Allow creation of avi video.

src/holt59/aoc/utils/api/files.py

@@ -1,3 +1,4 @@
+import os
 from pathlib import Path
 from typing import Final
 
@@ -9,9 +10,14 @@ class FileHandlerAPI(FileHandler):
     def __init__(self, folder: Path):
         self.folder: Final = folder
 
-    def create(self, filename: str, content: bytes, text: bool = False):
-        self.folder.mkdir(exist_ok=True)
-        with open(self.folder.joinpath(filename), "wb") as fp:
-            fp.write(content)
-        dump_api_message("file", {"filename": filename, "size": len(content)})
+    def make_path(self, filename: str) -> Path:
         return self.folder.joinpath(filename)
+
+    def notify_created(self, path: Path):
+        dump_api_message("file", {"filename": path.name, "size": os.stat(path).st_size})
+
+    def _create(self, path: Path, content: bytes, text: bool = False):
+        self.folder.mkdir(exist_ok=True)
+        with open(path, "wb") as fp:
+            fp.write(content)
+        return path