Docstring

cpdctrl/utility/config_file.py

@@ -2,6 +2,13 @@ from os import environ, makedirs, path
 import yaml
 
 class ConfigFile:
+    """
+    Class managing a yaml config file.
+    The file is loaded on creation and can be saved with .save().
+
+    You may initialize an instance with empty string as filepath,
+    in this case no file will not be loaded or saved.
+    """
     def __init__(self, filepath: str, init_values = None):
         self.values = {}
         if init_values:
@@ -19,10 +26,14 @@ class ConfigFile:
         with open(self.filepath, "w") as file:
             yaml.dump(self.values, file)
 
-    def get(self, name: str, default=None):
+    def get_or(self, name: str, default):
         if name in self.values: return self.values[name]
         return default
 
+    def get(self, name: str):
+        if name in self.values: return self.values[name]
+        raise KeyError(f"Key '{name}' not found in config file '{self.filepath}'")
+
     def set(self, name: str, value):
         self.values[name] = value