Fixed the overdeletion of source images for failing tests#30284
Merged
tacaswell merged 1 commit intomatplotlib:mainfrom Aug 1, 2025
Merged
Fixed the overdeletion of source images for failing tests#30284tacaswell merged 1 commit intomatplotlib:mainfrom
tacaswell merged 1 commit intomatplotlib:mainfrom
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I originally was thinking this should be a Python script, and I'm wondering if that's starting to be the better option now. |
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Heh, shell scripting can certainly be more difficult to read than Python, but I don't think a Python version would be more straightforward. The bug here was in the logic of the approach, and not really affected by the choice of language. I'm of course biased because I just wrote this, but I'd suggest merging this updated shell script because it definitely works. Someone in the future can replace this with a Python version if a benefit is identified. |
QuLogic
approved these changes
Jul 18, 2025
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PR summary
This PR further fixes the deletion of all images that have passed tests before uploading the artifact (see #27882 and #30188). #27882 had separated calls to delete PNGs, PDFs, SVGs, etc., but that approach is flawed because all non-PNG files are converted to PNGs for comparison. That is, there is never a difference PDF, only a difference PDF-converted-to-PNG, which means that the code would always delete PDFs due to the lack of difference PDFs. So, after the fix of #30188, the uploaded artifact would have expected/actual PDF-converted-to-PNG for failing PDF tests, but were missing the expected/actual PDF.
Fixing this required a significant rewrite of the shell script. I've tested this extensively in an unrelated PR with a bunch of failing image tests.
PR checklist