250 lines
9.3 KiB
Python
250 lines
9.3 KiB
Python
import datetime
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import codecs
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import time
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import json
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import sys
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import os
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import threading
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# global variables
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STOP_REQUESTED = False
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# some functions that increase readability of the code
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def readfile(filename):
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try:
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return codecs.open(filename, encoding = "utf-8").read()
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except FileNotFoundError:
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return False
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except Exception as e:
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print( "[ERROR] Unexpected error occured in readfile() ({0})".format(e) )
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return False
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# module object classes
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class ModuleV1:
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def __init__(self, path, code, enabled, alias, predefine):
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self.version = 1
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self.enabled = enabled
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self.code = code
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self.alias = alias
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self.path = path
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self.predefine = predefine
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if self.predefine:
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self.set_predefine()
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# set environmental variables
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def set_env(self):
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self.RESPONCE = ""
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def set_predefine(self):
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try:
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exec(self.predefine)
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except Exception as e:
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print("[ERROR] module: module \"{}\" ({}) raised exception \"{}\" during predefine stage, disabling it...".format(self.path, self.alias, e))
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# running the module
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def process(self, msg):
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self.set_env()
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self.MESSAGE = msg
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try:
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exec(self.code)
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return self.RESPONCE
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except Exception as e:
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print("[ERROR] module: module \"{}\" ({}) raised exception \"{}\"".format(self.path, self.alias, e))
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return ""
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# module control unit
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class ModuleControlUnit:
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def __init__(self):
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self.modules = []
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self.reload_modules()
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print("[INFO] ModuleControlUnit: initialized successfully")
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def reload_modules(self):
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for folder in os.listdir("modules/"):
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try:
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meta_raw = readfile("modules/{}/meta.json".format(folder))
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if not meta_raw:
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print("[WARN] module_loader: no meta.json found in module folder \"{}\"".format(folder))
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continue
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meta = json.loads( meta_raw )
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if "version" in meta:
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if meta["version"] == 1:
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if "index_file" in meta:
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index_file = meta["index_file"]
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else:
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index_file = "index.py"
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code = readfile( "modules/{}/{}".format(folder, index_file) )
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if not code: # False both when readfile() returns False and when the code string is empty
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print("[WARN] reload_modules: module {} does not have any code, skipping...".format(folder))
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continue
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if "start_on_boot" in meta:
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enabled = meta["start_on_boot"]
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else:
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enabled = False
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if "alias" in meta:
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alias = meta["alias"]
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else:
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alias = None
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if "predefine" in meta:
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predefine = readfile("modules/{}/{}".format(folder, meta["predefine"]))
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else:
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predefine = False
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self.modules.append( ModuleV1( "modules/{}/".format(folder), code, enabled, alias, predefine ) )
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print("[INFO] reload_modules: successfully loaded {} as {} (start_on_boot: {})".format(folder, alias, enabled))
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else:
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print("[WARN] reload_modules: module {} requires unsupported version ({} > 1), skipping...".format(folder, meta["version"]))
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except Exception as e:
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print("[ERROR] module_loader: error while loading module \"{}\" ({})".format(folder, e))
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def reload_module(self, folder_name):
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try:
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meta_raw = readfile("modules/{}/meta.json".format(folder))
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if not meta_raw:
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print("[WARN] module_loader: no meta.json found in module folder \"{}\"".format(folder_name))
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return 1
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meta = json.loads( readfile("modules/{}/meta.json".format(folder_name)) )
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if "version" in meta:
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if meta["version"] == 1:
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if "index_file" in meta:
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index_file = meta["index_file"]
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else:
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index_file = "index.py"
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code = readfile( "modules/{}/{}".format(folder_name, index_file) )
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if not code: # False both when readfile() returns False and when the code string is empty
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print("[WARN] reload_modules: module {} does not have any code, skipping...".format(folder_name))
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if "start_on_boot" in meta:
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enabled = meta["start_on_boot"]
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else:
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enabled = False
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if "alias" in meta:
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alias = meta["alias"]
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else:
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alias = None
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self.modules.append( ModuleV1( code, enabled, alias ) )
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print("[INFO] reload_modules: successfully loaded {} as {} (start_on_boot: {})".format(folder_name, alias, enabled))
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else:
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print("[WARN] reload_modules: module {} requires unsupported version ({} > 1), skipping...".format(folder_name, meta["version"]))
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except Exception as e:
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print("[ERROR] module_loader: error while loading module \"{}\" ({})".format(folder_name, e))
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# message queue object to go back to synchronous message processing
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#class MessageQueue:
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# def __init__(self):
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# print("[INFO] Initializing the message queue...")
