Simon Willison’s Weblog

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14th December 2025

Research streaming-file-upload-prototype — Demonstrating efficient large file uploads, this prototype integrates the streaming-form-data library with a Starlette-based ASGI server to enable true streaming of multipart file data directly to disk, bypassing memory bottlenecks. It incrementally parses incoming form data and supports checksum calculation on-the-fly, handling multiple simultaneous file uploads via async workflows.

This is a beat by Simon Willison, posted on 14th December 2025.

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