psf / psf/cachecontrol

Support Cache-Control: immutable

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#142 1 comment 1 reaction 0 assignees View on GitHub

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Dominant language
Python
Stars
505
Forks
149
Avg merge
2d 13h
Merged PRs (30d)
7

Description

There is a draft extension added by facebook called Cache-Control: immutable. If a response is served as immutable then that means it will never ever change no matter what. It seems like it would be useful to support this.

Ideally if a response has been marked immutable we can just skip any sort of Etag or freshness handling and just blindly serve the response.

More information here: https://bitsup.blogspot.com/2016/05/cache-control-immutable.html

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No file, test, or entry point is named in the issue. Start by locating Cache-Control parsing and the ETag or freshness handling, then verify that an immutable response bypasses those checks and is served unchanged.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
networking
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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