Stupid SIP analog phone adapter melody fun

genmelody.py

#!/usr/bin/env python

from tones import tones
import math

# format:
#
# freq@-attn,
# freq@-attn,
# freq@-attn
# ;
# 20(
#  len/delay/1,
#  len/delay/2,
#  len/delay/3
# )

def gen_melody(tones):
    melody = ""
    length = 0.0
    for tone in tones:
        melody += "%d@-16," % tone[0]
        length += float(tone[1])

    melody = melody[:-1]
    melody += ";"

    length = math.ceil(length/1000)
    melody += "%d(" % length
    i=1
    for tone in tones:
        melody += ".%.3d/0/%d," % (tone[1], i)
        i+=1

    melody = melody[:-1]
    melody += ")"

    return melody

print("Dial tone:")
print(gen_melody(tones[:6]))
print("Reorder tone:")
print(gen_melody(tones[6:12]))

tones.py

# Example (AxelF):

tones = [ [659,460,], [784,340,], [659,230,], [659,110,], [880,230,], [659,230,], [587,230,], [659,460,], [988,340,], [659,230,], [659,110,], [1047,230,],]