gnu: Add numpydoc.

* gnu/packages/python.scm (python-numpydoc, python2-numpydoc): New variables.

gnu/packages/python.scm

@@ -1981,3 +1981,37 @@ that client code uses to construct the grammar directly in Python code.")
 (define-public python2-pyparsing
   (package-with-python2 python-pyparsing))
 
+(define-public python-numpydoc
+  (package
+    (name "python-numpydoc")
+    (version "0.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append 
+             "https://pypi.python.org/packages/source/n/numpydoc/numpydoc-"
+             version ".tar.gz"))
+       (sha256
+        (base32
+         "0d4dnifaxkll50jx6czj05y8cb4ny60njd2wz299sj2jxfy51w4k"))))
+    (build-system python-build-system)
+    (inputs
+     `(("python-setuptools" ,python-setuptools)
+       ("python-docutils" ,python-docutils)
+       ("python-sphinx" ,python-sphinx)
+       ("python-nose" ,python-nose)))
+    (home-page "https://pypi.python.org/pypi/numpydoc")
+    (synopsis
+     "Numpy's Sphinx extensions")
+    (description
+     "Sphinx extension to support docstrings in Numpy format.")
+    (license bsd-2)))
+
+(define-public python2-numpydoc
+  (package 
+    (inherit (package-with-python2 python-numpydoc))
+    ;; With python-2 1 test (out of 30) fails because it doesn't find
+    ;; matplotlib.  With python-3 it seems to detect at run-time the absence
+    ;; of matplotlib.
+    (arguments `(#:tests? #f
+                 #:python ,python-2))))