GH-43707: [Python] Fix compilation on Cython<3 (#43765)

### Rationale for this change Fix compilation on Cython < 3 ### What changes are included in this PR? Add an explicit cast ### Are these changes tested? N/A ### Are there any user-facing changes? No * GitHub Issue: #43707 Authored-by: David Li <[email protected]> Signed-off-by: Joris Van den Bossche <[email protected]>
apache · Aug 20, 2024 · b0317f2 · b0317f2
1 parent 70a0189
commit b0317f2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/python/pyarrow/types.pxi b/python/pyarrow/types.pxi
@@ -5328,8 +5328,9 @@ def opaque(DataType storage_type, str type_name not None, str vendor_name not No
     cdef:
         c_string c_type_name = tobytes(type_name)
         c_string c_vendor_name = tobytes(vendor_name)
-        shared_ptr[CDataType] c_type = make_shared[COpaqueType](
+        shared_ptr[COpaqueType] c_opaque_type = make_shared[COpaqueType](
             storage_type.sp_type, c_type_name, c_vendor_name)
+        shared_ptr[CDataType] c_type = static_pointer_cast[CDataType, COpaqueType](c_opaque_type)
         OpaqueType out = OpaqueType.__new__(OpaqueType)
     out.init(c_type)
     return out