def test_init(self): """Test init.""" unit_feet = Unit('130790') unit_feet.load_dictionary(unit_feet_depth) unit_metres = Unit('900713') unit_metres.load_dictionary(unit_metres_depth) resource_parameter = ResourceParameter() resource_parameter.name = 'Flood Depth' resource_parameter.is_required = True resource_parameter.precision = 3 resource_parameter.minimum_allowed_value = 1.0 resource_parameter.maximum_allowed_value = 2.0 resource_parameter.help_text = 'The depth of flood.' resource_parameter.description = ( 'A <b>test _description</b> that is very long so that you need ' 'to read it for one minute and you will be tired after read this ' 'description. You are the best user so far. Even better if you ' 'read this description loudly so that all of your friends will be ' 'able to hear you') resource_parameter.unit = unit_feet resource_parameter.allowed_units = [unit_metres, unit_feet] resource_parameter.value = 1.12 widget = ResourceParameterWidget(resource_parameter) expected_value = resource_parameter.name real_value = widget.label.text() message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) expected_value = resource_parameter.value real_value = widget.get_parameter().value message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) widget.set_value(1.5) expected_value = 1.5 real_value = widget.get_parameter().value message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) widget.set_value(1.55555) expected_value = 1.556 real_value = widget.get_parameter().value message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) widget.set_value(7) expected_value = 2 real_value = widget.get_parameter().value message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message)
def test_all(self): """Basic test of all properties.""" unit = Unit() unit.name = 'metre' unit.plural = 'metres' unit.abbreviation = 'm' unit.description = ( '<b>metres</b> are a metric unit of measure. There are 100 ' 'centimetres in 1 metre.'), unit.help_text = 'Help for metre unit' parameter = ResourceParameter() parameter.is_required = True parameter.minimum_allowed_value = 1.0 parameter.maximum_allowed_value = 2.0 parameter.value = 1.123 parameter.frequency = 'weekly' parameter.unit = unit self.assertEqual(1.123, parameter.value) self.assertDictEqual(unit.serialize(), parameter.unit.serialize()) self.assertEqual('weekly', parameter.frequency)
def test_init(self): unit_feet = Unit('130790') unit_feet.load_dictionary(unit_feet_depth) unit_metres = Unit('900713') unit_metres.load_dictionary(unit_metres_depth) float_parameter = FloatParameter() float_parameter.name = 'Flood Depth' float_parameter.is_required = True float_parameter.precision = 3 float_parameter.minimum_allowed_value = 1.0 float_parameter.maximum_allowed_value = 2.0 float_parameter.help_text = 'The depth of flood.' float_parameter.description = ( 'A <b>test _description</b> that is very long so that you need ' 'to read it for one minute and you will be tired after read this ' 'description. You are the best user so far. Even better if you ' 'read this description loudly so that all of your friends will be ' 'able to hear you') float_parameter.unit = unit_feet float_parameter.allowed_units = [unit_metres, unit_feet] float_parameter.value = 1.12 widget = FloatParameterWidget(float_parameter) expected_value = float_parameter.name real_value = widget.label.text() message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) expected_value = float_parameter.value real_value = widget.get_parameter().value message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) widget._input.setValue(1.5) expected_value = 1.5 real_value = widget.get_parameter().value message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) widget._input.setValue(1.55555) expected_value = 1.556 real_value = widget.get_parameter().value message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) widget._input.setValue(7) expected_value = 2 real_value = widget.get_parameter().value message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) expected_value = 'QComboBox' real_value = widget._unit_widget.__class__.__name__ message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) expected_value = 'feet' real_value = widget.get_parameter().unit.name message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) expected_value = 'metres' widget._unit_widget.setCurrentIndex(0) real_value = widget.get_parameter().unit.name message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message)
