main.py

from flask import Flask, request, jsonify, abort
import whisper
import os

from flask_cors import CORS
from tempfile import NamedTemporaryFile

# Load Whisper model
print("\nLoading Whisper\n", flush=True)
model = whisper.load_model("small")

# Initialize Flask app
app = Flask(__name__)
CORS(app)
print("\nHello, welcome to SemaBox\n", flush=True)

@app.route("/")
def hello():
    return "Semabox, listens to you!"

@app.route('/whisper', methods=['POST'])
def transcribe_audio():
    if 'audio' not in request.files:
        # If no audio file is submitted, return a 400 (Bad Request) error.
        abort(400, description="No audio file provided")

    audio_file = request.files['audio']

    # Create a temporary file to save the uploaded audio.
    with NamedTemporaryFile(suffix=".wav", delete=True) as temp:
        audio_file.save(temp.name)

        # Perform transcription using the Whisper model.
        result = model.transcribe(temp.name)

        # Return the transcribed text in JSON format.
        return jsonify({
            'filename': audio_file.filename,
            'transcript': result['text'],
        })

# Healthcheck endpoint
@app.route('/healthcheck', methods=['GET'])
def healthcheck():
    return jsonify({"status": "API is running"}), 200

# Run the Flask app
if __name__ == '__main__':
    app.run(host="0.0.0.0", port=5000)