[Python] C++ Extension Types aren't correctly exposed in pyarrow #33801
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kou
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jorisvandenbossche
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Feb 16, 2023
…ow (#33802) * Closes #33801 ### Rationale for this change C++ Extension Types are not correctly exposed in pyarrow ### What changes are included in this PR? `__arrow_ext_class__` and `__arrow_ext_scalar_class__` have been moved from `ExtensionType` to `BaseExtensionType` in types.pxi. ### Are these changes tested? Yes, a test has been added to `test_cython.py`. There may be better locations for this, but the existing cython testing machinery here is useful for generating a C++ extension type on the fly. ### Are there any user-facing changes? I don't believe there are any user-facing changes as `__arrow_ext_class__` and `__arrow_ext_scalar_class__` are moved into a base class. Authored-by: Simon Perkins <simon.perkins@gmail.com> Signed-off-by: Joris Van den Bossche <jorisvandenbossche@gmail.com>
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Issue resolved by pull request 33802 |
gringasalpastor
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Feb 17, 2023
… pyarrow (apache#33802) * Closes apache#33801 ### Rationale for this change C++ Extension Types are not correctly exposed in pyarrow ### What changes are included in this PR? `__arrow_ext_class__` and `__arrow_ext_scalar_class__` have been moved from `ExtensionType` to `BaseExtensionType` in types.pxi. ### Are these changes tested? Yes, a test has been added to `test_cython.py`. There may be better locations for this, but the existing cython testing machinery here is useful for generating a C++ extension type on the fly. ### Are there any user-facing changes? I don't believe there are any user-facing changes as `__arrow_ext_class__` and `__arrow_ext_scalar_class__` are moved into a base class. Authored-by: Simon Perkins <simon.perkins@gmail.com> Signed-off-by: Joris Van den Bossche <jorisvandenbossche@gmail.com>
fatemehp
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Feb 24, 2023
… pyarrow (apache#33802) * Closes apache#33801 ### Rationale for this change C++ Extension Types are not correctly exposed in pyarrow ### What changes are included in this PR? `__arrow_ext_class__` and `__arrow_ext_scalar_class__` have been moved from `ExtensionType` to `BaseExtensionType` in types.pxi. ### Are these changes tested? Yes, a test has been added to `test_cython.py`. There may be better locations for this, but the existing cython testing machinery here is useful for generating a C++ extension type on the fly. ### Are there any user-facing changes? I don't believe there are any user-facing changes as `__arrow_ext_class__` and `__arrow_ext_scalar_class__` are moved into a base class. Authored-by: Simon Perkins <simon.perkins@gmail.com> Signed-off-by: Joris Van den Bossche <jorisvandenbossche@gmail.com>
This was referenced Mar 6, 2023
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Describe the bug, including details regarding any error messages, version, and platform.
Version: master branch (11.0.0)
Platform: Ubuntu 20.04
Neither
__arrow_ext_class__nor__arrow_ext_scalar_class__are exposed onBaseExtensionType.This results in the following sort of errors when trying to access a C++ ExtensionArray/ExtensionType from pyarrow:
See the following, for example:
Component(s)
Python
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