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from collections.abc import Callable
from solo_tool.solo_tool import SoloTool
def changeSong(st: SoloTool, delta: int) -> Callable[[], None]:
def f():
if st.song is None:
st.song = 0
else:
st.song += delta
return f
def seekRelative(st: SoloTool, delta: float) -> Callable[[], None]:
def f():
st.position += delta
return f
def positionToKeyPoint(st: SoloTool) -> Callable[[], None]:
def f():
st.keyPoint = st.position
return f
def changeKeyPoint(st: SoloTool, delta: int) -> Callable[[], None]:
from bisect import bisect_right, bisect_left
def f():
if delta > 0:
pivot = bisect_right(st.keyPoints, st.keyPoint) - 1
elif delta < 0:
pivot = bisect_left(st.keyPoints, st.keyPoint) - 1
else:
return
new = max(min(pivot + delta, len(st.keyPoints) - 1), 0)
st.keyPoint = st.keyPoints[new]
return f
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