python.pkgs.boto3: move expression

pkgs/development/python-modules/boto3/default.nix

@@ -0,0 +1,50 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, botocore
+, jmespath
+, s3transfer
+, futures
+, docutils
+, nose
+, mock
+, isPy3k
+}:
+
+buildPythonPackage rec {
+  pname =  "boto3";
+  version = "1.4.8";
+
+  src = fetchFromGitHub {
+    owner = "boto";
+    repo  = "boto3";
+    rev   = version;
+    sha256 = "11ysd7a9l5y98q7b7az56phsj2m7w90abf4jabwrknp2c43sq9bi";
+  };
+
+  propagatedBuildInputs = [ botocore jmespath s3transfer ] ++ lib.optionals (!isPy3k) [ futures ];
+  checkInputs = [ docutils nose mock ];
+
+  checkPhase = ''
+    runHook preCheck
+    # This method is not in mock. It might have appeared in some versions.
+    sed -i 's/action.assert_called_once()/self.assertEqual(action.call_count, 1)/' \
+      tests/unit/resources/test_factory.py
+    nosetests -d tests/unit --verbose
+    runHook postCheck
+  '';
+
+  # Network access
+  doCheck = false;
+
+  meta = {
+    homepage = https://github.com/boto/boto3;
+    license = lib.licenses.asl20;
+    description = "AWS SDK for Python";
+    longDescription = ''
+      Boto3 is the Amazon Web Services (AWS) Software Development Kit (SDK) for
+      Python, which allows Python developers to write software that makes use of
+      services like Amazon S3 and Amazon EC2.
+    '';
+  };
+}