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4.4.3
setoolsgui/apol/sensitivityquery.py
191 строка
7 KB
Chris PeBenito
Replace license text in sources with SPDX license indentifiers.
03 фев 2023, 22:22
03 фев 2023, 22:22
805525d
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# Copyright 2016, Tresys Technology, LLC # # SPDX-License-Identifier: LGPL-2.1-only # # import logging from contextlib import suppress from PyQt5.QtCore import Qt, QSortFilterProxyModel, QStringListModel, QThread from PyQt5.QtGui import QPalette, QTextCursor from PyQt5.QtWidgets import QCompleter, QHeaderView, QMessageBox, QProgressDialog from setools import SensitivityQuery from ..logtosignal import LogHandlerToSignal from ..models import SEToolsListModel, invert_list_selection from ..mlsmodel import MLSComponentTableModel, sensitivity_detail from .analysistab import AnalysisSection, AnalysisTab from .exception import TabFieldError from .queryupdater import QueryResultsUpdater from .workspace import load_checkboxes, load_lineedits, load_textedits, \ save_checkboxes, save_lineedits, save_textedits class SensitivityQueryTab(AnalysisTab): """Sensitivity browser and query tab.""" section = AnalysisSection.Components tab_title = "MLS Sensitivities" mlsonly = True def __init__(self, parent, policy, perm_map): super(SensitivityQueryTab, self).__init__(parent) self.log = logging.getLogger(__name__) self.policy = policy self.query = SensitivityQuery(policy) self.setupUi() def __del__(self): with suppress(RuntimeError): self.thread.quit() self.thread.wait(5000) logging.getLogger("setools.sensitivityquery").removeHandler(self.handler) def setupUi(self): self.load_ui("apol/sensitivityquery.ui") # populate sensitivity list self.sensitivity_model = SEToolsListModel(self) self.sensitivity_model.item_list = sorted(self.policy.sensitivities()) self.sens.setModel(self.sensitivity_model) # set up results self.table_results_model = MLSComponentTableModel(self) self.sort_proxy = QSortFilterProxyModel(self) self.sort_proxy.setSourceModel(self.table_results_model) self.table_results.setModel(self.sort_proxy) self.table_results.sortByColumn(0, Qt.AscendingOrder) # setup indications of errors on level/range self.errors = set() self.orig_palette = self.name.palette() self.error_palette = self.name.palette() self.error_palette.setColor(QPalette.Base, Qt.red) self.clear_name_error() # set up processing thread self.thread = QThread() self.worker = QueryResultsUpdater(self.query, self.table_results_model) self.worker.moveToThread(self.thread) self.worker.raw_line.connect(self.raw_results.appendPlainText) self.worker.finished.connect(self.update_complete) self.worker.finished.connect(self.thread.quit) self.thread.started.connect(self.worker.update) # create a "busy, please wait" dialog self.busy = QProgressDialog(self) self.busy.setModal(True) self.busy.setRange(0, 0) self.busy.setMinimumDuration(0) self.busy.canceled.connect(self.thread.requestInterruption) self.busy.reset() # update busy dialog from query INFO logs self.handler = LogHandlerToSignal() self.handler.message.connect(self.busy.setLabelText) logging.getLogger("setools.sensitivityquery").addHandler(self.handler) # Ensure settings are consistent with the initial .ui state self.notes.setHidden(not self.notes_expander.isChecked()) # connect signals self.sens.doubleClicked.connect(self.get_detail) self.sens.get_detail.triggered.connect(self.get_detail) self.name.textEdited.connect(self.clear_name_error) self.name.editingFinished.connect(self.set_name) self.name_regex.toggled.connect(self.set_name_regex) self.buttonBox.clicked.connect(self.run) # # Sensitivity browser # def get_detail(self): # .ui is set for single item selection. index = self.sens.selectedIndexes()[0] item = self.sensitivity_model.data(index, Qt.UserRole) self.log.debug("Generating detail window for {0}".format(item)) sensitivity_detail(self, item) # # Name criteria # def clear_name_error(self): self.clear_criteria_error(self.name, "Match the sensitivity name.") def set_name(self): try: self.query.name = self.name.text() except Exception as ex: self.log.error("Sensitivity name error: {0}".format(ex)) self.set_criteria_error(self.name, ex) def set_name_regex(self, state): self.log.debug("Setting name_regex {0}".format(state)) self.query.name_regex = state self.clear_name_error() self.set_name() # # Save/Load tab # def save(self): """Return a dictionary of settings.""" if self.errors: raise TabFieldError("Field(s) are in error: {0}". format(" ".join(o.objectName() for o in self.errors))) settings = {} save_checkboxes(self, settings, ["criteria_expander", "notes_expander", "name_regex"]) save_lineedits(self, settings, ["name"]) save_textedits(self, settings, ["notes"]) return settings def load(self, settings): load_checkboxes(self, settings, ["criteria_expander", "notes_expander", "name_regex"]) load_lineedits(self, settings, ["name"]) load_textedits(self, settings, ["notes"]) # # Results runner # def run(self, button): # right now there is only one button. # start processing self.busy.setLabelText("Processing query...") self.busy.show() self.raw_results.clear() self.thread.start() def update_complete(self, count): self.log.info("{0} categories found.".format(count)) # update sizes/location of result displays if not self.busy.wasCanceled(): self.busy.setLabelText("Resizing the result table's columns; GUI may be unresponsive") self.busy.repaint() self.table_results.resizeColumnsToContents() # If the attrs or alias column widths are too long, pull back # to a reasonable size header = self.table_results.horizontalHeader() if header.sectionSize(1) > 400: header.resizeSection(1, 400) if header.sectionSize(2) > 400: header.resizeSection(2, 400) if not self.busy.wasCanceled(): self.busy.setLabelText("Resizing the result table's rows; GUI may be unresponsive") self.busy.repaint() self.table_results.resizeRowsToContents() if not self.busy.wasCanceled(): self.busy.setLabelText("Moving the raw result to top; GUI may be unresponsive") self.busy.repaint() self.raw_results.moveCursor(QTextCursor.Start) self.busy.reset()