simplify provider

lastfm/__init__.py

@@ -1,12 +1,14 @@
+#!/usr/bin/env python3
 from functools import lru_cache
-from kython import listdir_abs, json_load, JSONType
 from typing import Dict, List, NamedTuple
-from pytz import UTC
 from datetime import datetime
+from pathlib import Path
 import os
+import json
 
+import pytz
 
-_PATH = "/L/backups/lastfm"
+_PATH = Path("/L/backups/lastfm")
 
 class Scrobble(NamedTuple):
     dt: datetime
@@ -17,18 +19,21 @@ class Scrobble(NamedTuple):
 
 # TODO watch out, if we keep the app running it might expire
 def _iter_scrobbles():
-    last = max(listdir_abs(_PATH))
+    last = max(_PATH.glob('*.json'))
     # TODO mm, no timezone? wonder if it's UTC...
-    j: List[Dict[str, str]]
-    with open(last, 'r') as fo:
-        j = json_load(fo)
+    j = json.loads(last.read_text())
+
     for d in j:
         ts = int(d['date'])
-        dt = datetime.fromtimestamp(ts, tz=UTC)
+        dt = datetime.fromtimestamp(ts, tz=pytz.utc)
         track = f"{d['artist']} — {d['name']}"
         yield Scrobble(dt, track)
 
 
-@lru_cache()
+@lru_cache(1)
 def get_scrobbles():
     return list(_iter_scrobbles())
+
+
+def test():
+    assert len(get_scrobbles()) > 1000