def crossover(self, p1, p2, point):
# get traits for each parent
p1t = self.to_list(model.get_indi_traits(p1))
p2t = self.to_list(model.get_indi_traits(p2))
split = random.randint(1, model.get_num_traits())
# create each child
c1 = p1t[:split] + p2t[split:]
c2 = p2t[:split] + p1t[split:]
# store children in database
tmp_id = int(model.get_max_indi_id()) + 1
tmp_gen = int(model.get_max_gen()) + 1
for i in c1:
model.insert_trait(tmp_id, tmp_gen, i[0], i[1])
for i in c2:
model.insert_trait(tmp_id + 1, tmp_gen, i[0], i[1])
return tmp_id
def create_pheno(self, indi):
'''
converts the individuals pitch, accidental, octave, and rhythm to a music stream
using the music21 library. the music stream is then used to create a midi file
'''
gene = self.to_list(model.get_indi_traits(indi))
partupper = stream.Part()
m = stream.Measure()
for _note, _duration in gene:
print "note :", _note
print "duration :", _duration
n = note.Note(_note)
n.duration.type = _duration
m.append(n)
partupper.append(m)
return partupper
