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Allow third party libraries to provide new zipfile compression methods #113767
Description
Feature or enhancement
Proposal:
The zipfile module comes with a few compression methods supported in the standard library. However we never provided a way for new methods to be added by third parties. We should, (a) so that we don't need to add every popular compression method to the stdlib and (b) so that people with more optimal implementations of our existing compressors can use their own implementations instead.
Has this already been discussed elsewhere?
No response given
Links to previous discussion of this feature:
No response
Activity
ronaldoussoren commentedon Jan 6, 2024
See also: #103412, an issue about adding support for reading older zipfile formats (compression methods)
gpshead commentedon May 21, 2025
chatted with @emmatyping at the pycon US sprint today, she's going to take this on.