[issue44128] zipfile: Deduplicate ZipExtFile code for init and resetting when seeking

Change by Daniel Hillier : -- keywords: +patch pull_requests: +24761 stage: -> patch review pull_request: https://github.com/python/cpython/pull/26116 ___ Python tracker ___

[issue44128] zipfile: Deduplicate ZipExtFile code for init and resetting when seeking

New submission from Daniel Hillier : Integrating a refactor suggested in https://bugs.python.org/issue38334 The logic for preparing a ZipExtFile for reading (setting CRC state, read positions, etc) is currently in two locations: first initialisation and when seeking back to the start of a