FastAPI - File Handling
How can you customize HTTP headers like
Cache-Control when returning a file with FileResponse in FastAPI?How can you customize HTTP headers like Cache-Control when returning a file with FileResponse in FastAPI?
hard🚀 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Check FileResponse parameters for headers
FileResponse accepts a 'headers' parameter where you can pass a dictionary of HTTP headers.Step 2: Understand other options
Modifying global app headers or file content does not affect response headers directly. Middleware can add headers but is more complex.Final Answer:
Pass a dictionary with headers to the 'headers' parameter of FileResponse. -> Option AQuick Check:
Use headers param in FileResponse for custom headers [OK]
Quick Trick: Use headers param dict to add HTTP headers in FileResponse [OK]
Common Mistakes:
MISTAKES- Trying to set headers inside file content
- Changing global app headers instead of response headers
- Assuming middleware is required for simple header changes
Master "File Handling" in FastAPI
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