Пример #1
0
def save_plot(data, file_formats, filename=""):
    _LAST_DIR_KEY = "directories/last_graph_directory"
    _LAST_FILTER_KEY = "directories/last_graph_filter"
    settings = QSettings()
    start_dir = settings.value(_LAST_DIR_KEY, filename)
    if not start_dir or \
            (not os.path.exists(start_dir) and
             not os.path.exists(os.path.split(start_dir)[0])):
        start_dir = os.path.expanduser("~")
    last_filter = settings.value(_LAST_FILTER_KEY, "")
    filename, writer, filter = \
        filedialogs.open_filename_dialog_save(start_dir, last_filter, file_formats)
    if not filename:
        return
    try:
        writer.write(filename, data)
    except OSError as e:
        mb = QMessageBox(
            None,
            windowTitle="Error",
            text='Error occurred while saving file "{}": {}'.format(filename, e),
            detailedText=traceback.format_exc(),
            icon=QMessageBox.Critical)
        mb.exec_()
    else:
        settings.setValue(_LAST_DIR_KEY, os.path.split(filename)[0])
        settings.setValue(_LAST_FILTER_KEY, filter)
Пример #2
0
    def test_qsettings_type(self):
        """
        Test if QSettings as exported by qtcompat has the 'type' parameter.
        """
        with tempfile.NamedTemporaryFile("w+b", suffix=".ini",
                                         delete=False) as f:
            settings = QSettings(f.name, QSettings.IniFormat)
            settings.setValue("bar", "foo")

            self.assertEqual(settings.value("bar", type=str), "foo")
            settings.setValue("frob", 4)

            del settings
            settings = QSettings(f.name, QSettings.IniFormat)
            self.assertEqual(settings.value("bar", type=str), "foo")
            self.assertEqual(settings.value("frob", type=int), 4)
Пример #3
0
    def send_statistics(url):
        """Send the statistics to the remote at `url`"""
        import json
        import requests
        settings = QSettings()
        if not settings.value("reporting/send-statistics", False, type=bool):
            log.info("Not sending usage statistics (preferences setting).")
            return
        if not UsageStatistics.is_enabled():
            log.info("Not sending usage statistics (disabled).")
            return

        if settings.contains('reporting/machine-id'):
            machine_id = settings.value('reporting/machine-id')
        else:
            machine_id = str(uuid.uuid4())
            settings.setValue('reporting/machine-id', machine_id)

        is_anaconda = 'Continuum' in sys.version or 'conda' in sys.version

        data = UsageStatistics.load()
        for d in data:
            d["Orange Version"] = d.pop("Application Version", "")
            d["Anaconda"] = is_anaconda
            d["UUID"] = machine_id
        try:
            r = requests.post(url, files={'file': json.dumps(data)})
            if r.status_code != 200:
                log.warning(
                    "Error communicating with server while attempting to send "
                    "usage statistics. Status code " + str(r.status_code))
                return
            # success - wipe statistics file
            log.info("Usage statistics sent.")
            with open(UsageStatistics.filename(), 'w', encoding="utf-8") as f:
                json.dump([], f)
        except (ConnectionError, requests.exceptions.RequestException):
            log.warning(
                "Connection error while attempting to send usage statistics.")
        except Exception:  # pylint: disable=broad-except
            log.warning("Failed to send usage statistics.", exc_info=True)
Пример #4
0
def save_plot(data, file_formats, filename=""):
    _LAST_DIR_KEY = "directories/last_graph_directory"
    _LAST_FILTER_KEY = "directories/last_graph_filter"
    settings = QSettings()
    start_dir = settings.value(_LAST_DIR_KEY, filename)
    if not start_dir or \
            (not os.path.exists(start_dir) and
             not os.path.exists(os.path.split(start_dir)[0])):
        start_dir = os.path.expanduser("~")
    last_filter = settings.value(_LAST_FILTER_KEY, "")
    filename, writer, filter = \
        filedialogs.get_file_name(start_dir, last_filter, file_formats)
    if not filename:
        return
    try:
        writer.write(filename, data)
    except Exception as e:
        QMessageBox.critical(
            None, "Error", 'Error occurred while saving file "{}": {}'.format(filename, e))
    else:
        settings.setValue(_LAST_DIR_KEY, os.path.split(filename)[0])
        settings.setValue(_LAST_FILTER_KEY, filter)
Пример #5
0
def save_plot(data, file_formats, filename=""):
    _LAST_DIR_KEY = "directories/last_graph_directory"
    _LAST_FILTER_KEY = "directories/last_graph_filter"
    settings = QSettings()
    start_dir = settings.value(_LAST_DIR_KEY, filename)
    if not start_dir or \
            (not os.path.exists(start_dir) and
             not os.path.exists(os.path.split(start_dir)[0])):
        start_dir = os.path.expanduser("~")
    last_filter = settings.value(_LAST_FILTER_KEY, "")
    filename, writer, filter = \
        filedialogs.get_file_name(start_dir, last_filter, file_formats)
    if not filename:
        return
    try:
        writer.write(filename, data)
    except Exception as e:
        QMessageBox.critical(
            None, "Error",
            'Error occurred while saving file "{}": {}'.format(filename, e))
    else:
        settings.setValue(_LAST_DIR_KEY, os.path.split(filename)[0])
        settings.setValue(_LAST_FILTER_KEY, filter)
Пример #6
0
def check_for_updates():
    settings = QSettings()
    check_updates = settings.value('startup/check-updates', True, type=bool)
    last_check_time = settings.value('startup/last-update-check-time',
                                     0,
                                     type=int)
    ONE_DAY = 86400

