58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2018 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
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#
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# This file is part of qutebrowser.
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#
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# qutebrowser is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# qutebrowser is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
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"""Hooks for extensions."""
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import importlib
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import typing
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from qutebrowser.extensions import loader
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def _add_module_info(func: typing.Callable) -> loader.ModuleInfo:
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"""Add module info to the given function."""
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module = importlib.import_module(func.__module__)
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return loader.add_module_info(module)
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class init: # noqa: N801,N806 pylint: disable=invalid-name
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"""Decorator to mark a function to run when initializing."""
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def __call__(self, func: typing.Callable) -> typing.Callable:
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info = _add_module_info(func)
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if info.init_hook is not None:
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raise ValueError("init hook is already registered!")
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info.init_hook = func
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return func
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class config_changed:
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"""Decorator to get notified about changed configs."""
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def __init__(self, option_filter: str = None) -> None:
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self._filter = option_filter
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def __call__(self, func: typing.Callable) -> typing.Callable:
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info = _add_module_info(func)
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info.config_changed_hooks.append((self._filter, func))
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return func
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