DOC: update and share NDFrame.to_csv() docstring

Author: toobaz

pandas/core/generic.py

@@ -9266,13 +9266,15 @@ def to_csv(self, path_or_buf=None, sep=",", na_rep='', float_format=None,
                quotechar='"', line_terminator='\n', chunksize=None,
                tupleize_cols=None, date_format=None, doublequote=True,
                escapechar=None, decimal='.'):
-        r"""Write DataFrame to a comma-separated values (csv) file
+        r"""Write object to a comma-separated values (csv) file
 
         Parameters
         ----------
         path_or_buf : string or file handle, default None
             File path or object, if None is provided the result is returned as
             a string.
+            .. versionchanged:: 0.24.0
+                Was previously named "path" for Series.
         sep : character, default ','
             Field delimiter for the output file.
         na_rep : string, default ''
@@ -9289,7 +9291,7 @@ def to_csv(self, path_or_buf=None, sep=",", na_rep='', float_format=None,
         index_label : string or sequence, or False, default None
             Column label for index column(s) if desired. If None is given, and
             `header` and `index` are True, then the index names are used. A
-            sequence should be given if the DataFrame uses MultiIndex.  If
+            sequence should be given if the object uses MultiIndex.  If
             False do not print fields for index names. Use index_label=False
             for easier importing in R
         mode : str
@@ -9330,6 +9332,8 @@ def to_csv(self, path_or_buf=None, sep=",", na_rep='', float_format=None,
             Character recognized as decimal separator. E.g. use ',' for
             European data
 
+        .. versionchanged:: 0.24.0
+            The order of arguments for Series was changed.
         """
 
         df = self if isinstance(self, ABCDataFrame) else self.to_frame()

pandas/core/series.py

@@ -3764,11 +3764,6 @@ def from_csv(cls, path, sep=',', parse_dates=True, header=None,
         return result
 
     def to_csv(self, *args, **kwargs):
-        """
-        See DataFrame.to_csv()
-        # TODO
-        """
-
         names = ['path_or_buf', 'sep', 'na_rep', 'float_format', 'columns',
                  'header', 'index', 'index_label', 'mode', 'encoding',
                  'compression', 'quoting', 'quotechar', 'line_terminator',
@@ -3817,6 +3812,10 @@ def to_csv(self, *args, **kwargs):
 
         return self.to_frame().to_csv(**kwargs)
 
+    # This entire method is going to be removed, so the shared docstring
+    # mechanism is overkill
+    to_csv.__doc__ = generic.NDFrame.to_csv.__doc__
+
     @Appender(generic._shared_docs['to_excel'] % _shared_doc_kwargs)
     def to_excel(self, excel_writer, sheet_name='Sheet1', na_rep='',
                  float_format=None, columns=None, header=True, index=True,