Convert "osx" gui framework to/from "macosx" in Matplotlib #14420
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This was referenced Apr 26, 2024
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I've pushed a couple more commits to this to be consistent with changes made following review of the corrresponding Matplotlib PR. They are:
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The Matplotlib PR for this (matplotlib/matplotlib#27948) has been merged and will be in 3.9.0 which is at RC stage and should be released later this month. There are no other changes required at either end for this all to work as intended, once that and IPython 8.25 are released. |
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May 7, 2024
This updates the docs in line with the recent changes to move Matplotlib backend resolution to Matplotlib itself. In passing I have removed references to things that have definitely disappeared from Matplotlib (such as `qt4`), and I've added a comment about when `_matplotlib_manages_backends()` can be removed in future. This, along with #14420, should conclude the backend transition.
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Jun 25, 2024
This is a bug that I discovered whilst dealing with matplotlib/matplotlib#28332. The change here is in `TerminalInteractiveShell.enable_gui` which needs to convert a gui of `macosx` from Matplotlib into `osx` in IPython. It reuses the converter function created in #14420. I've added a test that uses `enable_gui` and raises an exception before this PR but passes with it. The remainder of the changes are formatting changes from `pre-commit`.
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This is a correction to the code that moves backend handling to Matplotlib, which came to light during the review of matplotlib/matplotlib#27948. The GUI framework of macOSX is called
osxin IPython butmacosxin Matplotlib.It would be possible to allow passing a GUI framework of
osxto Matplotlib and internally converting it tomacosx, but the reverse direction is problematic as we would like the answer to beosxif we are using IPython andmacosxif using pure Matplotlib. Therefore the simplest solution is to do the translation in IPython. It is not ideal as we want to minimise such Matplotlib-related implementation details in IPython, but the changes here are small and simple and hence I think they are acceptable.There are two new private functions
_convert_gui_to_matplotliband_convert_gui_from_matplotlibto do the required checking and conversion, and these are called whenever a GUI framework name is passed to or from Matplotlib. There are only 3 places in the code where this is currently required.Inevitably this comes to light just after the release of IPython 8.24.0! But it is not a problem for end users until the next Matplotlib release which contains matplotlib/matplotlib#27948. If that occurs really quickly (sometime in May?) perhaps we could release an IPython 8.24.1 just beforehand, otherwise the usual planned release at the end of next month would be fine.