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https://github.com/onyx-and-iris/obsws-python.git
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064a4aa11d
development dependencies added to setup.py fix error in __init__ kind parameter for get_input_list in reqclient now optional. request tests create/destroy test scenes on setup/teardown. license, isort, black badges added to readme.
54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
from typing import Callable, Iterable, Union
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from .util import as_dataclass, to_camel_case, to_snake_case
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class Callback:
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"""Adds support for callbacks"""
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def __init__(self):
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"""list of current callbacks"""
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self._callbacks = list()
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def get(self) -> list:
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"""returns a list of registered events"""
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return [to_camel_case(fn.__name__[2:]) for fn in self._callbacks]
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def trigger(self, event, data):
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"""trigger callback on event"""
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for fn in self._callbacks:
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if fn.__name__ == f"on_{to_snake_case(event)}":
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fn(as_dataclass(event, data))
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def register(self, fns: Union[Iterable, Callable]):
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"""registers callback functions"""
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try:
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iterator = iter(fns)
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for fn in iterator:
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if fn not in self._callbacks:
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self._callbacks.append(fn)
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except TypeError as e:
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if fns not in self._callbacks:
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self._callbacks.append(fns)
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def deregister(self, fns: Union[Iterable, Callable]):
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"""deregisters callback functions"""
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try:
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iterator = iter(fns)
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for fn in iterator:
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if fn in self._callbacks:
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self._callbacks.remove(fn)
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except TypeError as e:
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if fns in self._callbacks:
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self._callbacks.remove(fns)
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def clear(self):
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"""clears the _callbacks list"""
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self._callbacks.clear()
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