CLN: make Info and DataFrameInfo subclasses (#34743)

Author: MarcoGorelli

pandas/core/frame.py

@@ -141,7 +141,7 @@
 
 from pandas.io.common import get_filepath_or_buffer
 from pandas.io.formats import console, format as fmt
-from pandas.io.formats.info import info
+from pandas.io.formats.info import DataFrameInfo
 import pandas.plotting
 
 if TYPE_CHECKING:
@@ -2462,11 +2462,11 @@ def to_html(
  <class 'pandas.core.frame.DataFrame'>
  RangeIndex: 5 entries, 0 to 4
  Data columns (total 3 columns):
-  # Column Non-Null Count Dtype
+ # Column Non-Null Count Dtype
  --- ------ -------------- -----
-  0 int_col 5 non-null int64
-  1 text_col 5 non-null object
-  2 float_col 5 non-null float64
+ 0 int_col 5 non-null int64
+ 1 text_col 5 non-null object
+ 2 float_col 5 non-null float64
  dtypes: float64(1), int64(1), object(1)
  memory usage: 248.0+ bytes
 
@@ -2505,23 +2505,23 @@ def to_html(
  <class 'pandas.core.frame.DataFrame'>
  RangeIndex: 1000000 entries, 0 to 999999
  Data columns (total 3 columns):
-  # Column Non-Null Count Dtype
+ # Column Non-Null Count Dtype
  --- ------ -------------- -----
-  0 column_1 1000000 non-null object
-  1 column_2 1000000 non-null object
-  2 column_3 1000000 non-null object
+ 0 column_1 1000000 non-null object
+ 1 column_2 1000000 non-null object
+ 2 column_3 1000000 non-null object
  dtypes: object(3)
  memory usage: 22.9+ MB
 
  >>> df.info(memory_usage='deep')
  <class 'pandas.core.frame.DataFrame'>
  RangeIndex: 1000000 entries, 0 to 999999
  Data columns (total 3 columns):
-  # Column Non-Null Count Dtype
+ # Column Non-Null Count Dtype
  --- ------ -------------- -----
-  0 column_1 1000000 non-null object
-  1 column_2 1000000 non-null object
-  2 column_3 1000000 non-null object
+ 0 column_1 1000000 non-null object
+ 1 column_2 1000000 non-null object
+ 2 column_3 1000000 non-null object
  dtypes: object(3)
  memory usage: 188.8 MB"""
  ),
@@ -2532,7 +2532,7 @@ def to_html(
  DataFrame.memory_usage: Memory usage of DataFrame columns."""
  ),
  )
- @doc(info)
+ @doc(DataFrameInfo.info)
  def info(
  self,
  verbose: Optional[bool] = None,
@@ -2541,7 +2541,9 @@ def info(
  memory_usage: Optional[Union[bool, str]] = None,
  null_counts: Optional[bool] = None,
  ) -> None:
- return info(self, verbose, buf, max_cols, memory_usage, null_counts)
+ return DataFrameInfo(
+ self, verbose, buf, max_cols, memory_usage, null_counts
+ ).info()
 
  def memory_usage(self, index=True, deep=False) -> Series:
  """