keyboard_gui.py 文件源码

def load_preset(self):
        file = askopenfile(filetypes=[("Synth presets", "*.ini")])
        cf = ConfigParser()
        cf.read_file(file)
        file.close()
        # general settings
        self.samplerate_choice.set(cf["settings"]["samplerate"])
        self.rendering_choice.set(cf["settings"]["rendering"])
        self.a4_choice.set(cf["settings"]["a4tuning"])
        self.to_speaker_lb.selection_clear(0, tk.END)
        to_speaker = cf["settings"]["to_speaker"]
        to_speaker = tuple(to_speaker.split(','))
        for o in to_speaker:
            self.to_speaker_lb.selection_set(int(o)-1)
        for section in cf.sections():
            if section.startswith("oscillator"):
                num = int(section.split('_')[1])-1
                osc = self.oscillators[num]
                for name, value in cf[section].items():
                    getattr(osc, name).set(value)
                osc.waveform_selected()
            elif section.startswith("envelope"):
                num = int(section.split('_')[1])-1
                env = self.envelope_filters[num]
                for name, value in cf[section].items():
                    getattr(env, name).set(value)
            elif section == "arpeggio":
                for name, value in cf[section].items():
                    getattr(self.arp_filter, name).set(value)
            elif section == "tremolo":
                for name, value in cf[section].items():
                    getattr(self.tremolo_filter, name).set(value)
            elif section == "echo":
                for name, value in cf[section].items():
                    getattr(self.echo_filter, name).set(value)
        self.statusbar["text"] = "preset loaded."