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Cleanup converter docs and StrCategoryConverter behavior #29059

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Merged
merged 1 commit into from
Nov 1, 2024
Merged

Cleanup converter docs and StrCategoryConverter behavior #29059

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6 changes: 3 additions & 3 deletions galleries/users_explain/axes/axes_units.py
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Original file line number Diff line number Diff line change
Expand Up @@ -236,7 +236,7 @@
x = np.arange(100)
ax = axs[0]
ax.plot(x, x)
label = f'Converter: {ax.xaxis.converter}\n '
label = f'Converter: {ax.xaxis.get_converter()}\n '
label += f'Locator: {ax.xaxis.get_major_locator()}\n'
label += f'Formatter: {ax.xaxis.get_major_formatter()}\n'
ax.set_xlabel(label)
Expand All @@ -245,7 +245,7 @@
time = np.arange('1980-01-01', '1980-06-25', dtype='datetime64[D]')
x = np.arange(len(time))
ax.plot(time, x)
label = f'Converter: {ax.xaxis.converter}\n '
label = f'Converter: {ax.xaxis.get_converter()}\n '
label += f'Locator: {ax.xaxis.get_major_locator()}\n'
label += f'Formatter: {ax.xaxis.get_major_formatter()}\n'
ax.set_xlabel(label)
Expand All @@ -255,7 +255,7 @@
names = list(data.keys())
values = list(data.values())
ax.plot(names, values)
label = f'Converter: {ax.xaxis.converter}\n '
label = f'Converter: {ax.xaxis.get_converter()}\n '
label += f'Locator: {ax.xaxis.get_major_locator()}\n'
label += f'Formatter: {ax.xaxis.get_major_formatter()}\n'
ax.set_xlabel(label)
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9 changes: 5 additions & 4 deletions lib/matplotlib/category.py
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Expand Up @@ -227,7 +227,8 @@ def update(self, data):


# Register the converter with Matplotlib's unit framework
units.registry[str] = StrCategoryConverter()
units.registry[np.str_] = StrCategoryConverter()
units.registry[bytes] = StrCategoryConverter()
units.registry[np.bytes_] = StrCategoryConverter()
# Intentionally set to a single instance
units.registry[str] = \
units.registry[np.str_] = \
units.registry[bytes] = \
units.registry[np.bytes_] = StrCategoryConverter()
8 changes: 8 additions & 0 deletions lib/matplotlib/tests/test_category.py
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Expand Up @@ -246,6 +246,14 @@ def test_update_plot(self, plotter):
axis_test(ax.xaxis, ['a', 'b', 'd', 'c'])
axis_test(ax.yaxis, ['e', 'g', 'f', 'a', 'b', 'd'])

def test_update_plot_heterogenous_plotter(self):
ax = plt.figure().subplots()
ax.scatter(['a', 'b'], ['e', 'g'])
ax.plot(['a', 'b', 'd'], ['f', 'a', 'b'])
ax.bar(['b', 'c', 'd'], ['g', 'e', 'd'])
axis_test(ax.xaxis, ['a', 'b', 'd', 'c'])
axis_test(ax.yaxis, ['e', 'g', 'f', 'a', 'b', 'd'])
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b doesn't end up on the yaxis so I don't think this test should pass?

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Never mind, just saw the b 🤦


failing_test_cases = [("mixed", ['A', 3.14]),
("number integer", ['1', 1]),
("string integer", ['42', 42]),
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