Esempio n. 1
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async def media_app(request, nursery, tmp_path):
    ts0 = time.perf_counter()
    from kivy.core.window import Window
    from kivy.context import Context
    from kivy.clock import ClockBase
    from kivy.base import stopTouchApp
    from kivy.logger import LoggerHistory

    context = Context(init=False)
    context['Clock'] = ClockBase(async_lib='trio')
    context.push()

    Window.create_window()
    Window.register()
    Window.initialized = True
    Window.canvas.clear()

    from more_kivy_app.app import report_exception_in_app
    import cpl_media
    cpl_media.error_callback = report_exception_in_app

    app = DemoTestApp(yaml_config_path=str(tmp_path / 'config.yaml'),
                      ini_file=str(tmp_path / 'config.ini'))

    try:
        app.set_async_lib('trio')
        nursery.start_soon(app.async_run)

        ts = time.perf_counter()
        while not app.app_has_started:
            await trio.sleep(.1)
            if time.perf_counter() - ts >= 10:
                raise TimeoutError()

        await app.wait_clock_frames(5)

        ts1 = time.perf_counter()
        yield app
        ts2 = time.perf_counter()

        stopTouchApp()

        ts = time.perf_counter()
        while not app.app_has_stopped:
            await trio.sleep(.1)
            if time.perf_counter() - ts >= 10:
                raise TimeoutError()
    finally:
        stopTouchApp()
        app.clean_up()
        for child in Window.children[:]:
            Window.remove_widget(child)

        context.pop()
        del context
        LoggerHistory.clear_history()

    ts3 = time.perf_counter()
    print(ts1 - ts0, ts2 - ts1, ts3 - ts2)
Esempio n. 2
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    async def __aenter__(self):
        self.set_kivy_config()

        from kivy.core.window import Window
        from kivy.context import Context
        from kivy.clock import ClockBase
        from kivy.factory import FactoryBase, Factory
        from kivy.lang.builder import BuilderBase, Builder

        kivy_eventloop = self.async_lib
        if kivy_eventloop == 'asyncio':
            try:
                import pytest_asyncio
            except ImportError as e:
                raise TypeError(
                    'KIVY_EVENTLOOP is asyncio but "pytest_asyncio" is not '
                    'installed') from e
            async_lib = 'asyncio'
        elif kivy_eventloop == 'trio':
            try:
                import pytest_trio
            except ImportError as e:
                raise TypeError(
                    'KIVY_EVENTLOOP is trio but "pytest_trio" is not '
                    'installed') from e
            async_lib = 'trio'
        else:
            raise TypeError(f'unknown event loop {kivy_eventloop}')

        self._context = context = Context(init=False)
        context['Clock'] = ClockBase(async_lib=async_lib)
        # have to make sure all global kv files are loaded before this because
        # globally read kv files (e.g. on module import) will not be loaded
        # again in the new builder, except if manually loaded, which we don't
        # context['Factory'] = FactoryBase.create_from(Factory)
        # context['Builder'] = BuilderBase.create_from(Builder)
        context.push()

        Window.create_window()
        Window.register()
        Window.initialized = True
        Window.canvas.clear()
        Window.size = self.width, self.height

        from kivy.clock import Clock
        Clock._max_fps = 0
        Clock.init_async_lib(async_lib)
        return self
Esempio n. 3
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def kivy_clock():
    from kivy.context import Context
    from kivy.clock import ClockBase

    context = Context(init=False)
    context['Clock'] = ClockBase()
    context.push()

    from kivy.clock import Clock
    Clock._max_fps = 0

    try:
        Clock.start_clock()
        yield Clock
        Clock.stop_clock()
    finally:
        context.pop()
Esempio n. 4
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    def __init__(self, clock: ClockBase,
                 func: Union[AsyncFunc, Callable[..., Generator[MarkedFunc,
                                                                None, Any]]],
                 gen: Generator[MarkedFunc, None, Any], ret_func: MarkedFunc):
        super().__init__()

        self._clock = clock
        self._orig_func = func
        self._marked_func_name = str(ret_func[0])

