How can I implement file upload in a Flask application?

How can I implement file upload in a Flask application?

You can use the Flask request object to handle file uploads. First, ensure you have the necessary HTML form with enctype='multipart/form-data'.

What libraries do I need to install for file uploads?

You need Flask itself, and optionally, you can use libraries like Flask-WTF for form handling and validation.

How do I save the uploaded file to a specific directory?

You can use the save() method of the file object to save it to a desired directory. Just specify the path.

Can I limit the file types that users can upload?

Yes, you can check the file's extension or MIME type before saving it to ensure it meets your criteria.