Download Decorator -

: Using decorators allows core business logic (e.g., calculate_sales() ) to remain clean, while the decorator handles logging, execution timing, or formatting the output into a downloadable file.

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: It requires parameters like filename (the name of the file presented to the user) and media_type (the MIME type, such as text/csv or application/pdf ). Implementation Best Practices : Using decorators allows core business logic (e

: If the function returns a string, it is treated as a path to an existing file on disk. calculate_sales() ) to remain clean

: Modern download decorators typically support both synchronous and async functions to prevent UI freezing during large file generations. Related Tools for Report Generation