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# self.queue = []
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# synchronous message processor
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def queue_processor():
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while True:
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try:
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if len(message_queue) > 0:
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msg = message_queue[0]
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print("[DEBUG] queue_processor: {}".format(msg)) # debug
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# check for control commands
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if msg["chat"]["id"] == 575246355:
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if msg["text"][0] == "$":
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command = msg["text"][1:].split(" ")
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if len(command) >= 2 and command[0] == "module":
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if command[1] == "reload":
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print("[INFO] Module reloading triggered by a command")
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del mcu.modules[:]
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mcu.reload_modules()
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del message_queue[0]
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continue
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# modules are used in here
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for mod in mcu.modules:
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if mod.enabled:
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if mod.version == 1:
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responce = mod.process(msg)
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if len(responce) > 0:
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updater.bot.send_message(chat_id = msg.chat.id, text = responce)
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print("Responded using module {} ({}) with text: {}".format(mod.path, mod.alias, responce))
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break
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del message_queue[0]
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else:
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if STOP_REQUESTED:
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break
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else:
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time.sleep(1)
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except Exception as e:
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print("[ERROR] queue_processor: current message queue: {}".format(message_queue))
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print("[ERROR] queue_processor: error while processing message, trying to delete it...")
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try:
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del message_queue[0]
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print("[INFO] queue_processor: deleted broken message from the queue")
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except:
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print("[WARN] queue_processor: message seems absent, whatever")
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print("[INFO] queue_processor thread stops successfully")
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# telegram bot processor
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def message_handler(update, context):
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print("[DEBUG] Received new message") # just for testing
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message_queue.append(update.message)
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# --- Final stage ---
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# initializing services and queues
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message_queue = []
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mcu = ModuleControlUnit()
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processor_thread = threading.Thread( target = queue_processor, args = [] )
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processor_thread.start()
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# connecting to Telegram servers and listening for messages
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'''
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TOKEN = readfile("config/token")
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if not TOKEN:
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print("[CRIT] Token has not been defined, quitting")
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sys.exit(1)
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# connect to Telegram servers
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updater = Updater(TOKEN, use_context = True)
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dispatcher = updater.dispatcher
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# assign the handler for messages
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dispatcher.add_handler(MessageHandler(Filters.text, message_handler))
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# run the bot
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updater.start_polling()
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updater.idle()
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'''
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print("Enter testing messages one by one, end with an empty line")
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while True:
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new_msg = input()
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if len(new_msg) == 0:
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break
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message_queue.append({'text': new_msg, 'new_chat_photo': [], 'message_id': 74, 'new_chat_members': [], 'delete_chat_photo': False, 'group_chat_created': False, 'supergroup_chat_created': False, 'chat': {'first_name': 'Дмитро', 'username': 'dmytrofiot23', 'id': 575246355, 'type': 'private'}, 'caption_entities': [], 'channel_chat_created': False, 'date': 1667585646, 'photo': [], 'entities': [], 'from': {'first_name': 'Дмитро', 'id': 575246355, 'is_bot': False, 'username': 'dmytrofiot23', 'language_code': 'en'}})
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