DEPR: non-keyword arguments

doc/source/whatsnew/v2.0.0.rst

@@ -193,6 +193,19 @@ Removal of prior version deprecations/changes
 - Disallow passing non-round floats to :class:`Timestamp` with ``unit="M"`` or ``unit="Y"`` (:issue:`47266`)
 - Remove keywords ``convert_float`` and ``mangle_dupe_cols`` from :func:`read_excel` (:issue:`41176`)
 - Disallow passing non-keyword arguments to :func:`read_excel` except ``io`` and ``sheet_name`` (:issue:`34418`)
+- Disallow passing non-keyword arguments to :meth:`DataFrame.drop_duplicates` except for ``subset`` (:issue:`41485`)
+- Disallow passing non-keyword arguments to :meth:`DataFrame.sort_index` and :meth:`Series.sort_index` (:issue:`41506`)
+- Disallow passing non-keyword arguments to :meth:`DataFrame.interpolate` and :meth:`Series.interpolate` except for ``method`` (:issue:`41510`)
+- Disallow passing non-keyword arguments to :meth:`DataFrame.any` and :meth:`Series.any` (:issue:`44896`)
+- Disallow passing non-keyword arguments to :meth:`Index.set_names` except for ``names`` (:issue:`41551`)
+- Disallow passing non-keyword arguments to :meth:`Index.join` except for ``other`` (:issue:`46518`)
+- Disallow passing non-keyword arguments to :func:`concat` except for ``objs`` (:issue:`41485`)
+- Disallow passing non-keyword arguments to :func:`pivot` except for ``data`` (:issue:`48301`)
+- Disallow passing non-keyword arguments to :meth:`DataFrame.pivot` (:issue:`48301`)
+- Disallow passing non-keyword arguments to :func:`read_json` except for ``path_or_buf`` (:issue:`27573`)
+- Disallow passing non-keyword arguments to :func:`read_sas` except for ``filepath_or_buffer`` (:issue:`47154`)
+- Disallow passing non-keyword arguments to :func:`read_stata` except for ``filepath_or_buffer`` (:issue:`48128`)
+- Disallow passing non-keyword arguments to :func:`read_xml` except for ``path_or_buffer`` (:issue:`45133`)
 - Disallow passing non-keyword arguments to :meth:`Series.mask` and :meth:`DataFrame.mask` except ``cond`` and ``other`` (:issue:`41580`)
 - Disallow passing non-keyword arguments to :meth:`DataFrame.to_stata` except for ``path`` (:issue:`48128`)
 - Disallow passing non-keyword arguments to :meth:`DataFrame.where` and :meth:`Series.where` except for ``cond`` and ``other`` (:issue:`41523`)

pandas/core/frame.py

@@ -6556,10 +6556,10 @@ def dropna(
         self._update_inplace(result)
         return None
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self", "subset"])
     def drop_duplicates(
         self,
         subset: Hashable | Sequence[Hashable] | None = None,
+        *,
         keep: DropKeep = "first",
         inplace: bool = False,
         ignore_index: bool = False,
@@ -6964,10 +6964,9 @@ def sort_index(
     ) -> DataFrame | None:
         ...
 
-    # error: Signature of "sort_index" incompatible with supertype "NDFrame"
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
-    def sort_index(  # type: ignore[override]
+    def sort_index(
         self,
+        *,
         axis: Axis = 0,
         level: IndexLabel = None,
         ascending: bool | Sequence[bool] = True,
@@ -11794,10 +11793,10 @@ def clip(
     ) -> DataFrame | None:
         return super().clip(lower, upper, axis=axis, inplace=inplace, **kwargs)
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self", "method"])
     def interpolate(
         self: DataFrame,
         method: str = "linear",
+        *,
         axis: Axis = 0,
         limit: int | None = None,
         inplace: bool = False,
@@ -11807,13 +11806,13 @@ def interpolate(
         **kwargs,
     ) -> DataFrame | None:
         return super().interpolate(
-            method,
-            axis,
-            limit,
-            inplace,
-            limit_direction,
-            limit_area,
-            downcast,
+            method=method,
+            axis=axis,
+            limit=limit,
+            inplace=inplace,
+            limit_direction=limit_direction,
+            limit_area=limit_area,
+            downcast=downcast,
             **kwargs,
         )
 

pandas/core/generic.py

@@ -5000,6 +5000,7 @@ def sort_index(
 
     def sort_index(
         self: NDFrameT,
+        *,
         axis: Axis = 0,
         level: IndexLabel = None,
         ascending: bool_t | Sequence[bool_t] = True,
@@ -7312,6 +7313,7 @@ def replace(
     def interpolate(
         self: NDFrameT,
         method: str = "linear",
+        *,
         axis: Axis = 0,
         limit: int | None = None,
         inplace: bool_t = False,
@@ -11429,11 +11431,6 @@ def _add_numeric_operations(cls) -> None:
         """
         axis_descr, name1, name2 = _doc_params(cls)
 