        # if kivy stops before we finished processing gen, cancel it
        self._gen = gen
        event = self._clock_event = clock.create_lifecycle_aware_trigger(
            _callback_raise_exception,
            self._cancel,
            timeout=math.inf,
            release_ref=False)

        try:
            event()

            try:
                entry_token = trio_entry.get(None)
                # trio_thread defaults to None
                thread_token = trio_thread.get()
                if entry_token is None:
                    entry_token = current_trio_token()
            except RuntimeError as e:
                raise LookupError(
                    "Cannot enter because no running trio event loop found. "
                    "Have you forgotten to initialize trio_entry with your "
                    "event loop token?") from e

            if thread_token is entry_token:
                trio.lowlevel.spawn_system_task(self._async_callback,
                                                *ret_func)
            else:
                entry_token.run_sync_soon(self._spawn_task, ret_func)
        except BaseException as e:
            self._cancel(e=e)
Esempio n. 5
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def kivy_benchmark(benchmark, kivy_clock):
    from kivy.core.window import Window
    from kivy.cache import Cache
    from kivy.utils import platform
    import kivy
    from kivy.core.gl import glGetString, GL_VENDOR, GL_RENDERER, GL_VERSION
    from kivy.context import Context
    from kivy.clock import ClockBase
    from kivy.factory import FactoryBase, Factory
    from kivy.lang.builder import BuilderBase, Builder

    context = Context(init=False)
    context['Clock'] = ClockBase()
    context['Factory'] = FactoryBase.create_from(Factory)
    context['Builder'] = BuilderBase.create_from(Builder)

    for category in list(Cache._objects.keys()):
        if category not in Cache._categories:
            continue

        for key in list(Cache._objects[category].keys()):
            Cache.remove(category, key)

    gc.collect()

    benchmark.extra_info['platform'] = str(sys.platform)
    benchmark.extra_info['python_version'] = str(sys.version)
    benchmark.extra_info['python_api'] = str(sys.api_version)
    benchmark.extra_info['kivy_platform'] = platform
    benchmark.extra_info['kivy_version'] = kivy.__version__
    benchmark.extra_info['gl_vendor'] = str(glGetString(GL_VENDOR))
    benchmark.extra_info['gl_renderer'] = str(glGetString(GL_RENDERER))
    benchmark.extra_info['gl_version'] = str(glGetString(GL_VERSION))

    context.push()
    try:
        yield benchmark
    finally:
        context.pop()
Esempio n. 6
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async def kivy_app(request, nursery):
    gc.collect()
    if apps:
        last_app, last_request = apps.pop()
        assert last_app() is None, \
            'Memory leak: failed to release app for test ' + repr(last_request)

    from os import environ
    environ['KIVY_USE_DEFAULTCONFIG'] = '1'

    # force window size + remove all inputs
    from kivy.config import Config
    Config.set('graphics', 'width', '320')
    Config.set('graphics', 'height', '240')
    for items in Config.items('input'):
        Config.remove_option('input', items[0])

    from kivy.core.window import Window
    from kivy.context import Context
    from kivy.clock import ClockBase
    from kivy.factory import FactoryBase, Factory
    from kivy.app import App
    from kivy.lang.builder import BuilderBase, Builder
    from kivy.base import stopTouchApp
    from kivy import kivy_data_dir
    from kivy.logger import LoggerHistory

    kivy_eventloop = environ.get('KIVY_EVENTLOOP', 'asyncio')
    if kivy_eventloop == 'asyncio':
        pytest.importorskip(
            'pytest_asyncio',
            reason='KIVY_EVENTLOOP == "asyncio" but '
                   '"pytest_asyncio" is not installed')
        async_lib = 'asyncio'
    elif kivy_eventloop == 'trio':
        pytest.importorskip(
            'pytest_trio',
            reason='KIVY_EVENTLOOP == "trio" but '
                   '"pytest_trio" is not installed')
        async_lib = 'trio'
    else:
        pytest.skip(
            'KIVY_EVENTLOOP must be set to either of "asyncio" or '
            '"trio" to run async tests')

    context = Context(init=False)
    context['Clock'] = ClockBase(async_lib=async_lib)

