From ca3e516e3815e3833eea198c3a949562a20e6593 Mon Sep 17 00:00:00 2001
From: Jan Beinke <git@janbeinke.com>
Date: Mon, 23 Mar 2020 17:58:00 +0100
Subject: [PATCH] python3Packages.opuslib: init at 3.0.3

---
 .../python-modules/opuslib/default.nix        | 39 +++++++++++++++++++
 .../opuslib/opuslib-paths.patch               | 26 +++++++++++++
 pkgs/top-level/python-packages.nix            |  2 +
 3 files changed, 67 insertions(+)
 create mode 100644 pkgs/development/python-modules/opuslib/default.nix
 create mode 100644 pkgs/development/python-modules/opuslib/opuslib-paths.patch

diff --git a/pkgs/development/python-modules/opuslib/default.nix b/pkgs/development/python-modules/opuslib/default.nix
new file mode 100644
index 000000000000..aa7fc4add493
--- /dev/null
+++ b/pkgs/development/python-modules/opuslib/default.nix
@@ -0,0 +1,39 @@
+{ buildPythonPackage,
+  fetchFromGitHub,
+  isPy27,
+  libopus,
+  nose,
+  stdenv,
+  substituteAll,
+}:
+
+buildPythonPackage rec {
+  pname = "opuslib";
+  version = "3.0.3";
+
+  disabled = isPy27;
+
+  src = fetchFromGitHub {
+    owner = "orion-labs";
+    repo = "opuslib";
+    rev = "92109c528f9f6c550df5e5325ca0fcd4f86b0909";
+    sha256 = "0kd37wimwd1g6c0w5hq2hiiljgbi1zg3rk5prval086khkzq469p";
+  };
+
+  patches = [
+    (substituteAll {
+      src = ./opuslib-paths.patch;
+      opusLibPath = "${libopus}/lib/libopus${stdenv.hostPlatform.extensions.sharedLibrary}";
+    })
+  ];
+
+  checkInputs = [ nose ];
+
+  meta = with stdenv.lib; {
+    description = "Python bindings to the libopus, IETF low-delay audio codec";
+    homepage = "https://github.com/orion-labs/opuslib";
+    license = licenses.bsd3;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ thelegy ];
+  };
+}
diff --git a/pkgs/development/python-modules/opuslib/opuslib-paths.patch b/pkgs/development/python-modules/opuslib/opuslib-paths.patch
new file mode 100644
index 000000000000..fd2cfc8dbde2
--- /dev/null
+++ b/pkgs/development/python-modules/opuslib/opuslib-paths.patch
@@ -0,0 +1,26 @@
+diff --git a/opuslib/api/__init__.py b/opuslib/api/__init__.py
+index 323a2a4..4c8a8fe 100644
+--- a/opuslib/api/__init__.py
++++ b/opuslib/api/__init__.py
+@@ -7,20 +7,12 @@
+
+ import ctypes  # type: ignore
+
+-from ctypes.util import find_library  # type: ignore
+-
+ __author__ = 'Никита Кузнецов <self@svartalf.info>'
+ __copyright__ = 'Copyright (c) 2012, SvartalF'
+ __license__ = 'BSD 3-Clause License'
+
+
+-lib_location = find_library('opus')
+-
+-if lib_location is None:
+-    raise Exception(
+-        'Could not find Opus library. Make sure it is installed.')
+-
+-libopus = ctypes.CDLL(lib_location)
++libopus = ctypes.CDLL('@opusLibPath@')
+
+ c_int_pointer = ctypes.POINTER(ctypes.c_int)
+ c_int16_pointer = ctypes.POINTER(ctypes.c_int16)
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 49de95139f57..3e1c9a383a86 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4629,6 +4629,8 @@ in {
 
   omegaconf = callPackage ../development/python-modules/omegaconf { };
 
+  opuslib = callPackage ../development/python-modules/opuslib { };
+
   orderedset = callPackage ../development/python-modules/orderedset { };
 
   python-multipart = callPackage ../development/python-modules/python-multipart { };