gnu: Add python2-xlib.

* gnu/packages/python.scm (python2-xlib): New variable.

gnu/packages/python.scm

@@ -3348,3 +3348,28 @@ Python style, together with a fast and comfortable execution environment.")
 
 (define-public python2-testlib
   (package-with-python2 python-testlib))
+
+(define-public python2-xlib
+  (package
+    (name "python2-xlib")
+    (version "0.14")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://sourceforge/python-xlib/"
+                                  "python-xlib-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1sv0447j0rx8cgs3jhjl695p5pv13ihglcjlrrz1kq05lsvb0wa7"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:python ,python-2                         ;Python 2 only
+       #:tests? #f))                              ;no tests
+    (inputs
+     `(("python-setuptools" ,python-setuptools)))
+    (home-page "http://python-xlib.sourceforge.net/")
+    (synopsis "Python X11 client library")
+    (description
+     "The Python X Library is intended to be a fully functional X client
+library for Python programs.  It is useful to implement low-level X clients.
+It is written entirely in Python.")
+    (license gpl2+)))