mirror of
https://github.com/LonamiWebs/Telethon.git
synced 2024-11-24 18:33:44 +03:00
373 lines
13 KiB
Python
373 lines
13 KiB
Python
import asyncio
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import collections
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import functools
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import inspect
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import os
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import re
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import sys
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import time
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import tkinter
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import tkinter.constants
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import tkinter.scrolledtext
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import tkinter.ttk
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from telethon import TelegramClient, events, utils
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# Some configuration for the app
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TITLE = 'Telethon GUI'
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SIZE = '640x280'
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REPLY = re.compile(r'\.r\s*(\d+)\s*(.+)', re.IGNORECASE)
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DELETE = re.compile(r'\.d\s*(\d+)', re.IGNORECASE)
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EDIT = re.compile(r'\.s(.+?[^\\])/(.*)', re.IGNORECASE)
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def get_env(name, message, cast=str):
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if name in os.environ:
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return os.environ[name]
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while True:
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value = input(message)
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try:
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return cast(value)
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except ValueError as e:
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print(e, file=sys.stderr)
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time.sleep(1)
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# Session name, API ID and hash to use; loaded from environmental variables
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SESSION = os.environ.get('TG_SESSION', 'gui')
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API_ID = get_env('TG_API_ID', 'Enter your API ID: ', int)
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API_HASH = get_env('TG_API_HASH', 'Enter your API hash: ')
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def sanitize_str(string):
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return ''.join(x if ord(x) <= 0xffff else
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'{{{:x}ū}}'.format(ord(x)) for x in string)
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def callback(func):
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"""
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This decorator turns `func` into a callback for Tkinter
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to be able to use, even if `func` is an awaitable coroutine.
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"""
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@functools.wraps(func)
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def wrapped(*args, **kwargs):
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result = func(*args, **kwargs)
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if inspect.iscoroutine(result):
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asyncio.create_task(result)
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return wrapped
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def allow_copy(widget):
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"""
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This helper makes `widget` readonly but allows copying with ``Ctrl+C``.
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"""
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widget.bind('<Control-c>', lambda e: None)
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widget.bind('<Key>', lambda e: "break")
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class App(tkinter.Tk):
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"""
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Our main GUI application; we subclass `tkinter.Tk`
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so the `self` instance can be the root widget.
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One must be careful when assigning members or
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defining methods since those may interfer with
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the root widget.
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You may prefer to have ``App.root = tkinter.Tk()``
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and create widgets with ``self.root`` as parent.
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"""
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def __init__(self, client, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.cl = client
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self.me = None
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self.title(TITLE)
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self.geometry(SIZE)
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# Signing in row; the entry supports phone and bot token
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self.sign_in_label = tkinter.Label(self, text='Loading...')
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self.sign_in_label.grid(row=0, column=0)
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self.sign_in_entry = tkinter.Entry(self)
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self.sign_in_entry.grid(row=0, column=1, sticky=tkinter.EW)
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self.sign_in_entry.bind('<Return>', self.sign_in)
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self.sign_in_button = tkinter.Button(self, text='...',
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command=self.sign_in)
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self.sign_in_button.grid(row=0, column=2)
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self.code = None
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# The chat where to send and show messages from
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tkinter.Label(self, text='Target chat:').grid(row=1, column=0)
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self.chat = tkinter.Entry(self)
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self.chat.grid(row=1, column=1, columnspan=2, sticky=tkinter.EW)
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self.columnconfigure(1, weight=1)
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self.chat.bind('<Return>', self.check_chat)
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self.chat.bind('<FocusOut>', self.check_chat)
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self.chat.focus()
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self.chat_id = None
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# Message log (incoming and outgoing); we configure it as readonly
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self.log = tkinter.scrolledtext.ScrolledText(self)
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allow_copy(self.log)
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self.log.grid(row=2, column=0, columnspan=3, sticky=tkinter.NSEW)
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self.rowconfigure(2, weight=1)
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self.cl.add_event_handler(self.on_message, events.NewMessage)
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# Save shown message IDs to support replying with ".rN reply"
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# For instance to reply to the last message ".r1 this is a reply"
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# Deletion also works with ".dN".
