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ENH: Expose NoDefault in pandas.api.extensions #60696

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merged 3 commits into from
Jan 14, 2025
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ENH: Expose NoDefault in pandas.api.extensions #60696

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ENH: Expose NoDefault in pandas.api.extensions
snitish Jan 12, 2025
60407d2
Add entry to whatsnew
snitish Jan 12, 2025
3a639f8
Address review comment
snitish Jan 14, 2025
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1 change: 1 addition & 0 deletions doc/source/whatsnew/v3.0.0.rst
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Expand Up @@ -30,6 +30,7 @@ Other enhancements
^^^^^^^^^^^^^^^^^^
- :class:`pandas.api.typing.FrozenList` is available for typing the outputs of :attr:`MultiIndex.names`, :attr:`MultiIndex.codes` and :attr:`MultiIndex.levels` (:issue:`58237`)
- :class:`pandas.api.typing.SASReader` is available for typing the output of :func:`read_sas` (:issue:`55689`)
- :class:`pandas.api.extensions.NoDefault` is available for typing ``no_default``
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- :func:`DataFrame.to_excel` now raises an ``UserWarning`` when the character count in a cell exceeds Excel's limitation of 32767 characters (:issue:`56954`)
- :func:`pandas.merge` now validates the ``how`` parameter input (merge type) (:issue:`59435`)
- :func:`read_spss` now supports kwargs to be passed to pyreadstat (:issue:`56356`)
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6 changes: 5 additions & 1 deletion pandas/api/extensions/__init__.py
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Expand Up @@ -2,7 +2,10 @@
Public API for extending pandas objects.
"""

from pandas._libs.lib import no_default
from pandas._libs.lib import (
NoDefault,
no_default,
)

from pandas.core.dtypes.base import (
ExtensionDtype,
Expand All @@ -24,6 +27,7 @@
"ExtensionArray",
"ExtensionDtype",
"ExtensionScalarOpsMixin",
"NoDefault",
"no_default",
"register_dataframe_accessor",
"register_extension_dtype",
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1 change: 1 addition & 0 deletions pandas/tests/api/test_api.py
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Expand Up @@ -328,6 +328,7 @@ class TestApi(Base):
]
allowed_api_extensions = [
"no_default",
"NoDefault",
"ExtensionDtype",
"register_extension_dtype",
"register_dataframe_accessor",
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