app/__init__.py

# app/__init__.py
import os
from flask import Flask

def create_app():
    v_app = Flask(__name__)

    # Get the absolute path of the "app" folder
    v_base_dir = os.path.dirname(os.path.abspath(__file__))
    # This should point to your "app" folder, for example:
    # C:\Users\sharm\Documents\projects\VectorDBConversionfromfiles\app

    # Now "uploads" will be: C:\Users\sharm\Documents\projects\VectorDBConversionfromfiles\app\uploads
    v_uploads_folder = os.path.join(v_base_dir, 'uploads')
    v_app.config['UPLOAD_FOLDER'] = v_uploads_folder

    v_app.config['ALLOWED_EXTENSIONS'] = {'zip'}

    with v_app.app_context():
        from .routes import v_bp
        v_app.register_blueprint(v_bp)

    return v_app