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self.message_ids = []
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# Save the sent texts to allow editing with ".s text/replacement"
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# For instance to edit the last "hello" with "bye" ".s hello/bye"
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self.sent_text = collections.deque(maxlen=10)
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# Sending messages
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tkinter.Label(self, text='Message:').grid(row=3, column=0)
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self.message = tkinter.Entry(self)
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self.message.grid(row=3, column=1, sticky=tkinter.EW)
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self.message.bind('<Return>', self.send_message)
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tkinter.Button(self, text='Send',
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command=self.send_message).grid(row=3, column=2)
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# Post-init (async, connect client)
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self.cl.loop.create_task(self.post_init())
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async def post_init(self):
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"""
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Completes the initialization of our application.
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Since `__init__` cannot be `async` we use this.
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"""
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if await self.cl.is_user_authorized():
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self.set_signed_in(await self.cl.get_me())
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else:
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# User is not logged in, configure the button to ask them to login
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self.sign_in_button.configure(text='Sign in')
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self.sign_in_label.configure(
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text='Sign in (phone/token):')
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async def on_message(self, event):
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"""
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Event handler that will add new messages to the message log.
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"""
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# We want to show only messages sent to this chat
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if event.chat_id != self.chat_id:
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return
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# Save the message ID so we know which to reply to
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self.message_ids.append(event.id)
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# Decide a prefix (">> " for our messages, "<user>" otherwise)
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if event.out:
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text = '>> '
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else:
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sender = await event.get_sender()
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text = '<{}> '.format(sanitize_str(
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utils.get_display_name(sender)))
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# If the message has media show "(MediaType) "
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if event.media:
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text += '({}) '.format(event.media.__class__.__name__)
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text += sanitize_str(event.text)
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text += '\n'
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# Append the text to the end with a newline, and scroll to the end
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self.log.insert(tkinter.END, text)
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self.log.yview(tkinter.END)
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# noinspection PyUnusedLocal
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@callback
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async def sign_in(self, event=None):
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"""
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Note the `event` argument. This is required since this callback
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may be called from a ``widget.bind`` (such as ``'<Return>'``),
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which sends information about the event we don't care about.
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This callback logs out if authorized, signs in if a code was
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sent or a bot token is input, or sends the code otherwise.
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"""
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self.sign_in_label.configure(text='Working...')
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self.sign_in_entry.configure(state=tkinter.DISABLED)
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if await self.cl.is_user_authorized():
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await self.cl.log_out()
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self.destroy()
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return
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value = self.sign_in_entry.get().strip()
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if self.code:
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self.set_signed_in(await self.cl.sign_in(code=value))
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elif ':' in value:
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self.set_signed_in(await self.cl.sign_in(bot_token=value))
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else:
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self.code = await self.cl.send_code_request(value)
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self.sign_in_label.configure(text='Code:')
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self.sign_in_entry.configure(state=tkinter.NORMAL)
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self.sign_in_entry.delete(0, tkinter.END)
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self.sign_in_entry.focus()
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return
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def set_signed_in(self, me):
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"""
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Configures the application as "signed in" (displays user's
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name and disables the entry to input phone/bot token/code).
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"""
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self.me = me
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self.sign_in_label.configure(text='Signed in')
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self.sign_in_entry.configure(state=tkinter.NORMAL)
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self.sign_in_entry.delete(0, tkinter.END)
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self.sign_in_entry.insert(tkinter.INSERT, utils.get_display_name(me))
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self.sign_in_entry.configure(state=tkinter.DISABLED)
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self.sign_in_button.configure(text='Log out')
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self.chat.focus()
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# noinspection PyUnusedLocal
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@callback
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async def send_message(self, event=None):
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"""
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Sends a message. Does nothing if the client is not connected.
