REF: use _data.take for CI/DTI/TDI/PI.take (#30650)

Author: jbrockmendel

pandas/core/indexes/category.py

@@ -728,13 +728,13 @@ def take(self, indices, axis=0, allow_fill=True, fill_value=None, **kwargs):
         nv.validate_take(tuple(), kwargs)
         indices = ensure_platform_int(indices)
         taken = self._assert_take_fillable(
-            self.codes,
+            self._data,
             indices,
             allow_fill=allow_fill,
             fill_value=fill_value,
-            na_value=-1,
+            na_value=self._data.dtype.na_value,
         )
-        return self._create_from_codes(taken)
+        return self._shallow_copy(taken)
 
     take_nd = take
 

pandas/core/indexes/datetimelike.py

@@ -274,11 +274,11 @@ def take(self, indices, axis=0, allow_fill=True, fill_value=None, **kwargs):
             return self[maybe_slice]
 
         taken = self._assert_take_fillable(
-            self.asi8,
+            self._data,
             indices,
             allow_fill=allow_fill,
             fill_value=fill_value,
-            na_value=iNaT,
+            na_value=NaT,
         )
 
         # keep freq in PeriodArray/Index, reset otherwise