feat(array): #624 accumulate #1400
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Dr-Irv
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Oct 3, 2025
tests/series/test_properties.py
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| assert_type( | ||
| pd.Series([1], dtype="category").array, | ||
| pd.Categorical, | ||
| cast("Series[Int64Dtype]", Series([1, NA], dtype="Int64")).array, |
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I think we should not have a test like this for 2 reasons:
- It encourages the use of
Series[Int64Dtype]and I just don't think we would introduce that. Also, thenInt64Dtypeshould really be inS1 - We can have a test with
dtype="Int64", but then the results will just be anExtensionArrayfor now, and if someone wants the real type, they can cast the result.
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| def __get__( | ||
| self, instance: IndexOpsMixin[Int64Dtype], owner: type[IndexOpsMixin] | ||
| ) -> IntegerArray: ... |
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I don't think this should exist because Int64Dtype is in S1, and I don't want to introduce that now, because it will open up a whole set of new issues.
I don't think we need to create a new type for that. The extension array stuff isn't widely used. |
Dr-Irv
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Oct 3, 2025
cmp0xff
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Oct 3, 2025
tests/series/test_properties.py
Outdated
| assert_type( | ||
| pd.Series([1], dtype="category").array, | ||
| pd.Categorical, | ||
| cast("Series[Int64Dtype]", Series([1, NA], dtype="Int64")).array, |
Comment on lines
471
to
473
| def __get__( | ||
| self, instance: IndexOpsMixin[Int64Dtype], owner: type[IndexOpsMixin] | ||
| ) -> IntegerArray: ... |
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Added cumsum, cumprod, cummin and cummax to the ExtensionArray interface via _accumulate(partially resolving it)