Ensure the path directory is created before saving a json file

matchy/files/ops.py

@@ -1,6 +1,8 @@
 """File operation helpers"""
 import json
 import shutil
+import pathlib
+import os
 
 
 def load(file: str) -> dict:
@@ -12,8 +14,12 @@ def load(file: str) -> dict:
 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
     """
+    # Ensure the save directory exists first
+    dir = pathlib.Path(os.path.dirname(file))
+    dir.mkdir(parents=True, exist_ok=True)
+
+    # Store in an intermediary directory first
     intermediate = file + ".nxt"
     with open(intermediate, "w") as f:
         json.dump(content, f, indent=4)