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# ========= Copyright 2023-2024 @ CAMEL-AI.org. All Rights Reserved. =========
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ========= Copyright 2023-2024 @ CAMEL-AI.org. All Rights Reserved. =========
import os
from typing import TYPE_CHECKING, Optional
from camel.agents import ChatAgent
from camel.messages import BaseMessage
from camel.utils import dependencies_required
# Conditionally import telebot types only for type checking
if TYPE_CHECKING:
from telebot.types import ( # type: ignore[import-untyped]
Message,
)
class TelegramBot:
r"""Represents a Telegram bot that is powered by an agent.
Attributes:
chat_agent (ChatAgent): Chat agent that will power the bot.
telegram_token (str, optional): The bot token.
"""
@dependencies_required('telebot')
def __init__(
self,
chat_agent: ChatAgent,
telegram_token: Optional[str] = None,
) -> None:
self.chat_agent = chat_agent
if not telegram_token:
self.token = os.getenv('TELEGRAM_TOKEN')
if not self.token:
raise ValueError(
"`TELEGRAM_TOKEN` not found in environment variables. "
"Get it from t.me/BotFather."
)
else:
self.token = telegram_token
import telebot # type: ignore[import-untyped]
self.bot = telebot.TeleBot(token=self.token)
# Register the message handler within the constructor
self.bot.message_handler(func=lambda message: True)(self.on_message)
def run(self) -> None:
r"""Start the Telegram bot."""
print("Telegram bot is running...")
self.bot.infinity_polling()
def on_message(self, message: 'Message') -> None:
r"""Handles incoming messages from the user.
Args:
message (types.Message): The incoming message object.
"""
self.chat_agent.reset()
if not message.text:
return
user_msg = BaseMessage.make_user_message(
role_name="User", content=message.text
)
assistant_response = self.chat_agent.step(user_msg)
self.bot.reply_to(message, assistant_response.msg.content)
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