pythonPackages.pytest_xdist: fix build

pkgs/development/python-modules/pytest-xdist/1.nix

@@ -0,0 +1,36 @@
+{ stdenv, fetchPypi, buildPythonPackage, execnet, pytest
+, setuptools_scm, pytest-forked, filelock, psutil, six, isPy3k }:
+
+buildPythonPackage rec {
+  pname = "pytest-xdist";
+  version = "1.34.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1vh4ps32lp5ignch5adbl3pgchvigdfmrl6qpmhxih54wa1qw3il";
+  };
+
+  nativeBuildInputs = [ setuptools_scm pytest ];
+  checkInputs = [ pytest filelock ];
+  propagatedBuildInputs = [ execnet pytest-forked psutil six ];
+
+  # Encountered a memory leak
+  # https://github.com/pytest-dev/pytest-xdist/issues/462
+  doCheck = !isPy3k;
+
+  checkPhase = ''
+    # Excluded tests access file system
+    py.test testing -k "not test_distribution_rsyncdirs_example \
+                    and not test_rsync_popen_with_path \
+                    and not test_popen_rsync_subdir \
+                    and not test_init_rsync_roots \
+                    and not test_rsyncignore"
+  '';
+
+  meta = with stdenv.lib; {
+    description = "py.test xdist plugin for distributed testing and loop-on-failing modes";
+    homepage = "https://github.com/pytest-dev/pytest-xdist";
+    license = licenses.mit;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}

pkgs/development/python-modules/pytest-xdist/default.nix

@@ -1,30 +1,27 @@
-{ stdenv, fetchPypi, buildPythonPackage, execnet, pytest
+{ stdenv, fetchPypi, buildPythonPackage, execnet, pytest_6
 , setuptools_scm, pytest-forked, filelock, psutil, six, isPy3k }:
 
 buildPythonPackage rec {
   pname = "pytest-xdist";
   version = "2.1.0";
+  disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "82d938f1a24186520e2d9d3a64ef7d9ac7ecdf1a0659e095d18e596b8cbd0672";
+    sha256 = "0wh6pn66nncfs6ay0n863bgyriwsgppn8flx5l7551j1lbqkinc2";
   };
 
-  nativeBuildInputs = [ setuptools_scm pytest ];
-  checkInputs = [ pytest filelock ];
+  nativeBuildInputs = [ setuptools_scm pytest_6 ];
+  checkInputs = [ pytest_6 filelock ];
   propagatedBuildInputs = [ execnet pytest-forked psutil six ];
 
-  # Encountered a memory leak
-  # https://github.com/pytest-dev/pytest-xdist/issues/462
-  doCheck = !isPy3k;
-
+  # pytest6 doesn't allow for new lines
+  # capture_deprecated not compatible with latest pytest6
   checkPhase = ''
     # Excluded tests access file system
-    py.test testing -k "not test_distribution_rsyncdirs_example \
-                    and not test_rsync_popen_with_path \
-                    and not test_popen_rsync_subdir \
-                    and not test_init_rsync_roots \
-                    and not test_rsyncignore"
+    export HOME=$TMPDIR
+    pytest -n $NIX_BUILD_CORES \
+      -k "not (distribution_rsyncdirs_example or rsync or warning_captured_deprecated_in_pytest_6)"
   '';
 
   meta = with stdenv.lib; {

pkgs/top-level/python-packages.nix

@@ -5815,11 +5815,10 @@ in {
 
   pytest-watch = callPackage ../development/python-modules/pytest-watch { };
 
-  pytest_xdist_1 = callPackage ../development/python-modules/pytest-xdist { };
-
-  pytest_xdist_2 = callPackage ../development/python-modules/pytest-xdist/2.nix { };
-
-  pytest_xdist = self.pytest_xdist_2;
+  pytest_xdist = if isPy27 then
+    callPackage ../development/python-modules/pytest-xdist/1.nix { }
+  else
+    callPackage ../development/python-modules/pytest-xdist { };
 
   pytest-xprocess = callPackage ../development/python-modules/pytest-xprocess { };