26th December 2025
Research
HTTP Range Requests for Wheel Metadata
— Leveraging ZIP file structure and HTTP range requests, tools like uv efficiently extract wheel metadata for Python packages without downloading entire archives. By fetching just the last 16KB of the wheel (central directory and EOCD), parsing for the METADATA file offset, and then requesting exactly its byte range, uv and the accompanying Python prototype routinely reduce bandwidth usage by over 70%.
Recent articles
- A new feature for my blog, built using my voice - 9th October 2026
- Claude Haiku 5.5 - 7th October 2026
- We're going to need default hard budget caps on pretty much everything - 3rd October 2026
- OpenAI DevDay 2026 live blog - 29th September 2026