DEP: Disallow abbreviations for orient in to_dict

doc/source/whatsnew/v2.0.0.rst

@@ -214,6 +214,7 @@ Removal of prior version deprecations/changes
 - Removed :meth:`Series.slice_shift` and :meth:`DataFrame.slice_shift` (:issue:`37601`)
 - Remove :meth:`DataFrameGroupBy.pad` and :meth:`DataFrameGroupBy.backfill` (:issue:`45076`)
 - Remove ``numpy`` argument from :func:`read_json` (:issue:`30636`)
+- Disallow passing abbreviations for ``orient`` in :meth:`DataFrame.to_dict` (:issue:`32516`)
 - Removed the ``center`` keyword in :meth:`DataFrame.expanding` (:issue:`20647`)
 - Removed the ``truediv`` keyword from :func:`eval` (:issue:`29812`)
 - Removed the ``pandas.datetime`` submodule (:issue:`30489`)

pandas/core/frame.py

@@ -1855,9 +1855,6 @@ def to_dict(
               [{column -> value}, ... , {column -> value}]
             - 'index' : dict like {index -> {column -> value}}
 
-            Abbreviations are allowed. `s` indicates `series` and `sp`
-            indicates `split`.
-
             .. versionadded:: 1.4.0
                 'tight' as an allowed value for the ``orient`` argument
 
@@ -1948,36 +1945,6 @@ def to_dict(
         # variable has type "Literal['dict', 'list', 'series', 'split', 'tight',
         # 'records', 'index']")
         orient = orient.lower()  # type: ignore[assignment]
-        # GH32515
-        if orient.startswith(("d", "l", "s", "r", "i")) and orient not in {
-            "dict",
-            "list",
-            "series",
-            "split",
-            "records",
-            "index",
-        }:
-            warnings.warn(
-                "Using short name for 'orient' is deprecated. Only the "
-                "options: ('dict', list, 'series', 'split', 'records', 'index') "
-                "will be used in a future version. Use one of the above "
-                "to silence this warning.",
-                FutureWarning,
-                stacklevel=find_stack_level(),
-            )
-
-            if orient.startswith("d"):
-                orient = "dict"
-            elif orient.startswith("l"):
-                orient = "list"
-            elif orient.startswith("sp"):
-                orient = "split"
-            elif orient.startswith("s"):
-                orient = "series"
-            elif orient.startswith("r"):
-                orient = "records"
-            elif orient.startswith("i"):
-                orient = "index"
 
         if not index and orient not in ["split", "tight"]:
             raise ValueError(

pandas/tests/frame/methods/test_to_dict.py

@@ -80,11 +80,10 @@ def test_to_dict_invalid_orient(self):
             df.to_dict(orient="xinvalid")
 
     @pytest.mark.parametrize("orient", ["d", "l", "r", "sp", "s", "i"])
-    def test_to_dict_short_orient_warns(self, orient):
+    def test_to_dict_short_orient_raises(self, orient):
         # GH#32515
         df = DataFrame({"A": [0, 1]})
-        msg = "Using short name for 'orient' is deprecated"
-        with tm.assert_produces_warning(FutureWarning, match=msg):
+        with pytest.raises(ValueError, match="not understood"):
             df.to_dict(orient=orient)
 
     @pytest.mark.parametrize("mapping", [dict, defaultdict(list), OrderedDict])