Sampled Instrument Player with static and monolithic design. All instruments are built-in.
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#! /usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Copyright 2022, Nils Hilbricht, Germany ( https://www.hilbricht.net )
Most of this file is trivial code and does not reach the "Schaffenshöhe" for Urheberrecht.
If it is:
This is practically intended as my Public Domain software.
However, there is no such thing as public domain in Germany.
Therefore:
Released under WTFPL License
This program is free software. It comes without any warranty, to
the extent permitted by applicable law.
You can redistribute it and/or modify it under the
terms of the Do What The Fuck You Want To Public License, Version 2,
as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.
"""
def nothing(*args, **kwargs):
pass
from functools import lru_cache #https://docs.python.org/3.4/library/functools.html#functools.lru_cache
cache_unlimited = lru_cache(maxsize=None)
#use as @cache_unlimited decorator
import itertools
def pairwise(iterable):
"s -> (s0,s1), (s1,s2), (s2, s3), ..."
a, b = itertools.tee(iterable)
next(b, None)
return zip(a, b)
def onlyOne(iterable):
true_found = False
for v in iterable:
if v:
# a True was found!
if true_found:
# found too many True's
return False
else:
# found the first True
true_found = True
# found zero or one True value
return true_found
class EndlessGenerator(object):
"""used to turn a single
parameter into an endless list of paramters.
DO NOT for loop over this object.
It will never stop. Use it with next(instance)"""
def __init__(self, value):
self.value = value
def __iter__(self):
return self
def __next__(self):
return self.value
def flatList(lst):
"""Take a nested list of any depth and make it a flat, plain
list with only one level"""
for elem in lst:
if type(elem) in (list, tuple):
for i in flatList(elem):
yield i
else:
yield elem
def compress(input, inputLowest, inputHighest, outputLowest, outputHighest):
return (input-inputLowest) / (inputHighest-inputLowest) * (outputHighest-outputLowest) + outputLowest
def listToUniqueKeepOrder(seq):
seen = set()
seen_add = seen.add
return [x for x in seq if not (x in seen or seen_add(x))]
def padhexa(self, s:str):
"""Like zfill, but for hex number strings"""
return '0x' + s[2:].zfill(2)
import inspect
from pprint import pprint
def whoCalled():
"""If you want to use this only once, better use breakpoint()"""
pprint (inspect.stack())
print()
def provokecrash():
"""Obviously for testing"""
import ctypes
p = ctypes.pointer(ctypes.c_char.from_address(5))
p[0] = b'x'
def humanReadableFilesize(num, suffix="B"):
for unit in ["", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi"]:
if abs(num) < 1024.0:
return f"{num:3.1f}{unit}{suffix}"
num /= 1024.0
return f"{num:.1f}Yi{suffix}"