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Title: PERF: _api check function speedups by scottshambaugh · Pull Request #31071 · matplotlib/matplotlib · GitHub

Open Graph Title: PERF: _api check function speedups by scottshambaugh · Pull Request #31071 · matplotlib/matplotlib

X Title: PERF: _api check function speedups by scottshambaugh · Pull Request #31071 · matplotlib/matplotlib

Description: matplotlib: plotting with Python. Contribute to matplotlib/matplotlib development by creating an account on GitHub.

Open Graph Description: PR summary This speeds up the check_* functions in _api, largely by caching the function setup and deferring error handling. This necessarily comes with a big change in how these are called, as the...

X Description: PR summary This speeds up the check_* functions in _api, largely by caching the function setup and deferring error handling. This necessarily comes with a big change in how these are called, as the...

Opengraph URL: https://github.com/matplotlib/matplotlib/pull/31071

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Domain: github.com

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og:image:altPR summary This speeds up the check_* functions in _api, largely by caching the function setup and deferring error handling. This necessarily comes with a big change in how these are called, as the...
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Commits9 (9)https://github.com/matplotlib/matplotlib/pull/31071/commits
Checkshttps://github.com/matplotlib/matplotlib/pull/31071/checks
Files changedhttps://github.com/matplotlib/matplotlib/pull/31071/files
PERF: _api check function speedupshttps://github.com/matplotlib/matplotlib/pull/31071#top
scottshambaughhttps://github.com/scottshambaugh
matplotlib:mainhttps://github.com/matplotlib/matplotlib/tree/main
scottshambaugh:check_size_speeduphttps://github.com/scottshambaugh/matplotlib/tree/check_size_speedup
https://github.com/scottshambaugh
scottshambaughhttps://github.com/scottshambaugh
Feb 4, 2026https://github.com/matplotlib/matplotlib/pull/31071#issue-3893869575
@anntzerhttps://github.com/anntzer
#31001 (comment)https://github.com/matplotlib/matplotlib/pull/31001#discussion_r2760148662
link the related issuehttps://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue
testedhttps://matplotlib.org/devdocs/devel/testing.html
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Please reload this pagehttps://github.com/matplotlib/matplotlib/pull/31071
scottshambaughhttps://github.com/scottshambaugh
February 3, 2026 15:38https://github.com/matplotlib/matplotlib/pull/31071#commits-pushed-2b1e77b
https://github.com/scottshambaugh
Speed up _api.check_shapehttps://github.com/matplotlib/matplotlib/pull/31071/commits/2b1e77bd64e6b37137c4644c223d78e52f9d23de
2b1e77bhttps://github.com/matplotlib/matplotlib/pull/31071/commits/2b1e77bd64e6b37137c4644c223d78e52f9d23de
https://github.com/scottshambaugh
Speed up _api.check_isinstancehttps://github.com/matplotlib/matplotlib/pull/31071/commits/5aa1412055241d797c7f675dc4826c7b95355365
5aa1412https://github.com/matplotlib/matplotlib/pull/31071/commits/5aa1412055241d797c7f675dc4826c7b95355365
https://github.com/scottshambaugh
Speed up _api.check_in_listhttps://github.com/matplotlib/matplotlib/pull/31071/commits/31f0c81cb80d49a7a7efad03ae09d72e3c3c12a3
31f0c81https://github.com/matplotlib/matplotlib/pull/31071/commits/31f0c81cb80d49a7a7efad03ae09d72e3c3c12a3
https://github.com/scottshambaugh
_api.check_getitem API consistencyhttps://github.com/matplotlib/matplotlib/pull/31071/commits/bd1f84eb7e60b20ed96fd6939b48dab7376e50bd
bd1f84ehttps://github.com/matplotlib/matplotlib/pull/31071/commits/bd1f84eb7e60b20ed96fd6939b48dab7376e50bd
https://github.com/apps/github-actions
github-actionshttps://github.com/apps/github-actions
topic: mplot3d https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20mplot3d%22
topic: text https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20text%22
topic: geometry manager https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20geometry%20manager%22
topic: widgets/UI https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20widgets%2FUI%22
topic: rcparams https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20rcparams%22
GUI: Qt https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22GUI%3A%20Qt%22
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backend: agg https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22backend%3A%20agg%22
topic: animation https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20animation%22
topic: path handling https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20path%20handling%22
