# isobar: ex-subsequence
#------------------------------------------------------------------------
import isobar as iso
import logging
logging.basicConfig(level=logging.DEBUG, format="[%(asctime)s] %(message)s")
scale = iso.Scale.pelog
sequence = iso.PDegree(iso.PBrown(0, 3, -12, 12), scale)
offset = iso.PStutter(iso.pattern.PWhite(0, 4), 2)
sequence = iso.PSubsequence(sequence, offset, 4)
sequence = iso.PPermut(sequence)
sequence = sequence + 64
sequence = iso.PReset(sequence, iso.PImpulse(24))
amp = iso.pattern.PSequence([45, 35, 25, 40]) + iso.PBrown(0, 1, -15, 10)
gate = iso.pattern.PBrown(1.5, 0.01, 0.6, 2.5)
timeline = iso.Timeline(120)
timeline.schedule({
"note": sequence.copy(),
"amplitude": amp.copy(),
"duration": 0.25,
"gate": gate.copy()
})
timeline.schedule({
"note": sequence.copy() + 24,
"amplitude": amp.copy(),
def test_pimpulse():
a = iso.PImpulse(4)
b = iso.PSubsequence(a, 0, 8)
assert list(b) == [1, 0, 0, 0, 1, 0, 0, 0]
def test_preset():
a = iso.PSeries(0, 1)
b = iso.PReset(a, iso.PImpulse(4))
c = iso.PSubsequence(b, 0, 10)
assert list(c) == [0, 1, 2, 3, 0, 1, 2, 3, 0, 1]
def test_pcounter():
a = iso.PCounter(iso.PImpulse(4))
b = iso.PSubsequence(a, 0, 10)
assert list(b) == [1, 1, 1, 1, 2, 2, 2, 2, 3, 3]