class DebuggerWidget(QMainWindow):
def __init__(self, parent=None):
QMainWindow.__init__(self, parent)
self.setWindowTitle("First Aid - Debugger")
self.text_edits = {} # fully expanded path of the file -> associated SourceWidget
self.toolbar = self.addToolBar("General")
self.toolbar.setObjectName("ToolbarGeneral")
self.tab_widget = QTabWidget()
self.tab_widget.setTabsClosable(True)
self.tab_widget.tabCloseRequested.connect(self.on_tab_close_requested)
self.tab_widget.currentChanged.connect(self.on_pos_changed)
self.setCentralWidget(self.tab_widget)
_icon = lambda x: QIcon(os.path.join(os.path.dirname(__file__), "icons", x + ".svg"))
self.action_load = self.toolbar.addAction(_icon("folder-outline"), "Load Python file (Ctrl+O)", self.on_load)
self.action_load.setShortcut("Ctrl+O")
self.action_run = self.toolbar.addAction(_icon("run"), "Run Python file (Ctrl+R)", self.on_run)
self.action_run.setShortcut("Ctrl+R")
self.action_bp = self.toolbar.addAction(_icon("record"), "Toggle breakpoint (F9)", self.on_toggle_breakpoint)
self.action_bp.setShortcut("F9")
self.toolbar.addSeparator()
self.action_continue = self.toolbar.addAction(_icon("play"), "Continue (F5)", self.on_continue)
self.action_continue.setShortcut("F5")
self.action_step_into = self.toolbar.addAction(_icon("debug-step-into"), "Step into (F11)", self.on_step_into)
self.action_step_into.setShortcut("F11")
self.action_step_over = self.toolbar.addAction(_icon("debug-step-over"), "Step over (F10)", self.on_step_over)
self.action_step_over.setShortcut("F10")
self.action_step_out = self.toolbar.addAction(_icon("debug-step-out"), "Step out (Shift+F11)", self.on_step_out)
self.action_step_out.setShortcut("Shift+F11")
self.action_run_to_cursor = self.toolbar.addAction(_icon("cursor-default-outline"), "Run to cursor (Ctrl+F10)",
self.on_run_to_cursor)
self.action_run_to_cursor.setShortcut("Ctrl+F10")
self.vars_view = VariablesView()
self.frames_view = FramesView()
self.dock_frames = QDockWidget("Frames", self)
self.dock_frames.setObjectName("DockFrames")
self.dock_frames.setWidget(self.frames_view)
self.addDockWidget(Qt.BottomDockWidgetArea, self.dock_frames)
self.dock_vars = QDockWidget("Variables", self)
self.dock_vars.setObjectName("DockVariables")
self.dock_vars.setWidget(self.vars_view)
self.addDockWidget(Qt.BottomDockWidgetArea, self.dock_vars)
self.resize(800, 800)
self.debugger = Debugger(self)
self.update_buttons()
settings = QSettings()
self.restoreGeometry(settings.value("/plugins/firstaid/debugger-geometry", b''))
self.restoreState(settings.value("/plugins/firstaid/debugger-windowstate", b''))
filenames = settings.value("/plugins/firstaid/debugger-files", [])
if filenames is None:
filenames = []
# load files from previous session
for filename in filenames:
self.load_file(filename)
if self.tab_widget.count() > 1:
self.tab_widget.setCurrentIndex(0)
# start tracing
self.start_tracing()
def start_tracing(self):
""" called from constructor or when the debugger window is opened again """
sys.settrace(self.debugger.trace_function)
def closeEvent(self, event):
# disable tracing
sys.settrace(None)
settings = QSettings()
settings.setValue("/plugins/firstaid/debugger-geometry", self.saveGeometry())
settings.setValue("/plugins/firstaid/debugger-windowstate", self.saveState())
filenames = list(self.text_edits.keys())
settings.setValue("/plugins/firstaid/debugger-files", filenames)
QMainWindow.closeEvent(self, event)
def load_file(self, filename):
filename = os.path.normpath(os.path.realpath(filename))
if filename in self.text_edits:
self.switch_to_file(filename)
return # already there...
