voicemeeter-api-python/voicemeeterlib/util.py
onyx-and-iris e979595a09 refactor levels.
only compute strip/bus comp tuples if ldirty.

add comp generator function to util.

added some docstrings

patch bump
2022-07-09 11:06:48 +01:00

64 lines
1.6 KiB
Python

import functools
from typing import Iterator
def polling(func):
"""
Offers memoization for a set into get operation.
If sync clear dirty parameters before fetching new value.
Useful for loop getting if not running callbacks
"""
@functools.wraps(func)
def wrapper(*args, **kwargs):
get = func.__name__ == "get"
mb_get = func.__name__ == "get_buttonstatus"
remote, *remaining = args
if get:
param, *rem = remaining
elif mb_get:
id, mode, *rem = remaining
param = f"mb_{id}_{mode}"
if param in remote.cache:
return remote.cache.pop(param)
if remote.sync:
remote.clear_dirty()
return func(*args, **kwargs)
return wrapper
def script(func):
"""Convert dictionary to script"""
def wrapper(*args):
remote, script = args
if isinstance(script, dict):
params = ""
for key, val in script.items():
obj, m2, *rem = key.split("-")
index = int(m2) if m2.isnumeric() else int(*rem)
params += ";".join(
f"{obj}{f'.{m2}stream' if not m2.isnumeric() else ''}[{index}].{k}={int(v) if isinstance(v, bool) else v}"
for k, v in val.items()
)
params += ";"
script = params
return func(remote, script)
return wrapper
def comp(t0: tuple, t1: tuple) -> Iterator[bool]:
"""
Generator function, accepts two tuples.
Evaluates equality of each member in both tuples.
"""
for a, b in zip(t0, t1):
yield a == b