def main(): """Main function""" app = QApplication([]) def validate_min_max(parent_container): """ :param parent_container: The container that use this validator. :type parent_container: ParameterContainer :return: """ min_value_parameter = parent_container.get_parameter_by_guid( min_integer_parameter.guid) max_value_parameter = parent_container.get_parameter_by_guid( max_integer_parameter.guid) min_value = min_value_parameter.value max_value = max_value_parameter.value print('min', min_value) print('max', max_value) if min_value > max_value: print('Not valid') message = ('Your minimum value (%d) should be less than your ' 'maximum value (%d)' % (min_value, max_value)) return { 'valid': False, 'message': message } print('Valid') return {'valid': True, 'message': ''} unit_feet = Unit('130790') unit_feet.load_dictionary(unit_feet_depth) unit_metres = Unit('900713') unit_metres.load_dictionary(unit_metres_depth) string_parameter = StringParameter('28082014') string_parameter.name = 'Province Name' string_parameter.description = 'Name of province.' string_parameter.help_text = ( 'A <b>test help</b> that is very long so that you need to ' 'read it for one minute and you will be tired after read this ' 'description. You are the best user so far. Even better if you read ' 'this description loudly so that all of your friends will be able ' 'to hear you') string_parameter.is_required = True string_parameter.value = 'Daerah Istimewa Yogyakarta' boolean_parameter = BooleanParameter('1231231') boolean_parameter.name = 'Post processor' boolean_parameter.description = 'This is post processor parameter.' boolean_parameter.help_text = ( 'A <b>test help text</b> that is very long so that you need to ' 'read it for one minute and you will be tired after read this ' 'description. You are the best user so far. Even better if you read ' 'this description loudly so that all of your friends will be able ' 'to hear you') boolean_parameter.is_required = True boolean_parameter.value = True float_parameter = FloatParameter() float_parameter.name = 'Flood Depth' float_parameter.is_required = True float_parameter.precision = 3 float_parameter.minimum_allowed_value = 1.0 float_parameter.maximum_allowed_value = 2.0 float_parameter.description = 'The depth of flood.' float_parameter.help_text = ( 'A <b>test _description</b> that is very long so that you need to ' 'read it for one minute and you will be tired after read this ' 'description. You are the best user so far. Even better if you read ' 'this description loudly so that all of your friends will be able ' 'to hear you') float_parameter.unit = unit_feet float_parameter.allowed_units = [unit_metres, unit_feet] float_parameter.value = 1.12 integer_parameter = IntegerParameter() integer_parameter.name = 'Paper' integer_parameter.is_required = True integer_parameter.minimum_allowed_value = 1 integer_parameter.maximum_allowed_value = 5 integer_parameter.description = 'Number of paper' integer_parameter.help_text = ( 'A <b>test _description</b> that is very long so that you need to ' 'read it for one minute and you will be tired after read this ' 'description. You are the best user so far. Even better if you read ' 'this description loudly so that all of your friends will be able ' 'to hear you') integer_parameter.unit = unit_feet integer_parameter.allowed_units = [unit_feet] integer_parameter.value = 3 point_parameter = PointParameter() point_parameter.name = 'Point Parameter' point_parameter.is_required = True point_parameter.description = 'Short help.' point_parameter.help_text = 'Long description for parameter.' point_parameter.value = (0, 1) min_integer_parameter = IntegerParameter() min_integer_parameter.name = 'Minimal Stick Length' min_integer_parameter.is_required = True min_integer_parameter.minimum_allowed_value = 1 min_integer_parameter.maximum_allowed_value = 50 min_integer_parameter.description = 'Minimum length of a stick' min_integer_parameter.help_text = ( 'Minimum length of a stick that are allowed') min_integer_parameter.unit = unit_metres min_integer_parameter.allowed_units = [unit_metres] min_integer_parameter.value = 3 max_integer_parameter = IntegerParameter() max_integer_parameter.name = 'Maximum Stick Length' max_integer_parameter.is_required = True max_integer_parameter.minimum_allowed_value = 1 max_integer_parameter.maximum_allowed_value = 50 max_integer_parameter.description = 'Maximum length of a stick' max_integer_parameter.help_text = ( 'Maximum length of a stick that are allowed') max_integer_parameter.unit = unit_metres max_integer_parameter.allowed_units = [unit_metres] max_integer_parameter.value = 4 list_parameter = ListParameter() list_parameter.name = 'Affected Field' list_parameter.is_required = True list_parameter.maximum_item_count = 3 list_parameter.minimum_item_count = 