pipecat/examples/simple-chatbot/bot.py

#
# Copyright (c) 2024, Daily
#
# SPDX-License-Identifier: BSD 2-Clause License
#

import asyncio
import os
import sys

import aiohttp
from dotenv import load_dotenv
from loguru import logger
from PIL import Image
from runner import configure

from pipecat.audio.vad.silero import SileroVADAnalyzer
from pipecat.frames.frames import (
    BotStartedSpeakingFrame,
    BotStoppedSpeakingFrame,
    Frame,
    LLMMessagesFrame,
    OutputImageRawFrame,
    SpriteFrame,
)
from pipecat.pipeline.pipeline import Pipeline
from pipecat.pipeline.runner import PipelineRunner
from pipecat.pipeline.task import PipelineParams, PipelineTask
from pipecat.processors.aggregators.openai_llm_context import OpenAILLMContext
from pipecat.processors.frame_processor import FrameDirection, FrameProcessor
from pipecat.services.elevenlabs import ElevenLabsTTSService
from pipecat.services.openai import OpenAILLMService
from pipecat.transports.services.daily import DailyParams, DailyTransport

load_dotenv(override=True)

logger.remove(0)
logger.add(sys.stderr, level="DEBUG")

sprites = []

script_dir = os.path.dirname(__file__)

for i in range(1, 26):
    # Build the full path to the image file
    full_path = os.path.join(script_dir, f"assets/robot0{i}.png")
    # Get the filename without the extension to use as the dictionary key
    # Open the image and convert it to bytes
    with Image.open(full_path) as img:
        sprites.append(OutputImageRawFrame(image=img.tobytes(), size=img.size, format=img.format))

flipped = sprites[::-1]
sprites.extend(flipped)

# When the bot isn't talking, show a static image of the cat listening
quiet_frame = sprites[0]
talking_frame = SpriteFrame(images=sprites)


class TalkingAnimation(FrameProcessor):
    """
    This class starts a talking animation when it receives an first AudioFrame,
    and then returns to a "quiet" sprite when it sees a TTSStoppedFrame.
    """

    def __init__(self):
        super().__init__()
        self._is_talking = False

    async def process_frame(self, frame: Frame, direction: FrameDirection):
        await super().process_frame(frame, direction)

        if isinstance(frame, BotStartedSpeakingFrame):
            if not self._is_talking:
                await self.push_frame(talking_frame)
                self._is_talking = True
        elif isinstance(frame, BotStoppedSpeakingFrame):
            await self.push_frame(quiet_frame)
            self._is_talking = False

        await self.push_frame(frame, direction)


async def main():
    async with aiohttp.ClientSession() as session:
        (room_url, token) = await configure(session)

        transport = DailyTransport(
            room_url,
            token,
            "Chatbot",
            DailyParams(
                audio_out_enabled=True,
                camera_out_enabled=True,
                camera_out_width=1024,
                camera_out_height=576,
                vad_enabled=True,
                vad_analyzer=SileroVADAnalyzer(),
                transcription_enabled=True,
                #
                # Spanish
                #
                # transcription_settings=DailyTranscriptionSettings(
                #     language="es",
                #     tier="nova",
                #     model="2-general"
                # )
            ),
        )

        tts = ElevenLabsTTSService(
            api_key=os.getenv("ELEVENLABS_API_KEY"),
            #
            # English
            #
            voice_id="pNInz6obpgDQGcFmaJgB",
            #
            # Spanish
            #
            # model="eleven_multilingual_v2",
            # voice_id="gD1IexrzCvsXPHUuT0s3",
        )

        llm = OpenAILLMService(api_key=os.getenv("OPENAI_API_KEY"), model="gpt-4o")

        messages = [
            {
                "role": "system",
                #
                # English
                #
                "content": "You are Chatbot, a friendly, helpful robot. Your goal is to demonstrate your capabilities in a succinct way. Your output will be converted to audio so don't include special characters in your answers. Respond to what the user said in a creative and helpful way, but keep your responses brief. Start by introducing yourself.",
                #
                # Spanish
                #
                # "content": "Eres Chatbot, un amigable y útil robot. Tu objetivo es demostrar tus capacidades de una manera breve. Tus respuestas se convertiran a audio así que nunca no debes incluir caracteres especiales. Contesta a lo que el usuario pregunte de una manera creativa, útil y breve. Empieza por presentarte a ti mismo.",
            },
        ]

        context = OpenAILLMContext(messages)
        context_aggregator = llm.create_context_aggregator(context)

        ta = TalkingAnimation()

        pipeline = Pipeline(
            [
                transport.input(),
                context_aggregator.user(),
                llm,
                tts,
                ta,
                transport.output(),
                context_aggregator.assistant(),
            ]
        )

        task = PipelineTask(pipeline, PipelineParams(allow_interruptions=True))
        await task.queue_frame(quiet_frame)

        @transport.event_handler("on_first_participant_joined")
        async def on_first_participant_joined(transport, participant):
            await transport.capture_participant_transcription(participant["id"])
            await task.queue_frames([LLMMessagesFrame(messages)])

        runner = PipelineRunner()

        await runner.run(task)


if __name__ == "__main__":
    asyncio.run(main())