    # have to make sure all global kv files are loaded before this because
    # globally read kv files (e.g. on module import) will not be loaded again
    # in the new builder, except if manually loaded, which we don't do
    context['Factory'] = FactoryBase.create_from(Factory)
    context['Builder'] = BuilderBase.create_from(Builder)
    context.push()

    Window.create_window()
    Window.register()
    Window.initialized = True
    Window.canvas.clear()

    app = request.param[0]()
    app.set_async_lib(async_lib)

    if async_lib == 'asyncio':
        import asyncio
        loop = asyncio.get_event_loop()
        loop.create_task(app.async_run())
    else:
        nursery.start_soon(app.async_run)
    from kivy.clock import Clock
    Clock._max_fps = 0

    ts = time.perf_counter()
    while not app.app_has_started:
        await app.async_sleep(.1)
        if time.perf_counter() - ts >= 10:
            raise TimeoutError()

    await app.wait_clock_frames(5)

    yield app

    stopTouchApp()

    ts = time.perf_counter()
    while not app.app_has_stopped:
        await app.async_sleep(.1)
        if time.perf_counter() - ts >= 10:
            raise TimeoutError()

    for child in Window.children[:]:
        Window.remove_widget(child)
    context.pop()

    # release all the resources
    del context
    LoggerHistory.clear_history()
    apps.append((weakref.ref(app), request))
    del app
    gc.collect()
Esempio n. 7
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async def ceed_app(request, nursery, temp_file, tmp_path, tmp_path_factory,
                   app_list):

    params = request.param if hasattr(request,
                                      'param') and request.param else {}
    ts0 = time.perf_counter()
    from kivy.core.window import Window
    from kivy.context import Context
    from kivy.clock import ClockBase
    from kivy.animation import Animation
    from kivy.base import stopTouchApp
    from kivy.factory import FactoryBase, Factory
    from kivy.lang.builder import BuilderBase, Builder
    from kivy.logger import LoggerHistory

    context = Context(init=False)
    context['Clock'] = ClockBase(async_lib='trio')
    # context['Factory'] = FactoryBase.create_from(Factory)
    # have to make sure all ceed files are imported before this because
    # globally read kv files will not be loaded again in the new builder,
    # except if manually loaded, which we don't do
    # context['Builder'] = BuilderBase.create_from(Builder)
    context.push()

    Window.create_window()
    Window.register()
    Window.initialized = True
    Window.canvas.clear()

    from kivy.clock import Clock
    Clock._max_fps = 0

    import ceed.view.controller
    ceed.view.controller.ignore_vpixx_import_error = True

    if params.get('persist_config'):
        base = str(tmp_path_factory.getbasetemp() / params['persist_config'])
        app = CeedTestApp(json_config_path=base + 'config.yaml',
                          ini_file=base + 'config.ini',
                          open_player_thread=False)
    else:
        app = CeedTestApp(json_config_path=temp_file('config.yaml'),
                          ini_file=temp_file('config.ini'),
                          open_player_thread=False)
    app.ceed_data.root_path = str(tmp_path)

    try:
        app.set_async_lib('trio')
        nursery.start_soon(app.async_run)

        ts = time.perf_counter()
        while not app.app_has_started:
            await trio.sleep(.1)
            if time.perf_counter() - ts >= 120:
                raise TimeoutError()

        await app.wait_clock_frames(5)

        ts1 = time.perf_counter()
        yield weakref.proxy(app)
        ts2 = time.perf_counter()

        stopTouchApp()

        ts = time.perf_counter()
        while not app.app_has_stopped:
            await trio.sleep(.1)
            if time.perf_counter() - ts >= 40:
                raise TimeoutError()

