def suitable_next_track_count(self, key):
_key = KeyFactory.new(key)
same = self.count_for[str(KeyFactory.new(key))]
higher = self.count_for[_key.up_fifth]
lower = self.count_for[_key.down_fifth]
relative = self.count_for[_key.relative]
return same + higher + lower + relative
def add_track(self, track):
self.append(track)
self.count_for[str(KeyFactory.new(track.key))] += 1
try:
self.tempos[track.bpm] += 1
except AttributeError:
pass