From e90ed4bc96446d7592eb310b8979383c99d0d644 Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Sat, 26 Oct 2019 14:39:46 -0700
Subject: [PATCH] pythonPackages.pywavelets: disable python2, disable py3 tests

---
 .../python-modules/pywavelets/default.nix      | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/python-modules/pywavelets/default.nix b/pkgs/development/python-modules/pywavelets/default.nix
index 7b19d008711..fbb226bb1f2 100644
--- a/pkgs/development/python-modules/pywavelets/default.nix
+++ b/pkgs/development/python-modules/pywavelets/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, isPy27
 , cython
 , nose
 , pytest
@@ -10,6 +11,7 @@
 buildPythonPackage rec {
   pname = "PyWavelets";
   version = "1.1.1";
+  disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
@@ -23,14 +25,24 @@ buildPythonPackage rec {
   propagatedBuildInputs = [ numpy ];
 
   # Somehow nosetests doesn't run the tests, so let's use pytest instead
+  doCheck = false; # tests use relative paths, which fail to resolve
   checkPhase = ''
     py.test pywt/tests
   '';
 
-  meta = {
+  # ensure compiled modules are present
+  pythonImportsCheck = [
+    "pywt"
+    "pywt._extensions._cwt"
+    "pywt._extensions._dwt"
+    "pywt._extensions._pywt"
+    "pywt._extensions._swt"
+  ];
+
+  meta = with lib; {
     description = "Wavelet transform module";
     homepage = https://github.com/PyWavelets/pywt;
-    license = lib.licenses.mit;
+    license = licenses.mit;
   };
 
-}
\ No newline at end of file
+}