Beispiel #1
0
def _run(argv: Optional[list[str]] = None,
         exec: bool = True) -> Optional[AnkiApp]:
    """Start AnkiQt application or reuse an existing instance if one exists.

    If the function is invoked with exec=False, the AnkiQt will not enter
    the main event loop - instead the application object will be returned.

    The 'exec' and 'argv' arguments will be useful for testing purposes.

    If no 'argv' is supplied then 'sys.argv' will be used.
    """
    global mw
    global profiler

    if argv is None:
        argv = sys.argv

    # parse args
    opts, args = parseArgs(argv)

    if opts.version:
        print(f"Anki {appVersion}")
        return None
    elif opts.syncserver:
        from anki.syncserver import serve

        serve()
        return None

    if PROFILE_CODE:

        profiler = cProfile.Profile()
        profiler.enable()

    if (getattr(sys, "frozen", False)
            and os.getenv("QT_QPA_PLATFORM") == "wayland"
            and not os.getenv("ANKI_WAYLAND")):
        # users need to opt in to wayland support, given the issues it has
        print("Wayland support is disabled by default due to bugs.")
        print("You can force it on with an env var: ANKI_WAYLAND=1")
        os.environ["QT_QPA_PLATFORM"] = "xcb"

    # default to specified/system language before getting user's preference so that we can localize some more strings
    lang = anki.lang.get_def_lang(opts.lang)
    anki.lang.set_lang(lang[1])

    # profile manager
    pm = None
    try:
        pm = ProfileManager(opts.base)
        pmLoadResult = pm.setupMeta()
    except:
        # will handle below
        traceback.print_exc()
        pm = None

    if pm:
        # gl workarounds
        setupGL(pm)
        # apply user-provided scale factor
        os.environ["QT_SCALE_FACTOR"] = str(pm.uiScale())

    # opt in to full hidpi support?
    if not os.environ.get("ANKI_NOHIGHDPI") and qtmajor == 5:
        QCoreApplication.setAttribute(
            Qt.ApplicationAttribute.AA_EnableHighDpiScaling)  # type: ignore
        QCoreApplication.setAttribute(
            Qt.ApplicationAttribute.AA_UseHighDpiPixmaps)  # type: ignore
        os.environ["QT_ENABLE_HIGHDPI_SCALING"] = "1"
        os.environ["QT_SCALE_FACTOR_ROUNDING_POLICY"] = "PassThrough"

    # Opt into software rendering. Useful for buggy systems.
    if os.environ.get("ANKI_SOFTWAREOPENGL"):
        QCoreApplication.setAttribute(
            Qt.ApplicationAttribute.AA_UseSoftwareOpenGL)

    if (isWin and qtmajor == 5
            and (qtminor == 14 or (qtminor == 15 and qtpoint == 0))
            and "QT_QPA_PLATFORM" not in os.environ):
        os.environ["QT_QPA_PLATFORM"] = "windows:altgr"

    # create the app
    QCoreApplication.setApplicationName("Anki")
    QGuiApplication.setDesktopFileName("anki.desktop")
    app = AnkiApp(argv)
    if app.secondInstance():
        # we've signaled the primary instance, so we should close
        return None

    if not pm:
        QMessageBox.critical(
            None,
            tr.qt_misc_error(),
            tr.profiles_could_not_create_data_folder(),
        )
        return None

    # disable icons on mac; this must be done before window created
    if isMac:
        app.setAttribute(Qt.ApplicationAttribute.AA_DontShowIconsInMenus)

    # disable help button in title bar on qt versions that support it
    if isWin and qtmajor == 5 and qtminor >= 10:
        QApplication.setAttribute(
            QApplication.Attribute.
            AA_DisableWindowContextHelpButton  # type: ignore
        )

    # proxy configured?
    from urllib.request import getproxies, proxy_bypass

    disable_proxies = False
    try:
        if "http" in getproxies():
            # if it's not set up to bypass localhost, we'll
            # need to disable proxies in the webviews
            if not proxy_bypass("127.0.0.1"):
                disable_proxies = True
    except UnicodeDecodeError:
        # proxy_bypass can't handle unicode in hostnames; assume we need
        # to disable proxies
        disable_proxies = True

    if disable_proxies:
        print("webview proxy use disabled")
        proxy = QNetworkProxy()
        proxy.setType(QNetworkProxy.ProxyType.NoProxy)
        QNetworkProxy.setApplicationProxy(proxy)

    # we must have a usable temp dir
    try:
        tempfile.gettempdir()
    except:
        QMessageBox.critical(
            None,
            tr.qt_misc_error(),
            tr.qt_misc_no_temp_folder(),
        )
        return None

    # make image resources available
    from aqt.utils import aqt_data_folder

    QDir.addSearchPath("icons", os.path.join(aqt_data_folder(), "qt", "icons"))

    if pmLoadResult.firstTime:
        pm.setDefaultLang(lang[0])

    if pmLoadResult.loadError:
        QMessageBox.warning(
            None,
            tr.profiles_prefs_corrupt_title(),
            tr.profiles_prefs_file_is_corrupt(),
        )

    if opts.profile:
        pm.openProfile(opts.profile)

    # i18n & backend
    backend = setupLangAndBackend(pm, app, opts.lang, pmLoadResult.firstTime)

    driver = pm.video_driver()
    if isLin and driver == VideoDriver.OpenGL:
        from aqt.utils import gfxDriverIsBroken

        if gfxDriverIsBroken():
            pm.set_video_driver(driver.next())
            QMessageBox.critical(
                None,
                tr.qt_misc_error(),
                tr.qt_misc_incompatible_video_driver(),
            )
            sys.exit(1)

    # load the main window
    import aqt.main

    mw = aqt.main.AnkiQt(app, pm, backend, opts, args)
    if exec:
        app.exec()
    else:
        return app

    if PROFILE_CODE:
        write_profile_results()

    return None
Beispiel #2
0
def _run(argv=None, exec=True) -> Optional[AnkiApp]:
    """Start AnkiQt application or reuse an existing instance if one exists.