    if check_updates and time.time() - last_check_time > ONE_DAY:
        settings.setValue('startup/last-update-check-time', int(time.time()))

        class GetLatestVersion(QThread):
            resultReady = pyqtSignal(str)

            def run(self):
                try:
                    request = Request('https://orange.biolab.si/version/',
                                      headers={
                                          'Accept': 'text/plain',
                                          'Accept-Encoding': 'gzip, deflate',
                                          'Connection': 'close',
                                          'User-Agent': ua_string()
                                      })
                    contents = urlopen(request, timeout=10).read().decode()
                # Nothing that this fails with should make Orange crash
                except Exception:  # pylint: disable=broad-except
                    log.exception('Failed to check for updates')
                else:
                    self.resultReady.emit(contents)

        def compare_versions(latest):
            version = pkg_resources.parse_version
            skipped = settings.value('startup/latest-skipped-version',
                                     "",
                                     type=str)
            if version(latest) <= version(current) or \
                    latest == skipped:
                return

            notif = Notification(
                title='Orange Update Available',
                text='Current version: <b>{}</b><br>'
                'Latest version: <b>{}</b>'.format(current, latest),
                accept_button_label="Download",
                reject_button_label="Skip this Version",
                icon=QIcon(resource_filename("canvas/icons/update.png")))

            def handle_click(role):
                if role == notif.RejectRole:
                    settings.setValue('startup/latest-skipped-version', latest)
                if role == notif.AcceptRole:
                    QDesktopServices.openUrl(
                        QUrl("https://orange.biolab.si/download/"))

            notif.clicked.connect(handle_click)
            canvas.notification_server_instance.registerNotification(notif)

        thread = GetLatestVersion()
        thread.resultReady.connect(compare_versions)
        thread.start()
        return thread
    return None
Пример #7
0
def main(argv=None):
    # Allow termination with CTRL + C
    signal.signal(signal.SIGINT, signal.SIG_DFL)
    # Disable pyqtgraph's atexit and QApplication.aboutToQuit cleanup handlers.
    pyqtgraph.setConfigOption("exitCleanup", False)

    if argv is None:
        argv = sys.argv

    usage = "usage: %prog [options] [workflow_file]"
    parser = optparse.OptionParser(usage=usage)

    parser.add_option("--no-discovery",
                      action="store_true",
                      help="Don't run widget discovery "
                      "(use full cache instead)")
    parser.add_option("--force-discovery",
                      action="store_true",
                      help="Force full widget discovery "
                      "(invalidate cache)")
    parser.add_option("--clear-widget-settings",
                      action="store_true",
                      help="Remove stored widget setting")
    parser.add_option("--no-welcome",
                      action="store_true",
                      help="Don't show welcome dialog.")
    parser.add_option("--no-splash",
                      action="store_true",
                      help="Don't show splash screen.")
    parser.add_option("-l",
                      "--log-level",
                      help="Logging level (0, 1, 2, 3, 4)",
                      type="int",
                      default=1)
    parser.add_option("--style",
                      help="QStyle to use",
                      type="str",
                      default=None)
    parser.add_option("--stylesheet",
                      help="Application level CSS style sheet to use",
                      type="str",
                      default=None)
    parser.add_option("--qt",
                      help="Additional arguments for QApplication",
                      type="str",
                      default=None)

