CTP_HW9 / app.py
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import os
import requests
import openai
import streamlit as st
from PIL import Image
from dotenv import load_dotenv
import time
# Load environment variables from .env file
load_dotenv()
# Set up the Hugging Face API URL and your API key
emotion_model_url = "https://api-inference.huggingface.co/models/trpakov/vit-face-expression"
headers = {"Authorization": f"Bearer {os.getenv('HUGGINGFACE_API_KEY')}"}
# Set up OpenAI API key
openai.api_key = os.getenv('OPENAI_API_KEY')
# Function to query the facial expression recognition model
def query_emotion(filename):
with open(filename, "rb") as f:
data = f.read()
response = requests.post(emotion_model_url, headers=headers, data=data)
if response.status_code == 200:
return response.json()
else:
st.error("Error detecting facial expression: " + response.text)
return None
# Function to generate a response using OpenAI based on detected emotion
def generate_text_based_on_mood(emotion):
try:
# Create a dynamic prompt based on the detected emotion
if emotion == "happy":
prompt = "Give a motivational quote to celebrate happiness."
elif emotion == "sad":
prompt = "Provide a comforting message for someone feeling sad."
elif emotion == "angry":
prompt = "Suggest a way to calm down someone feeling angry."
elif emotion == "fear":
prompt = "Give an encouraging message for someone feeling fearful."
elif emotion == "surprised":
prompt = "Offer a fun fact or light-hearted comment for someone feeling surprised."
elif emotion == "neutral":
prompt = "Provide a general motivational quote."
# Call OpenAI's API using the new interface
response = openai.ChatCompletion.create(
model="gpt-4", # Specify the GPT-4 model
messages=[
{"role": "user", "content": prompt}
]
)
# Extract the generated text
generated_text = response['choices'][0]['message']['content']
return generated_text.strip()
except Exception as e:
st.error(f"Error generating text: {e}")
return "Sorry, I couldn't come up with a message at this moment."
# Function to convert text to speech using gTTS
def text_to_speech(text):
from gtts import gTTS
try:
tts = gTTS(text, lang='en')
audio_file = "output.mp3"
tts.save(audio_file) # Save the audio file
return audio_file
except Exception as e:
st.error(f"Error with TTS: {e}")
return None
# Streamlit UI
st.title("Facial Expression Mood Detector")
st.write("Upload an image of a face to detect mood and receive uplifting messages or jokes.")
# Upload image
uploaded_file = st.file_uploader("Choose an image...", type=["jpg", "jpeg", "png"])
if uploaded_file is not None:
# Load and display the image
image = Image.open(uploaded_file)
st.image(image, caption='Uploaded Image', use_column_width=True)
# Save the uploaded file temporarily
with open("uploaded_image.jpg", "wb") as f:
f.write(uploaded_file.getbuffer())
# Detect facial expression
expression_output = query_emotion("uploaded_image.jpg")
if expression_output:
# Assuming the response has a 'label' field with the detected emotion
emotion = expression_output[0]['label'] # Adjust based on response structure
st.write(f"Detected emotion: {emotion}")
# Generate text based on detected emotion
message = generate_text_based_on_mood(emotion)
st.write("Here's something to cheer you up:")
st.write(message)
# Convert the generated message to audio
audio_file = text_to_speech(message)
# Provide an audio player in the Streamlit app if audio file exists
if audio_file:
st.audio(audio_file) # Streamlit will handle playback