[PATCH] gnu: Add python2-qrcode

[Daniel Pimentel <d4n1@d4n1.org>]

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In attach a full patch. Update URI with Pypi.

I tried:
./pre-inst-env guix environment --pure --ad-hoc python2-qrcode python@2
$ qr "Guix" > guix-qrcode.png

It's work.

But whent import by python shell using:
$ python
> import qrcode
> img = qrcode.make('Some data here')

Not work, probably problem with Pillow (PIL fork).

-- 
Daniel Pimentel (aka d4n1)

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From c2a15eb90e42e2020d38161f51bca1c800d12139 Mon Sep 17 00:00:00 2001
From: Daniel Pimentel <d4n1@d4n1.org>
Date: Thu, 23 Jun 2016 13:34:54 -0300
Subject: [PATCH 2/2] gnu: add python2-qrcode * gnu/packages/python.scm: add
 new package.

---
 gnu/packages/python.scm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index cf4ef3c..529da2c 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -9315,3 +9315,30 @@ etc.")
      "A module that implements the password-based key derivation 
 function PBKDF2.")
     (license license:expat)))
+
+(define-public python2-qrcode
+  (package
+    (name "python2-qrcode")
+    (version "5.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "qrcode" version))
+       (sha256
+        (base32
+         "0kljfrfq0c2rmxf8am57333ia41kd0snbm2rnqbdy816hgpcq5a1"))))
+    (build-system python-build-system)
+    (inputs
+     `(("python2-pillow" ,python2-pillow)
+       ("python2-six" ,python2-six)))
+    (native-inputs
+     `(("python2-setuptools" ,python2-setuptools)))
+    (arguments
+     `(#:python ,python-2))
+    (home-page "https://pypi.python.org/pypi/qrcode")
+    (synopsis "Python library to generate QR Codes")
+    (description
+     "@code{qrcode} is a library which can be used to generate Quick
+Response (QR) images.  It is recommended that the pillow library be used to
+generate images, though the default Python imaging library can also be used.")
+    (license bsd-3)))
-- 
2.7.4