nums: safer mean and median

Author: chapmanjacobd

.gitignore

@@ -1,3 +1,4 @@
+*.duckdb
 *.pdf
 *.epub
 /.mutmut-cache

library/playback/media_printer.py

@@ -140,7 +140,7 @@ def media_printer(args, data, units=None, media_len=None) -> None:
         marked = db_history.add(args, [d["path"] for d in media], mark_done=True)
         log.warning(f"Marked {marked} metadata records as watched")
 
-    total_duration = sum(m.get("duration") or 0 for m in media)
+    total_duration = sum(nums.safe_int(m.get("duration")) or 0 for m in media)
     if "a" in print_args and ("Aggregate" not in media[0].get("path") or ""):
         if "count" in media[0]:
             D = {"path": "Aggregate", "count": sum(d.get("count") or 0 for d in media)}

library/utils/nums.py

@@ -63,7 +63,9 @@ def safe_median(l) -> float | None:
     if not l:
         return None
     try:
-        return statistics.median(v for v in l if v is not None and v > 0)
+        l = (safe_float(v) for v in l)
+        l = (v for v in l if v and v > 0)
+        return statistics.median(l)
     except statistics.StatisticsError:
         return None
 
@@ -72,7 +74,9 @@ def safe_mean(l) -> float | None:
     if not l:
         return None
     try:
-        return statistics.mean(v for v in l if v is not None and v > 0)
+        l = (safe_float(v) for v in l)
+        l = (v for v in l if v and v > 0)
+        return statistics.mean(l)
     except statistics.StatisticsError:
         return None