server.py

"""
Emotion Detection Server

This script runs a Flask application that provides a web interface 
for analyzing the emotions conveyed in a given text string.
"""

from flask import Flask, render_template, request
from EmotionDetection.emotion_detection import emotion_detector

app = Flask("Emotion Detection")

@app.route("/emotionDetector")
def sent_detector():
    """
    Analyze the emotion of the provided text.
    
    Retrieves the 'textToAnalyze' parameter from the GET request,
    passes it to the emotion_detector function, and returns a formatted
    string containing the emotion scores and dominant emotion.
    """
    # Retrieve the text to analyze from the request arguments
    text_to_analyze = request.args.get('textToAnalyze')

    # Pass the text to the emotion_detector function and store the response
    response = emotion_detector(text_to_analyze)

    if response['dominant_emotion'] is None:
        return "Invalid text! Please try again!"

    # Return a formatted string with the emotion scores and dominant emotion
    return (
        f"For the given statement, the system response is 'anger': {response['anger']}, "
        f"'disgust': {response['disgust']}, 'fear': {response['fear']}, "
        f"'joy': {response['joy']} and 'sadness': {response['sadness']}. "
        f"The dominant emotion is {response['dominant_emotion']}."
    )

@app.route("/")
def render_index_page():
    """
    Render the main application page.
    """
    return render_template('index.html')

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=5000)