aboderinsamuel commented on code in PR #50203:
URL: https://github.com/apache/arrow/pull/50203#discussion_r3468257250
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python/pyarrow/array.pxi:
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@@ -266,6 +266,24 @@ def array(object obj, type=None, mask=None, size=None,
from_pandas=None,
if type is not None and type.id == _Type_EXTENSION:
extension_type = type
type = type.storage_type
+ # GH-49644: when building a fixed_shape_tensor from a sequence of
arrays,
+ # the converter only sees the flat storage type, so validate the
+ # tensor-specific constraints here where the type is still known.
+ if (isinstance(extension_type, FixedShapeTensorType)
+ and isinstance(obj, (list, tuple))):
Review Comment:
Good catch, applied. The validation now triggers for any non-array Sequence
(excluding str/bytes), not just list/tuple, and added a deque test.
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