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Add show_backends and print show_versions as markdown - #11700
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show_backends prints the available IO backends, including those of other packages, with their description, url and providing package, in the order they are tried when no engine is given. show_versions now prints markdown tables wrapped in a <details> block, so the output can be pasted as is into GitHub issues, and displays formatted tables in Jupyter notebooks. Versions are read from the package metadata instead of importing the packages. Co-authored-by: Nick Hodgskin <VeckoTheGecko@users.noreply.github.com> Co-authored-by: Claude <noreply@anthropic.com> Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Terminals get the simple text output again, notebooks still display the formatted markdown and markdown=True prints it for GitHub issues. This also restores the bug report template, as old xarray versions print plain text. Co-authored-by: Claude <noreply@anthropic.com> Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The markdown tables rendered right aligned and squeezed together in Jupyter. Use titled, left aligned HTML tables next to each other instead. Co-authored-by: Claude <noreply@anthropic.com> Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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When using in Jupyter notebooks (dark more for me): In cmd you will get the previous simple text output. Additionally you can use |
Copying the displayed show_versions or show_backends output in a notebook gives the markdown to paste into a GitHub issue. show_backends is displayed as HTML too, and the display includes the plain text for frontends without HTML support like jupyter console. Co-authored-by: Claude <noreply@anthropic.com> Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: Claude <noreply@anthropic.com> Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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ok, this got fancy enough. Now when you copy the output of |
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October 22, 2026 11:42
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> # Conflicts: # xarray/util/print_versions.py
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Description
Adds
xr.show_backends()and givesxr.show_versions()a formatted notebook display and a markdown option for GitHub issues. Supersedes #9821, which addedshow_backendsas an alias oflist_engines.show_backendsprints the available backends, including third-party ones, in the order they are tried when noengineis given, with description, url and the providing package.<details>withmarkdown=True.show_versionsreads versions from the package metadata instead of importing every package, and drops rows of missing packages in favour of a single "Not installed" line.Checklist
whats-new.rstapi.rstAI Disclosure
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