CLN/DEPR: remove deprecated pandas.rpy module (GH9602)

Author: jorisvandenbossche

ci/lint.sh

@@ -8,10 +8,9 @@ RET=0
 
 if [ "$LINT" ]; then
 
-    # pandas/rpy is deprecated and will be removed.
     # pandas/src is C code, so no need to search there.
     echo "Linting  *.py"
-    flake8 pandas --filename=*.py --exclude pandas/rpy,pandas/src
+    flake8 pandas --filename=*.py --exclude pandas/src
     if [ $? -ne "0" ]; then
         RET=1
     fi

doc/source/r_interface.rst

@@ -15,11 +15,11 @@ rpy2 / R interface
 
 .. warning::
 
-   In v0.16.0, the ``pandas.rpy`` interface has been **deprecated and will be
-   removed in a future version**. Similar functionality can be accessed
-   through the `rpy2 <https://rpy2.readthedocs.io/>`__ project.
-   See the :ref:`updating <rpy.updating>` section for a guide to port your
-   code from the ``pandas.rpy`` to ``rpy2`` functions.
+    Up to pandas 0.19, a ``pandas.rpy`` module existed with functionality to
+    convert between pandas and ``rp2`` objects. This functionality now lives in
+    the `rpy2 <https://rpy2.readthedocs.io/>`__ project itself.
+    See the :ref:`updating <rpy.updating>` section below for a guide to port
+    your code from the removed ``pandas.rpy`` to ``rpy2`` functions.
 
 
 .. _rpy.updating:
@@ -60,7 +60,7 @@ can be replaced with::
 
     from rpy2.robjects import r
     r.data('iris')
-    df_iris = pandas2ri.ri2py(r[name])
+    df_iris = pandas2ri.ri2py(r['iris'])
 
 The ``convert_to_r_matrix`` function can be replaced by the normal
 ``pandas2ri.py2ri`` to convert dataframes, with a subsequent call to R

doc/source/whatsnew/v0.20.0.txt

@@ -271,6 +271,9 @@ Deprecations
 Removal of prior version deprecations/changes
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+- The ``pandas.rpy`` module is removed. Similar functionality can be accessed
+  through the `rpy2 <https://rpy2.readthedocs.io/>`__ project.
+  See the :ref:`R interfacing docs <rpy>` for more details.
 - ``pd.to_datetime`` and ``pd.to_timedelta`` have dropped the ``coerce`` parameter in favor of ``errors`` (:issue:`13602`)
 
 

pandas/api/tests/test_api.py

@@ -30,7 +30,7 @@ class TestPDApi(Base, tm.TestCase):
 
     # these are optionally imported based on testing
     # & need to be ignored
-    ignored = ['tests', 'rpy', 'locale']
+    ignored = ['tests', 'locale']
 
     # top-level sub-packages
     lib = ['api', 'compat', 'computation', 'core',