mirror of
https://github.com/sezanzeb/input-remapper
synced 2024-11-08 07:10:36 +00:00
89 lines
2.9 KiB
Python
89 lines
2.9 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# input-remapper - GUI for device specific keyboard mappings
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# Copyright (C) 2022 sezanzeb <proxima@sezanzeb.de>
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#
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# This file is part of input-remapper.
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#
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# input-remapper 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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# input-remapper 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 input-remapper. If not, see <https://www.gnu.org/licenses/>.
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"""Reading events from fixtures, making fixtures act like they are sending events."""
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from __future__ import annotations
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import multiprocessing
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from multiprocessing.connection import Connection
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from typing import Dict, Tuple
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from tests.lib.fixtures import Fixture
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from tests.lib.logger import logger
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uinput_write_history = []
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# for tests that makes the injector create its processes
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uinput_write_history_pipe = multiprocessing.Pipe()
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pending_events: Dict[Fixture, Tuple[Connection, Connection]] = {}
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def read_write_history_pipe():
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"""Convert the write history from the pipe to some easier to manage list."""
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history = []
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while uinput_write_history_pipe[0].poll():
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event = uinput_write_history_pipe[0].recv()
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history.append((event.type, event.code, event.value))
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return history
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def setup_pipe(fixture: Fixture):
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"""Create a pipe that can be used to send events to the reader-service,
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which in turn will be sent to the reader-client
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"""
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if pending_events.get(fixture) is None:
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pending_events[fixture] = multiprocessing.Pipe()
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def get_events():
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"""Get all events written by the injector."""
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return uinput_write_history
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def push_event(fixture: Fixture, event, force: bool = False):
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"""Make a device act like it is reading events from evdev.
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push_event is like hitting a key on a keyboard for stuff that reads from
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evdev.InputDevice (which is patched in test.py to work that way)
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Parameters
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----------
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fixture
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For example 'Foo Device'
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event
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The InputEvent to send
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force
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don't check if the event is in fixture.capabilities
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"""
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setup_pipe(fixture)
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if not force and (
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not fixture.capabilities.get(event.type)
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or event.code not in fixture.capabilities[event.type]
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):
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raise AssertionError(f"Fixture {fixture.path} cannot send {event}")
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logger.info("Simulating %s for %s", event, fixture.path)
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pending_events[fixture][0].send(event)
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def push_events(fixture: Fixture, events, force=False):
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"""Push multiple events."""
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for event in events:
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push_event(fixture, event, force)
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