Upload utils.py

utils/utils.py

@@ -0,0 +1,19 @@
+import ruamel.yaml
+
+def read_yaml_file(yaml_path: str, to_dict=True):
+    """read from yaml file"""
+    yaml = ruamel.yaml.YAML()
+    with open(yaml_path, "r") as file:
+        # yaml_content = yaml.safe_load(file)
+        yaml_content = yaml.load(file)
+    yaml_content = dict(yaml_content) if to_dict else yaml_content
+    return yaml_content
+
+class Singleton(type):
+    _instances = {}
+
+    def __call__(cls, *args, **kwargs):
+        if cls not in cls._instances:
+            cls._instances[cls] = super(Singleton, cls).__call__(*args,
+                                                                 **kwargs)
+        return cls._instances[cls]