perf: defer matplotlib imports and lazy-load plot submodule#427
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perf: defer matplotlib imports and lazy-load plot submodule#427
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Replace module-level matplotlib imports with autoarray.plot.utils wrappers across all plot files. Update plot_utils imports to use the new autogalaxy.util.plot_utils path. Lazy-load the plot submodule via __getattr__ in autolens/__init__, deferring matplotlib import cost to first plot access. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
Replace module-level
import matplotlib.pyplot as pltwithsubplots()wrappers fromautoarray.plot.utilsacross all plot files. Updateplot_utilsimports to use the newautogalaxy.util.plot_utilspath. Lazy-load the plot submodule via__getattr__inautolens/__init__.Combined with scipy deferral (PyAutoArray#259, PyAutoFit#1186) and matplotlib deferral (PyAutoGalaxy#330), total
import autolenstime drops from ~2.7s to ~1.9s (30% reduction).Part of #426. Depends on PyAutoLabs/PyAutoArray#259, PyAutoLabs/PyAutoGalaxy#330.
API Changes
None — internal changes only.
Test Plan
pytest test_autolens/ -x— 245 passed/smoke-testFull API Changes (for automation & release notes)
Internal
import matplotlib.pyplot as pltremoved from plot files, replaced withsubplotsfromautoarray.plot.utilsfrom autogalaxy.plot.plot_utilsimports updated tofrom autogalaxy.util.plot_utilsautolens.plotsubmodule lazy-loaded via__getattr__inautolens/__init__🤖 Generated with Claude Code