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chatbot only
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#########
# path_to_key = 'credentials/plenary-stacker-457109-k5-6b664f4fa9ba.json'
path_to_key = None
############
from fastapi import FastAPI, Request,UploadFile, File
from fastapi.responses import HTMLResponse, JSONResponse
from fastapi.staticfiles import StaticFiles
from fastapi.templating import Jinja2Templates
import asyncio
from google.cloud import dialogflowcx_v3 as dialogflow
#
import os
import json
from google.oauth2 import service_account
from google.api_core.client_options import ClientOptions
#
import soundfile as sf
import sounddevice as sd
import io
import speech_recognition as sr
from pydub import AudioSegment
import base64
########################### === Setup server === ###########################
app = FastAPI()
app.mount("/static", StaticFiles(directory="static"), name="static")
templates = Jinja2Templates(directory="templates")
################angle detection and pose detection##################
#### Audio recording and transcription #########
@app.post("/transcribe-audio")
async def transcribe_audio(file: UploadFile = File(...)):
status_message = ''
input_text = ''
try:
# Step 1: Read uploaded file
uploaded_bytes = await file.read()
# Step 2: Save the audio file in buffer
audio = AudioSegment.from_file(io.BytesIO(uploaded_bytes))
wav_io = io.BytesIO()
audio.export(wav_io, format="wav")
wav_io.seek(0)
# Step 4: Transcribe using SpeechRecognition
recognizer = sr.Recognizer()
with sr.AudioFile(wav_io) as source:
audio = recognizer.record(source)
try:
input_text = recognizer.recognize_google(audio)
status_message = "Recording Done"
except sr.UnknownValueError:
status_message = "Could not understand the audio"
except sr.RequestError as e:
status_message = f"Request failed: {e}"
except Exception as e:
input_text = "Error "
status_message = f"Unexpected error: {str(e)}"
return JSONResponse(content={
"message": status_message,
"input_text": input_text,
})
########## Chatbot setup ##############
clt1 = None
s_path = None
def set_session():
api_endpoint_ = 'europe-west2-dialogflow.googleapis.com'
project_id_ = 'plenary-stacker-457109-k5'
session_id_ = 'unique-session-id'
location_ = 'europe-west2'
agent_id_ = 'c827abce-ac66-40e5-a7e5-aba7e90b74ae'
if path_to_key is None:
credentials_info = json.loads(os.getenv("GOOGLE_CREDENTIALS_JSON"))
credentials = service_account.Credentials.from_service_account_info(credentials_info)
client1 = dialogflow.SessionsClient(
credentials=credentials,
client_options=ClientOptions(api_endpoint=api_endpoint_)
)
else:
client1 = dialogflow.SessionsClient(
credentials=service_account.Credentials.from_service_account_file(path_to_key),
client_options=ClientOptions(api_endpoint=api_endpoint_)
)
session_path1 = client1.session_path(project_id_, location_, agent_id_, session_id_)
return client1, session_path1
async def get_response(message_):
global clt1, s_path
if clt1 is None or s_path is None:
clt1, s_path = set_session()
try:
query_input = dialogflow.QueryInput(
text=dialogflow.TextInput(text=message_),
language_code='en'
)
loop = asyncio.get_event_loop()
response = await loop.run_in_executor(
None,
lambda: clt1.detect_intent(request={"session": s_path, "query_input": query_input})
)
return extract_message(response)
except Exception as e:
return f'Error: {e}'
def extract_message(response):
response_messages = response.query_result.response_messages
message_text = ''
for message in response_messages:
if message.text and hasattr(message.text.text, '__iter__'):
message_text += ''.join(message.text.text)
if not message_text:
message_text = response.query_result.fulfillment_text
return message_text
####### Chatbot API ###########
@app.post("/chat", response_class=JSONResponse)
async def chat_post(request: Request):
data = await request.json()
user_input = data.get("message", "")
# user_input = 'hey man'
response_text = await get_response(user_input)
return {"reply": response_text}
###########basic API for testing ###########`
# `
@app.get("/", response_class=HTMLResponse)
async def index(request: Request):
return templates.TemplateResponse("index.html", {"request": request})