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ENH: Plotting support for ExtensionArrays - #28

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Julian-Harbeck/plotting-support-ea
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ENH: Plotting support for ExtensionArrays#28
xirafa wants to merge 27 commits into
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Julian-Harbeck/plotting-support-ea

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@xirafa

@xirafa xirafa commented Jul 28, 2026

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Mirror of pandas-dev/pandas#64535. Runs the pandas test suite through dagz.

Julian-Harbeck and others added 24 commits March 11, 2026 18:43
@Julian-Harbeck
Add plotting support for ExtensionArrays:
0ef7893 
- Add `_is_plotable` flag to ExtensionDtype
- Add `_get_plot_converter()` method to ExtensionDtype to get type and ConversionInterface for matplotlib units registry
- Include EAs in registration of ConversionInterfaces to matplotlib
- Include plotable EA dtypes in `_compute_plot_data` dtype selection
@Julian-Harbeck
Add quotation marks for matplotlib type annotation
3eda264
@Julian-Harbeck
Change plotable to plottable
7fca751
@Julian-Harbeck
Try if importing matplotlib.units in TYPE_CHECKING works
0ed3bc5
@Julian-Harbeck
mypy
7ccdae9
@Julian-Harbeck
mypy again
976356a
@Julian-Harbeck
Utilize mgr._get_data_subset instead of DataFrame select_dtypes
a731f33
@Julian-Harbeck
Use dtype._get_plot_converter to get plottable types supported by EAs
ff24e0f
@Julian-Harbeck
Remove _is_plottable flag from ExtensionDtype and instead of rais…
2bd6cb4 
…ing by default just return `None` in `_get_plot_converter`
@Julian-Harbeck
Support plotting of all ExtensionDtypes with _is_numeric flag
22ab8d0
@Julian-Harbeck
Merge branch 'main' into plotting-support-ea
e4bf67b
@Julian-Harbeck
Move plotting converters for Timestamp and Period to respective E…
fec4d87 
…xtensionDtype: `DatetimeTZDtype`/`PeriodDtype`
@Julian-Harbeck
Remove ArrowDtype to numpy dtype in predicate, add more types to …
89fc963 
…`plottable_types` instead
@Julian-Harbeck
Add BasePlottingTests class for testing EAs for plotting compatibil…
e1badc1 
…ity:

- Includes tests `test_plot_on_x_axis` and `test_plot_on_y_axis`
- Extends `ExtensionTests` to also inherit from `BasePlottingTests`
- Adds `xfail` or `skip` marker to EAs test that cannot be plotted
@Julian-Harbeck
clean-up
d4aa963
@Julian-Harbeck
pre-commit
ec36720
@Julian-Harbeck
mypy
3fbc132
@Julian-Harbeck
Skip tests if no matplotlib
dea09b2
@Julian-Harbeck
Address cosmetic comments
a0b042d
@Julian-Harbeck
Move setting of include_bool flag to test
b9259e5
@Julian-Harbeck
Add pytest filterwarning for PyparsingDeprecationWarning issued by …
af66448 
…pyparsing >= 3.3.0 and matplotlib < 3.11
@Julian-Harbeck
Add link to matplotlib PR
dc74848
@Julian-Harbeck
Move filter for enablePackrat DeprecationWarning from pyproject to …
64319bb 
…class as pyparsing is not available in every CI job
@Julian-Harbeck
Move filterwarnings before import of mpl submodules
a01073a
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📥 Commits

Reviewing files that changed from the base of the PR and between 025475b and 81a8dba.

📒 Files selected for processing (14)
  • pandas/core/dtypes/base.py
  • pandas/core/dtypes/dtypes.py
  • pandas/plotting/_matplotlib/converter.py
  • pandas/plotting/_matplotlib/core.py
  • pandas/tests/extension/base/__init__.py
  • pandas/tests/extension/base/plotting.py
  • pandas/tests/extension/json/test_json.py
  • pandas/tests/extension/test_arrow.py
  • pandas/tests/extension/test_categorical.py
  • pandas/tests/extension/test_datetime.py
  • pandas/tests/extension/test_interval.py
  • pandas/tests/extension/test_numpy.py
  • pandas/tests/extension/test_period.py
  • pandas/tests/extension/test_string.py
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@xirafa
xirafa force-pushed the main branch 4 times, most recently from d07e2c6 to 499a072 Compare July 28, 2026 21:27
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@xirafa @Julian-Harbeck