Repository navigation
Improve import time of various stdlib modules #137855
Description
Feature or enhancement
Proposal:
Following on from #118761 (comment), further improvements can be made to import times.
Notes
We should backport ensure_lazy_imports tests for the 3.14 improvements, to help guard against regressions.
Linked PRs
- gh-137855: Improve import time of
sqlite3#131796 - gh-137855:
email.quoprimimeremovingreimport #132046 - gh-137855: Optimise import time for textwrap #131956
- gh-137855: Lazy import
inspectmodule in dataclasses #144387 - gh-137855: Improve import time of
pathlib#146327 - gh-137855: Improve import time of dataclasses by lazy importing
reandcopymodules #148379 - gh-137855: Improve import time of textwrap by lazy importing re modules #150156
Activity
Rename pythongh-137855
gh-137855: Improve import time of dataclasses by lazy importing `re` …
pythongh-137855: Improve import time of dataclasses by lazy importing…
gh-137855: Lazy import `inspect` module in dataclasses (#144387)
gh-137855: Improve import time of `pathlib` (GH-146327)
hugovk commentedon Jul 25, 2026
3.15 is in feature freeze and almost in RC, let's close this and continue in #154675 for 3.16. Thanks all! 🚀