adding python array class and test suite

Author: crazyeng

wolframclient/tests/serializers/wxf_pythonarray.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import absolute_import, print_function, unicode_literals
+
+from functools import partial
+
+from wolframclient.serializers import export
+from wolframclient.utils.api import numpy
+from wolframclient.utils.pythonarray import PythonArray
+from wolframclient.utils.tests import TestCase as BaseTestCase
+
+
+class TestCase(BaseTestCase):
+
+    export = partial(export, target_format="wl")
+
+    def test_python_array(self):
+
+        for array, numpy_type, wl_type in (([1, 2, 3], numpy.uint64, "Integer64"),):
+
+            print(self.export(numpy.array(array, numpy_type)))
+            print(self.export(PythonArray(array, wl_type)))

wolframclient/utils/pythonarray.py

@@ -0,0 +1,15 @@
+from __future__ import absolute_import, print_function, unicode_literals
+
+from collections.abc import Sequence
+
+
+class PythonArray(Sequence):
+    def __init__(self, array, type):
+        self.array = array
+        self.type = type
+
+    def __getitem__(self, k):
+        return self.array[k]
+
+    def __len__(self):
+        return len(self.array)