-        @deprecate_nonkeyword_arguments(
-            version=None,
-            allowed_args=["self"],
-            name="DataFrame.any and Series.any",
-        )
         @doc(
             _bool_doc,
             desc=_any_desc,
@@ -11446,13 +11443,21 @@ def _add_numeric_operations(cls) -> None:
         )
         def any(
             self,
+            *,
             axis: Axis = 0,
             bool_only=None,
             skipna: bool_t = True,
             level=None,
             **kwargs,
         ):
-            return NDFrame.any(self, axis, bool_only, skipna, level, **kwargs)
+            return NDFrame.any(
+                self,
+                axis=axis,
+                bool_only=bool_only,
+                skipna=skipna,
+                level=level,
+                **kwargs,
+            )
 
         setattr(cls, "any", any)
 

pandas/core/indexes/base.py

@@ -223,7 +223,8 @@ def _maybe_return_indexers(meth: F) -> F:
     @functools.wraps(meth)
     def join(
         self,
-        other,
+        other: Index,
+        *,
         how: str_t = "left",
         level=None,
         return_indexers: bool = False,
@@ -1803,9 +1804,8 @@ def set_names(
     ) -> _IndexT | None:
         ...
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self", "names"])
     def set_names(
-        self: _IndexT, names, level=None, inplace: bool = False
+        self: _IndexT, names, *, level=None, inplace: bool = False
     ) -> _IndexT | None:
         """
         Set Index or MultiIndex name.
@@ -4537,11 +4537,11 @@ def join(
         ...
 
     @final
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self", "other"])
     @_maybe_return_indexers
     def join(
         self,
         other: Index,
+        *,
         how: str_t = "left",
         level: Level = None,
         return_indexers: bool = False,

pandas/core/indexes/multi.py

@@ -50,7 +50,6 @@
 from pandas.util._decorators import (
     Appender,
     cache_readonly,
-    deprecate_nonkeyword_arguments,
     doc,
 )
 from pandas.util._exceptions import find_stack_level
@@ -3786,10 +3785,8 @@ def set_names(self, names, *, level=..., inplace: Literal[True]) -> None:
     def set_names(self, names, *, level=..., inplace: bool = ...) -> MultiIndex | None:
         ...
 
-    # error: Signature of "set_names" incompatible with supertype "Index"
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self", "names"])
-    def set_names(  # type: ignore[override]
-        self, names, level=None, inplace: bool = False
+    def set_names(
+        self, names, *, level=None, inplace: bool = False
     ) -> MultiIndex | None:
         return super().set_names(names=names, level=level, inplace=inplace)
 

pandas/core/reshape/concat.py

@@ -23,10 +23,7 @@
     AxisInt,
     HashableT,
 )
-from pandas.util._decorators import (
-    cache_readonly,
-    deprecate_nonkeyword_arguments,
-)
+from pandas.util._decorators import cache_readonly
 from pandas.util._exceptions import find_stack_level
 
 from pandas.core.dtypes.concat import concat_compat
@@ -67,6 +64,7 @@
 @overload
 def concat(
     objs: Iterable[DataFrame] | Mapping[HashableT, DataFrame],
+    *,
     axis: Literal[0, "index"] = ...,
     join: str = ...,
     ignore_index: bool = ...,
@@ -83,6 +81,7 @@ def concat(
 @overload
 def concat(
     objs: Iterable[Series] | Mapping[HashableT, Series],
+    *,
     axis: Literal[0, "index"] = ...,
     join: str = ...,
     ignore_index: bool = ...,
@@ -99,6 +98,7 @@ def concat(
 @overload
 def concat(
     objs: Iterable[NDFrame] | Mapping[HashableT, NDFrame],
+    *,
     axis: Literal[0, "index"] = ...,
     join: str = ...,
     ignore_index: bool = ...,
@@ -115,6 +115,7 @@ def concat(
 @overload
 def concat(
     objs: Iterable[NDFrame] | Mapping[HashableT, NDFrame],
+    *,
     axis: Literal[1, "columns"],
     join: str = ...,
     ignore_index: bool = ...,
@@ -131,6 +132,7 @@ def concat(
 @overload
 def concat(
     objs: Iterable[NDFrame] | Mapping[HashableT, NDFrame],
+    *,
     axis: Axis = ...,
     join: str = ...,
     ignore_index: bool = ...,
@@ -144,9 +146,9 @@ def concat(
     ...
 