    (options, args) = parser.parse_args(argv[1:])

    levels = [
        logging.CRITICAL, logging.ERROR, logging.WARN, logging.INFO,
        logging.DEBUG
    ]

    # Fix streams before configuring logging (otherwise it will store
    # and write to the old file descriptors)
    fix_win_pythonw_std_stream()

    # Try to fix macOS automatic window tabbing (Sierra and later)
    fix_macos_nswindow_tabbing()

    logging.basicConfig(
        level=levels[options.log_level],
        handlers=[make_stdout_handler(levels[options.log_level])])
    # set default application configuration
    config_ = config.Config()
    canvasconfig.set_default(config_)
    log.info("Starting 'Orange Canvas' application.")

    qt_argv = argv[:1]

    style = options.style
    defaultstylesheet = "orange.qss"
    fusiontheme = None

    if style is not None:
        if style.startswith("fusion:"):
            qt_argv += ["-style", "fusion"]
            _, _, fusiontheme = style.partition(":")
        else:
            qt_argv += ["-style", style]

    if options.qt is not None:
        qt_argv += shlex.split(options.qt)

    qt_argv += args

    if QT_VERSION >= 0x50600:
        CanvasApplication.setAttribute(Qt.AA_UseHighDpiPixmaps)

    log.debug("Starting CanvasApplicaiton with argv = %r.", qt_argv)
    app = CanvasApplication(qt_argv)
    config_.init()
    if app.style().metaObject().className() == "QFusionStyle":
        if fusiontheme == "breeze-dark":
            app.setPalette(breeze_dark())
            defaultstylesheet = "darkorange.qss"

    palette = app.palette()
    if style is None and palette.color(QPalette.Window).value() < 127:
        log.info("Switching default stylesheet to darkorange")
        defaultstylesheet = "darkorange.qss"

    # Initialize SQL query and execution time logger (in SqlTable)
    sql_level = min(levels[options.log_level], logging.INFO)
    make_sql_logger(sql_level)

    clear_settings_flag = os.path.join(widget_settings_dir(),
                                       "DELETE_ON_START")

    if options.clear_widget_settings or \
            os.path.isfile(clear_settings_flag):
        log.info("Clearing widget settings")
        shutil.rmtree(widget_settings_dir(), ignore_errors=True)

    # Set http_proxy environment variables, after (potentially) clearing settings
    fix_set_proxy_env()

    # Setup file log handler for the select logger list - this is always
    # at least INFO
    level = min(levels[options.log_level], logging.INFO)
    file_handler = logging.FileHandler(filename=os.path.join(
        config.log_dir(), "canvas.log"),
                                       mode="w")
    formatter = logging.Formatter(
        "%(asctime)s:%(levelname)s:%(name)s: %(message)s")
    file_handler.setFormatter(formatter)
    file_handler.setLevel(level)

    stream = TextStream()
    stream_handler = logging.StreamHandler(stream)
    stream_handler.setFormatter(formatter)
    stream_handler.setLevel(level)

    for namespace in ["orangecanvas", "orangewidget", "Orange"]:
        logger = logging.getLogger(namespace)
        logger.setLevel(level)
        logger.addHandler(file_handler)
        logger.addHandler(stream_handler)

    # intercept any QFileOpenEvent requests until the main window is
    # fully initialized.
    # NOTE: The QApplication must have the executable ($0) and filename
    # arguments passed in argv otherwise the FileOpen events are
    # triggered for them (this is done by Cocoa, but QApplicaiton filters
    # them out if passed in argv)

    open_requests = []

    def onrequest(url):
        log.info("Received an file open request %s", url)
        path = url.path()
        exists = QFile(path).exists()
        if exists and \
                ('pydevd.py' not in url.path() and  # PyCharm debugger
                 'run_profiler.py' not in url.path()):  # PyCharm profiler
            open_requests.append(url)

    app.fileOpenRequest.connect(onrequest)

    settings = QSettings()
    settings.setValue('startup/launch-count',
                      settings.value('startup/launch-count', 0, int) + 1)

    if settings.value("reporting/send-statistics", False, type=bool) \
            and is_release:
        UsageStatistics.set_enabled(True)

