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import os
from solo_tool.solo_tool import SoloTool
class SoloToolController:
def __init__(self, soloTool: SoloTool):
self._soloTool = soloTool
def nextSong(self):
current = self._soloTool.getCurrentSong()
if current is None:
self._soloTool.setSong(0)
else:
self._soloTool.setSong(current + 1)
def previousSong(self):
current = self._soloTool.getCurrentSong()
if current is None:
self._soloTool.setSong(0)
else:
self._soloTool.setSong(current - 1)
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