1 list_parameter.description = 'Column used for affected field' list_parameter.help_text = 'Column used for affected field in the vector' list_parameter.element_type = str list_parameter.options_list = ['FLOODPRONE', 'affected', 'floodprone', 'yes/no', '\xddounicode test'] list_parameter.value = ['FLOODPRONE', 'affected', 'floodprone'] select_parameter = SelectParameter() select_parameter.name = 'Select Affected Field' select_parameter.is_required = True select_parameter.description = 'Column used for affected field' select_parameter.help_text = ( 'Column used for affected field in the vector') select_parameter.element_type = str select_parameter.options_list = [ 'FLOODPRONE', 'affected', 'floodprone', 'yes/no', '\xddounicode test'] select_parameter.value = 'affected' input_list_parameter = InputListParameter() input_list_parameter.name = 'Thresholds' input_list_parameter.is_required = True input_list_parameter.maximum_item_count = 3 input_list_parameter.minimum_item_count = 1 input_list_parameter.description = 'Specified List of thresholds' input_list_parameter.help_text = 'Some help text' input_list_parameter.element_type = int input_list_parameter.ordering = InputListParameter.DescendingOrder input_list_parameter.value = [1] dict_parameter = DictParameter() dict_parameter.name = 'Dict Parameter' dict_parameter.is_required = True dict_parameter.maximum_item_count = 5 dict_parameter.minimum_item_count = 1 dict_parameter.description = 'Dict Parameter example' dict_parameter.help_text = 'Dict Parameter help text.' dict_parameter.element_type = str dict_parameter.value = { 'foo': 'True', 'bar': '10', 'woo': 'False', 'sub_dict_sample': { 'key1': 'val1', 'key2': 'val2' } } group_parameter = GroupParameter() group_parameter.name = 'Age ratios' group_parameter.is_required = True group_parameter.value = [ string_parameter, integer_parameter, boolean_parameter ] def _custom_validator(value): valid = True if string_parameter.value == 'foo' and integer_parameter.value == \ 3 and boolean_parameter.value is True: valid = False if not valid: raise Exception('Parameter not valid') group_parameter.custom_validator = _custom_validator parameters = [ string_parameter, integer_parameter, boolean_parameter, float_parameter, float_parameter, boolean_parameter, integer_parameter, point_parameter, list_parameter, input_list_parameter, dict_parameter, group_parameter, select_parameter ] extra_parameters = [ (PointParameter, PointParameterWidget) ] min_max_parameters = [min_integer_parameter, max_integer_parameter] description_text = ( 'These parameters are merely created for showing example only') # description_text = '' parameter_container = ParameterContainer( parameters, extra_parameters=extra_parameters, description_text=description_text) parameter_container.setup_ui() # create error handler parameter_widget = parameter_container.get_parameter_widgets() try: input_list_widget = [ w.widget() for w in parameter_widget if isinstance(w.widget(), InputListParameterWidget)][0] def add_row_handler(exception): box = QMessageBox() box.critical(input_list_widget, 'Add Row Error', exception.message) input_list_widget.add_row_error_handler = add_row_handler except IndexError: pass parameter_container2 = ParameterContainer( extra_parameters=extra_parameters, description_text='Empty Parameter Container Description') parameter_container2.setup_ui() parameter_container3 = ParameterContainer( parameters=min_max_parameters, extra_parameters=extra_parameters, description_text='Minimum Maximum Parameter') parameter_container3.add_validator(validate_min_max) parameter_container3.setup_ui() def show_error_message(parent, exception): """Generate error message to handle parameter errors :param parent: The widget as a parent of message box :type parent: QWidget :param exception: python Exception or Error :type exception: Exception """ box = QMessageBox() box.critical(parent, 'Error occured', exception.message) def show_parameter(the_parameter_container): """Print the value of parameter. :param the_parameter_container: A parameter container :type the_parameter_container: ParameterContainer """ def show_parameter_value(a_parameter): if isinstance(a_parameter, GroupParameter): for param in a_parameter.value: show_parameter_value(param) else: print(a_parameter.guid, a_parameter.name, a_parameter.value) try: the_parameters = the_parameter_container.get_parameters() if the_parameters: for parameter in the_parameters: show_parameter_value(parameter) except Exception as inst: show_error_message(parameter_container, inst) button = QPushButton('Show parameters') # noinspection PyUnresolvedReferences button.clicked.connect( partial(show_parameter, the_parameter_container=parameter_container)) validate_button = QPushButton('Validate parameters') # noinspection PyUnresolvedReferences validate_button.clicked.connect( partial(show_parameter, the_parameter_container=parameter_container3)) widget = QWidget() layout = QGridLayout() layout.addWidget(parameter_container) layout.addWidget(button) layout.addWidget(parameter_container2) layout.addWidget(parameter_container3) layout.addWidget(validate_button) widget.setLayout(layout) widget.setGeometry(0, 0, 500, 500) widget.show() sys.exit(app.exec_())