    stylesheet = options.stylesheet or defaultstylesheet
    stylesheet_string = None

    if stylesheet != "none":
        if os.path.isfile(stylesheet):
            with open(stylesheet, "r") as f:
                stylesheet_string = f.read()
        else:
            if not os.path.splitext(stylesheet)[1]:
                # no extension
                stylesheet = os.path.extsep.join([stylesheet, "qss"])

            pkg_name = orangecanvas.__name__
            resource = "styles/" + stylesheet

            if pkg_resources.resource_exists(pkg_name, resource):
                stylesheet_string = \
                    pkg_resources.resource_string(pkg_name, resource).decode()

                base = pkg_resources.resource_filename(pkg_name, "styles")

                pattern = re.compile(
                    r"^\s@([a-zA-Z0-9_]+?)\s*:\s*([a-zA-Z0-9_/]+?);\s*$",
                    flags=re.MULTILINE)

                matches = pattern.findall(stylesheet_string)

                for prefix, search_path in matches:
                    QDir.addSearchPath(prefix, os.path.join(base, search_path))
                    log.info("Adding search path %r for prefix, %r",
                             search_path, prefix)

                stylesheet_string = pattern.sub("", stylesheet_string)

            else:
                log.info("%r style sheet not found.", stylesheet)

    # Add the default canvas_icons search path
    dirpath = os.path.abspath(os.path.dirname(orangecanvas.__file__))
    QDir.addSearchPath("canvas_icons", os.path.join(dirpath, "icons"))

    canvas_window = MainWindow()
    canvas_window.setAttribute(Qt.WA_DeleteOnClose)
    canvas_window.setWindowIcon(config.application_icon())
    canvas_window.connect_output_stream(stream)

    # initialize notification server, set to initial canvas
    notif_server = NotificationServer()
    canvas.notification_server_instance = notif_server
    canvas_window.set_notification_server(notif_server)

    if stylesheet_string is not None:
        canvas_window.setStyleSheet(stylesheet_string)

    if not options.force_discovery:
        reg_cache = cache.registry_cache()
    else:
        reg_cache = None

    widget_registry = qt.QtWidgetRegistry()
    widget_discovery = config_.widget_discovery(widget_registry,
                                                cached_descriptions=reg_cache)

    want_splash = \
        settings.value("startup/show-splash-screen", True, type=bool) and \
        not options.no_splash

    if want_splash:
        pm, rect = config.splash_screen()
        splash_screen = SplashScreen(pixmap=pm, textRect=rect)
        splash_screen.setFont(QFont("Helvetica", 12))
        color = QColor("#FFD39F")

        def show_message(message):
            splash_screen.showMessage(message, color=color)

        widget_registry.category_added.connect(show_message)

    log.info("Running widget discovery process.")

    cache_filename = os.path.join(config.cache_dir(), "widget-registry.pck")
    if options.no_discovery:
        with open(cache_filename, "rb") as f:
            widget_registry = pickle.load(f)
        widget_registry = qt.QtWidgetRegistry(widget_registry)
    else:
        if want_splash:
            splash_screen.show()
        widget_discovery.run(config.widgets_entry_points())
        if want_splash:
            splash_screen.hide()
            splash_screen.deleteLater()

        # Store cached descriptions
        cache.save_registry_cache(widget_discovery.cached_descriptions)
        with open(cache_filename, "wb") as f:
            pickle.dump(WidgetRegistry(widget_registry), f)

    set_global_registry(widget_registry)
    canvas_window.set_widget_registry(widget_registry)
    canvas_window.show()
    canvas_window.raise_()

    want_welcome = \
        settings.value("startup/show-welcome-screen", True, type=bool) \
        and not options.no_welcome

    # Process events to make sure the canvas_window layout has
    # a chance to activate (the welcome dialog is modal and will
    # block the event queue, plus we need a chance to receive open file
    # signals when running without a splash screen)
    app.processEvents()

    app.fileOpenRequest.connect(canvas_window.open_scheme_file)

    if args:
        log.info("Loading a scheme from the command line argument %r", args[0])
        canvas_window.load_scheme(args[0])
    elif open_requests:
        log.info("Loading a scheme from an `QFileOpenEvent` for %r",
                 open_requests[-1])
        canvas_window.load_scheme(open_requests[-1].toLocalFile())
    else:
        swp_loaded = canvas_window.ask_load_swp_if_exists()
        if not swp_loaded and want_welcome:
            canvas_window.welcome_dialog()

