def cutup(cliplist, length):
segments = []
result = VideoClip(duration=0)
result.size = (0, 0)
#use size max and sizemin in this loop to ensure an even distribution of segments
#also used so final output is only as long as the shortest
sizemax = max(cliplist, key=lambda x: x.duration).duration
sizemin = min(cliplist, key=lambda x: x.duration).duration
a = 0
b = 0
while b < sizemin:
c = random.randrange(1, length)
b += c
for i in cliplist:
if (a < i.duration and b < i.duration):
segments.append(i.subclip(a, b))
a = b
random.shuffle(segments)
result = concatenate_videoclips(segments)
result = result.subclip(0, sizemin)
return result
