def __init__(self, parent, allow_empty=False, bottom=float("-inf"), top=float("inf"), default_text=""): super().__init__(parent) self.dv = QDoubleValidator(parent) self.allow_empty = allow_empty self.default_text = default_text self.dv.setLocale(QLocale.c()) self.setBottom(bottom) self.setTop(top)
class FloatOrEmptyValidator(QValidator): def __init__(self, parent): super().__init__(parent) self.dv = QDoubleValidator(parent) self.dv.setLocale(QLocale.c()) def validate(self, s, pos): if len(s) == 0: return (QValidator.Acceptable, s, pos) if "," in s: return (QValidator.Invalid, s, pos) else: return self.dv.validate(s, pos)
def __init__(self, parent, allow_empty=False, bottom=float("-inf"), top=float("inf"), default_text=""): self.dv = QDoubleValidator(parent) self.valid_type = float super().__init__(parent, allow_empty=allow_empty, bottom=bottom, top=top, default_text=default_text)
def __init__(self): super().__init__() self.data = None self.test_data = None self.preprocessor = None self.train_data_missing_vals = False self.test_data_missing_vals = False self.scorers = [] self.__pending_comparison_criterion = self.comparison_criterion #: An Ordered dictionary with current inputs and their testing results. self.learners = OrderedDict() # type: Dict[Any, Input] self.__state = State.Waiting # Do we need to [re]test any learners, set by _invalidate and # cleared by __update self.__needupdate = False self.__task = None # type: Optional[TaskState] self.__executor = ThreadExecutor() sbox = gui.vBox(self.controlArea, "Sampling") rbox = gui.radioButtons(sbox, self, "resampling", callback=self._param_changed) gui.appendRadioButton(rbox, "Cross validation") ibox = gui.indentedBox(rbox) gui.comboBox(ibox, self, "n_folds", label="Number of folds: ", items=[str(x) for x in self.NFolds], maximumContentsLength=3, orientation=Qt.Horizontal, callback=self.kfold_changed) gui.checkBox(ibox, self, "cv_stratified", "Stratified", callback=self.kfold_changed) gui.appendRadioButton(rbox, "Cross validation by feature") ibox = gui.indentedBox(rbox) self.feature_model = DomainModel(order=DomainModel.METAS, valid_types=DiscreteVariable) self.features_combo = gui.comboBox(ibox, self, "fold_feature", model=self.feature_model, orientation=Qt.Horizontal, callback=self.fold_feature_changed) gui.appendRadioButton(rbox, "Random sampling") ibox = gui.indentedBox(rbox) gui.comboBox(ibox, self, "n_repeats", label="Repeat train/test: ", items=[str(x) for x in self.NRepeats], maximumContentsLength=3, orientation=Qt.Horizontal, callback=self.shuffle_split_changed) gui.comboBox(ibox, self, "sample_size", label="Training set size: ", items=["{} %".format(x) for x in self.SampleSizes], maximumContentsLength=5, orientation=Qt.Horizontal, callback=self.shuffle_split_changed) gui.checkBox(ibox, self, "shuffle_stratified", "Stratified", callback=self.shuffle_split_changed) gui.appendRadioButton(rbox, "Leave one out") gui.appendRadioButton(rbox, "Test on train data") gui.appendRadioButton(rbox, "Test on test data") self.cbox = gui.vBox(self.controlArea, "Target Class") self.class_selection_combo = gui.comboBox( self.cbox, self, "class_selection", items=[], sendSelectedValue=True, valueType=str, callback=self._on_target_class_changed, contentsLength=8) self.modcompbox = box = gui.vBox(self.controlArea, "Model Comparison") gui.comboBox(box, self, "comparison_criterion", model=PyListModel(), callback=self.update_comparison_table) hbox = gui.hBox(box) gui.checkBox(hbox, self, "use_rope", "Negligible difference: ", callback=self._on_use_rope_changed) gui.lineEdit(hbox, self, "rope", validator=QDoubleValidator(), controlWidth=70, callback=self.update_comparison_table, alignment=Qt.AlignRight) self.controls.rope.setEnabled(self.use_rope) gui.rubber(self.controlArea) self.score_table = ScoreTable(self) self.score_table.shownScoresChanged.connect(self.update_stats_model) view = self.score_table.view view.setSizeAdjustPolicy(view.AdjustToContents) box = gui.vBox(self.mainArea, "Evaluation Results") box.layout().addWidget(self.score_table.view) self.compbox = box = gui.vBox(self.mainArea, box="Model comparison") table = self.comparison_table = QTableWidget( wordWrap=False, editTriggers=QTableWidget.NoEditTriggers, selectionMode=QTableWidget.NoSelection) table.setSizeAdjustPolicy(table.AdjustToContents) header = table.verticalHeader() header.setSectionResizeMode(QHeaderView.Fixed) header.setSectionsClickable(False) header = table.horizontalHeader() header.setTextElideMode(Qt.ElideRight) header.setDefaultAlignment(Qt.AlignCenter) header.setSectionsClickable(False) header.setStretchLastSection(False) header.setSectionResizeMode(QHeaderView.ResizeToContents) avg_width = self.fontMetrics().averageCharWidth() header.setMinimumSectionSize(8 * avg_width) header.setMaximumSectionSize(15 * avg_width) header.setDefaultSectionSize(15 * avg_width) box.layout().addWidget(table) box.layout().addWidget( QLabel( "<small>Table shows probabilities that the score for the model in " "the row is higher than that of the model in the column. " "Small numbers show the probability that the difference is " "negligible.</small>", wordWrap=True))
def __init__(self, parent): super().__init__(parent) self.dv = QDoubleValidator(parent) self.dv.setLocale(QLocale.c())
class prob_float(float): # pylint: disable=invalid-name validator = QDoubleValidator(0, 1, 5)
class pos_float(float): # pylint: disable=invalid-name validator = QDoubleValidator() validator.setBottom(0.0001)
class any_float(float): # pylint: disable=invalid-name validator = QDoubleValidator()
class FloatOrEmptyValidator(QValidator): def __init__(self, parent, allow_empty=False, bottom=float("-inf"), top=float("inf"), default_text=""): super().__init__(parent) self.dv = QDoubleValidator(parent) self.allow_empty = allow_empty self.default_text = default_text self.dv.setLocale(QLocale.c()) self.setBottom(bottom) self.setTop(top) def setDefault(self, s): self.default_text = s def setBottom(self, b): self.dv.setBottom(b) def setTop(self, t): self.dv.setTop(t) def fixup(self, p_str): # = only called at editingFinished so an Orange controlled value can still contain # invalid, because they are synchronized and every change # = called before returnPressedHandler try: f = float(p_str) if f > self.dv.top(): return str(self.dv.top()) if f < self.dv.bottom(): return str(self.dv.bottom()) except ValueError: return self.default_text def validate(self, s, pos): if self.allow_empty and len(s) == 0: return (QValidator.Acceptable, s, pos) if "," in s: return (QValidator.Invalid, s, pos) else: return self.dv.validate(s, pos)
class FloatOrEmptyValidator(QValidator): def __init__(self, parent, allow_empty=False, bottom=float("-inf"), top=float("inf"), default_text=""): super().__init__(parent) self.dv = QDoubleValidator(parent) self.allow_empty = allow_empty self.default_text = default_text self.dv.setLocale(QLocale.c()) self.setBottom(bottom) self.setTop(top) def setDefault(self, s): self.default_text = s def setBottom(self, b): self.dv.setBottom(b) def setTop(self, t): self.dv.setTop(t) def fixup(self, p_str): # = only called at editingFinished so an Orange controlled value can still contain # invalid, because they are synchronized and every change # = called before returnPressedHandler try: f = float(p_str) if f > self.dv.top(): return str(self.dv.top()) if f < self.dv.bottom(): return str(self.dv.bottom()) except ValueError: return self.default_text def validate(self, s, pos): if self.allow_empty and len(s) == 0: return (QValidator.Acceptable, s, pos) if "," in s: return (QValidator.Invalid, s, pos) else: return self.dv.validate(s, pos)
