dhanusharer opened a new pull request, #40768:
URL: https://github.com/apache/beam/pull/40768
Fixes #40709
### Summary of Changes
- **Dependency & Build:** Enabled `pandas>=2.2.2,<3.2` for Python `>=3.11`
while preserving `pandas<2.4` for Python 3.10 using PEP 508 environment
markers. Added `py311-pandas-30` tox environment and Gradle task.
- **Introspection Hardening:** Added defensive `hasattr()` checks in
`frame_base.py` decorators (`@args_to_kwargs`, `@populate_defaults`,
`@with_docs_from`) to prevent import-time reflection crashes when pandas 3.0
removes deprecated methods or parameters. Handled permanent Copy-on-Write
defaults.
- **DataFrames API Updates:**
- Added `removed_args=['method']` and avoided passing `method` to
`fillna()` under pandas 3.0.
- Added `removed_args=['axis']` to `groupby()` and raised clean
`NotImplementedError` for column-wise groupby.
- Guarded `first`, `last`, and `applymap` with `hasattr()` checks.
- Guarded GroupBy methods (`fillna`, `first`, `last`) with
`hasattr(DataFrameGroupBy, ...)`.
- Removed `method=None` from `_DeferredStringMethods.get_dummies` fillna
call.
- **Typehint Compatibility:** Added support for pandas 3.0 `str`,
`pd.StringDtype`, and datetime dtypes in `dtype_to_fieldtype()`.
- **Tests:** Updated `test_applymap_na_action` to skip on pandas 3.0+ and
added pandas 3.0 `ffill`/`bfill` branch to `test_fillna_columns`.
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