GH-38868: [C++][Python] Add Array::ToTensor and fixed size list support - #50929

Merged

pitrou merged 26 commits into

apache:mainfrom

AntoinePrv:dl-to-tensor

Sep 3, 2026

Commits on Aug 21, 2026

Rename some functions
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032dfb6
Handle recursive FixedSizeList
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8d04ba0
Factor export device
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e68ce4e
Factorize stride utilities
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36ac290
Add Array::ToTensor
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98b2a9e
Add FixedSizeListArray::ToTensor
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5261798
Remove DLPack support for nested list
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f338b89
Add ToTensor in eror message
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73215e0
Add ToTensor in Python
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4e390a5
Add dlpack to_tensor test
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862ab2d
Remove unecessary changes
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7957226
Fix test
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5d0d7d5
Build derived type in from_storage
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6b55272
Do not use unversionned dlpack
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7ce9d1f
Fix review comments
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9791a66

Commits on Aug 31, 2026

Review round
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8de5ed7
Fix test on old numpy
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a805276

Commits on Sep 1, 2026

Remove unecessary overflow checks
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93ed882
Add allow_nulls options to ToTensor
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5049e06
Add Tensor::FromArray
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5d46307
Add allow_nulls to to_tensor in Python
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3093fc8
Add Python dlpack test with nulls
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2a29d76
Add missing fwd declaration
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057a142
Fix python wrappers
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9683d1e

Commits on Sep 3, 2026

Fix array tests
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ba63f3b
Prefer TypeError
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3fb604f