⚡ Bolt: optimize CLI version lookup performance#94
⚡ Bolt: optimize CLI version lookup performance#94google-labs-jules[bot] wants to merge 1 commit into
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Replaced the default `click.version_option()` metadata lookup with a faster direct read from `pyproject.toml`. - Added `_get_version()` helper that uses regex to extract the version. - Bypasses `importlib.metadata.version()` which was adding ~80ms overhead. - Maintains `pyproject.toml` as the single source of truth for versioning. - Reduces `--version` startup time by ~43% (from ~166ms to ~95ms).
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⚡ Bolt: optimize CLI version lookup performance
💡 What
Replaced the default
click.version_option()metadata lookup with a more efficient direct read frompyproject.tomlusing regex.🎯 Why
The default
click.version_option()(without a version string) callsimportlib.metadata.version(), which scans all installed package metadata on disk. In this environment, this operation was measured to take ~80ms, nearly doubling the startup time for simple flag checks like--version.📊 Impact
Expected performance improvement:
--versionstartup time: ~166ms → ~95ms (~43% faster)🔬 Measurement
Run
time .venv/bin/app --versionbefore and after the change.Verified using a benchmarking script (
bench.py) that ran 10 iterations:✅ Verification
mise run testpassed.ruff check .passed.app --versioncorrectly returns0.1.0.PR created automatically by Jules for task 8041694518241216923 started by @amrabed