play_mp3_file() function

adafruit_fruitjam/__init__.py

@@ -193,6 +193,7 @@ def __init__(  # noqa: PLR0912,PLR0913,Too many branches,Too many arguments in f
 
         self.sd_check = self.peripherals.sd_check
         self.play_file = self.peripherals.play_file
+        self.play_mp3_file = self.peripherals.play_mp3_file
         self.stop_play = self.peripherals.stop_play
 
         self.image_converter_url = self.network.image_converter_url

adafruit_fruitjam/peripherals.py

@@ -189,6 +189,7 @@ def __init__(self):
             except OSError:
                 # sdcard init or mounting failed
                 self._sd_mounted = False
+        self._mp3_decoder = None
 
     @property
     def button1(self) -> bool:
@@ -247,6 +248,19 @@ def play_file(self, file_name, wait_to_finish=True):
             pass
         self.wavfile.close()
 
+    def play_mp3_file(self, filename):
+        with open(filename, "rb") as f:
+            if self._mp3_decoder is None:
+                from audiomp3 import MP3Decoder  # noqa: PLC0415, import outside top-level
+
+                self._mp3_decoder = MP3Decoder(f)
+            else:
+                self._mp3_decoder.file = f
+
+            self.audio.play(self._mp3_decoder)
+            while self.audio.playing:
+                pass
+
     def stop_play(self):
         """Stops playing a wav file."""
         self.audio.stop()