gnu: Add python-leather.

* gnu/packages/wireservice.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu/local.mk

@@ -490,6 +490,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/wget.scm				\
   %D%/packages/wicd.scm				\
   %D%/packages/wine.scm				\
+  %D%/packages/wireservice.scm				\
   %D%/packages/wm.scm				\
   %D%/packages/wordnet.scm			\
   %D%/packages/wv.scm				\

gnu/packages/wireservice.scm

@@ -0,0 +1,91 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2019 Pierre Langlois <pierre.langlois@gmx.com>
+;;;
+;;; 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 wireservice)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix build-system python)
+  #:use-module (guix git-download)
+  #:use-module (guix packages)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages check)
+  #:use-module (gnu packages python-web)
+  #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages sphinx))
+
+;; Base package definition for packages from https://github.com/wireservice.
+;; This is done so we can share how to run tests and build documentation.
+(define base-package
+  (package
+    (name #f)
+    (version #f)
+    (source #f)
+    (home-page #f)
+    (synopsis #f)
+    (description #f)
+    (build-system python-build-system)
+    (native-inputs
+     `(("python-nose" ,python-nose)
+       ("python-sphinx" ,python-sphinx)
+       ("python-sphinx-rtd-theme" ,python-sphinx-rtd-theme)))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (replace 'check
+           (lambda _
+             (invoke "nosetests" "tests")))
+         (add-after 'install 'install-docs
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (doc (string-append out "/share/doc/"
+                                        ,(package-name this-package)
+                                        "-"
+                                        ,(package-version this-package))))
+               (with-directory-excursion "docs"
+                 (for-each
+                  (lambda (target)
+                    (invoke "make" target)
+                    (copy-recursively (string-append "_build/" target)
+                                      (string-append doc "/" target)))
+                  '("html" "dirhtml" "singlehtml" "text")))
+               #t))))))
+    (license license:expat)))
+
+(define-public python-leather
+  (package
+    (inherit base-package)
+    (name "python-leather")
+    (version "0.3.3")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/wireservice/leather.git")
+                    (commit version)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1ck3dplni99sv4s117cbm07ydwwjsrxkhdy19rnk0iglia1d4s5i"))))
+    (native-inputs
+     `(("python-cssselect" ,python-cssselect)
+       ("python-lxml" ,python-lxml)
+       ,@(package-native-inputs base-package)))
+    (propagated-inputs
+     `(("python-six" ,python-six)))
+    (home-page "https://leather.rtfd.org")
+    (synopsis "Python charting for 80% of humans")
+    (description "Leather is a Python charting library for those who need
+charts now and don't care if they're perfect.")))