Language registry altered, Name cleanup:

- set_registry will only act when registry is None
- _setup, _teardown and _check_code are setup,teardown,check_code
- Corresponding name changes in evaluator modules

1 files changed, 9 insertions, 2 deletions

diff --git a/yaksh/language_registry.py b/yaksh/language_registry.py
index 76a23d7..ee311ec 100644
--- a/yaksh/language_registry.py
+++ b/yaksh/language_registry.py
@@ -3,11 +3,18 @@ import importlib
 
 registry = None
 
-def set_registry():
+# def set_registry():
+#     global registry
+#     registry = _LanguageRegistry()
+
+def _set_registry():
     global registry
-    registry = _LanguageRegistry()
+    if registry is None:
+        registry = _LanguageRegistry()
+    return registry
     
 def get_registry():
+    registry = _set_registry()
     return registry
 
 class _LanguageRegistry(object):