    If the function is invoked with exec=False, the AnkiQt will not enter
    the main event loop - instead the application object will be returned.

    The 'exec' and 'argv' arguments will be useful for testing purposes.

    If no 'argv' is supplied then 'sys.argv' will be used.
    """
    global mw
    global profiler

    if argv is None:
        argv = sys.argv

    # parse args
    opts, args = parseArgs(argv)

    if opts.version:
        print(f"Anki {appVersion}")
        return None
    elif opts.syncserver:
        from anki.syncserver import serve

        serve()
        return None

    if PROFILE_CODE:

        profiler = cProfile.Profile()
        profiler.enable()

    # default to specified/system language before getting user's preference so that we can localize some more strings
    lang = anki.lang.get_def_lang(opts.lang)
    anki.lang.set_lang(lang[1], locale_dir())

    # profile manager
    pm = None
    try:
        pm = ProfileManager(opts.base)
        pmLoadResult = pm.setupMeta()
    except AnkiRestart as error:
        if error.exitcode:
            sys.exit(error.exitcode)
        return None
    except:
        # will handle below
        traceback.print_exc()
        pm = None

    if pm:
        # gl workarounds
        setupGL(pm)
        # apply user-provided scale factor
        os.environ["QT_SCALE_FACTOR"] = str(pm.uiScale())

    # opt in to full hidpi support?
    if not os.environ.get("ANKI_NOHIGHDPI"):
        QCoreApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
        os.environ["QT_ENABLE_HIGHDPI_SCALING"] = "1"
        os.environ["QT_SCALE_FACTOR_ROUNDING_POLICY"] = "PassThrough"

    # Opt into software rendering. Useful for buggy systems.
    if os.environ.get("ANKI_SOFTWAREOPENGL"):
        QCoreApplication.setAttribute(Qt.AA_UseSoftwareOpenGL)

    if (
        isWin
        and (qtminor == 14 or (qtminor == 15 and qtpoint == 0))
        and "QT_QPA_PLATFORM" not in os.environ
    ):
        os.environ["QT_QPA_PLATFORM"] = "windows:altgr"

    # create the app
    QCoreApplication.setApplicationName("Anki")
    QGuiApplication.setDesktopFileName("anki.desktop")
    app = AnkiApp(argv)
    if app.secondInstance():
        # we've signaled the primary instance, so we should close
        return None

    if not pm:
        QMessageBox.critical(
            None,
            tr(TR.QT_MISC_ERROR),
            tr(TR.PROFILES_COULD_NOT_CREATE_DATA_FOLDER),
        )
        return None

    # disable icons on mac; this must be done before window created
    if isMac:
        app.setAttribute(Qt.AA_DontShowIconsInMenus)

    # disable help button in title bar on qt versions that support it
    if isWin and qtminor >= 10:
        QApplication.setAttribute(Qt.AA_DisableWindowContextHelpButton)

    # proxy configured?
    from urllib.request import getproxies, proxy_bypass

    disable_proxies = False
    try:
        if "http" in getproxies():
            # if it's not set up to bypass localhost, we'll
            # need to disable proxies in the webviews
            if not proxy_bypass("127.0.0.1"):
                disable_proxies = True
    except UnicodeDecodeError:
        # proxy_bypass can't handle unicode in hostnames; assume we need
        # to disable proxies
        disable_proxies = True

    if disable_proxies:
        print("webview proxy use disabled")
        proxy = QNetworkProxy()
        proxy.setType(QNetworkProxy.NoProxy)
        QNetworkProxy.setApplicationProxy(proxy)

    # we must have a usable temp dir
    try:
        tempfile.gettempdir()
    except:
        QMessageBox.critical(
            None,
            tr(TR.QT_MISC_ERROR),
            tr(TR.QT_MISC_NO_TEMP_FOLDER),
        )
        return None

    if pmLoadResult.firstTime:
        pm.setDefaultLang(lang[0])

    if pmLoadResult.loadError:
        QMessageBox.warning(
            None,
            tr(TR.PROFILES_PREFS_CORRUPT_TITLE),
            tr(TR.PROFILES_PREFS_FILE_IS_CORRUPT),
        )

    if opts.profile:
        pm.openProfile(opts.profile)

    # i18n & backend
    backend = setupLangAndBackend(pm, app, opts.lang, pmLoadResult.firstTime)

    driver = pm.video_driver()
    if isLin and driver == VideoDriver.OpenGL:
        from aqt.utils import gfxDriverIsBroken

        if gfxDriverIsBroken():
            pm.set_video_driver(driver.next())
            QMessageBox.critical(
                None,
                tr(TR.QT_MISC_ERROR),
                tr(TR.QT_MISC_INCOMPATIBLE_VIDEO_DRIVER),
            )
            sys.exit(1)

    # load the main window
    import aqt.main

    mw = aqt.main.AnkiQt(app, pm, backend, opts, args)
    if exec:
        app.exec()
    else:
        return app

    if PROFILE_CODE:
        write_profile_results()

    return None