Files
smnp-py/smnp/module/note/function/interval.py
2019-07-09 22:18:02 +02:00

25 lines
973 B
Python

from smnp.library.model import Function, CombinedFunction
from smnp.library.signature import varargSignature, ofTypes, listOf
from smnp.note.interval import intervalToString
from smnp.note.model import Note
from smnp.type.model import Type
_signature1 = varargSignature(ofTypes(Type.NOTE, Type.INTEGER))
def _function1(env, vararg):
withoutPauses = [note.value for note in vararg if note.type == Type.NOTE]
if len(withoutPauses) < 2:
return Type.list([])
semitones = [Note.checkInterval(withoutPauses[i-1], withoutPauses[i]) for i in range(1, len(withoutPauses))]
return Type.list([Type.string(intervalToString(s)) for s in semitones]).decompose()
_signature2 = varargSignature(listOf(Type.NOTE, Type.INTEGER))
def _function2(env, vararg):
return Type.list([_function1(env, arg.value) for arg in vararg]).decompose()
function = CombinedFunction(
'interval',
Function(_signature1, _function1),
Function(_signature2, _function2)
)