Update docstrings

pola-rs · Oct 23, 2023 · 8ab8825 · 8ab8825
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diff --git a/py-polars/polars/dataframe/frame.py b/py-polars/polars/dataframe/frame.py
@@ -10151,34 +10151,16 @@ def shift_and_fill(
         """
         Shift values by the given number of places and fill the resulting null values.
 
+        .. deprecated:: 0.19.12
+            Use :func:`shift` instead.
+
         Parameters
         ----------
         fill_value
             fill None values with this value.
         n
             Number of places to shift (may be negative).
 
-        Examples
-        --------
-        >>> df = pl.DataFrame(
-        ...     {
-        ...         "foo": [1, 2, 3],
-        ...         "bar": [6, 7, 8],
-        ...         "ham": ["a", "b", "c"],
-        ...     }
-        ... )
-        >>> df.shift_and_fill(n=1, fill_value=0)
-        shape: (3, 3)
-        ┌─────┬─────┬─────┐
-        │ foo ┆ bar ┆ ham │
-        │ --- ┆ --- ┆ --- │
-        │ i64 ┆ i64 ┆ str │
-        ╞═════╪═════╪═════╡
-        │ 0   ┆ 0   ┆ 0   │
-        │ 1   ┆ 6   ┆ a   │
-        │ 2   ┆ 7   ┆ b   │
-        └─────┴─────┴─────┘
-
         """
         return self.shift(n, fill_value=fill_value)
 

diff --git a/py-polars/polars/expr/expr.py b/py-polars/polars/expr/expr.py
@@ -2417,7 +2417,7 @@ def shift(self, n: int = 1, *, fill_value: IntoExpr | None = None) -> Self:
         By default, values are shifted down one row.
 
         >>> df = pl.DataFrame({"a": [1, 2, 3, 4]})
-        >>> df.with_columns(shift=pl.col("foo").shift())
+        >>> df.with_columns(shift=pl.col("a").shift())
         shape: (4, 2)
         ┌─────┬───────┐
         │ a   ┆ shift │
@@ -9571,29 +9571,16 @@ def shift_and_fill(
         """
         Shift values by the given number of places and fill the resulting null values.
 
+        .. deprecated:: 0.19.12
+            Use :func:`shift` instead.
+
         Parameters
         ----------
         fill_value
             Fill None values with the result of this expression.
         n
             Number of places to shift (may be negative).
 
-        Examples
-        --------
-        >>> df = pl.DataFrame({"foo": [1, 2, 3, 4]})
-        >>> df.with_columns(foo_shifted=pl.col("foo").shift_and_fill("a", n=1))
-        shape: (4, 2)
-        ┌─────┬─────────────┐
-        │ foo ┆ foo_shifted │
-        │ --- ┆ ---         │
-        │ i64 ┆ str         │
-        ╞═════╪═════════════╡
-        │ 1   ┆ a           │
-        │ 2   ┆ 1           │
-        │ 3   ┆ 2           │
-        │ 4   ┆ 3           │
-        └─────┴─────────────┘
-
         """
         return self.shift(n, fill_value=fill_value)
 

diff --git a/py-polars/polars/lazyframe/frame.py b/py-polars/polars/lazyframe/frame.py
@@ -6173,43 +6173,15 @@ def shift_and_fill(
         """
         Shift values by the given number of places and fill the resulting null values.
 
+        .. deprecated:: 0.19.12
+            Use :func:`shift` instead.
+
         Parameters
         ----------
         fill_value
             fill None values with the result of this expression.
         n
             Number of places to shift (may be negative).
 
-        Examples
-        --------
-        >>> lf = pl.LazyFrame(
-        ...     {
-        ...         "a": [1, 3, 5],
-        ...         "b": [2, 4, 6],
-        ...     }
-        ... )
-        >>> lf.shift_and_fill(fill_value=0, n=1).collect()
-        shape: (3, 2)
-        ┌─────┬─────┐
-        │ a   ┆ b   │
-        │ --- ┆ --- │
-        │ i64 ┆ i64 │
-        ╞═════╪═════╡
-        │ 0   ┆ 0   │
-        │ 1   ┆ 2   │
-        │ 3   ┆ 4   │
-        └─────┴─────┘
-        >>> lf.shift_and_fill(fill_value=0, n=-1).collect()
-        shape: (3, 2)
-        ┌─────┬─────┐
-        │ a   ┆ b   │
-        │ --- ┆ --- │
-        │ i64 ┆ i64 │
-        ╞═════╪═════╡
-        │ 3   ┆ 4   │
-        │ 5   ┆ 6   │
-        │ 0   ┆ 0   │
-        └─────┴─────┘
-
         """
         return self.shift(n, fill_value=fill_value)
diff --git a/py-polars/polars/series/series.py b/py-polars/polars/series/series.py
@@ -6864,6 +6864,9 @@ def shift_and_fill(
         """
         Shift values by the given number of places and fill the resulting null values.
 
+        .. deprecated:: 0.19.12
+            Use :func:`shift` instead.
+
         Parameters
         ----------
         fill_value