add caching

src/vdfparser.py

@@ -1,6 +1,9 @@
 import os
 import vdf
+from cachier import cachier
+import datetime
 
+@cachier(stale_after=datetime.timedelta(days=1))
 def parse_vdf(steam_vdf_path) -> dict:
     """
     Reads the Steam vdf file at the given path and returns the corresponding dict.
@@ -11,6 +14,7 @@ def parse_vdf(steam_vdf_path) -> dict:
     vdf_data = vdf.loads(open(steam_vdf_path, 'r').read())
     return vdf_data
 
+@cachier(stale_after=datetime.timedelta(days=1))
 def fetch_ids(vdf_json: dict):
     """
     Prints all Steam app IDs from the given vdf data.
@@ -76,11 +80,13 @@ def find_extra_locations(vdf_json):
     return steam_library_locations
 
 # Reads manifest of individual game vdfs
+@cachier(stale_after=datetime.timedelta(days=1), cache_dir='/tmp/.cache')
 def read_game_vdf(gameID: int, steam_vdf_json: dict, path, game) -> dict:
     with open(os.path.join(path, game), 'r') as f:
         game_vdf = vdf.loads(f.read())
     return game_vdf['AppState']
 
+@cachier(stale_after=datetime.timedelta(days=1), cache_dir='/tmp/.cache')
 def fetchall_vdfs(steam_vdf_json: dict):
     """
     Reads all Steam game manifests in the given Steam VDF data and returns a list of dictionaries containing information about each game.