stay threadsafe. This approach is convenient, but requires a valid request context for dependency injection or when attempting to reuse code which uses a value pegged to the request. The Flask project is com/p/markupsafe/] comes with Jinja. It escapes untrusted input when rendering templates to avoid injection attacks. ItsDangerous [https://palletsprojects.com/p/itsdangerous/] securely signs data to ensure The database library will take care of escaping the values so you are not vulnerable to a SQL injection attack. fetchone() [https://docs.python.org/3/library/sqlite3.html#sqlite3.Cursor.fetchone] returns

stay threadsafe. This approach is convenient, but requires a valid request context for dependency injection or when attempting to reuse code which uses a value pegged to the request. The Flask project is serves. • MarkupSafe comes with Jinja. It escapes untrusted input when rendering templates to avoid injection attacks. • ItsDangerous securely signs data to ensure its integrity. This is used to protect Flask’s The database library will take care of escaping the values so you are not vulnerable to a SQL injection attack. fetchone() returns one row from the query. If the query returned no results, it returns