def test_init(self): unit_feet = Unit('130790') unit_feet.load_dictionary(unit_feet_depth) unit_metres = Unit('900713') unit_metres.load_dictionary(unit_metres_depth) integer_parameter = IntegerParameter() integer_parameter.name = 'Paper' integer_parameter.is_required = True integer_parameter.minimum_allowed_value = 1 integer_parameter.maximum_allowed_value = 5 integer_parameter.help_text = 'Number of paper' integer_parameter.description = ( 'A <b>test _description</b> that is very long so that you need ' 'to read it for one minute and you will be tired after read this ' 'description. You are the best user so far. Even better if you ' 'read this description loudly so that all of your friends will be ' 'able to hear you') integer_parameter.unit = unit_feet integer_parameter.allowed_units = [unit_feet] integer_parameter.value = 3 widget = IntegerParameterWidget(integer_parameter) expected_value = integer_parameter.name real_value = widget.label.text() message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) expected_value = integer_parameter.value real_value = widget.get_parameter().value message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) widget._input.setValue(1.5) expected_value = 1 real_value = widget.get_parameter().value message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) widget._input.setValue(1.55555) expected_value = 1 real_value = widget.get_parameter().value message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) widget._input.setValue(7) expected_value = 5 real_value = widget.get_parameter().value message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) expected_value = 'QLabel' real_value = widget._unit_widget.__class__.__name__ message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message) expected_value = 'feet' real_value = widget._unit_widget.text() message = 'Expected %s get %s' % (expected_value, real_value) self.assertEqual(expected_value, real_value, message)
def __init__(self, guid=None): super(ResourceParameter, self).__init__(guid) self._frequency = '' self._unit = Unit()
class ResourceParameter(FloatParameter): """A parameter handling specifically the resources used in InaSAFE minimum needs. :param guid: The unique reference to use when addressing this value. :type guid: str, None """ def __init__(self, guid=None): super(ResourceParameter, self).__init__(guid) self._frequency = '' self._unit = Unit() @property def frequency(self): """The frequency that the resource needs to be supplied getter. :returns: The frequency. :rtype: str """ return self._frequency @frequency.setter def frequency(self, frequency): """Set the frequency that the resource needs to be supplied. :param frequency: The frequency of the resource. :type frequency: str """ self._frequency = frequency def serialize(self): """Convert the parameter into a dictionary. :return: The parameter dictionary. :rtype: dict """ pickle = super(ResourceParameter, self).serialize() pickle['frequency'] = self.frequency pickle['unit'] = self._unit.serialize() return pickle # pylint: disable=W0221 @property def unit(self): """Property for the unit for the parameter. :returns: The unit of the parameter. :rtype: Unit """ return self._unit @unit.setter def unit(self, unit): """Setter for unit for the parameter. :param unit: Unit for parameter :type unit: Unit """ self._unit = unit
def main(): """Main function""" app = QApplication([]) def validate_min_max(parent_container): """ :param parent_container: The container that use this validator. :type parent_container: ParameterContainer :return: """ min_value_parameter = parent_container.get_parameter_by_guid( min_integer_parameter.guid) max_value_parameter = parent_container.get_parameter_by_guid( max_integer_parameter.guid) min_value = min_value_parameter.value max_value = max_value_parameter.value print 'min', min_value print 'max', max_value if min_value > max_value: print 'Not valid' return { 'valid': False, 'message': ('Your minimum value (%d) should be less than your maximum ' 'value (%d)' % (min_value, max_value)) } print 'Valid' return {'valid': True, 'message': ''} unit_feet = Unit('130790') unit_feet.load_dictionary(unit_feet_depth) unit_metres = Unit('900713') unit_metres.load_dictionary(unit_metres_depth) string_parameter = StringParameter('28082014') string_parameter.name = 'Province Name' string_parameter.description = 'Name of province.' string_parameter.help_text = ( 'A <b>test help</b> that is very long so that you need to ' 'read it for one minute and you will be tired after read this ' 'description. You are the best user so far. Even better if you read ' 'this description loudly so that all of your friends will be able ' 'to hear you') string_parameter.is_required = True string_parameter.value = 'Daerah Istimewa Yogyakarta' boolean_parameter = BooleanParameter('1231231') boolean_parameter.name = 'Post processor' boolean_parameter.description = 'This is post processor parameter.' boolean_parameter.help_text = ( 'A <b>test help text</b> that is very long so that you need to ' 'read it for one minute and you will be tired after read this ' 'description. You are the best user so far. Even better if you read ' 'this description loudly so that all of your friends will be able ' 'to hear you') boolean_parameter.is_required = True boolean_parameter.value = True float_parameter = FloatParameter() float_parameter.name = 'Flood Depth' float_parameter.is_required = True float_parameter.precision = 3 float_parameter.minimum_allowed_value = 1.0 float_parameter.maximum_allowed_value = 2.0 float_parameter.description = 'The depth of flood.' float_parameter.help_text = ( 'A <b>test _description</b> that is very long so that you need to ' 'read it for one minute and you will be tired after read this ' 'description. You are the best user so far. Even better if you read ' 'this description loudly so that all of your friends will be able ' 'to hear you') float_parameter.unit = unit_feet float_parameter.allowed_units = [unit_metres, unit_feet] float_parameter.value = 1.12 integer_parameter = IntegerParameter() integer_parameter.name = 'Paper' integer_parameter.is_required = True integer_parameter.minimum_allowed_value = 1 integer_parameter.maximum_allowed_value = 5 integer_parameter.description = 'Number of paper' integer_parameter.help_text = ( 'A <b>test _description</b> that is very long so that you need to ' 'read it for one minute and you will be tired after read this ' 'description. You are the best user so far. Even better if you read ' 'this description loudly so that all of your friends will be able ' 'to hear you') integer_parameter.unit = unit_feet integer_parameter.allowed_units = [unit_feet] integer_parameter.value = 3 point_parameter = PointParameter() point_parameter.name = 'Point Parameter' point_parameter.is_required = True point_parameter.description = 'Short help.' point_parameter.help_text = 'Long description for parameter.' point_parameter.value = (0, 1) min_integer_parameter = IntegerParameter() min_integer_parameter.name = 'Minimal Stick Length' min_integer_parameter.is_required = True min_integer_parameter.minimum_allowed_value = 1 min_integer_parameter.maximum_allowed_value = 50 min_integer_parameter.description = 'Minimum length of a stick' min_integer_parameter.help_text = ( 'Minimum length of a stick that are allowed') min_integer_parameter.unit = unit_metres min_integer_parameter.allowed_units = [unit_metres] min_integer_parameter.value = 3 max_integer_parameter = IntegerParameter() max_integer_parameter.name = 'Maximum Stick Length' max_integer_parameter.is_required = True max_integer_parameter.minimum_allowed_value = 1 max_integer_parameter.maximum_allowed_value = 50 max_integer_parameter.description = 'Maximum length of a stick' max_integer_parameter.help_text = ( 'Maximum length of a stick that are allowed') max_integer_parameter.unit = unit_metres max_integer_parameter.allowed_units = [unit_metres] max_integer_parameter.value = 4 list_parameter = ListParameter() list_parameter.name = 'Affected Field' list_parameter.is_required = True list_parameter.maximum_item_count = 3 list_parameter.minimum_item_count = 1 list_parameter.description = 'Column used for affected field' list_parameter.help_text = 'Column used for affected field in the vector' list_parameter.element_type = str list_parameter.options_list = [ 'FLOODPRONE', 'affected', 'floodprone', 'yes/no', '\xddounicode test' ] list_parameter.value = ['FLOODPRONE', 'affected', 'floodprone'] select_parameter = SelectParameter() select_parameter.name = 'Select Affected Field' select_parameter.is_required = True select_parameter.description = 'Column used for affected field' select_parameter.help_text = ( 'Column used for affected