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Guard against double init hooks

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This commit is contained in:
Florian Bruhin 2018-12-10 15:24:15 +01:00
parent 93a36c8572
commit 6001640a8a
1 changed files with 2 additions and 0 deletions
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2
qutebrowser/api/hook.py
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@ -33,5 +33,7 @@ class init: # noqa: N801,N806 pylint: disable=invalid-name
def __call__(self, func: typing.Callable) -> typing.Callable: def __call__(self, func: typing.Callable) -> typing.Callable:
module = importlib.import_module(func.__module__) module = importlib.import_module(func.__module__)
info = loader.add_module_info(module) info = loader.add_module_info(module)
if info.init_hook is not None:
raise ValueError("init hook is already registered!")
info.init_hook = func info.init_hook = func
return func return func