obsws-python/obsws_python/callback.py
onyx-and-iris 27fd86efa5 only check for host+port values in init.
only pass auth token if auth enabled

add context manager methods to reqclient.

added logging
2022-10-24 22:42:16 +01:00

54 lines
1.5 KiB
Python

from typing import Callable, Iterable, Union
from .util import as_dataclass, to_camel_case, to_snake_case
class Callback:
"""Adds support for callbacks"""
def __init__(self):
"""list of current callbacks"""
self._callbacks = list()
def get(self) -> list:
"""returns a list of registered events"""
return [to_camel_case(fn.__name__[2:]) for fn in self._callbacks]
def trigger(self, event, data):
"""trigger callback on event"""
for fn in self._callbacks:
if fn.__name__ == f"on_{to_snake_case(event)}":
fn(as_dataclass(event, data))
def register(self, fns: Union[Iterable, Callable]):
"""registers callback functions"""
try:
iterator = iter(fns)
for fn in iterator:
if fn not in self._callbacks:
self._callbacks.append(fn)
except TypeError:
if fns not in self._callbacks:
self._callbacks.append(fns)
def deregister(self, fns: Union[Iterable, Callable]):
"""deregisters callback functions"""
try:
iterator = iter(fns)
for fn in iterator:
if fn in self._callbacks:
self._callbacks.remove(fn)
except TypeError:
if fns in self._callbacks:
self._callbacks.remove(fns)
def clear(self):
"""clears the _callbacks list"""
self._callbacks.clear()