terminal.py 文件源码

def display_metadata(self, term_instance):
        """
        Sends a message to the user that displays the OGG file metadata.  Things
        like ID3 tags, bitrate, channels, etc.
        """
        if not self.sent_message:
            global _logged_mutagen_warning
            try:
                import mutagen.oggvorbis
            except ImportError:
                if not _logged_mutagen_warning:
                    _logged_mutagen_warning = True
                    logging.warning(_(
                        "Could not import the mutagen Python module.  "
                        "Displaying audio file metadata will be disabled."))
                    logging.info(_(
                        "TIP: Install mutagen:  sudo pip install mutagen"))
                return
            oggfile = mutagen.oggvorbis.Open(self.file_obj.name)
            message = "<pre>%s</pre>" % oggfile.pprint()
            term_instance.send_message(message)
            self.sent_message = True