conan: Locally pin deps, enable tests

pkgs/development/tools/build-managers/conan/default.nix

@@ -1,29 +1,59 @@
-{ lib, buildPythonApplication, fetchPypi
-, requests, fasteners, pyyaml, pyjwt, colorama, patch
-, bottle, pluginbase, six, distro11, pylint, node-semver2
-, future, pygments, mccabe
-, fetchpatch
-}:
+{ lib, fetchpatch, python }:
 
-buildPythonApplication rec {
-  version = "1.1.1";
+let newPython = python.override {
+  packageOverrides = self: super: {
+    distro = super.distro.overridePythonAttrs (oldAttrs: rec {
+      version = "1.1.0";
+      src = oldAttrs.src.override {
+        inherit version;
+        sha256 = "1vn1db2akw98ybnpns92qi11v94hydwp130s8753k6ikby95883j";
+      };
+    });
+    node-semver = super.node-semver.overridePythonAttrs (oldAttrs: rec {
+      version = "0.2.0";
+      src = oldAttrs.src.override {
+        inherit version;
+        sha256 = "1080pdxrvnkr8i7b7bk0dfx6cwrkkzzfaranl7207q6rdybzqay3";
+      };
+    });
+  };
+};
+
+in newPython.pkgs.buildPythonApplication rec {
+  version = "1.1.1"; # remove patch below when updating
   pname = "conan";
 
-  src = fetchPypi {
+  src = newPython.pkgs.fetchPypi {
     inherit pname version;
     sha256 = "1k1r401bc9fgmhd5n5f29mjcn346r3zdrm7p28nwpr2r2p3fslrl";
   };
 
-  propagatedBuildInputs = [
+  checkInputs = with newPython.pkgs; [
+    nose
+    parameterized
+    mock
+    webtest
+    codecov
+  ];
+
+  propagatedBuildInputs = with newPython.pkgs; [
     requests fasteners pyyaml pyjwt colorama patch
-    bottle pluginbase six distro11 pylint node-semver2
+    bottle pluginbase six distro pylint node-semver
     future pygments mccabe
   ];
 
-  # enable tests once all of these pythonPackages available:
-  # [ nose nose_parameterized mock webtest codecov ]
-  # update 2018-03-11: only nose_parameterized is missing
-  doCheck = false;
+  patches = [
+    # already merged, remove with the next package update
+    (fetchpatch {
+      url = "https://github.com/conan-io/conan/commit/51cc4cbd51ac8f9b9efa2bf678a2d7810e273ff3.patch";
+      sha256 = "0d93g4hjpfk8z870imwdswkw5qba2h5zhfgwwijiqhr2pv7fl1y7";
+    })
+  ];
+
+  preCheck = ''
+    export HOME="$TMP/conan-home"
+    mkdir -p "$HOME"
+  '';
 
   meta = with lib; {
     homepage = https://conan.io;