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#! /usr/bin/env python3
# -*- coding: utf-8 -*-
import importlib
class NullCalfbox(str): #iterable
"""A drop-in replacement for calfboxs python module.
Use this for testing and development.
At the start of your program, first file, insert:
import prefix.calfbox.nullbox
from SOMETHING import nullbox
All further
from prefix.calfbox import cbox
will use the null module.
Even additional
import prefix.calfbox
will use the nullbox module.
def __init__(self, *args, **kwargs):
self.client_name = ""
self.pos_ppqn = 0
self.ignore_program_changes = False
self.patch = {i:(0, "nullbox") for i in range(1,17)} #catches status().patch
self.frame_rate = 48000
self.frame = 0
def __getattr__(self, *args, **kwargs):
return __class__()
def __call__(self, *args, **kwargs):
return __class__()
def __getitem__(self, key):
return __class__()
def serialize_event(self, *args, **kwargs):
return b''
def get_patches(self, *args):
"""sf2 compatibility"""
return {
0 : "nullbox",
def set_ignore_program_changes(self, state):
self.ignore_program_changes = state
def __and__(self, *args):
return 1
__add__ = __sub__ = __mul__ = __floordiv__ = __div__ = __truediv__ = __mod__ = __divmod__ = __pow__ = __lshift__ = __rshift__ = __or__ = __xor__ = __ror__ = __ior__ = __rand__ = __iand__ = __rxor__ = __ixor__ = __invert__ = __and__
import sys
import nullbox
except ModuleNotFoundError:
from . import nullbox
for key, value in sys.modules.items():
if "nullbox" in key:
r = key
raise ValueError("Nullbox Module not found")
#r is the actual name of the calfbox parent modul. We cannot assume it to be "calfbox".
calfboxModuleName = r[:-len(".nullbox")] #remove suffix
sys.modules[calfboxModuleName] = sys.modules[r] #e.g. sys.modules["calfbox"] is now nullbox
#Hack 'from prefix.calfbox import cbox'
importlib.import_module(calfboxModuleName) #Imported once here, all modules will import this variant later.
#import calfbox
cbox = NullCalfbox("fake cbox null client")
#Hack direct call 'import cbox'
sys.modules["cbox"] = cbox
import cbox #Imported once here, all modules will import this variant later.