def __init__(self): super().__init__() self.data = None # type: Optional[Orange.data.Table] self.learner = None # type: Optional[Learner] self.default_learner = SimpleTreeLearner(min_instances=10, max_depth=10) self.modified = False self.executor = qconcurrent.ThreadExecutor(self) self.__task = None main_layout = QVBoxLayout() main_layout.setContentsMargins(10, 10, 10, 10) self.controlArea.layout().addLayout(main_layout) box = gui.vBox(None, "Default Method") main_layout.addWidget(box) box_layout = QGridLayout() box_layout.setSpacing(8) box.layout().addLayout(box_layout) button_group = QButtonGroup() button_group.buttonClicked[int].connect(self.set_default_method) for i, (method, _) in enumerate(list(METHODS.items())[1:-1]): imputer = self.create_imputer(method) button = QRadioButton(imputer.name) button.setChecked(method == self.default_method_index) button_group.addButton(button, method) box_layout.addWidget(button, i % 3, i // 3) def set_default_time(datetime): datetime = datetime.toSecsSinceEpoch() if datetime != self.default_time: self.default_time = datetime if self.default_method_index == Method.Default: self._invalidate() hlayout = QHBoxLayout() box.layout().addLayout(hlayout) button = QRadioButton("Fixed values; numeric variables:") button_group.addButton(button, Method.Default) button.setChecked(Method.Default == self.default_method_index) hlayout.addWidget(button) locale = QLocale() locale.setNumberOptions(locale.NumberOption.RejectGroupSeparator) validator = QDoubleValidator() validator.setLocale(locale) self.numeric_value_widget = le = gui.lineEdit( None, self, "default_numeric", validator=validator, alignment=Qt.AlignRight, callback=self._invalidate, enabled=self.default_method_index == Method.Default) hlayout.addWidget(le) hlayout.addWidget(QLabel(", time:")) self.time_widget = gui.DateTimeEditWCalendarTime(self) self.time_widget.setEnabled( self.default_method_index == Method.Default) self.time_widget.setKeyboardTracking(False) self.time_widget.setContentsMargins(0, 0, 0, 0) self.time_widget.set_datetime( QDateTime.fromSecsSinceEpoch(self.default_time)) self.connect_control( "default_time", lambda value: self.time_widget.set_datetime( QDateTime.fromSecsSinceEpoch(value))) self.time_widget.dateTimeChanged.connect(set_default_time) hlayout.addWidget(self.time_widget) self.default_button_group = button_group box = QGroupBox(title=self.tr("Individual Attribute Settings"), flat=False) main_layout.addWidget(box) horizontal_layout = QHBoxLayout(box) main_layout.addWidget(box) self.varview = ListViewSearch( selectionMode=QListView.ExtendedSelection, uniformItemSizes=True) self.varview.setItemDelegate(DisplayFormatDelegate()) self.varmodel = itemmodels.VariableListModel() self.varview.setModel(self.varmodel) self.varview.selectionModel().selectionChanged.connect( self._on_var_selection_changed) self.selection = self.varview.selectionModel() horizontal_layout.addWidget(self.varview) vertical_layout = QVBoxLayout(margin=0) self.methods_container = QWidget(enabled=False) method_layout = QVBoxLayout(margin=0) self.methods_container.setLayout(method_layout) button_group = QButtonGroup() for method in Method: imputer = self.create_imputer(method) button = QRadioButton(text=imputer.name) button_group.addButton(button, method) method_layout.addWidget(button) self.value_combo = QComboBox( minimumContentsLength=8, sizeAdjustPolicy=QComboBox.AdjustToMinimumContentsLength, activated=self._on_value_selected) self.value_double = QDoubleSpinBox( editingFinished=self._on_value_selected, minimum=-1000., maximum=1000., singleStep=.1, decimals=3, ) self.value_stack = value_stack = QStackedWidget() value_stack.addWidget(self.value_combo) value_stack.addWidget(self.value_double) method_layout.addWidget(value_stack) button_group.buttonClicked[int].connect( self.set_method_for_current_selection) self.reset_button = QPushButton( "Restore All to Default", enabled=False, default=False, autoDefault=False, clicked=self.reset_variable_state, ) vertical_layout.addWidget(self.methods_container) vertical_layout.addStretch(2) vertical_layout.addWidget(self.reset_button) horizontal_layout.addLayout(vertical_layout) self.variable_button_group = button_group box = gui.auto_apply(self.controlArea, self, "autocommit") box.button.setFixedWidth(180) box.layout().insertStretch(0) self.info.set_input_summary(self.info.NoInput) self.info.set_output_summary(self.info.NoOutput)
def __init__(self, *args, thresholds=(0.0, 1.0), center=None, **kwargs): super().__init__(*args, **kwargs) low = round(clip(thresholds[0], 0., 1.), 2) high = round(clip(thresholds[1], 0., 1.), 2) high = max(low, high) self.__threshold_low, self.__threshold_high = low, high self.__center = center form = QFormLayout(formAlignment=Qt.AlignLeft, labelAlignment=Qt.AlignLeft, fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow) form.setContentsMargins(0, 0, 0, 0) self.gradient_cb = QComboBox( None, objectName="gradient-combo-box", ) self.gradient_cb.setAttribute(Qt.WA_LayoutUsesWidgetRect) icsize = self.style().pixelMetric(QStyle.PM_SmallIconSize, None, self.gradient_cb) self.gradient_cb.setIconSize(QSize(64, icsize)) model = itemmodels.ContinuousPalettesModel() model.setParent(self) self.gradient_cb.setModel(model) self.gradient_cb.activated[int].connect(self.activated) self.gradient_cb.currentIndexChanged.connect(self.currentIndexChanged) if center is not None: def __on_center_changed(): self.__center = float(self.center_edit.text() or "0") self.centerChanged.emit(self.__center) self.center_box = QWidget() center_layout = QHBoxLayout() self.center_box.setLayout(center_layout) width = QFontMetrics(self.font()).boundingRect("9999999").width() self.center_edit = QLineEdit(text=f"{self.__center}", maximumWidth=width, placeholderText="0", alignment=Qt.AlignRight) self.center_edit.setValidator(QDoubleValidator()) self.center_edit.editingFinished.connect(__on_center_changed) center_layout.setContentsMargins(0, 0, 0, 0) center_layout.addStretch(1) center_layout.addWidget(QLabel("Centered at")) center_layout.addWidget(self.center_edit) self.gradient_cb.currentIndexChanged.connect( self.__update_center_visibility) else: self.center_box = None slider_low = Slider(objectName="threshold-low-slider", minimum=0, maximum=100, value=int(low * 100), orientation=Qt.Horizontal, tickPosition=QSlider.TicksBelow, pageStep=10, toolTip=self.tr("Low gradient threshold"), whatsThis=self.tr( "Applying a low threshold will squeeze the " "gradient from the lower end")) slider_high = Slider(objectName="threshold-low-slider", minimum=0, maximum=100, value=int(high * 100), orientation=Qt.Horizontal, tickPosition=QSlider.TicksAbove, pageStep=10, toolTip=self.tr("High gradient threshold"), whatsThis=self.tr( "Applying a high threshold will squeeze the " "gradient from the higher end")) form.setWidget(0, QFormLayout.SpanningRole, self.gradient_cb) if self.center_box: form.setWidget(1, QFormLayout.SpanningRole, self.center_box) form.addRow(self.tr("Low:"), slider_low) form.addRow(self.tr("High:"), slider_high) self.slider_low = slider_low self.slider_high = slider_high self.slider_low.valueChanged.connect(self.__on_slider_low_moved) self.slider_high.valueChanged.connect(self.__on_slider_high_moved) self.setLayout(form)
