From f03e5ca59f2f099693def2c8e6ff409e5b4ed40a Mon Sep 17 00:00:00 2001
From: Guillaume Le Vaillant <glv@posteo.net>
Date: Thu, 30 Apr 2020 10:09:15 +0200
Subject: gnu: gnuradio: Fix runtime python environment for plugins.

* gnu/packages/radio.scm (gnuradio)[native-search-paths]: Add PYTHONPATH.
  [native-inputs]: Move python ...
  [inputs]: ... here.
---
 gnu/packages/radio.scm | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'gnu/packages/radio.scm')

diff --git a/gnu/packages/radio.scm b/gnu/packages/radio.scm
index 935880780f..30567431bf 100644
--- a/gnu/packages/radio.scm
+++ b/gnu/packages/radio.scm
@@ -26,6 +26,7 @@
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix git-download)
+  #:use-module (guix utils)
   #:use-module (gnu packages algebra)
   #:use-module (gnu packages audio)
   #:use-module (gnu packages autotools)
@@ -266,7 +267,6 @@ used by RDS Spy, and audio files containing @dfn{multiplex} signals (MPX).")
        ("ghostscript" ,ghostscript)
        ("orc" ,orc)
        ("pkg-config" ,pkg-config)
-       ("python" ,python)
        ("python-cheetah" ,python-cheetah)
        ("python-mako" ,python-mako)
        ("python-pyzmq" ,python-pyzmq)
@@ -293,6 +293,7 @@ used by RDS Spy, and audio files containing @dfn{multiplex} signals (MPX).")
        ("log4cpp" ,log4cpp)
        ("pango" ,pango)
        ("portaudio" ,portaudio)
+       ("python" ,python)
        ("python-click" ,python-click)
        ("python-click-plugins" ,python-click-plugins)
        ("python-lxml" ,python-lxml)
@@ -364,9 +365,16 @@ used by RDS Spy, and audio files containing @dfn{multiplex} signals (MPX).")
                  `("GI_TYPELIB_PATH" ":" prefix ,(filter identity paths))))
              #t)))))
     (native-search-paths
+     ;; Variables required to find third-party plugins at runtime.
      (list (search-path-specification
             (variable "GRC_BLOCKS_PATH")
-            (files '("/share/gnuradio/grc/blocks")))))
+            (files '("share/gnuradio/grc/blocks")))
+           (search-path-specification
+            (variable "PYTHONPATH")
+            (files (list (string-append "lib/python"
+                                        (version-major+minor
+                                         (package-version python))
+                                        "/site-packages"))))))
     (synopsis "Toolkit for software-defined radios")
     (description
      "GNU Radio is a development toolkit that provides signal processing blocks
-- 
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