    finally:
        stopTouchApp()
        for anim in list(Animation._instances):
            anim._unregister()
        app.clean_up()
        for child in Window.children[:]:
            Window.remove_widget(child)

        context.pop()
        del context
        LoggerHistory.clear_history()

    app_list.append((weakref.ref(app), weakref.ref(request)))

    ts3 = time.perf_counter()
    print(ts1 - ts0, ts2 - ts1, ts3 - ts2)
Esempio n. 8
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cone = vtkConeSource()
mapper = vtkPolyDataMapper()
actor = vtkActor()
ren = vtkRenderer()
renWin = vtkRenderWindow()

mapper.SetInput(cone.GetOutput())
actor.SetMapper(mapper)
ren.AddActor(actor)
ren.SetBackground(0.0, 1.0, 0.0)
ren.GetActiveCamera().Dolly(.3)
ren.GetActiveCamera().Azimuth(0.5)
renWin.AddRenderer(ren)
renWin.SetSize(512, 512)

VTKClock = ClockBase()


class VTKWidget(Widget):
    def __init__(self, **kwargs):
        super(VTKWidget, self).__init__(**kwargs)
        self.setupVTK()

    def updateVTK(self, *largs):
        self.fbo.ask_update()
        self.canvas.ask_update()

    def setupVTK(self):
        Clock.schedule_interval(self.updateVTK, 1 / 1.)
        with self.canvas:
            self.fbo = Fbo(size=(512, 512),
Esempio n. 9
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async def kivy_app(request, nursery):
    from os import environ
    environ['KIVY_USE_DEFAULTCONFIG'] = '1'

    # force window size + remove all inputs
    from kivy.config import Config
    Config.set('graphics', 'width', '320')
    Config.set('graphics', 'height', '240')
    for items in Config.items('input'):
        Config.remove_option('input', items[0])

    from kivy.core.window import Window
    from kivy.context import Context
    from kivy.clock import ClockBase
    from kivy.lang.builder import BuilderBase, Builder
    from kivy.base import stopTouchApp
    from kivy import kivy_data_dir

    kivy_eventloop = environ.get('KIVY_EVENTLOOP', 'asyncio')
    if kivy_eventloop == 'asyncio':
        pytest.importorskip('pytest_asyncio',
                            reason='KIVY_EVENTLOOP == "asyncio" but '
                            '"pytest_asyncio" is not installed')
        async_lib = 'asyncio'
    elif kivy_eventloop == 'trio':
        pytest.importorskip('pytest_trio',
                            reason='KIVY_EVENTLOOP == "trio" but '
                            '"pytest_trio" is not installed')
        async_lib = 'trio'
    else:
        pytest.skip(
            reason='KIVY_EVENTLOOP must be set to either of "asyncio" or '
            '"trio" to run async tests')

    context = Context(init=False)
    context['Clock'] = ClockBase(async_lib=async_lib)
    # context['Builder'] = BuilderBase()
    context.push()
    # Builder.load_file(
    #     os.path.join(kivy_data_dir, 'style.kv'), rulesonly=True)

    Window.create_window()
    Window.register()
    Window.initialized = True
    Window.canvas.clear()

    app = request.param[0]()

    if async_lib == 'asyncio':
        import asyncio
        loop = asyncio.get_event_loop()
        loop.create_task(app.async_run())
    else:
        nursery.start_soon(app.async_run)

    ts = time.perf_counter()
    while not app.app_has_started:
        await async_sleep(.1)
        if time.perf_counter() - ts >= 10:
            raise TimeoutError()

    await app.wait_clock_frames(5)

    yield app

    stopTouchApp()

    ts = time.perf_counter()
    while not app.app_has_stopped:
        await async_sleep(.1)
        if time.perf_counter() - ts >= 10:
            raise TimeoutError()

    for child in Window.children[:]:
        Window.remove_widget(child)
    context.pop()
    gc.collect()