gnu: Add key-mon.

* gnu/packages/key-mon.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

gnu-system.am

@@ -157,6 +157,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/java.scm				\
   gnu/packages/jrnl.scm				\
   gnu/packages/kde.scm				\
+  gnu/packages/key-mon.scm			\
   gnu/packages/ld-wrapper.scm			\
   gnu/packages/less.scm				\
   gnu/packages/lesstif.scm			\

gnu/packages/key-mon.scm

@@ -0,0 +1,69 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages key-mon)
+  #:use-module (guix licenses)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages gtk)
+  #:use-module (gnu packages gnome)
+  #:use-module (guix build-system python))
+
+(define-public key-mon
+  (package
+    (name "key-mon")
+    (version "1.17")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "http://key-mon.googlecode.com/files/key-mon-"
+                    version ".tar.gz"))
+              (sha256
+               (base32
+                "1liz0dxcqmchbnl1xhlxkqm3gh76wz9jxdxn9pa7dy77fnrjkl5q"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:python ,python-2                    ;uses the Python 2 'print' syntax
+       #:phases (modify-phases %standard-phases
+                  (add-after install wrap
+                             (lambda* (#:key inputs outputs #:allow-other-keys)
+                               (let* ((out  (assoc-ref outputs "out"))
+                                      (bin  (string-append out "/bin"))
+                                      (rsvg (assoc-ref inputs "librsvg"))
+                                      (pixbuf (find-files
+                                               rsvg "^loaders\\.cache$")))
+                                 ;; Allow key-mon to load SVGs.
+                                 (wrap-program (string-append bin "/key-mon")
+                                   `("GDK_PIXBUF_MODULE_FILE" ":"
+                                     prefix ,pixbuf))))))
+       #:tests? #f))                         ;no tests
+    (native-inputs
+     `(("python2-setuptools" ,python2-setuptools)))
+    (propagated-inputs
+     `(("python2-xlib" ,python2-xlib)
+       ("python2-pygtk" ,python2-pygtk)
+       ("librsvg" ,librsvg)
+       ("python2-rsvg" ,python2-rsvg)))
+    (home-page "http://code.google.com/p/key-mon")
+    (synopsis "Show keyboard and mouse status")
+    (description
+     "The key-mon utility displays the current keyboard and mouse status.
+This is useful for teaching and screencasts.")
+    (license asl2.0)))