8000 Convert to compatible NumPy dtype for MaskedArray to_numpy by phofl · Pull Request #55058 · pandas-dev/pandas · GitHub
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Convert to compatible NumPy dtype for MaskedArray to_numpy #55058

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Merged
merged 18 commits into from
Dec 1, 2023
Merged

Convert to compatible NumPy dtype for MaskedArray to_numpy #55058

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c3c718c
Convert masked arrays to valid numpy dtype
phofl Sep 3, 2023
03ff78e
Convert ea to appropriate numpy dtype
phofl Sep 3, 2023
2e1a696
Merge branch 'main' into to_numpy_ea
phofl Sep 7, 2023
92a509f
Fix typing
phofl Sep 10, 2023
d55e41f
Merge branch 'main' into to_numpy_ea
phofl Sep 10, 2023
a37564a
Merge branch 'main' into to_numpy_ea
phofl Sep 30, 2023
e4618bb
Add whatsnew
phofl Sep 30, 2023
72cfba1
Merge branch 'main' into to_numpy_ea
phofl Oct 15, 2023
6223938
Merge remote-tracking branch 'upstream/main' into to_numpy_ea
phofl Nov 16, 2023
207a0d0
Fix test
phofl Nov 17, 2023
8a57091
Try map implementation
phofl Nov 17, 2023
cb7ca91
Add comment
phofl Nov 17, 2023
5c8707a
Try
phofl Nov 17, 2023
76e86f2
Fix
phofl Nov 17, 2023
90bcbe2
Merge branch 'main' into to_numpy_ea
phofl Nov 21, 2023
b39c729
Merge remote-tracking branch 'upstream/main' into to_numpy_ea
phofl Nov 29, 2023
26f8b38
Update
phofl Nov 30, 2023
6dde692
Update doc/source/whatsnew/v2.2.0.rst
phofl Nov 30, 2023
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@phofl
phofl committed Nov 17, 2023
commit cb7ca91462c793ee7dd7869cdeeaf7d00fc6da80
1 change: 1 addition & 0 deletions pandas/io/parsers/base_parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -765,6 +765,7 @@ def _infer_types(
result = ArrowExtensionArray(pa.array(result, from_pandas=True))
elif isinstance(result, BaseMaskedArray):
if result._mask.all():
# We want an arrow null array here
result = result.to_numpy(na_value=None)
result = ArrowExtensionArray(pa.array(result))
else:
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