Issue/26506 Provides correct desciption in docstring that get_indexer methods are not yet supported (#26519)

Author: timgates42

pandas/core/indexes/base.py

@@ -52,6 +52,7 @@
 
 _index_doc_kwargs = dict(klass='Index', inplace='',
                          target_klass='Index',
+                         raises_section='',
                          unique='Index', duplicated='np.ndarray')
 _index_shared_docs = dict()
 
@@ -2787,7 +2788,7 @@ def get_loc(self, key, method=None, tolerance=None):
             Integers from 0 to n - 1 indicating that the index at these
             positions matches the corresponding target values. Missing values
             in the target are marked by -1.
-
+        %(raises_section)s
         Examples
         --------
         >>> index = pd.Index(['c', 'a', 'b'])

pandas/core/indexes/interval.py

@@ -8,7 +8,7 @@
 
 from pandas._libs import Timedelta, Timestamp
 from pandas._libs.interval import Interval, IntervalMixin, IntervalTree
-from pandas.util._decorators import Appender, cache_readonly
+from pandas.util._decorators import Appender, Substitution, cache_readonly
 from pandas.util._exceptions import rewrite_exception
 
 from pandas.core.dtypes.cast import (
@@ -822,7 +822,15 @@ def get_value(self, series, key):
             loc = self.get_loc(key)
         return series.iloc[loc]
 
-    @Appender(_index_shared_docs['get_indexer'] % _index_doc_kwargs)
+    @Substitution(**dict(_index_doc_kwargs,
+                         **{'raises_section': textwrap.dedent("""
+        Raises
+        ------
+        NotImplementedError
+            If any method argument other than the default of
+            None is specified as these are not yet implemented.
+        """)}))
+    @Appender(_index_shared_docs['get_indexer'])
     def get_indexer(self, target, method=None, limit=None, tolerance=None):
 
         self._check_method(method)