def __init__(self): super().__init__() self.data = None self.test_data = None self.preprocessor = None self.train_data_missing_vals = False self.test_data_missing_vals = False self.scorers = [] self.__pending_comparison_criterion = self.comparison_criterion #: An Ordered dictionary with current inputs and their testing results. self.learners = OrderedDict() # type: Dict[Any, Input] self.__state = State.Waiting # Do we need to [re]test any learners, set by _invalidate and # cleared by __update self.__needupdate = False self.__task = None # type: Optional[TaskState] self.__executor = ThreadExecutor() sbox = gui.vBox(self.controlArea, "抽样") rbox = gui.radioButtons( sbox, self, "resampling", callback=self._param_changed) gui.appendRadioButton(rbox, "交叉验证(Cross validation)") ibox = gui.indentedBox(rbox) gui.comboBox( ibox, self, "n_folds", label="折叠次数(Number of folds): ", items=[str(x) for x in self.NFolds], maximumContentsLength=3, orientation=Qt.Horizontal, callback=self.kfold_changed) gui.checkBox( ibox, self, "cv_stratified", "分层(Stratified)", callback=self.kfold_changed) gui.appendRadioButton(rbox, "按特征交叉验证(Cross validation by feature)") ibox = gui.indentedBox(rbox) self.feature_model = DomainModel( order=DomainModel.METAS, valid_types=DiscreteVariable) self.features_combo = gui.comboBox( ibox, self, "fold_feature", model=self.feature_model, orientation=Qt.Horizontal, callback=self.fold_feature_changed) gui.appendRadioButton(rbox, "随机抽样(Random sampling)") ibox = gui.indentedBox(rbox) gui.comboBox( ibox, self, "n_repeats", label="重复训练/测试: ", items=[str(x) for x in self.NRepeats], maximumContentsLength=3, orientation=Qt.Horizontal, callback=self.shuffle_split_changed) gui.comboBox( ibox, self, "sample_size", label="训练集大小: ", items=["{} %".format(x) for x in self.SampleSizes], maximumContentsLength=5, orientation=Qt.Horizontal, callback=self.shuffle_split_changed) gui.checkBox( ibox, self, "shuffle_stratified", "分层(Stratified)", callback=self.shuffle_split_changed) gui.appendRadioButton(rbox, "留一法(Leave one out)") gui.appendRadioButton(rbox, "测试训练数据") gui.appendRadioButton(rbox, "测试测试数据") self.cbox = gui.vBox(self.controlArea, "目标类别") self.class_selection_combo = gui.comboBox( self.cbox, self, "class_selection", items=[], sendSelectedValue=True, valueType=str, callback=self._on_target_class_changed, contentsLength=8) self.modcompbox = box = gui.vBox(self.controlArea, "模型比较") gui.comboBox( box, self, "comparison_criterion", model=PyListModel(), callback=self.update_comparison_table) hbox = gui.hBox(box) gui.checkBox(hbox, self, "use_rope", "可忽略区别: ", callback=self._on_use_rope_changed) gui.lineEdit(hbox, self, "rope", validator=QDoubleValidator(), controlWidth=70, callback=self.update_comparison_table, alignment=Qt.AlignRight) self.controls.rope.setEnabled(self.use_rope) gui.rubber(self.controlArea) self.score_table = ScoreTable(self) self.score_table.shownScoresChanged.connect(self.update_stats_model) view = self.score_table.view view.setSizeAdjustPolicy(view.AdjustToContents) box = gui.vBox(self.mainArea, "评价结果") box.layout().addWidget(self.score_table.view) self.compbox = box = gui.vBox(self.mainArea, box='模型比较') table = self.comparison_table = QTableWidget( wordWrap=False, editTriggers=QTableWidget.NoEditTriggers, selectionMode=QTableWidget.NoSelection) table.setSizeAdjustPolicy(table.AdjustToContents) header = table.verticalHeader() header.setSectionResizeMode(QHeaderView.Fixed) header.setSectionsClickable(False) header = table.horizontalHeader() header.setTextElideMode(Qt.ElideRight) header.setDefaultAlignment(Qt.AlignCenter) header.setSectionsClickable(False) header.setStretchLastSection(False) header.setSectionResizeMode(QHeaderView.ResizeToContents) avg_width = self.fontMetrics().averageCharWidth() header.setMinimumSectionSize(8 * avg_width) header.setMaximumSectionSize(15 * avg_width) header.setDefaultSectionSize(15 * avg_width) box.layout().addWidget(table) box.layout().addWidget(QLabel( "<small>此表显示数值为一概率. 此概率表示\"行模型\"的评价指标大于" "\"列模型\"的评价指标. " "值小说明概率很小, 区别可以忽略不计.</small>", wordWrap=True))