    # local references prevent destruction
    update_check = check_for_updates()
    send_stat = send_usage_statistics()
    pull_notifs = pull_notifications()

    # Tee stdout and stderr into Output dock
    log_view = canvas_window.output_view()

    stdout = TextStream()
    stdout.stream.connect(log_view.write)
    if sys.stdout:
        stdout.stream.connect(sys.stdout.write)
        stdout.flushed.connect(sys.stdout.flush)

    stderr = TextStream()
    error_writer = log_view.formatted(color=Qt.red)
    stderr.stream.connect(error_writer.write)
    if sys.stderr:
        stderr.stream.connect(sys.stderr.write)
        stderr.flushed.connect(sys.stderr.flush)

    log.info("Entering main event loop.")
    excepthook = ExceptHook(stream=stderr)
    excepthook.handledException.connect(handle_exception)
    try:
        with closing(stdout),\
             closing(stderr),\
             closing(stream), \
             patch('sys.excepthook', excepthook),\
             patch('sys.stderr', stderr),\
             patch('sys.stdout', stdout):
            status = app.exec_()
    except BaseException:
        log.error("Error in main event loop.", exc_info=True)
        status = 42

    del canvas_window
    del update_check
    del send_stat
    del pull_notifs

    app.processEvents()
    app.flush()
    # Collect any cycles before deleting the QApplication instance
    gc.collect()

    del app

    if status == 96:
        log.info('Restarting via exit code 96.')
        run_after_exit([sys.executable, sys.argv[0]])

    return status
Пример #8
0
 def _userconfirmed():
     session_hist = QSettings(filename, QSettings.IniFormat)
     session_hist.beginGroup(namespace)
     session_hist.setValue("{}/confirmed".format(message.persistent_id),
                           True)
     session_hist.sync()
Пример #9
0
def check_for_updates():
    settings = QSettings()
    check_updates = settings.value('startup/check-updates', True, type=bool)
    last_check_time = settings.value('startup/last-update-check-time',
                                     0,
                                     type=int)
    ONE_DAY = 86400

    if check_updates and time.time() - last_check_time > ONE_DAY:
        settings.setValue('startup/last-update-check-time', int(time.time()))

        from urllib.request import urlopen, Request
        from Orange.version import version as current

        class GetLatestVersion(QThread):
            resultReady = pyqtSignal(str)

            def run(self):
                try:
                    request = Request('https://orange.biolab.si/version/',
                                      headers={
                                          'Accept': 'text/plain',
                                          'Accept-Encoding': 'gzip, deflate',
                                          'Connection': 'close',
                                          'User-Agent': self.ua_string()
                                      })
                    contents = urlopen(request, timeout=10).read().decode()
                # Nothing that this fails with should make Orange crash
                except Exception:  # pylint: disable=broad-except
                    log.exception('Failed to check for updates')
                else:
                    self.resultReady.emit(contents)

            @staticmethod
            def ua_string():
                is_anaconda = 'Continuum' in sys.version or 'conda' in sys.version
                return 'Orange{orange_version}:Python{py_version}:{platform}:{conda}'.format(
                    orange_version=current,
                    py_version='.'.join(sys.version[:3]),
                    platform=sys.platform,
                    conda='Anaconda' if is_anaconda else '',
                )

        def compare_versions(latest):
            version = pkg_resources.parse_version
            if version(latest) <= version(current):
                return
            question = QMessageBox(
                QMessageBox.Information,
                'Orange Update Available',
                'A newer version of Orange is available.<br><br>'
                '<b>Current version:</b> {}<br>'
                '<b>Latest version:</b> {}'.format(current, latest),
                textFormat=Qt.RichText)
            ok = question.addButton('Download Now', question.AcceptRole)
            question.setDefaultButton(ok)
            question.addButton('Remind Later', question.RejectRole)
            question.finished.connect(
                lambda: question.clickedButton() == ok and QDesktopServices.
                openUrl(QUrl("https://orange.biolab.si/download/")))
            question.show()

