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pipecat/examples/moondream-chatbot/bot.py
2025-02-04 14:37:53 -08:00

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#
# Copyright (c) 20242025, 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,
ImageRawFrame,
OutputImageRawFrame,
SpriteFrame,
TextFrame,
UserImageRawFrame,
UserImageRequestFrame,
)
from pipecat.pipeline.parallel_pipeline import ParallelPipeline
from pipecat.pipeline.pipeline import Pipeline
from pipecat.pipeline.runner import PipelineRunner
from pipecat.pipeline.task import PipelineTask
from pipecat.processors.aggregators.openai_llm_context import OpenAILLMContext
from pipecat.processors.aggregators.sentence import SentenceAggregator
from pipecat.processors.aggregators.vision_image_frame import VisionImageFrameAggregator
from pipecat.processors.frame_processor import FrameDirection, FrameProcessor
from pipecat.services.cartesia import CartesiaTTSService
from pipecat.services.moondream import MoondreamService
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")
user_request_answer = "Let me take a look."
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 BotStartedSpeakingFrame,
and then returns to a "quiet" sprite when it sees a BotStoppedSpeakingFrame.
"""
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)
class UserImageRequester(FrameProcessor):
def __init__(self):
super().__init__()
self.participant_id = None
def set_participant_id(self, participant_id: str):
self.participant_id = participant_id
async def process_frame(self, frame: Frame, direction: FrameDirection):
await super().process_frame(frame, direction)
if self.participant_id and isinstance(frame, TextFrame):
if frame.text == user_request_answer:
await self.push_frame(
UserImageRequestFrame(self.participant_id), FrameDirection.UPSTREAM
)
await self.push_frame(TextFrame("Describe the image in a short sentence."))
else:
await self.push_frame(frame, direction)
class TextFilterProcessor(FrameProcessor):
def __init__(self, text: str):
super().__init__()
self.text = text
async def process_frame(self, frame: Frame, direction: FrameDirection):
await super().process_frame(frame, direction)
if isinstance(frame, TextFrame):
if frame.text != self.text:
await self.push_frame(frame)
else:
await self.push_frame(frame, direction)
class ImageFilterProcessor(FrameProcessor):
async def process_frame(self, frame: Frame, direction: FrameDirection):
await super().process_frame(frame, direction)
if not isinstance(frame, ImageRawFrame):
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,
transcription_enabled=True,
vad_enabled=True,
vad_analyzer=SileroVADAnalyzer(),
),
)
tts = CartesiaTTSService(
api_key=os.getenv("CARTESIA_API_KEY"),
voice_id="79a125e8-cd45-4c13-8a67-188112f4dd22", # British Lady
)
llm = OpenAILLMService(api_key=os.getenv("OPENAI_API_KEY"), model="gpt-4o")
ta = TalkingAnimation()
sa = SentenceAggregator()
ir = UserImageRequester()
va = VisionImageFrameAggregator()
# If you run into weird description, try with use_cpu=True
moondream = MoondreamService()
tf = TextFilterProcessor(user_request_answer)
imgf = ImageFilterProcessor()
messages = [
{
"role": "system",
"content": f"You are Chatbot, a friendly, helpful robot. Let the user know that you are capable of chatting or describing what you see. Your goal is to demonstrate your capabilities in a succinct way. Reply with only '{user_request_answer}' if the user asks you to describe what you see. 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.",
},
]
context = OpenAILLMContext(messages)
context_aggregator = llm.create_context_aggregator(context)
pipeline = Pipeline(
[
transport.input(),
context_aggregator.user(),
llm,
ParallelPipeline([sa, ir, va, moondream], [tf, imgf]),
tts,
ta,
transport.output(),
context_aggregator.assistant(),
]
)
task = PipelineTask(pipeline)
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 transport.capture_participant_video(participant["id"], framerate=0)
ir.set_participant_id(participant["id"])
await task.queue_frames([context_aggregator.user().get_context_frame()])
runner = PipelineRunner()
await runner.run(task)
if __name__ == "__main__":
asyncio.run(main())