GNU bug report logs - #31241
[PATCH 00/13] Add Duniter's bindings for Python

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From: Nicolas Goaziou <mail <at> nicolasgoaziou.fr>
To: 31241 <at> debbugs.gnu.org
Cc: Nicolas Goaziou <mail <at> nicolasgoaziou.fr>
Subject: [bug#31241] [PATCH 11/13] gnu: Add python-libnacl.
Date: Mon, 23 Apr 2018 01:04:18 +0200

* gnu/packages/python-crypto.scm (python-libnacl): New variable.
---
 gnu/packages/python-crypto.scm | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/gnu/packages/python-crypto.scm b/gnu/packages/python-crypto.scm
index e8a209735..41b6d5869 100644
--- a/gnu/packages/python-crypto.scm
+++ b/gnu/packages/python-crypto.scm
@@ -861,3 +861,37 @@ through the Engine interface.")
     (synopsis "Scrypt for Python")
     (description "Scrypt for Python")
     (license license:isc)))
+
+(define-public python-libnacl
+  (package
+    (name "python-libnacl")
+    (version "1.6.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "libnacl" version))
+       (sha256
+        (base32
+         "0nv7n8nfswkhl614x5mllrkvaslraa0053q11iylb337cy43vb4v"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'locate-libsodium
+           (lambda* (#:key inputs #:allow-other-keys)
+             (substitute* "libnacl/__init__.py"
+               (("(return ctypes.cdll.LoadLibrary\\(')libsodium.so('\\))"
+                 _ pre post)
+                (let ((libsodium (string-append (assoc-ref inputs "libsodium")
+                                                "/lib/libsodium.so")))
+                  (string-append pre libsodium post)))))))))
+    (propagated-inputs
+     `(("libsodium" ,libsodium)
+       ("python-pyhamcrest" ,python-pyhamcrest)))
+    (home-page "https://libnacl.readthedocs.org/")
+    (synopsis "Python bindings for libsodium based on ctypes")
+    (description "@code{libnacl} is used to gain direct access to the
+functions exposed by @code{NaCl} library via @code{libsodium}.  It has
+been constructed to maintain extensive documentation on how to use
+@code{NaCl} as well as being completely portable.")
+    (license license:asl2.0)))
-- 
2.17.0

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