rok commented on code in PR #38008:
URL: https://github.com/apache/arrow/pull/38008#discussion_r1410029133
##########
python/pyarrow/scalar.pxi:
##########
@@ -1027,6 +1027,31 @@ cdef class ExtensionScalar(Scalar):
return pyarrow_wrap_scalar(<shared_ptr[CScalar]> sp_scalar)
+cdef class VariableShapeTensorScalar(ExtensionScalar):
+ """
+ Concrete class for variable shape tensor extension scalar.
+ """
+
+ def to_numpy_ndarray(self):
+ """
+ Convert variable shape tensor extension scalar to a numpy array.
+ """
+ return self.to_tensor().to_numpy()
+
+ def to_tensor(self):
+ """
+ Convert variable shape tensor extension scalar to a pyarrow.Tensor.
+ """
+ cdef:
+ CVariableShapeTensorType* c_type =
static_pointer_cast[CVariableShapeTensorType, CDataType](
+ self.wrapped.get().type).get()
+ shared_ptr[CExtensionScalar] scalar =
static_pointer_cast[CExtensionScalar, CScalar](self.wrapped)
+ shared_ptr[CTensor] ctensor
+
+ ctensor = GetResultValue(c_type.GetTensor(scalar))
Review Comment:
Done.
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