Pull request #255: Bugfix/431633 inspect args

Merge in LCL/wolframclientforpython from bugfix/431633-inspect-args to master

* commit 'e8b876c08d80c6ffeb1fb81cd3a35877f144aa40':
  version bump
  depending on the system getfullargspec might not be there

Author: crazyeng

PacletInfo.m

@@ -1,6 +1,6 @@
 Paclet[
     Name -> "WolframClientForPython",
-    Version -> "1.1.8",
+    Version -> "1.1.9",
     MathematicaVersion -> "12.3+",
     Loading -> Automatic,
     Extensions -> {}

wolframclient/about.py

@@ -2,6 +2,6 @@
 
 __name__ = "wolframclient"
 __description__ = "A Python library with various tools to interact with the Wolfram Language and the Wolfram Cloud."
-__version__ = "1.1.8"
+__version__ = "1.1.9"
 __author__ = "Wolfram Research"
 __author_email__ = "[email protected], [email protected], [email protected]"

wolframclient/serializers/base.py

@@ -15,6 +15,14 @@
 from wolframclient.utils.encoding import concatenate_bytes, force_text
 from wolframclient.utils.functional import first
 
+if hasattr(inspect, 'getfullargspec'):
+    inspect_args = inspect.getfullargspec
+elif hasattr(inspect, 'getargspec'):
+    inspect_args = inspect.getargspec
+else:
+    def inspect_args(f):
+        raise TypeError()
+
 
 class FormatSerializer(Encoder):
     def generate_bytes(self, data):
@@ -139,7 +147,7 @@ def _serialize_external_object(self, o):
             yield "Type", "PythonFunction"
             try:
                 # force tuple to avoid calling this method again on `map`.
-                yield "Arguments", tuple(map(force_text, first(inspect.getargspec(o))))
+                yield "Arguments", tuple(map(force_text, first(inspect_args(o))))
             except TypeError:
                 # this function can fail with TypeError unsupported callable
                 pass