username))
|
|
for c in resolved.chats:
|
|
if getattr(c, 'username', '').lower() == username:
|
|
return c
|
|
for u in resolved.users:
|
|
if getattr(u, 'username', '').lower() == username:
|
|
return u
|
|
|
|
raise ValueError(
|
|
'Could not find user with username {}'.format(entity)
|
|
)
|
|
|
|
raise ValueError(
|
|
'Cannot turn "{}" into any entity (user or chat)'.format(entity)
|
|
)
|
|
|
|
# endregion
|