Add option of load_code_from_local which is required in cross-language ray call. (#3675)

python/ray/parameter.py

@@ -73,6 +73,7 @@ class RayParams(object):
         include_java (bool): If True, the raylet backend can also support
             Java worker.
         java_worker_options (str): The command options for Java worker.
+        load_code_from_local: Whether load code from local file or from GCS.
         _internal_config (str): JSON configuration for overriding
             RayConfig defaults. For testing purposes ONLY.
     """
@@ -110,6 +111,7 @@ class RayParams(object):
                  autoscaling_config=None,
                  include_java=False,
                  java_worker_options=None,
+                 load_code_from_local=False,
                  _internal_config=None):
         self.object_id_seed = object_id_seed
         self.redis_address = redis_address
@@ -141,6 +143,7 @@ class RayParams(object):
         self.autoscaling_config = autoscaling_config
         self.include_java = include_java
         self.java_worker_options = java_worker_options
+        self.load_code_from_local = load_code_from_local
         self._internal_config = _internal_config
         self._check_usage()