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emotion_detection
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from flask import Flask,render_template
from flask_socketio import SocketIO,emit
import base64
import numpy as np
import cv2 
import time
from deepface import DeepFace


app = Flask(__name__)
app.config['SECRET_KEY'] = 'secret!'
socket = SocketIO(app,async_mode="eventlet")


def base64_to_image(base64_string):
    # Extract the base64 encoded binary data from the input string
    base64_data = base64_string.split(",")[1]
    # Decode the base64 data to bytes
    image_bytes = base64.b64decode(base64_data)
    # Convert the bytes to numpy array
    image_array = np.frombuffer(image_bytes, dtype=np.uint8)
    # Decode the numpy array as an image using OpenCV
    image = cv2.imdecode(image_array, cv2.IMREAD_COLOR)
    return image

def music_link(emo):
    if emo == "fear":
        res = '<iframe style="border-radius:12px" src="https://open.spotify.com/embed/playlist/54i4ygGRUiT04Ro6ZcsXqo?utm_source=generator&theme=0" width="100%" height="352" frameBorder="0" allowfullscreen="" allow="autoplay; clipboard-write; encrypted-media; fullscreen; picture-in-picture" loading="lazy"></iframe>'
    elif emo == "angry":
        res = '<iframe style="border-radius:12px" src="https://open.spotify.com/embed/playlist/0dsl5hbFdVT7scb7Vakkwa?utm_source=generator" width="100%" height="352" frameBorder="0" allowfullscreen="" allow="autoplay; clipboard-write; encrypted-media; fullscreen; picture-in-picture" loading="lazy"></iframe>'
    elif emo == 'neutral':
        res = '<iframe style="border-radius:12px" src="https://open.spotify.com/embed/playlist/37i9dQZEVXbLZ52XmnySJg?utm_source=generator" width="100%" height="352" frameBorder="0" allowfullscreen="" allow="autoplay; clipboard-write; encrypted-media; fullscreen; picture-in-picture" loading="lazy"></iframe>'    
    elif emo =='sad':
        res= '<iframe style="border-radius:12px" src="https://open.spotify.com/embed/playlist/37i9dQZF1EVKuMoAJjoTIw?utm_source=generator" width="100%" height="352" frameBorder="0" allowfullscreen="" allow="autoplay; clipboard-write; encrypted-media; fullscreen; picture-in-picture" loading="lazy"></iframe>'
    elif emo == 'disgust':
        res = '<iframe style="border-radius:12px" src="https://open.spotify.com/embed/playlist/3a8ssl2IKbhSmEzzIPYvbC?utm_source=generator" width="100%" height="352" frameBorder="0" allowfullscreen="" allow="autoplay; clipboard-write; encrypted-media; fullscreen; picture-in-picture" loading="lazy"></iframe>'
    elif emo == 'happy':
        res = '<iframe style="border-radius:12px" src="https://open.spotify.com/embed/playlist/37i9dQZF1EVJSvZp5AOML2?utm_source=generator" width="100%" height="352" frameBorder="0" allowfullscreen="" allow="autoplay; clipboard-write; encrypted-media; fullscreen; picture-in-picture" loading="lazy"></iframe>'
    elif emo == 'surprise':
        res = '<iframe style="border-radius:12px" src="https://open.spotify.com/embed/playlist/37i9dQZF1DX5cZuAHLNjGz?utm_source=generator" width="100%" height="352" frameBorder="0" allowfullscreen="" allow="autoplay; clipboard-write; encrypted-media; fullscreen; picture-in-picture" loading="lazy"></iframe>'
    else:
        res =  '<iframe style="border-radius:12px" src="https://open.spotify.com/embed/playlist/37i9dQZEVXbMDoHDwVN2tF?utm_source=generator" width="100%" height="352" frameBorder="0" allowfullscreen="" allow="autoplay; clipboard-write; encrypted-media; fullscreen; picture-in-picture" loading="lazy"></iframe>'

    return res          




@socket.on("connect")
def test_connect():
    print("Connected")
    emit("my response", {"data": "Connected"})

@socket.on("image")
def receive_image(image):
    # Decode the base64-encoded image data
    image = base64_to_image(image)
    image = cv2.resize(image, (224, 224), interpolation=cv2.INTER_AREA)
    # emit("processed_image", image)
    # Predicts the model
    cv2.imwrite("./res.jpg",image)
    objs = DeepFace.analyze(img_path = "./res.jpg", 
    actions = ['emotion'])
    time.sleep(3)
    emo = objs[0]['dominant_emotion']
    res = music_link(emo)
    emit("result",{"emo":str(emo),"res":res})

@app.route("/")
def home():
    return render_template("index.html")

if __name__ == '__main__':
    # app.run(debug=True)
    socket.run(app, debug=True,port=7860,host="0.0.0.0")