.. _spkg_rpy2:

rpy2: Python interface to R
===========================

Description
-----------

rpy2 is a redesign and rewrite of rpy. It is providing a low-level
interface to R, a proposed high-level interface, including wrappers to
graphical libraries, as well as R-like structures and functions.

License
-------

-  GPL 2+
-  Note that we have deleted references to Mozilla PL as an option,
   which we are allowed to do by the full rpy2 license in order to
   remain GPL-compatible


Upstream Contact
----------------

-  https://rpy2.bitbucket.io

Special Update/Build Instructions
---------------------------------

Patches
~~~~~~~

-  setup.patch: takes care of a few parsing issues.
-  cygwin.patch: let rpy2 build on Cygwin.

Type
----

standard


Dependencies
------------

- $(PYTHON)
- :ref:`spkg_r`
- :ref:`spkg_cffi`
- :ref:`spkg_tzlocal`
- :ref:`spkg_pytz`
- :ref:`spkg_jinja2`
- $(PYTHON_TOOLCHAIN)
- :ref:`spkg_pycparser`

Version Information
-------------------

package-version.txt::

    3.3.6

install-requires.txt::

    rpy2 >=3.3, <3.4


Equivalent System Packages
--------------------------

conda:

.. CODE-BLOCK:: bash

    $ conda install  rpy2


See https://repology.org/project/rpy2/versions


However, these system packages will not be used for building Sage
because using Python site-packages is not supported by the Sage distribution;
see :trac:`29023`