field in the vector') select_parameter.element_type = str select_parameter.options_list = [ 'FLOODPRONE', 'affected', 'floodprone', 'yes/no', '\xddounicode test' ] select_parameter.value = 'affected' input_list_parameter = InputListParameter() input_list_parameter.name = 'Thresholds' input_list_parameter.is_required = True input_list_parameter.maximum_item_count = 3 input_list_parameter.minimum_item_count = 1 input_list_parameter.description = 'Specified List of thresholds' input_list_parameter.help_text = 'Some help text' input_list_parameter.element_type = int input_list_parameter.ordering = InputListParameter.DescendingOrder input_list_parameter.value = [1] dict_parameter = DictParameter() dict_parameter.name = 'Dict Parameter' dict_parameter.is_required = True dict_parameter.maximum_item_count = 5 dict_parameter.minimum_item_count = 1 dict_parameter.description = 'Dict Parameter example' dict_parameter.help_text = 'Dict Parameter help text.' dict_parameter.element_type = str dict_parameter.value = { 'foo': 'True', 'bar': '10', 'woo': 'False', 'sub_dict_sample': { 'key1': 'val1', 'key2': 'val2' } } group_parameter = GroupParameter() group_parameter.name = 'Age ratios' group_parameter.is_required = True group_parameter.value = [ string_parameter, integer_parameter, boolean_parameter ] def _custom_validator(value): valid = True if string_parameter.value == 'foo' and integer_parameter.value == \ 3 and boolean_parameter.value is True: valid = False if not valid: raise Exception('Parameter not valid') group_parameter.custom_validator = _custom_validator parameters = [ string_parameter, integer_parameter, boolean_parameter, float_parameter, float_parameter, boolean_parameter, integer_parameter, point_parameter, list_parameter, input_list_parameter, dict_parameter, group_parameter, select_parameter ] extra_parameters = [(PointParameter, PointParameterWidget)] min_max_parameters = [min_integer_parameter, max_integer_parameter] description_text = ( 'These parameters are merely created for showing example only') # description_text = '' parameter_container = ParameterContainer(parameters, extra_parameters=extra_parameters, description_text=description_text) parameter_container.setup_ui() # create error handler parameter_widget = parameter_container.get_parameter_widgets() try: input_list_widget = [ w.widget() for w in parameter_widget if isinstance(w.widget(), InputListParameterWidget) ][0] def add_row_handler(exception): box = QMessageBox() box.critical(input_list_widget, 'Add Row Error', exception.message) input_list_widget.add_row_error_handler = add_row_handler except IndexError: pass parameter_container2 = ParameterContainer( extra_parameters=extra_parameters, description_text='Empty Parameter Container Description') parameter_container2.setup_ui() parameter_container3 = ParameterContainer( parameters=min_max_parameters, extra_parameters=extra_parameters, description_text='Minimum Maximum Parameter') parameter_container3.add_validator(validate_min_max) parameter_container3.setup_ui() def show_error_message(parent, exception): """Generate error message to handle parameter errors :param parent: The widget as a parent of message box :type parent: QWidget :param exception: python Exception or Error :type exception: Exception """ box = QMessageBox() box.critical(parent, 'Error occured', exception.message) def show_parameter(the_parameter_container): """Print the value of parameter. :param the_parameter_container: A parameter container :type the_parameter_container: ParameterContainer """ def show_parameter_value(a_parameter): if isinstance(a_parameter, GroupParameter): for param in a_parameter.value: show_parameter_value(param) else: print a_parameter.guid, a_parameter.name, a_parameter.value try: the_parameters = the_parameter_container.get_parameters() if the_parameters: for parameter in the_parameters: show_parameter_value(parameter) except Exception as inst: show_error_message(parameter_container, inst) button = QPushButton('Show parameters') # noinspection PyUnresolvedReferences button.clicked.connect( partial(show_parameter, the_parameter_container=parameter_container)) validate_button = QPushButton('Validate parameters') # noinspection PyUnresolvedReferences validate_button.clicked.connect( partial(show_parameter, the_parameter_container=parameter_container3)) widget = QWidget() layout = QGridLayout() layout.addWidget(parameter_container) layout.addWidget(button) layout.addWidget(parameter_container2) layout.addWidget(parameter_container3) layout.addWidget(validate_button) widget.setLayout(layout) widget.setGeometry(0, 0, 500, 500) widget.show() sys.exit(app.exec_())