Python Application.file_event_hook方法代码示例

# 需要导入模块: from calibre.gui2 import Application [as 别名]
# 或者: from calibre.gui2.Application import file_event_hook [as 别名]
def _run(args, notify=None):
    # Ensure we can continue to function if GUI is closed
    os.environ.pop("CALIBRE_WORKER_TEMP_DIR", None)
    reset_base_dir()

    if iswindows:
        # Ensure that all ebook editor instances are grouped together in the task
        # bar. This prevents them from being grouped with viewer process when
        # launched from within calibre, as both use calibre-parallel.exe
        import ctypes

        try:
            ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID("com.calibre-ebook.edit-book")
        except:
            pass  # Only available on windows 7 and newer

    # The following two lines are needed to prevent circular imports causing
    # errors during initialization of plugins that use the polish container
    # infrastructure.
    importlib.import_module("calibre.customize.ui")
    from calibre.gui2.tweak_book import tprefs
    from calibre.gui2.tweak_book.ui import Main

    parser = option_parser()
    opts, args = parser.parse_args(args)
    decouple("edit-book-"), set_gui_prefs(tprefs)
    override = "calibre-edit-book" if islinux else None
    app = Application(args, override_program_name=override, color_prefs=tprefs)
    app.file_event_hook = EventAccumulator()
    app.load_builtin_fonts()
    app.setWindowIcon(QIcon(I("tweak.png")))
    Application.setOrganizationName(ORG_NAME)
    Application.setApplicationName(APP_UID)
    main = Main(opts, notify=notify)
    main.set_exception_handler()
    main.show()
    app.shutdown_signal_received.connect(main.boss.quit)
    if len(args) > 1:
        main.boss.open_book(args[1], edit_file=args[2:], clear_notify_data=False)
    else:
        for path in reversed(app.file_event_hook.events):
            main.boss.open_book(path)
            break
        app.file_event_hook = main.boss.open_book
    app.exec_()
    # Ensure that the parse worker has quit so that temp files can be deleted
    # on windows
    st = time.time()
    from calibre.gui2.tweak_book.preview import parse_worker

    while parse_worker.is_alive() and time.time() - st < 120:
        time.sleep(0.1)

# 需要导入模块: from calibre.gui2 import Application [as 别名]
# 或者: from calibre.gui2.Application import file_event_hook [as 别名]
def init_qt(args):
    parser = option_parser()
    opts, args = parser.parse_args(args)
    find_portable_library()
    if opts.with_library is not None:
        libpath = os.path.expanduser(opts.with_library)
        if not os.path.exists(libpath):
            os.makedirs(libpath)
        if os.path.isdir(libpath):
            prefs.set('library_path', os.path.abspath(libpath))
            prints('Using library at', prefs['library_path'])
    override = 'calibre-gui' if islinux else None
    app = Application(args, override_program_name=override)
    app.file_event_hook = EventAccumulator()
    try:
        is_x11 = app.platformName() == 'xcb'
    except Exception:
        import traceback
        traceback.print_exc()
        is_x11 = False
    # Ancient broken VNC servers cannot handle icons of size greater than 256
    # https://www.mobileread.com/forums/showthread.php?t=278447
    ic = 'lt.png' if is_x11 else 'library.png'
    app.setWindowIcon(QIcon(I(ic, allow_user_override=False)))
    return app, opts, args

# 需要导入模块: from calibre.gui2 import Application [as 别名]
# 或者: from calibre.gui2.Application import file_event_hook [as 别名]
def init_qt(args):
    parser = option_parser()
    opts, args = parser.parse_args(args)
    find_portable_library()
    if opts.with_library is not None:
        libpath = os.path.expanduser(opts.with_library)
        if not os.path.exists(libpath):
            os.makedirs(libpath)
        if os.path.isdir(libpath):
            prefs.set('library_path', os.path.abspath(libpath))
            prints('Using library at', prefs['library_path'])
    QCoreApplication.setOrganizationName(ORG_NAME)
    QCoreApplication.setApplicationName(APP_UID)
    override = 'calibre-gui' if islinux else None
    app = Application(args, override_program_name=override)
    app.file_event_hook = EventAccumulator()
    app.setWindowIcon(QIcon(I('lt.png')))
    return app, opts, args

# 需要导入模块: from calibre.gui2 import Application [as 别名]
# 或者: from calibre.gui2.Application import file_event_hook [as 别名]
def main(args=sys.argv):
    # Ensure viewer can continue to function if GUI is closed
    os.environ.pop('CALIBRE_WORKER_TEMP_DIR', None)
    reset_base_dir()

    parser = option_parser()
    opts, args = parser.parse_args(args)
    open_at = float(opts.open_at.replace(',', '.')) if opts.open_at else None
    listener = None
    override = 'calibre-ebook-viewer' if islinux else None
    acc = EventAccumulator()
    app = Application(args, override_program_name=override, color_prefs=vprefs)
    app.file_event_hook = acc
    app.load_builtin_fonts()
    app.setWindowIcon(QIcon(I('viewer.png')))
    QApplication.setOrganizationName(ORG_NAME)
    QApplication.setApplicationName(APP_UID)

    if vprefs['singleinstance']:
        try:
            listener = ensure_single_instance(args, open_at)
        except Exception as e:
            import traceback
            error_dialog(None, _('Failed to start viewer'), as_unicode(e), det_msg=traceback.format_exc(), show=True)
            raise SystemExit(1)

    main = EbookViewer(args[1] if len(args) > 1 else None,
            debug_javascript=opts.debug_javascript, open_at=open_at, continue_reading=opts.continue_reading,
                       start_in_fullscreen=opts.full_screen, listener=listener, file_events=acc)
    app.installEventFilter(main)
    # This is needed for paged mode. Without it, the first document that is
    # loaded will have extra blank space at the bottom, as
    # turn_off_internal_scrollbars does not take effect for the first
    # rendered document
    main.view.load_path(P('viewer/blank.html', allow_user_override=False))
    main.set_exception_handler()
    main.show()
    if opts.raise_window:
        main.raise_()
    with main:
        return app.exec_()
    return 0