 
-@deprecate_nonkeyword_arguments(version=None, allowed_args=["objs"])
 def concat(
     objs: Iterable[NDFrame] | Mapping[HashableT, NDFrame],
+    *,
     axis: Axis = 0,
     join: str = "outer",
     ignore_index: bool = False,

pandas/core/reshape/pivot.py

@@ -20,7 +20,6 @@
 from pandas.util._decorators import (
     Appender,
     Substitution,
-    deprecate_nonkeyword_arguments,
 )
 
 from pandas.core.dtypes.cast import maybe_downcast_to_dtype
@@ -493,9 +492,9 @@ def _convert_by(by):
 
 @Substitution("\ndata : DataFrame")
 @Appender(_shared_docs["pivot"], indents=1)
-@deprecate_nonkeyword_arguments(version=None, allowed_args=["data"])
 def pivot(
     data: DataFrame,
+    *,
     index: IndexLabel | lib.NoDefault = lib.NoDefault,
     columns: IndexLabel | lib.NoDefault = lib.NoDefault,
     values: IndexLabel | lib.NoDefault = lib.NoDefault,

pandas/core/series.py

@@ -3767,10 +3767,9 @@ def sort_index(
     ) -> Series | None:
         ...
 
-    # error: Signature of "sort_index" incompatible with supertype "NDFrame"
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
-    def sort_index(  # type: ignore[override]
+    def sort_index(
         self,
+        *,
         axis: Axis = 0,
         level: IndexLabel = None,
         ascending: bool | Sequence[bool] = True,
@@ -5993,10 +5992,10 @@ def clip(
     ) -> Series | None:
         return super().clip(lower, upper, axis=axis, inplace=inplace, **kwargs)
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self", "method"])
     def interpolate(
         self: Series,
         method: str = "linear",
+        *,
         axis: Axis = 0,
         limit: int | None = None,
         inplace: bool = False,
@@ -6006,13 +6005,13 @@ def interpolate(
         **kwargs,
     ) -> Series | None:
         return super().interpolate(
-            method,
-            axis,
-            limit,
-            inplace,
-            limit_direction,
-            limit_area,
-            downcast,
+            method=method,
+            axis=axis,
+            limit=limit,
+            inplace=inplace,
+            limit_direction=limit_direction,
+            limit_area=limit_area,
+            downcast=downcast,
             **kwargs,
         )
 

pandas/io/json/_json.py

@@ -34,10 +34,7 @@
     WriteBuffer,
 )
 from pandas.errors import AbstractMethodError
-from pandas.util._decorators import (
-    deprecate_nonkeyword_arguments,
-    doc,
-)
+from pandas.util._decorators import doc
 
 from pandas.core.dtypes.common import (
     ensure_str,
@@ -452,6 +449,7 @@ def read_json(
 @overload
 def read_json(
     path_or_buf: FilePath | ReadBuffer[str] | ReadBuffer[bytes],
+    *,
     orient: str | None = ...,
     typ: Literal["frame"] = ...,
     dtype: DtypeArg | None = ...,
@@ -475,9 +473,9 @@ def read_json(
     storage_options=_shared_docs["storage_options"],
     decompression_options=_shared_docs["decompression_options"] % "path_or_buf",
 )
-@deprecate_nonkeyword_arguments(version="2.0", allowed_args=["path_or_buf"])
 def read_json(
     path_or_buf: FilePath | ReadBuffer[str] | ReadBuffer[bytes],
+    *,
     orient: str | None = None,
     typ: Literal["frame", "series"] = "frame",
     dtype: DtypeArg | None = None,

pandas/io/sas/sasreader.py

@@ -19,10 +19,7 @@
     FilePath,
     ReadBuffer,
 )
-from pandas.util._decorators import (
-    deprecate_nonkeyword_arguments,
-    doc,
-)
+from pandas.util._decorators import doc
 
 from pandas.core.shared_docs import _shared_docs
 
@@ -61,6 +58,7 @@ def __exit__(
 @overload
 def read_sas(
     filepath_or_buffer: FilePath | ReadBuffer[bytes],
+    *,
     format: str | None = ...,
     index: Hashable | None = ...,
     encoding: str | None = ...,
@@ -74,6 +72,7 @@ def read_sas(
 @overload
 def read_sas(
     filepath_or_buffer: FilePath | ReadBuffer[bytes],
+    *,
     format: str | None = ...,
     index: Hashable | None = ...,
     encoding: str | None = ...,
@@ -84,10 +83,10 @@ def read_sas(
     ...
 
 
-@deprecate_nonkeyword_arguments(version=None, allowed_args=["filepath_or_buffer"])
 @doc(decompression_options=_shared_docs["decompression_options"] % "filepath_or_buffer")
 def read_sas(
     filepath_or_buffer: FilePath | ReadBuffer[bytes],
+    *,
     format: str | None = None,
     index: Hashable | None = None,
     encoding: str | None = None,