libiio: install python bindings

Signed-off-by: Austin Seipp <aseipp@pobox.com>

pkgs/development/libraries/libiio/default.nix

@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub
 , cmake, flex, bison
-, libxml2
+, libxml2, python
 }:
 
 stdenv.mkDerivation rec {
@@ -14,11 +14,20 @@ stdenv.mkDerivation rec {
     sha256 = "05sbvvjka03qi080ad6g2y6gfwqp3n3zv7dpv237dym0zjyxqfa7";
   };
 
-  outputs = [ "out" "lib" "dev" ];
+  outputs = [ "out" "lib" "dev" "python" ];
 
   nativeBuildInputs = [ cmake flex bison ];
   buildInputs = [ libxml2 ];
 
+  postInstall = ''
+    mkdir -p $python/lib/${python.libPrefix}/site-packages/
+    touch $python/lib/${python.libPrefix}/site-packages/
+    cp ../bindings/python/iio.py $python/lib/${python.libPrefix}/site-packages/
+
+    substitute ../bindings/python/iio.py $python/lib/${python.libPrefix}/site-packages/iio.py \
+      --replace 'libiio.so.0' $lib/lib/libiio.so.0
+  '';
+
   meta = with stdenv.lib; {
     description = "API for interfacing with the Linux Industrial I/O Subsystem";
     homepage    = https://github.com/analogdevicesinc/libiio;

pkgs/top-level/python-packages.nix

@@ -17125,6 +17125,11 @@ EOF
   libtorrentRasterbar = (toPythonModule (pkgs.libtorrentRasterbar.override {
     inherit python;
   })).python;
+
+  libiio = (toPythonModule (pkgs.libiio.override {
+    inherit python;
+  })).python;
+
 });
 
 in fix' (extends overrides packages)