From 81bc4bb78abb41f043e0dc75efc3e7c312caab05 Mon Sep 17 00:00:00 2001
From: Daniel Goertzen <daniel.goertzen@gmail.com>
Date: Tue, 4 Feb 2020 13:54:20 -0600
Subject: [PATCH] vispy: init at 0.6.4

---
 .../python-modules/vispy/default.nix          | 39 +++++++++++++++++++
 .../python-modules/vispy/library-paths.patch  | 39 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 +
 3 files changed, 80 insertions(+)
 create mode 100644 pkgs/development/python-modules/vispy/default.nix
 create mode 100644 pkgs/development/python-modules/vispy/library-paths.patch

diff --git a/pkgs/development/python-modules/vispy/default.nix b/pkgs/development/python-modules/vispy/default.nix
new file mode 100644
index 000000000000..fb44a4911ae4
--- /dev/null
+++ b/pkgs/development/python-modules/vispy/default.nix
@@ -0,0 +1,39 @@
+{ lib, buildPythonPackage, substituteAll, stdenv,
+  fetchPypi, numpy, cython, freetype-py, fontconfig, libGL,
+  setuptools_scm, setuptools-scm-git-archive
+  }:
+
+buildPythonPackage rec {
+  pname = "vispy";
+  version = "0.6.4";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "07sb4qww6mgzm66qsrr3pd66yz39r6jj4ibb3qmfg1kwnxs6ayv2";
+  };
+
+  patches = [
+    (substituteAll {
+      src = ./library-paths.patch;
+      fontconfig = "${fontconfig.lib}/lib/libfontconfig${stdenv.hostPlatform.extensions.sharedLibrary}";
+      gl = "${libGL.out}/lib/libGL${stdenv.hostPlatform.extensions.sharedLibrary}";
+    })
+  ];
+
+  nativeBuildInputs = [
+    cython setuptools_scm setuptools-scm-git-archive
+  ];
+
+  propagatedBuildInputs = [
+    numpy freetype-py fontconfig libGL
+  ];
+
+  doCheck = false;  # otherwise runs OSX code on linux.
+
+  meta = with lib; {
+    homepage = http://vispy.org/index.html;
+    description = "Interactive scientific visualization in Python";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ ];
+  };
+}
diff --git a/pkgs/development/python-modules/vispy/library-paths.patch b/pkgs/development/python-modules/vispy/library-paths.patch
new file mode 100644
index 000000000000..05b583c12e4f
--- /dev/null
+++ b/pkgs/development/python-modules/vispy/library-paths.patch
@@ -0,0 +1,39 @@
+diff --git a/vispy/ext/fontconfig.py b/vispy/ext/fontconfig.py
+index ff24662b..6a5079f0 100644
+--- a/vispy/ext/fontconfig.py
++++ b/vispy/ext/fontconfig.py
+@@ -7,10 +7,7 @@ from ..util.wrappers import run_subprocess
+ 
+ # Some code adapted from Pyglet
+ 
+-fc = util.find_library('fontconfig')
+-if fc is None:
+-    raise ImportError('fontconfig not found')
+-fontconfig = cdll.LoadLibrary(fc)
++fontconfig = cdll.LoadLibrary('@fontconfig@')
+ 
+ FC_FAMILY = 'family'.encode('ASCII')
+ FC_SIZE = 'size'.encode('ASCII')
+diff --git a/vispy/gloo/gl/gl2.py b/vispy/gloo/gl/gl2.py
+index d5bd9c38..63350e73 100644
+--- a/vispy/gloo/gl/gl2.py
++++ b/vispy/gloo/gl/gl2.py
+@@ -39,16 +39,8 @@ elif sys.platform.startswith('win'):
+         pass
+ else:
+     # Unix-ish
+-    if sys.platform.startswith('darwin'):
+-        _fname = ctypes.util.find_library('OpenGL')
+-    else:
+-        _fname = ctypes.util.find_library('GL')
+-    if not _fname:
+-        logger.warning('Could not load OpenGL library.')
+-        _lib = None
+-    else:
+-        # Load lib
+-        _lib = ctypes.cdll.LoadLibrary(_fname)
++    # Load lib
++    _lib = ctypes.cdll.LoadLibrary("@gl@")
+ 
+ 
+ def _have_context():
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 71de105067c7..dce0c979f47c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5973,6 +5973,8 @@ in {
 
   virtualenv = callPackage ../development/python-modules/virtualenv { };
 
+  vispy = callPackage ../development/python-modules/vispy { };
+
   vsts = callPackage ../development/python-modules/vsts { };
 
   vsts-cd-manager = callPackage ../development/python-modules/vsts-cd-manager { };