Probable workaround for mpv failing after a few days on macOS

Also fix the certifi bumper: it was supposed to repeat

qt/aqt/main.py

@@ -1382,7 +1382,14 @@ title="{}" {}>{}</button>""".format(
             True,
             parent=self,
         )
-        self.progress.timer(12 * 60 * 1000, self.refresh_certs, False, parent=self)
+        if not is_win:
+            self.progress.timer(
+                12 * 60 * 1000,
+                self.temp_file_workarounds,
+                repeat=True,
+                requiresCollection=False,
+                parent=self,
+            )
 
     def onRefreshTimer(self) -> None:
         if self.state == "deckBrowser":
@@ -1398,15 +1405,20 @@ title="{}" {}>{}</button>""".format(
         if elap > minutes * 60:
             self.maybe_auto_sync_media()
 
-    def refresh_certs(self) -> None:
+    def temp_file_workarounds(self) -> None:
+        import certifi
+
+        from aqt.sound import mpvManager
+
         # The requests library copies the certs into a temporary folder on startup,
         # and chokes when the file is later missing due to temp file cleaners.
         # Work around the issue by accessing them once every 12 hours.
-        import certifi
-
         with open(certifi.where(), "rb") as f:
             f.read()
 
+        # Prevent the mpv socket from being removed
+        mpvManager.bump_socket_mtime()
+
     # Backups
     ##########################################################################
 

qt/aqt/sound.py

@@ -404,6 +404,12 @@ class MpvManager(MPV, SoundOrVideoPlayer):
         self.default_argv += [f"--config-dir={base_path}"]
         super().__init__(window_id=None, debug=False)
 
+    def bump_socket_mtime(self) -> None:
+        "Update mtime on socket to prevent temp file cleaners from removing it."
+        path = Path(self._sock_filename)
+        if path.exists():
+            os.utime(path, None)
+
     def on_init(self) -> None:
         # if mpv dies and is restarted, tell Anki the
         # current file is done