[bug#30211] gnu: Add streamlink (program to extract streams from various services).

[Oleg Pykhalov <go.wigust@gmail.com>]

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From 12f249e717b023a7de3c34763a9a0d7889bbf481 Mon Sep 17 00:00:00 2001
From: Oleg Pykhalov <go.wigust@gmail.com>
Date: Fri, 19 Jan 2018 22:58:01 +0300
Subject: [PATCH 1/4] gnu: Add python-iso639.

* gnu/packages/iso-codes.scm (python-iso639): New public variable.
---
 gnu/packages/iso-codes.scm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/iso-codes.scm b/gnu/packages/iso-codes.scm
index ccd07706c..7ffcea871 100644
--- a/gnu/packages/iso-codes.scm
+++ b/gnu/packages/iso-codes.scm
@@ -23,6 +23,7 @@
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix build-system gnu)
+  #:use-module (guix build-system python)
   #:use-module (gnu packages gettext)
   #:use-module (gnu packages perl)
   #:use-module (gnu packages python))
@@ -64,3 +65,24 @@ infrastructure.  Moreover, the programmer does not need to follow
 changes in the ISO standard and will not work with outdated
 information.")
     (license license:gpl2+)))           ; some bits use the lgpl2
+
+(define-public python-iso639
+  (package
+    (name "python-iso639")
+    (version "0.4.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "iso-639" version))
+       (sha256
+        (base32
+         "0jffmh4m20q8j27xb2fqbnlghjj0cx8pgsbzqisdg65qh2wd976w"))))
+    (build-system python-build-system)
+    (home-page "https://github.com/noumar/iso639")
+    (synopsis "Python library for ISO 639 standard")
+    (description "This package provides a Python library for ISO 639
+standard.")
+    (license license:agpl3+)))
+
+(define-public python2-iso639
+  (package-with-python2 python-iso639))
-- 
2.15.1