download and sort json from prefix.cc with python script in custom task

TaskfileCustom.yaml

@@ -6,5 +6,4 @@ tasks:
   update_prefixes:
     desc: Update the prefix list from prefix.cc.
     cmds:
-      - curl -L -o cmem_plugin_shapes/prefix.cc.json http://prefix.cc/popular/all.file.json
-      - python sort_prefix_json.py
+      - python update_prefixes.py

update_prefixes.py

@@ -0,0 +1,11 @@
+"""Helper script to sort prefixes in task custom:update_prefixes"""
+
+from json import dump, loads
+from pathlib import Path
+from urllib.request import urlopen
+
+with urlopen('http://prefix.cc/popular/all.file.json') as f:
+    json_data = loads(f.read().decode('utf-8'))
+
+with (Path("cmem_plugin_shapes") / "prefix.cc.json").open("w") as json_file:
+    dump(json_data, json_file, sort_keys=True, indent=2)