REF: extract params used in Series.__repr__ (#44218)

Author: topper-123

pandas/core/series.py

@@ -3,8 +3,6 @@
 """
 from __future__ import annotations
 
-from io import StringIO
-from shutil import get_terminal_size
 from textwrap import dedent
 from typing import (
     IO,
@@ -1460,29 +1458,8 @@ def __repr__(self) -> str:
         """
         Return a string representation for a particular Series.
         """
-        buf = StringIO("")
-        width, height = get_terminal_size()
-        max_rows = (
-            height
-            if get_option("display.max_rows") == 0
-            else get_option("display.max_rows")
-        )
-        min_rows = (
-            height
-            if get_option("display.max_rows") == 0
-            else get_option("display.min_rows")
-        )
-        show_dimensions = get_option("display.show_dimensions")
-
-        self.to_string(
-            buf=buf,
-            name=self.name,
-            dtype=self.dtype,
-            min_rows=min_rows,
-            max_rows=max_rows,
-            length=show_dimensions,
-        )
-        return buf.getvalue()
+        repr_params = fmt.get_series_repr_params(self)
+        return self.to_string(**repr_params)
 
     def to_string(
         self,

pandas/io/formats/format.py

@@ -489,6 +489,8 @@ def get_dataframe_repr_params() -> dict[str, Any]:
     Supplying these parameters to DataFrame.to_string is equivalent to calling
     ``repr(DataFrame)``. This is useful if you want to adjust the repr output.
 
+    .. versionadded:: 1.4.0
+
     Example
     -------
     >>> import pandas as pd
@@ -514,6 +516,44 @@ def get_dataframe_repr_params() -> dict[str, Any]:
     }
 
 
+def get_series_repr_params(series: Series) -> dict[str, Any]:
+    """Get the parameters used to repr(Series) calls using Series.to_string.
+
+    Supplying these parameters to Series.to_string is equivalent to calling
+    ``repr(series)``. This is useful if you want to adjust the series repr output.
+
+    .. versionadded:: 1.4.0
+
+    Example
+    -------
+    >>> import pandas as pd
+    >>>
+    >>> ser = pd.Series([1, 2, 3, 4])
+    >>> repr_params = pd.io.formats.format.get_series_repr_params(ser)
+    >>> repr(ser) == ser.to_string(**repr_params)
+    True
+    """
+    width, height = get_terminal_size()
+    max_rows = (
+        height
+        if get_option("display.max_rows") == 0
+        else get_option("display.max_rows")
+    )
+    min_rows = (
+        height
+        if get_option("display.max_rows") == 0
+        else get_option("display.min_rows")
+    )
+
+    return {
+        "name": series.name,
+        "dtype": series.dtype,
+        "min_rows": min_rows,
+        "max_rows": max_rows,
+        "length": get_option("display.show_dimensions"),
+    }
+
+
 class DataFrameFormatter:
     """Class for processing dataframe formatting options and data."""