passing arguments

Author: crazyeng

wolframclient/cli/commands/start_externalevaluate.py

@@ -15,11 +15,13 @@ class Command(SimpleCommand):
     def add_arguments(self, parser):
         parser.add_argument("--port", dest="port", default=None)
         parser.add_argument("--installpath", dest="installpath", default=None)
+        parser.add_argument("--kernelversion", dest="kernelversion", default=None)
 
-    def handle(self, port=None, installpath=None, **opts):
+    def handle(self, port=None, installpath=None, kernelversion=None, **opts):
 
-        if installpath:
-            os.environ["WOLFRAM_INSTALLATION_DIRECTORY"] = installpath
+        for key, value in (("WOLFRAM_INSTALLATION_DIRECTORY", installpath), ("WOLFRAM_KERNEL_VERSION", kernelversion)):
+            if value:
+                os.environ[key] = value
 
         try:
             zmq.Context

wolframclient/evaluation/kernel/kernelcontroller.py

@@ -7,7 +7,7 @@
 from subprocess import PIPE, Popen
 from threading import Event, RLock, Thread
 
-from wolframclient.evaluation.kernel.path import find_default_kernel_path
+from wolframclient.utils.environment import find_default_kernel_path
 from wolframclient.evaluation.kernel.zmqsocket import (
     Socket,
     SocketAborted,

wolframclient/serializers/encoder.py

@@ -5,6 +5,7 @@
 from collections import defaultdict
 from functools import partial
 
+from wolframclient.utils.environment import installation_version
 from wolframclient.serializers.utils import safe_len
 from wolframclient.utils.api import multiprocessing, pkg_resources
 from wolframclient.utils.dispatch import Dispatch
@@ -205,7 +206,7 @@ def __init__(
             normalizer, encoder=safe_import_string(encoder or wolfram_encoder)
         )
         self.allow_external_objects = allow_external_objects
-        self.target_kernel_version = target_kernel_version or 11.3
+        self.target_kernel_version = target_kernel_version or installation_version()
         self._properties = kwargs
 
     def chain_normalizer(self, func, encoder):