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"""
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if not self.cl.is_connected():
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return
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# The user needs to configure a chat where the message should be sent.
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#
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# If the chat ID does not exist, it was not valid and the user must
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# configure one; hint them by changing the background to red.
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if not self.chat_id:
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self.chat.configure(bg='red')
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self.chat.focus()
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return
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# Get the message, clear the text field and focus it again
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text = self.message.get().strip()
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self.message.delete(0, tkinter.END)
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self.message.focus()
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if not text:
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return
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# NOTE: This part is optional but supports editing messages
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# You can remove it if you find it too complicated.
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#
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# Check if the edit matches any text
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m = EDIT.match(text)
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if m:
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find = re.compile(m.group(1).lstrip())
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# Cannot reversed(enumerate(...)), use index
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for i in reversed(range(len(self.sent_text))):
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msg_id, msg_text = self.sent_text[i]
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if find.search(msg_text):
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# Found text to replace, so replace it and edit
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new = find.sub(m.group(2), msg_text)
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self.sent_text[i] = (msg_id, new)
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await self.cl.edit_message(self.chat_id, msg_id, new)
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# Notify that a replacement was made
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self.log.insert(tkinter.END, '(message edited: {} -> {})\n'
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.format(msg_text, new))
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self.log.yview(tkinter.END)
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return
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# Check if we want to delete the message
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m = DELETE.match(text)
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if m:
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try:
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delete = self.message_ids.pop(-int(m.group(1)))
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except IndexError:
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pass
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else:
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await self.cl.delete_messages(self.chat_id, delete)
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# Notify that a message was deleted
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self.log.insert(tkinter.END, '(message deleted)\n')
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self.log.yview(tkinter.END)
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return
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# Check if we want to reply to some message
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reply_to = None
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m = REPLY.match(text)
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if m:
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text = m.group(2)
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try:
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reply_to = self.message_ids[-int(m.group(1))]
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except IndexError:
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pass
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# NOTE: This part is no longer optional. It sends the message.
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# Send the message text and get back the sent message object
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message = await self.cl.send_message(self.chat_id, text,
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reply_to=reply_to)
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# Save the sent message ID and text to allow edits
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self.sent_text.append((message.id, text))
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# Process the sent message as if it were an event
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await self.on_message(message)
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# noinspection PyUnusedLocal
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@callback
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async def check_chat(self, event=None):
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"""
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Checks the input chat where to send and listen messages from.
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"""
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if self.me is None:
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return # Not logged in yet
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chat = self.chat.get().strip()
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try:
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chat = int(chat)
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except ValueError:
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pass
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try:
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old = self.chat_id
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# Valid chat ID, set it and configure the colour back to white
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self.chat_id = await self.cl.get_peer_id(chat)
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self.chat.configure(bg='white')
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# If the chat ID changed, clear the
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# messages that we could edit or reply
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if self.chat_id != old:
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self.message_ids.clear()
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self.sent_text.clear()
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self.log.delete('1.0', tkinter.END)
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if not self.me.bot:
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for msg in reversed(
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await self.cl.get_messages(self.chat_id, 100)):
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await self.on_message(msg)
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except ValueError:
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# Invalid chat ID, let the user know with a yellow background
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self.chat_id = None
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self.chat.configure(bg='yellow')
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async def main(interval=0.05):
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client = TelegramClient(SESSION, API_ID, API_HASH)
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try:
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await client.connect()
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except Exception as e:
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print('Failed to connect', e, file=sys.stderr)
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return
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app = App(client)
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try:
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while True:
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# We want to update the application but get back
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# to asyncio's event loop. For this we sleep a
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# short time so the event loop can run.
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#
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# https://www.reddit.com/r/Python/comments/33ecpl
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app.update()
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await asyncio.sleep(interval)
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except KeyboardInterrupt:
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pass
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except tkinter.TclError as e:
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if 'application has been destroyed' not in e.args[0]:
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raise
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finally:
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await app.cl.disconnect()
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if __name__ == "__main__":
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asyncio.run(main())
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