ci: add pip and hatch environment caching to reusable python build#76
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crowecawcaw merged 1 commit intoaws-deadline:mainlinefrom Apr 17, 2026
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Add cache: pip to setup-python for pip download caching. Add actions/cache for the full hatch virtualenv environment, keyed on OS, python version, and dependency file hashes. Uses HATCH_DATA_DIR to normalize the env path across platforms. Release artifacts (PyPI packages, installers) are built in separate jobs with clean environments, so the cache does not affect published artifacts. Signed-off-by: Stephen Crowe <6042774+crowecawcaw@users.noreply.github.com>
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karthikbekalp
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Apr 17, 2026
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karthikbekalp
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Nice, I think we can add more comments on how the cache eviction takes place but that's a nit.
leon-li-inspire
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Apr 17, 2026
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What was the problem/requirement? (What/Why)
CI builds spent about half their time downloading dependencies and setting up environments.
What was the solution? (How)
Add cache: pip to setup-python for pip download caching. Add actions/cache for the full hatch virtualenv environment, keyed on OS, python version, and dependency file hashes. Uses HATCH_DATA_DIR to normalize the env path across platforms.
Release artifacts (PyPI packages, installers) are built in separate jobs with clean environments, so the cache does not affect published artifacts.
What is the impact of this change?
Faster builds
Tested on crowecawcaw/deadline-cloud PR #1 (3 OS × 7 Python versions = 24 jobs)
How was this change tested?
Tested in my fork, above.
Was this change documented?
n/a
Is this a breaking change?
No
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