Merge pull request #227 in LCL/wolframclientforpython from bugfix/384478-python-38 to master

* commit 'd6e83c8b6c27a2b6967294309145b902d1744da1':
  removing unused protected_types
  removing extra function
  adding fix for python 3.8

Author: crazyeng

wolframclient/utils/externalevaluate.py

@@ -27,6 +27,21 @@
 
 EXPORT_KWARGS = {"target_format": "wxf", "allow_external_objects": True}
 
+if six.PY_38:
+
+    # https://bugs.python.org/issue35766
+    # https://bugs.python.org/issue35894
+    # https://github.com/ipython/ipython/issues/11590
+    # PY_38 requires type_ignores to be a list, other versions are not accepting a second argument
+
+    def Module(code):
+        return ast.Module(code, [])
+
+
+else:
+
+    Module = ast.Module
+
 
 def EvaluationEnvironment(code, session_data={}, constants=None, **extra):
 
@@ -70,7 +85,7 @@ def execute_from_string(code, globals={}, **opts):
         result = expressions.pop(-1)
 
     if expressions:
-        exec(compile(ast.Module(expressions), "", "exec"), env)
+        exec(compile(Module(expressions), "", "exec"), env)
 
     if result:
         return eval(compile(ast.Expression(result.value), "", "eval"), env)

wolframclient/utils/six.py

@@ -14,6 +14,7 @@
 PY_35 = sys.version_info >= (3, 5)
 PY_36 = sys.version_info >= (3, 6)
 PY_37 = sys.version_info >= (3, 7)
+PY_38 = sys.version_info >= (3, 8)
 
 WINDOWS = platform.system() == "Windows"
 LINUX = platform.system() == "Linux"
@@ -60,20 +61,4 @@
     itertools.groupby,
 ]
 if not PY2:
-    iterable_types.extend((map, range))
-
-protected_types = tuple(
-    itertools.chain(
-        string_types,
-        integer_types,
-        (
-            float,
-            decimal.Decimal,
-            datetime.date,
-            datetime.datetime,
-            datetime.time,
-            bool,
-            none_type,
-        ),
-    )
-)
+    iterable_types.extend((map, range))