python3Packages.imageio: fix tests

pkgs/development/python-modules/imageio/default.nix

@@ -1,14 +1,17 @@
 { lib
+, stdenv
 , buildPythonPackage
 , isPy27
 , fetchPypi
-, fetchpatch
+, substituteAll
 , imageio-ffmpeg
 , numpy
 , pillow
 , psutil
 , pytestCheckHook
 , tifffile
+, fsspec
+, libGL
 }:
 
 buildPythonPackage rec {
@@ -21,6 +24,13 @@ buildPythonPackage rec {
     inherit pname version;
   };
 
+  patches = [
+    (substituteAll {
+      src = ./libgl-path.patch;
+      libgl = "${libGL.out}/lib/libGL${stdenv.hostPlatform.extensions.sharedLibrary}";
+    })
+  ];
+
   propagatedBuildInputs = [
     imageio-ffmpeg
     numpy
@@ -28,34 +38,33 @@ buildPythonPackage rec {
   ];
 
   checkInputs = [
+    fsspec
     psutil
     pytestCheckHook
     tifffile
   ];
 
-  preCheck = ''
-    export IMAGEIO_USERDIR="$TMP"
-    export IMAGEIO_NO_INTERNET="true"
-    export HOME="$(mktemp -d)"
-  '';
-
-  disabledTests = [
-    # tries to pull remote resources, even with IMAGEIO_NO_INTERNET
-    "test_png_remote"
-    # needs git history
-    "test_mvolread_out_of_bytes"
-    "test_imiter"
-    "test_memory_size"
-    "test_legacy_write_empty"
+  pytestFlagsArray = [
+    "-m 'not needs_internet'"
   ];
 
+  preCheck = ''
+    export IMAGEIO_USERDIR="$TMP"
+    export HOME=$TMPDIR
+  '';
+
   disabledTestPaths = [
+    # tries to fetch fixtures over the network
+    "tests/test_freeimage.py"
     "tests/test_pillow.py"
+    "tests/test_spe.py"
+    "tests/test_swf.py"
   ];
 
   meta = with lib; {
     description = "Library for reading and writing a wide range of image, video, scientific, and volumetric data formats";
     homepage = "http://imageio.github.io/";
     license = licenses.bsd2;
+    maintainers = with maintainers; [ ];
   };
 }

pkgs/development/python-modules/imageio/libgl-path.patch

@@ -0,0 +1,13 @@
+diff --git a/tests/test_core.py b/tests/test_core.py
+index 2cdbb3a..032974c 100644
+--- a/tests/test_core.py
++++ b/tests/test_core.py
+@@ -129,7 +129,7 @@ def test_findlib2():
+     open(os.path.join(fi_dir, "notalib.test.so"), "wb")
+ 
+     # Loading libs
+-    gllib = ctypes.util.find_library("GL")
++    gllib = "@libgl@"
+     core.load_lib([gllib], [])
+     # Fail
+     raises(ValueError, core.load_lib, [], [])  # Nothing given