Apache Arrow PyArrow Stubs Codebase Intellectual Property (IP) Clearance Status
Description
pyarrow-stubs provides PEP 484 type stub annotations for PyArrow, the Python bindings for Apache Arrow. The stubs enable static type checking of PyArrow-based code using tools such as mypy and pyright. The donated codebase is the existing external library maintained at zen-xu/pyarrow-stubs, contributed in modified form as a series of pull requests into the main Apache Arrow repository.
Project info
- The Apache Arrow PMC will be responsible for the code.
- It will be integrated into the Apache Arrow project (apache/arrow).
- Officer or member managing donation: Rok Mihevc (Apache Arrow PMC Member)
Completed tasks are shown by the completion date (YYYY-MM-dd).
Identify the codebase
| date | item | |
|---|---|---|
| 2026-05-05 | If applicable, make sure that any associated name does not already exist and is not already trademarked for an existing software product. | The name "pyarrow-stubs" is a descriptive term for Python type stubs for PyArrow and is not trademarked. |
Origin SHA1 (as per GitHub): 148368c532f96f953cf39f34120da9d1043bb4dc
https://github.com/zen-xu/pyarrow-stubs/commit/148368c532f96f953cf39f34120da9d1043bb4dc is being contributed in modified form as a series of Apache Arrow pull requests beginning with https://github.com/apache/arrow/pull/48622
Copyright
| date | item |
|---|---|
| 2026-05-05 | Check and make sure that the papers that transfer rights to the ASF been received. It is only necessary to transfer rights for the package, the core code, and any new code produced by the project. |
| 2026-05-05 | Check and make sure that the files that have been donated have been updated to reflect the new ASF copyright. |
Identify name recorded for software grant: Software Grant from ZhengYu Xu
Verify distribution rights
Corporations and individuals holding existing distribution rights:
- ZhengYu Xu (zen-xu), the primary author of the pyarrow-stubs library, named copyright holder per BSD 2-Clause LICENSE file ("Copyright (c) 2024, ZhengYu, Xu"). Has filed a Software Grant with the ASF Secretary.
| date | item |
|---|---|
| 2026-05-05 | Check that all active committers have a signed CLA on record. |
| 2026-05-05 | Remind active committers that they are responsible for ensuring that a Corporate CLA is recorded if such is required to authorize their contributions under their individual CLA. |
| 2026-05-05 | Check and make sure that for all items included with the distribution that is not under the Apache license, we have the right to combine with Apache-licensed code and redistribute. |
| 2026-05-05 | Check and make sure that all items depended upon by the project is covered by one or more of the following approved licenses: Apache, BSD, Artistic, MIT/X, MIT/W3C, MPL 1.1, or something with essentially the same terms. |
Generally, the result of checking off these items will be a Software Grant, CLA, and Corporate CLA for ASF licensed code, which must have no dependencies upon items whose licenses that are incompatible with the Apache License.