Move python files into py dir

py/files.py

@@ -0,0 +1,20 @@
+"""File operation helpers"""
+import json
+import shutil
+
+
+def load(file: str) -> dict:
+    """Load a json file directly as a dict"""
+    with open(file) as f:
+        return json.load(f)
+
+
+def save(file: str, content: dict):
+    """
+    Save out a content dictionary to a file
+    Stores it in an intermediary file first incase the dump fails
+    """
+    intermediate = file + ".nxt"
+    with open(intermediate, "w") as f:
+        json.dump(content, f, indent=4)
+    shutil.move(intermediate, file)