On Sun,  6 Mar 2016 15:07:58 +0800
宋文武 <iyzsong@gmail.com> wrote:

> * gnu/packages/gstreamer.scm (python-gst, python2-gst): New variables.
> ---
>  gnu/packages/gstreamer.scm | 58 ++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 58 insertions(+)
> 
> diff --git a/gnu/packages/gstreamer.scm b/gnu/packages/gstreamer.scm
> index 5b348b1..b19ea81 100644
> --- a/gnu/packages/gstreamer.scm
> +++ b/gnu/packages/gstreamer.scm
> @@ -24,6 +24,7 @@
>    #:use-module (guix packages)
>    #:use-module (guix download)
>    #:use-module (guix build-system gnu)
> +  #:use-module (guix utils)
>    #:use-module (gnu packages)
>    #:use-module (gnu packages audio)
>    #:use-module (gnu packages bison)
> @@ -400,3 +401,60 @@ distribution problems in some jurisdictions, e.g. due to patent threats.")
>       "This GStreamer plugin supports a large number of audio and video
>  compression formats through the use of the libav library.")
>      (license gpl2+)))
> +
> +(define-public python-gst
> +  (package
> +    (name "python-gst")
> +    (version "1.6.2")
> +    (source (origin
> +              (method url-fetch)
> +              (uri (string-append
> +                    "https://gstreamer.freedesktop.org/src/gst-python/"
> +                    "gst-python-" version ".tar.xz"))
> +              (sha256
> +               (base32
> +                "09ci5zvr7lms7mvgbjgsjwaxcl4nq45n1g9pdwnqmx3rf0qkwxjf"))))
> +    (build-system gnu-build-system)
> +    (arguments
> +     `(#:configure-flags
> +       (let ((python-sitedir
> +              ;; XXX: make this a package property?
> +              ,(string-append "lib/python"
> +                              (version-major+minor (package-version python))
> +                              "/site-packages")))
> +         (list (string-append
> +                "--with-pygi-overrides-dir=" %output "/" python-sitedir
> +                "/gi/overrides")))))
> +    (native-inputs
> +     `(("pkg-config" ,pkg-config)
> +       ("python" ,python)))
> +    (propagated-inputs
> +     `(("gst-plugins-base" ,gst-plugins-base)
> +       ("python-pygobject" ,python-pygobject)))
> +    (home-page "http://gstreamer.freedesktop.org/")
> +    (synopsis "GStreamer GObject Introspection overrides for Python")
> +    (description
> +     "This package contains GObject Introspection overrides for Python that can
> +be used by Python applications using GStreamer.")
> +    (license lgpl2.1+)
> +    (properties `((python2-variant . ,(delay python2-gst))))))
> +
> +(define-public python2-gst
> +  (package (inherit python-gst)
> +    (name "python2-gst")
> +    (arguments
> +     `(#:configure-flags
> +       (let ((python-sitedir
> +              ;; XXX: make this a package property?
> +              ,(string-append "lib/python"
> +                              (version-major+minor (package-version python-2))
> +                              "/site-packages")))
> +         (list (string-append
> +                "--with-pygi-overrides-dir=" %output "/" python-sitedir
> +                "/gi/overrides")))))
> +    (native-inputs
> +     `(("pkg-config" ,pkg-config)
> +       ("python" ,python-2)))
> +    (propagated-inputs
> +     `(("gst-plugins-base" ,gst-plugins-base)
> +       ("python-pygobject" ,python2-pygobject)))))

are you sure this should use the gnu-build-system and not the
python-build-system?

-- 
Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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