backend: ps https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22backend%3A%20ps%22
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topic: pyplot API https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20pyplot%20API%22
topic: ticks axis labels https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20ticks%20axis%20labels%22
topic: color/color & colormaps https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20color%2Fcolor%20%26%20colormaps%22
topic: images https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20images%22
topic: text/mathtext https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20text%2Fmathtext%22
topic: legend https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20legend%22
topic: transforms and scales https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20transforms%20and%20scales%22
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Feb 4, 2026https://github.com/matplotlib/matplotlib/pull/31071#event-22513283061
https://github.com/apps/github-actions
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topic: axes https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20axes%22
topic: markers https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20markers%22
topic: figures and subfigures https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20figures%20and%20subfigures%22
topic: canvas and figure manager https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20canvas%20and%20figure%20manager%22
topic: tri https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20tri%22
Feb 4, 2026https://github.com/matplotlib/matplotlib/pull/31071#event-22513283421
https://github.com/scottshambaugh
scottshambaughhttps://github.com/scottshambaugh
Performance https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3APerformance
Feb 4, 2026https://github.com/matplotlib/matplotlib/pull/31071#event-22513283535
https://github.com/scottshambaugh
scottshambaughhttps://github.com/scottshambaugh
Feb 4, 2026 https://github.com/matplotlib/matplotlib/pull/31071#ref-pullrequest-3831754305
PERF: Text handling speedups #31001 https://github.com/matplotlib/matplotlib/pull/31001
https://github.com/anntzer
anntzerhttps://github.com/anntzer
Feb 4, 2026 https://github.com/matplotlib/matplotlib/pull/31071#pullrequestreview-3749573425
View reviewed changes https://github.com/matplotlib/matplotlib/pull/31071/files/bd1f84eb7e60b20ed96fd6939b48dab7376e50bd
lib/matplotlib/_api/__init__.pyhttps://github.com/matplotlib/matplotlib/pull/31071/files/bd1f84eb7e60b20ed96fd6939b48dab7376e50bd#diff-fa505ffb361f16a56c3b9877b1974251cecfdc3f47d19393bf2372919c501522
Please reload this pagehttps://github.com/matplotlib/matplotlib/pull/31071
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View reviewed changes https://github.com/matplotlib/matplotlib/pull/31071/files/bd1f84eb7e60b20ed96fd6939b48dab7376e50bd
lib/matplotlib/_api/__init__.pyhttps://github.com/matplotlib/matplotlib/pull/31071/files/bd1f84eb7e60b20ed96fd6939b48dab7376e50bd#diff-fa505ffb361f16a56c3b9877b1974251cecfdc3f47d19393bf2372919c501522
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February 4, 2026 13:27https://github.com/matplotlib/matplotlib/pull/31071#commits-pushed-6b6250a
https://github.com/scottshambaugh
Lintinghttps://github.com/matplotlib/matplotlib/pull/31071/commits/6b6250a55823492b2f115bb4348ddf1b61391a33
6b6250ahttps://github.com/matplotlib/matplotlib/pull/31071/commits/6b6250a55823492b2f115bb4348ddf1b61391a33
https://github.com/scottshambaugh
Code review updateshttps://github.com/matplotlib/matplotlib/pull/31071/commits/f3bb2ca529c4ec1e4a46110c974ca0e480c7389e
f3bb2cahttps://github.com/matplotlib/matplotlib/pull/31071/commits/f3bb2ca529c4ec1e4a46110c974ca0e480c7389e
https://github.com/scottshambaugh
Rename check_getitem to getitem_checkedhttps://github.com/matplotlib/matplotlib/pull/31071/commits/aaf7b25bd0b7c023f32b1885aa6929a1f67d45d0
aaf7b25https://github.com/matplotlib/matplotlib/pull/31071/commits/aaf7b25bd0b7c023f32b1885aa6929a1f67d45d0
https://github.com/scottshambaugh
More lintinghttps://github.com/matplotlib/matplotlib/pull/31071/commits/af75aa0da98fe513f762d9a5a1bbfe50746b2c0e
af75aa0https://github.com/matplotlib/matplotlib/pull/31071/commits/af75aa0da98fe513f762d9a5a1bbfe50746b2c0e
https://github.com/scottshambaugh
scottshambaughhttps://github.com/scottshambaugh
Feb 4, 2026https://github.com/matplotlib/matplotlib/pull/31071#issuecomment-3849742388
Please reload this pagehttps://github.com/matplotlib/matplotlib/pull/31071
Please reload this pagehttps://github.com/matplotlib/matplotlib/pull/31071
