How to use _CFAttributeToPyObject method in pyatom

Best Python code snippet using pyatom_python

_a11y.py

Source:_a11y.py

...7from PyObjCTools import AppHelper, MachSignals8"""9Library of Apple A11y functions10"""11def _CFAttributeToPyObject(self, attrValue):12    def list_helper(list_value):13        list_builder = []14        for item in list_value:15            list_builder.append(_CFAttributeToPyObject(self, item))16        return list_builder17    def number_helper(number_value):18        success, int_value = CFNumberGetValue(number_value, kCFNumberIntType, None)19        if success:20            return int(int_value)21        success, float_value = CFNumberGetValue(number_value, kCFNumberDoubleType, None)22        if success:23            return float(float_value)24        raise ErrorUnsupported('Error converting numeric attribute: {}'.format(number_value))25    def axuielement_helper(element_value):26        return self.with_ref(element_value)27    cf_attr_type = CFGetTypeID(attrValue)28    cf_type_mapping = {29        CFStringGetTypeID(): str,30        CFBooleanGetTypeID(): bool,31        CFArrayGetTypeID(): list_helper,32        CFNumberGetTypeID(): number_helper,33        AXUIElementGetTypeID(): axuielement_helper,34    }35    try:36        return cf_type_mapping[cf_attr_type](attrValue)37    except KeyError:38        # did not get a supported CF type. Move on to AX type39        pass40    ax_attr_type = AXValueGetType(attrValue)41    ax_type_map = {42        kAXValueCGSizeType: NSSizeFromString,43        kAXValueCGPointType: NSPointFromString,44        kAXValueCFRangeType: NSRangeFromString,45    }46    try:47        extracted_str = re.search('{.*}', attrValue.description()).group()48        return tuple(ax_type_map[ax_attr_type](extracted_str))49    except KeyError:50        raise ErrorUnsupported('Return value not supported yet: {}'.format(ax_attr_type))51def _sigHandler(sig):52    AppHelper.stopEventLoop()53    raise KeyboardInterrupt('Keyboard interrupted Run Loop')54def _setError(error_code, error_message):55    error_mapping = {56        kAXErrorAttributeUnsupported: ErrorUnsupported, # -2520557        kAXErrorActionUnsupported: ErrorUnsupported, # -2520658        kAXErrorNotificationUnsupported: ErrorUnsupported, # -2520759        kAXErrorAPIDisabled: ErrorAPIDisabled, # -2521160        kAXErrorInvalidUIElement: ErrorInvalidUIElement, # -2520261        kAXErrorCannotComplete: ErrorCannotComplete, # -2520462        kAXErrorNotImplemented: ErrorNotImplemented, # -2520863    }64    msg = '{} (AX Error {})'.format(error_message, error_code)65    raise error_mapping[error_code](msg)66class Error(Exception):67    pass68class ErrorAPIDisabled(Error):69    pass70class ErrorInvalidUIElement(Error):71    pass72class ErrorCannotComplete(Error):73    pass74class ErrorUnsupported(Error):75    pass76class ErrorNotImplemented(Error):77    pass78class AXUIElement(object):79    """80    Apple AXUIElement object81    """82    """83    1. Factory class methods for getAppRefByPid and getSystemObject which84       properly instantiate the class.85    2. Generators and methods for finding objects for use in child classes.86    3. __getattribute__ call for invoking actions.87    4. waitFor utility based upon AX notifications.88    """89    def __init__(self, ref=None, callback_fn=None, callback_args=None, callback_kwargs=None, observer_res=None):90        super(AXUIElement, self).__init__()91        self.ref = ref92        self.callbackFn = callback_fn93        self.callbackArgs = callback_args94        self.callbackKwargs = callback_kwargs95        self.observerRes = observer_res96    def _setNotification(self, timeout=0, notificationStr=None, callbackFn=None, callbackArgs=None, callbackKwargs=None):97        if callable(callbackFn):98            self.callbackFn = callbackFn99        if isinstance(callbackArgs, tuple):100            self.callbackArgs = callbackArgs101        else:102            self.callbackArgs = tuple()103        if isinstance(callbackKwargs, dict):104            self.callbackKwargs = callbackKwargs105        self.observerRes = None106        pid = self._getPid()107        err, observer = AXObserverCreate(pid, observerCallback, None)108        if err != kAXErrorSuccess:109            _setError(err, 'Could not create observer for notification')110        err = AXObserverAddNotification(111            observer, self.ref,112            notificationStr,113            self114        )115        if err != kAXErrorSuccess:116            _setError(err, 'Could not add notification to observer')117        #Add observer source to run loop118        CFRunLoopAddSource(119            CFRunLoopGetCurrent(),120            AXObserverGetRunLoopSource(observer),121            kCFRunLoopDefaultMode122        )123        # Set the signal handlers prior to running the run loop124        oldSigIntHandler = MachSignals.signal(signal.SIGINT, _sigHandler)125        # If an error occurs (return value is SIG_ERR), continue as it's not fatal126        AppHelper.runConsoleEventLoop(127            mode=kCFRunLoopDefaultMode,128            installInterrupt=False,129            maxTimeout=timeout,130        )131        MachSignals.signal(signal.SIGINT, oldSigIntHandler)132        err = AXObserverRemoveNotification(observer, self.ref, notificationStr)133        if err != kAXErrorSuccess:134            _setError(err, 'Could not remove notification from observer')135        return self.observerRes136        # if timeout137        # return False138    def _getAttributes(self):139        """140        Get a list of the actions available on the AXUIElement141        :return:142        """143        err, attr = AXUIElementCopyAttributeNames(self.ref, None)144        if err != kAXErrorSuccess:145            _setError(err, 'Error retrieving attribute list')146        else:147            return list(attr)148    def _getActions(self):149        """150        Get a list of the actions available on the AXUIElement151        :return:152        """153        if self.ref is None:154            raise Error('Not a valid accessibility object')155        err, actions = AXUIElementCopyActionNames(self.ref, None)156        if err != kAXErrorSuccess:157            _setError(err, 'Error retrieving action names')158        else:159            return list(actions)160    def _performAction(self, action):161        """162        Perform the specified action on the AXUIElement object163        :param action:164        :return:165        """166        err = AXUIElementPerformAction(self.ref, action)167        if err != kAXErrorSuccess:168            _setError(err, 'Error performing requested action')169    def _getAttribute(self, attr):170        """171        Get the value of the the specified attribute172        :param args:173        :return:174        """175        err, attrValue = AXUIElementCopyAttributeValue(self.ref, attr, None)176        if err == kAXErrorNoValue:177            return178        if err != kAXErrorSuccess:179            if err == kAXErrorNotImplemented:180                _setError(err, 'Attribute not implemented')181            else:182                _setError(err, 'Error retrieving attribute')183        return _CFAttributeToPyObject(self, attrValue)184    def _setAttribute(self, attr, val):185        """186        Set the specified attribute to the specified value187        :param args:188        :return:189        """190        self._getAttribute(attr)191        err, to_set = AXUIElementCopyAttributeValue(self.ref, attr, None)192        if err != kAXErrorSuccess:193            _setError(err, 'Error retrieving attribute to set')194        err, settable = AXUIElementIsAttributeSettable(self.ref, attr, None)195        if err != kAXErrorSuccess:196            _setError(err, 'Error querying attribute')197        if not settable:...

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