Added nested_delete and config_delete

src/libbot/sync/_nested.py

@@ -0,0 +1,64 @@
+from typing import Any, Dict
+
+
+def nested_set(
+    target: dict, value: Any, *path: str, create_missing=True
+) -> Dict[str, Any]:
+    """Set the key by its path to the value
+
+    ### Args:
+        * target (`dict`): Dictionary to perform modifications on
+        * value (`Any`): Any data
+        * *path (`str`): Path to the key of the target
+        * create_missing (`bool`, *optional*): Create keys on the way if they're missing. Defaults to `True`
+
+    ### Raises:
+        * `KeyError`: Key is not found under path provided
+
+    ### Returns:
+        * `Dict[str, Any]`: Changed dictionary
+    """
+    d = target
+
+    for key in path[:-1]:
+        if key in d:
+            d = d[key]
+        elif create_missing:
+            d = d.setdefault(key, {})
+        else:
+            raise KeyError(
+                f"Key '{key}' is not found under path provided ({path}) and create_missing is False"
+            )
+
+    if path[-1] in d or create_missing:
+        d[path[-1]] = value
+
+    return target
+
+
+def nested_delete(target: dict, *path: str) -> Dict[str, Any]:
+    """Delete the key by its path
+
+    ### Args:
+        * target (`dict`): Dictionary to perform modifications on
+
+    ### Raises:
+        * `KeyError`: Key is not found under path provided
+
+    ### Returns:
+        `Dict[str, Any]`: Changed dictionary
+    """
+    d = target
+
+    for key in path[:-1]:
+        if key in d:
+            d = d[key]
+        else:
+            raise KeyError(f"Key '{key}' is not found under path provided ({path})")
+
+    if path[-1] in d:
+        del d[path[-1]]
+    else:
+        raise KeyError(f"Key '{path[-1]}' is not found under path provided ({path})")
+
+    return target