webapp/app.py

from flask import Flask, render_template, request, redirect, url_for
import os
from werkzeug.utils import secure_filename
from model_utils import predict_from_image

app = Flask(__name__)
app.config['UPLOAD_FOLDER'] = 'uploads'
app.config['MAX_CONTENT_LENGTH'] = 16 * 1024 * 1024  # 16 MB max upload size

if not os.path.exists(app.config['UPLOAD_FOLDER']):
    os.makedirs(app.config['UPLOAD_FOLDER'])

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

@app.route('/upload', methods=['POST'])
def upload():
    if 'image' not in request.files:
        return redirect(request.url)
    file = request.files['image']
    if file.filename == '':
        return redirect(request.url)
    if file:
        filename = secure_filename(file.filename)
        filepath = os.path.join(app.config['UPLOAD_FOLDER'], filename)
        file.save(filepath)
        result = predict_from_image(filepath)
        return render_template('result.html', result=result, filename=filename)
    return redirect(url_for('index'))

@app.route('/uploads/<filename>')
def uploaded_file(filename):
    return redirect(url_for('static', filename='uploads/' + filename))

if __name__ == '__main__':
    app.run(debug=True)