What are the best practices for handling forms in Flask?
An example of an AI chatbot conversation about best practices for Flask forms.
What are the best practices for handling forms in Flask?
When handling forms in Flask, it's important to use Flask-WTF for form validation and CSRF protection. Also, keep your forms modular and reusable.
Can you explain how to use Flask-WTF for form validation?
Sure! Flask-WTF integrates WTForms with Flask. You define your form classes, and Flask-WTF handles validation and rendering. You can also add custom validators.
What about handling file uploads in forms?
For file uploads, ensure your form has enctype='multipart/form-data'. Use Flask's request.files to access uploaded files and validate them.
Are there any security concerns I should be aware of?
Yes, always validate and sanitize user input to prevent XSS and SQL injection. Use CSRF protection to secure your forms.
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