Dev-iL opened a new pull request, #62924:
URL: https://github.com/apache/airflow/pull/62924
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# Remove FAB Provider Python 3.13 Exclusions
## Purpose
Flask AppBuilder (FAB) has recently [released a new version with Python 3.13
support](https://github.com/dpgaspar/Flask-AppBuilder/releases/tag/v5.2.0).
This PR removes all conditional dependencies, version guards, and CI
workarounds that previously excluded the FAB provider from Python 3.13
environments.
## What changed
| Area | Change |
|---|---|
| **Provider metadata** | Removed `excluded-python-versions: ["3.13"]` from
`providers/fab/provider.yaml` and `generated/provider_dependencies.json` |
| **FAB `pyproject.toml`** | Changed `requires-python` from `>=3.10,!=3.13`
to `>=3.10`, added 3.13 classifier, removed `; python_version < '3.13'` markers
from all dependencies |
| **Consumer `pyproject.toml` files** | Removed Python 3.13 exclusion
markers from FAB optional/dev dependencies in root `pyproject.toml`,
`airflow-core`, and the `google`, `databricks`, and `amazon` providers |
| **CI workflows** | Removed FAB-specific 3.13 skip conditions in migration
tests, prod image builds, and SQLAlchemy special tests |
| **Application code** | Removed `_PY313` special-case branch in
`core_api/app.py` that silently swallowed FAB import errors on 3.13 |
| **Tests** | Removed `PY313` skip guards and dead `skip_fab` code in
`test_db.py`; updated `test_selective_checks.py` expectation to empty
excluded-providers dict |
| **Breeze constants** | Reset
`DEFAULT_PYTHON_MAJOR_MINOR_VERSION_FOR_IMAGES` to the standard default (was
pinned to 3.12 due to FAB) |
| **Docs** | Updated dependency tables in READMEs and `docs/index.rst` for
FAB, Google, Databricks, and Amazon providers |
## Expected outcome
- The FAB provider installs and works on Python 3.13 like any other Python
version.
- CI migration tests, image builds, and SQLAlchemy tests run on Python 3.13
with FAB included.
- `pip install apache-airflow[fab]` no longer silently skips FAB on Python
3.13.
- Docker production images for Python 3.13 include the FAB provider.
closes: #52509, #52663
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