        thread = GetLatestVersion()
        thread.resultReady.connect(compare_versions)
        thread.start()
        return thread
Пример #10
0
 def _userconfirmed():
     session_hist = QSettings(filename, QSettings.IniFormat)
     session_hist.beginGroup(namespace)
     session_hist.setValue(
         "{}/confirmed".format(message.persistent_id), True)
     session_hist.sync()
Пример #11
0
def check_for_updates():
    settings = QSettings()
    check_updates = settings.value('startup/check-updates', True, type=bool)
    last_check_time = settings.value('startup/last-update-check-time',
                                     0,
                                     type=int)
    ONE_DAY = 86400

    if check_updates and time.time() - last_check_time > ONE_DAY:
        settings.setValue('startup/last-update-check-time', int(time.time()))

        from Orange.version import version as current

        class GetLatestVersion(QThread):
            resultReady = pyqtSignal(str)

            def run(self):
                try:
                    request = Request('https://orange.biolab.si/version/',
                                      headers={
                                          'Accept': 'text/plain',
                                          'Accept-Encoding': 'gzip, deflate',
                                          'Connection': 'close',
                                          'User-Agent': self.ua_string()
                                      })
                    contents = urlopen(request, timeout=10).read().decode()
                # Nothing that this fails with should make Orange crash
                except Exception:  # pylint: disable=broad-except
                    log.exception('Failed to check for updates')
                else:
                    self.resultReady.emit(contents)

            @staticmethod
            def ua_string():
                is_anaconda = 'Continuum' in sys.version or 'conda' in sys.version
                return 'Orange{orange_version}:Python{py_version}:{platform}:{conda}'.format(
                    orange_version=current,
                    py_version='.'.join(sys.version[:3]),
                    platform=sys.platform,
                    conda='Anaconda' if is_anaconda else '',
                )

        def compare_versions(latest):
            version = pkg_resources.parse_version
            skipped = settings.value('startup/latest-skipped-version',
                                     "",
                                     type=str)
            if version(latest) <= version(current) or \
                    latest == skipped:
                return

            questionButtons = NotificationWidget.Ok | NotificationWidget.Close
            question = NotificationWidget(
                icon=QIcon(gui.resource_filename('icons/Dlg_down3.png')),
                title='Orange Update Available',
                text='Current version: <b>{}</b><br>'
                'Latest version: <b>{}</b>'.format(current, latest),
                textFormat=Qt.RichText,
                standardButtons=questionButtons,
                acceptLabel="Download",
                rejectLabel="Skip this Version")

            def handle_click(b):
                if question.buttonRole(b) == question.RejectRole:
                    settings.setValue('startup/latest-skipped-version', latest)
                if question.buttonRole(b) == question.AcceptRole:
                    QDesktopServices.openUrl(
                        QUrl("https://orange.biolab.si/download/"))

            question.clicked.connect(handle_click)

            NotificationOverlay.registerNotification(question)

        thread = GetLatestVersion()
        thread.resultReady.connect(compare_versions)
        thread.start()
        return thread
    return None
Пример #12
0
def check_for_updates():
    settings = QSettings()
    check_updates = settings.value('startup/check-updates', True, type=bool)
    last_check_time = settings.value('startup/last-update-check-time', 0, type=int)
    ONE_DAY = 86400

    if check_updates and time.time() - last_check_time > ONE_DAY:
        settings.setValue('startup/last-update-check-time', int(time.time()))

        from Orange.version import version as current

        class GetLatestVersion(QThread):
            resultReady = pyqtSignal(str)

            def run(self):
                try:
                    request = Request('https://orange.biolab.si/version/',
                                      headers={
                                          'Accept': 'text/plain',
                                          'Accept-Encoding': 'gzip, deflate',
                                          'Connection': 'close',
                                          'User-Agent': self.ua_string()})
                    contents = urlopen(request, timeout=10).read().decode()
                # Nothing that this fails with should make Orange crash
                except Exception:  # pylint: disable=broad-except
                    log.exception('Failed to check for updates')
                else:
                    self.resultReady.emit(contents)

