Use function to determine XDG directories

We do the same thing here twice, so this seems worth it.

1 files changed, 9 insertions, 7 deletions

diff --git a/later b/later
index 4b0a55b..9ae72a3 100755
--- a/later
+++ b/later
@@ -8,16 +8,18 @@ import re
 import sys
 from datetime import datetime as dt
 
-xdg_state_home = os.path.expanduser("~/.local/state")
-if "XDG_STATE_HOME" in os.environ:
-    xdg_state_home = os.environ["XDG_STATE_HOME"]
 
-watch_later_dir = os.path.join(xdg_state_home, "mpv/watch_later")
+def get_xdg(type, fallback):
+    env = f"XDG_{type.upper()}_HOME"
+    if env in os.environ:
+        return os.environ[env]
+    return os.path.expanduser(fallback)
+
 
-xdg_cache_home = os.path.expanduser("~/.cache")
-if "XDG_CACHE_HOME" in os.environ:
-    xdg_cache_home = os.environ["XDG_CACHE_HOME"]
+xdg_cache_home = get_xdg("cache", "~/.cache")
+xdg_state_home = get_xdg("state", "~/.local/state")
 
+watch_later_dir = os.path.join(xdg_state_home, "mpv/watch_later")
 later_cache_dir = os.path.join(xdg_cache_home, "later")
 title_map_file = os.path.join(later_cache_dir, "titles.json")