enhance/ui (#28)

Fix #24

Reviewed-on: #28

src/entity/config.py

@@ -47,3 +47,9 @@ class Config(object):
         if config_var not in Config._CONFIG:
             raise Exception(f"Please set the {config_var} variable in the config file {Config._CONFIG_FILE}")
         return Config._CONFIG[config_var]
+
+    @staticmethod
+    def set_config_var(name, value):
+        assert Config._CONFIG
+        Config._CONFIG[name] = value
+        return Config