def _create_buttons(self, box): """Create radio buttons""" def intspin(): s = QSpinBox(self) s.setMinimum(2) s.setMaximum(10) s.setFixedWidth(60) s.setAlignment(Qt.AlignRight) s.setContentsMargins(0, 0, 0, 0) return s, s.valueChanged def widthline(validator): s = QLineEdit(self) s.setFixedWidth(60) s.setAlignment(Qt.AlignRight) s.setValidator(validator) s.setContentsMargins(0, 0, 0, 0) return s, s.textChanged def manual_cut_editline(text="", enabled=True) -> QLineEdit: edit = QLineEdit( text=text, placeholderText="e.g. 0.0, 0.5, 1.0", toolTip='<p style="white-space:pre">' + 'Enter cut points as a comma-separate list of \n' 'strictly increasing numbers e.g. 0.0, 0.5, 1.0).</p>', enabled=enabled, ) edit.setValidator(IncreasingNumbersListValidator()) edit.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Fixed) @edit.textChanged.connect def update(): validator = edit.validator() if validator is not None and edit.text().strip(): state, _, _ = validator.validate(edit.text(), 0) else: state = QValidator.Acceptable palette = edit.palette() colors = { QValidator.Intermediate: (Qt.yellow, Qt.black), QValidator.Invalid: (Qt.red, Qt.black), }.get(state, None) if colors is None: palette = QPalette() else: palette.setColor(QPalette.Base, colors[0]) palette.setColor(QPalette.Text, colors[1]) cr = edit.cursorRect() p = edit.mapToGlobal(cr.bottomRight()) edit.setPalette(palette) if state != QValidator.Acceptable and edit.isVisible(): validator.show_tip(edit, p, edit.toolTip(), textFormat=Qt.RichText) else: validator.show_tip(edit, p, "") return edit, edit.textChanged children = [] def button(id_, *controls, stretch=True): layout = QHBoxLayout() desc = Options[id_] button = QRadioButton(desc.label) button.setToolTip(desc.tooltip) self.button_group.addButton(button, id_) layout.addWidget(button) if controls: if stretch: layout.addStretch(1) for c, signal in controls: layout.addWidget(c) if signal is not None: @signal.connect def arg_changed(): self.button_group.button(id_).setChecked(True) self.update_hints(id_) children.append(layout) button_box.layout().addLayout(layout) return (*controls, (None, ))[0][0] button_box = gui.vBox(box) button_box.layout().setSpacing(0) button_box.setSizePolicy(QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Preferred)) self.button_group = QButtonGroup(self) self.button_group.idClicked.connect(self.update_hints) button(Methods.Keep) button(Methods.Remove) self.binning_spin = button(Methods.Binning, intspin()) validator = QDoubleValidator() validator.setBottom(0) self.width_line = button(Methods.FixedWidth, widthline(validator)) self.width_time_unit = u = QComboBox(self) u.setContentsMargins(0, 0, 0, 0) u.addItems([unit + "(s)" for unit in time_units]) validator = QIntValidator() validator.setBottom(1) self.width_time_line = button(Methods.FixedWidthTime, widthline(validator), (u, u.currentTextChanged)) self.freq_spin = button(Methods.EqualFreq, intspin()) self.width_spin = button(Methods.EqualWidth, intspin()) button(Methods.MDL) self.copy_to_custom = FixedSizeButton( text="CC", toolTip="Copy the current cut points to manual mode") self.copy_to_custom.clicked.connect(self._copy_to_manual) self.threshold_line = button(Methods.Custom, manual_cut_editline(), (self.copy_to_custom, None), stretch=False) button(Methods.Default) maxheight = max(w.sizeHint().height() for w in children) for w in children: w.itemAt(0).widget().setFixedHeight(maxheight) button_box.layout().addStretch(1)