            @staticmethod
            def ua_string():
                is_anaconda = 'Continuum' in sys.version or 'conda' in sys.version
                return 'Orange{orange_version}:Python{py_version}:{platform}:{conda}'.format(
                    orange_version=current,
                    py_version='.'.join(sys.version[:3]),
                    platform=sys.platform,
                    conda='Anaconda' if is_anaconda else '',
                )

        def compare_versions(latest):
            version = pkg_resources.parse_version
            if version(latest) <= version(current):
                return
            question = QMessageBox(
                QMessageBox.Information,
                'Orange Update Available',
                'A newer version of Orange is available.<br><br>'
                '<b>Current version:</b> {}<br>'
                '<b>Latest version:</b> {}'.format(current, latest),
                textFormat=Qt.RichText)
            ok = question.addButton('Download Now', question.AcceptRole)
            question.setDefaultButton(ok)
            question.addButton('Remind Later', question.RejectRole)
            question.finished.connect(
                lambda:
                question.clickedButton() == ok and
                QDesktopServices.openUrl(QUrl("https://orange.biolab.si/download/")))
            question.show()

        thread = GetLatestVersion()
        thread.resultReady.connect(compare_versions)
        thread.start()
        return thread
Пример #13
0
    def handle_exception(cls, exc):
        etype, evalue, tb = exc
        exception = traceback.format_exception_only(etype, evalue)[-1].strip()
        stacktrace = ''.join(traceback.format_exception(etype, evalue, tb))

        def _find_last_frame(tb):
            if not tb:
                return None
            while tb.tb_next:
                tb = tb.tb_next
            return tb

        err_locals, err_module, frame = None, None, _find_last_frame(tb)
        if frame:
            err_module = '{}:{}'.format(
                frame.tb_frame.f_globals.get(
                    '__name__', frame.tb_frame.f_code.co_filename),
                frame.tb_lineno)
            err_locals = OrderedDict(sorted(frame.tb_frame.f_locals.items()))
            err_locals = try_(lambda: pformat(err_locals),
                              try_(lambda: str(err_locals)))

        def _find_widget_frame(tb):
            while tb:
                if isinstance(tb.tb_frame.f_locals.get('self'), OWBaseWidget):
                    return tb
                tb = tb.tb_next

        widget_module = widget_class = widget = workflow = None
        frame = _find_widget_frame(tb)
        if frame is not None:
            widget = frame.tb_frame.f_locals['self']  # type: OWBaseWidget
            widget_class = widget.__class__
            widget_module = '{}:{}'.format(widget_class.__module__,
                                           frame.tb_lineno)
        if widget is not None:
            try:
                workflow = widget.signalManager.parent()
                if not isinstance(workflow, WidgetsScheme):
                    raise TypeError
            except Exception:
                workflow = None

        packages = ', '.join(sorted(get_installed_distributions()))

        settings = QSettings()
        if settings.contains('error-reporting/machine-id'):
            machine_id = settings.value('error-reporting/machine-id')
        else:
            machine_id = str(uuid.uuid4())
            settings.setValue('error-reporting/machine-id', machine_id)

        # If this exact error was already reported in this session,
        # just warn about it
        # or if computer not connected to the internet
        if (err_module, widget_module) in cls._cache or not internet_on():
            QMessageBox(
                QMessageBox.Warning, 'Error Encountered',
                'Error encountered{}:<br><br><tt>{}</tt>'.format(
                    (' in widget <b>{}</b>'.format(widget_class.name)
                     if widget_class else ''),
                    stacktrace.replace('\n', '<br>').replace(' ', '&nbsp;')),
                QMessageBox.Ignore).exec()
            return

        F = cls.DataField
        data = OrderedDict()
        data[F.EXCEPTION] = exception
        data[F.MODULE] = err_module
        if widget_class is not None:
            data[F.WIDGET_NAME] = widget_class.name
            data[F.WIDGET_MODULE] = widget_module
        if workflow is not None \
                and QSettings().value('reporting/add-scheme', True, type=bool):
            fd, filename = mkstemp(prefix='ows-', suffix='.ows.xml')
            os.close(fd)
            try:
                with open(filename, "wb") as f:
                    workflow.save_to(f, pretty=True, pickle_fallback=True)
                with open(filename, encoding='utf-8') as f:
                    data[F.WIDGET_SCHEME] = f.read()
            except Exception:
                pass
        data[F.VERSION] = QApplication.applicationVersion()
        data[F.ENVIRONMENT] = 'Python {} on {} {} {} {}'.format(
            platform.python_version(), platform.system(), platform.release(),
            platform.version(), platform.machine())
        data[F.INSTALLED_PACKAGES] = packages
        data[F.MACHINE_ID] = machine_id
        data[F.STACK_TRACE] = stacktrace
        if err_locals:
            data[F.LOCALS] = err_locals

        cls(data=data).exec()