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support bleach 5, add packaging and tinycss2 dependencies #1755

merged 5 commits into from Apr 8, 2022


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@bollwyvl bollwyvl commented Apr 7, 2022


Code Changes

  • add dependency on packaging, which was previously being provided by bleach
    • it's better if we can support bleach 4 and 5
  • add dependency on tinycss2
    • it has a rather tight pin upstream, but is hidden behind an [extra], sigh
  • sort dependencies
  • add compatibility for bleach 5 with tinycss2
    • fallback to bleach 4, with deprecation warning
      • fallback with to no CSS santizaton, with user warning


  • pin to bleach<5 (not great, because security-related)
  • pin to bleach>=5 (not terrible)

@bollwyvl bollwyvl marked this pull request as ready for review April 7, 2022 19:01
@bollwyvl bollwyvl changed the title add packaging dependency support bleach 5, add packaginga and tinycss2 dependencies Apr 7, 2022
@bollwyvl bollwyvl changed the title support bleach 5, add packaginga and tinycss2 dependencies support bleach 5, add packaging and tinycss2 dependencies Apr 7, 2022
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@blink1073 blink1073 merged commit c53c97c into jupyter:main Apr 8, 2022
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s-weigand commented Apr 9, 2022

Any chance that there will be a release with this fix in it soon?
Currently, the missing packaging dependency is breaking my pre-commit hook.

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I plan to make a release on Monday.

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3 participants