https://github.com/scottshambaugh
Fix errorhttps://github.com/matplotlib/matplotlib/pull/31071/commits/d00c238216db24d7d2b39e4cd43c847e20bd5b72
d00c238https://github.com/matplotlib/matplotlib/pull/31071/commits/d00c238216db24d7d2b39e4cd43c847e20bd5b72
https://github.com/timhoffm
timhoffmhttps://github.com/timhoffm
Feb 4, 2026https://github.com/matplotlib/matplotlib/pull/31071#issuecomment-3850141205
Please reload this pagehttps://github.com/matplotlib/matplotlib/pull/31071
matplotlib/lib/matplotlib/_api/__init__.pyhttps://github.com/matplotlib/matplotlib/blob/607d2c380ff2e65635d7abe9e23b4b68b0e84d7c/lib/matplotlib/_api/__init__.py#L173-L177
607d2c3https://github.com/matplotlib/matplotlib/commit/607d2c380ff2e65635d7abe9e23b4b68b0e84d7c
Please reload this pagehttps://github.com/matplotlib/matplotlib/pull/31071
https://github.com/scottshambaugh
scottshambaughhttps://github.com/scottshambaugh
Feb 4, 2026https://github.com/matplotlib/matplotlib/pull/31071#issuecomment-3850203862
#31001https://github.com/matplotlib/matplotlib/pull/31001
Please reload this pagehttps://github.com/matplotlib/matplotlib/pull/31071
https://github.com/timhoffm
timhoffmhttps://github.com/timhoffm
Feb 5, 2026 https://github.com/matplotlib/matplotlib/pull/31071#ref-pullrequest-3899861458
MNT: Rename check_getitem to getitem_checked #31082 https://github.com/matplotlib/matplotlib/pull/31082
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Feb 5, 2026https://github.com/matplotlib/matplotlib/pull/31071#event-22549597721
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backend: agg https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22backend%3A%20agg%22
backend: cairo https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22backend%3A%20cairo%22
backend: ps https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22backend%3A%20ps%22
GUI: gtk https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22GUI%3A%20gtk%22
GUI: Qt https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22GUI%3A%20Qt%22
GUI: webagg https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22GUI%3A%20webagg%22
GUI: wx https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22GUI%3A%20wx%22
Performance https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3APerformance
topic: animation https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20animation%22
topic: axes https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20axes%22
topic: canvas and figure manager https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20canvas%20and%20figure%20manager%22
topic: categorical https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20categorical%22
topic: collections and mappables https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20collections%20and%20mappables%22
topic: color/color & colormaps https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20color%2Fcolor%20%26%20colormaps%22
topic: contour https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20contour%22
topic: figures and subfigures https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20figures%20and%20subfigures%22
topic: geometry manager https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20geometry%20manager%22
topic: images https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20images%22
topic: legend https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20legend%22
topic: markers https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20markers%22
topic: mplot3d https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20mplot3d%22
topic: path handling https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20path%20handling%22
topic: polar https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20polar%22
topic: pyplot API https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20pyplot%20API%22
topic: rcparams https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20rcparams%22
topic: table https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20table%22
topic: text/mathtext https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20text%2Fmathtext%22
topic: text https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20text%22
topic: ticks axis labels https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20ticks%20axis%20labels%22
topic: transforms and scales https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20transforms%20and%20scales%22
topic: tri https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20tri%22
topic: widgets/UI https://github.com/matplotlib/matplotlib/issues?q=state%3Aopen%20label%3A%22topic%3A%20widgets%2FUI%22
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