gnu: Add python-docker-py.

* gnu/packages/docker.scm: New file.
* Makefile.am (GNU_SYSTEM_MODULES): Add it.

gnu-system.am

@@ -89,6 +89,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/djvu.scm				\
   gnu/packages/dns.scm				\
   gnu/packages/docbook.scm			\
+  gnu/packages/docker.scm			\
   gnu/packages/doxygen.scm			\
   gnu/packages/dunst.scm			\
   gnu/packages/dvtm.scm				\

gnu/packages/docker.scm

@@ -0,0 +1,52 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 David Thompson <davet@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 docker)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (gnu packages)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
+  #:use-module (guix build-system python)
+  #:use-module (guix utils)
+  #:use-module (gnu packages python))
+
+(define-public python-docker-py
+  (package
+    (name "python-docker-py")
+    (version "1.6.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "docker-py" version))
+       (sha256
+        (base32
+         "16ba4xyd46hkj9nkfpz15r8kskl7ljx1afjzchyrhdsrklvzgzim"))))
+    (build-system python-build-system)
+    ;; TODO: Tests require a running Docker daemon.
+    (arguments '(#:tests? #f))
+    (inputs
+     `(("python-requests" ,python-requests)
+       ("python-setuptools" ,python-setuptools)
+       ("python-six" ,python-six)
+       ("python-websocket-client" ,python-websocket-client)))
+    (home-page "https://github.com/docker/docker-py/")
+    (synopsis "Python client for Docker")
+    (description "Docker-Py is a Python client for the Docker container
+management tool.")
+    (license license:asl2.0)))