ExtensionArray.Round method and tests #54582
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mroeschke
added
the
ExtensionArray
mroeschke
reviewed
Sep 1, 2023
jbrockmendel
reviewed
Sep 6, 2023
jbrockmendel
reviewed
Sep 6, 2023
jbrockmendel
reviewed
Sep 6, 2023
jbrockmendel
reviewed
Sep 6, 2023
andrewgsavage
commented
Sep 6, 2023
mroeschke
reviewed
Nov 8, 2023
| @@ -1094,7 +1094,8 @@ def round(self, decimals: int = 0, *args, **kwargs) -> Self: | |||
| DataFrame.round : Round values of a DataFrame. | |||
| Series.round : Round values of a Series. | |||
| """ | |||
| return type(self)(pc.round(self._pa_array, ndigits=decimals)) | |||
| result = pc.round(self._pa_array, ndigits=decimals) | |||
| return type(self)(result.cast(self._pa_array.type)) | |||
mroeschke
reviewed
Nov 8, 2023
|
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| def test_round(self, data): | ||
| if not data.dtype._is_numeric or data.dtype._is_boolean: | ||
| pytest.skip("Round is only valid for numeric non-boolean dtypes") |
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Can you test that would raise a TypeError instead?
mroeschke
reviewed
Nov 8, 2023
pandas/core/arrays/base.py
Outdated
| f"Cannot round {type(self)} dtype as it is non-numeric or boolean" | ||
| ) | ||
| return self._from_sequence( | ||
| [round(element) if not isna(element) else element for element in self], |
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self.isna or the self.dtype.na_value should probably be used to check for na instead of isna
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this is ready for review again |
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Let's do this! |
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poke @jbrockmendel |
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This pull request is stale because it has been open for thirty days with no activity. Please update and respond to this comment if you're still interested in working on this. |
pandas/core/arrays/base.py
Outdated
| # Implementers are encouraged to override this method to avoid | ||
| # elementwise rounding. | ||
| if self.dtype._is_boolean: | ||
| return self |
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| def test_round(self, data): | ||
| if not data.dtype._is_numeric: | ||
| with pytest.raises(TypeError): |
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doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.This adds abstract round method in ExtensionOpsMixin to tell EA authors to implement round, and provides a round test.