python.pkgs.python-language-server: init at 0.18.0

pkgs/development/python-modules/python-language-server/default.nix

@@ -0,0 +1,48 @@
+{ lib, buildPythonPackage, fetchFromGitHub, pythonOlder, isPy27
+, configparser, futures, future, jedi, pluggy
+, pytest, mock, pytestcov, coverage
+# The following packages are optional and
+# can be overwritten with null as your liking.
+# This also requires to disable tests.
+, rope ? null
+, mccabe ? null
+, pyflakes ? null
+, pycodestyle ? null
+, autopep8 ? null
+, yapf ? null
+, pydocstyle ? null
+}:
+
+buildPythonPackage rec {
+  pname = "python-language-server";
+  version = "0.18.0";
+
+  src = fetchFromGitHub {
+    owner = "palantir";
+    repo = "python-language-server";
+    rev = version;
+    sha256 = "0ig34bc0qm6gdj8xakmm3877lmf8ms7qg0xj8hay9gpgf8cz894s";
+  };
+
+  checkInputs = [
+    pytest mock pytestcov coverage
+    # rope is technically a dependency, but we don't add it by default since we
+    # already have jedi, which is the preferred option
+    rope
+  ];
+  checkPhase = ''
+    HOME=$TEMPDIR pytest
+  '';
+
+  propagatedBuildInputs = [
+    jedi pluggy mccabe pyflakes pycodestyle yapf pydocstyle future autopep8
+  ] ++ lib.optional (isPy27) [ configparser ]
+    ++ lib.optional (pythonOlder "3.2") [ futures ];
+
+  meta = with lib; {
+    homepage = https://github.com/palantir/python-language-server;
+    description = "An implementation of the Language Server Protocol for Python";
+    license = licenses.mit;
+    maintainers = [ maintainers.mic92 ];
+  };
+}