try:
self.text_edits[filename] = SourceWidget(filename)
except IOError:
# TODO: display warning we failed to read the file
return
tab_text = os.path.basename(filename)
self.tab_widget.addTab(self.text_edits[filename], tab_text)
self.tab_widget.setTabToolTip(self.tab_widget.count() - 1, filename)
self.tab_widget.setCurrentWidget(self.text_edits[filename])
self.text_edits[filename].cursorPositionChanged.connect(self.on_pos_changed)
self.on_pos_changed()
def switch_to_file(self, filename):
if filename in self.text_edits:
self.tab_widget.setCurrentWidget(self.text_edits[filename])
def unload_file(self, filename):
for index in range(self.tab_widget.count()):
if self.text_edits[filename] == self.tab_widget.widget(index):
self.tab_widget.removeTab(index)
del self.text_edits[filename]
break
def get_file_name(self, args):
if isinstance(args, tuple):
return args[0]
elif isinstance(args, str):
return args
return ""
def on_load(self):
settings = QSettings()
folder = settings.value("firstaid/lastFolder", '')
args = QFileDialog.getOpenFileName(self, "Load", folder, "Python files (*.py)")
filename = self.get_file_name(args)
if not filename: return
settings.setValue("firstaid/lastFolder", os.path.dirname(filename))
self.load_file(filename)
def on_tab_close_requested(self, index):
self.unload_file(self.tab_widget.widget(index).filename)
def on_pos_changed(self):
if not self.current_text_edit():
self.statusBar().showMessage("[no file]")
return
c = self.current_text_edit().textCursor()
line = c.blockNumber() + 1
col = c.positionInBlock() + 1
self.statusBar().showMessage("%d:%d" % (line, col))
def on_run(self):
globals = None
locals = None
if globals is None:
import __main__
globals = __main__.__dict__
if locals is None:
locals = globals
execfile(self.tab_widget.currentWidget().filename, globals, locals)
def current_text_edit(self):
return self.tab_widget.currentWidget()
def on_toggle_breakpoint(self):
if self.current_text_edit():
self.current_text_edit().toggle_breakpoint()
def update_buttons(self):
active = self.debugger.stopped
self.action_step_into.setEnabled(active)
self.action_step_over.setEnabled(active)
self.action_step_out.setEnabled(active)
self.action_run_to_cursor.setEnabled(active)
self.action_continue.setEnabled(active)
def on_step_into(self):
self.debugger.stepping = True
self.debugger.next_step = None
self.debugger.ev_loop.exit(0)
def on_step_over(self):
self.debugger.stepping = True
self.debugger.next_step = (
'over', self.debugger.current_frame.f_code.co_filename, self.debugger.current_frame.f_lineno)
self.debugger.ev_loop.exit(0)
def on_step_out(self):
self.debugger.stepping = True
self.debugger.next_step = ('out', frame_depth(self.debugger.current_frame))
self.debugger.ev_loop.exit(0)
def on_run_to_cursor(self):
self.debugger.stepping = True
filename = self.tab_widget.currentWidget().filename
line_no = self.tab_widget.currentWidget().textCursor().blockNumber() + 1
self.debugger.next_step = ('at', filename, line_no)
self.debugger.ev_loop.exit(0)
def on_continue(self):
self.debugger.stepping = False
self.current_text_edit().debug_line = -1
self.current_text_edit().update_highlight()
self.vars_view.setVariables({})
self.frames_view.setTraceback(None)
self.debugger.ev_loop.exit(0)
class AttributesTable(QWidget):
def __init__(self, iface):
QWidget.__init__(self)
self.setWindowTitle(self.tr('Search results'))
self.resize(480,320)
self.setMinimumSize(320,240)
self.center()
# Results export button
self.btn_saveTab = QAction(QIcon(':/plugins/qgeric/resources/icon_save.png'), self.tr('Save this tab\'s results'), self)
self.btn_saveTab.triggered.connect(lambda : self.saveAttributes(True))
self.btn_saveAllTabs = QAction(QIcon(':/plugins/qgeric/resources/icon_saveAll.png'), self.tr('Save all results'), self)
self.btn_saveAllTabs.triggered.connect(lambda : self.saveAttributes(False))
self.btn_export = QAction(QIcon(':/plugins/qgeric/resources/icon_export.png'), self.tr('Export the selection as a memory layer'), self)
self.btn_export.triggered.connect(self.exportLayer)
self.btn_zoom = QAction(QIcon(':/plugins/qgeric/resources/icon_Zoom.png'), self.tr('Zoom to selected attributes'), self)
self.btn_zoom.triggered.connect(self.zoomToFeature)
self.btn_selectGeom = QAction(QIcon(':/plugins/qgeric/resources/icon_HlG.png'), self.tr('Highlight feature\'s geometry'), self)
self.btn_selectGeom.triggered.connect(self.selectGeomChanged)
self.btn_rename = QAction(QIcon(':/plugins/qgeric/resources/icon_Settings.png'), self.tr('Settings'), self)
self.btn_rename.triggered.connect(self.renameWindow)
self.tabWidget = QTabWidget() # Tab container
self.tabWidget.setTabsClosable(True)
self.tabWidget.currentChanged.connect(self.highlight_features)
self.tabWidget.tabCloseRequested.connect(self.closeTab)
self.loadingWindow = QProgressDialog()
self.loadingWindow.setWindowTitle(self.tr('Loading...'))
self.loadingWindow.setRange(0,100)
self.loadingWindow.setAutoClose(False)
self.loadingWindow.setCancelButton(None)
self.canvas = iface.mapCanvas()
self.canvas.extentsChanged.connect(self.highlight_features)
self.highlight = []
self.highlight_rows = []
toolbar = QToolBar()
toolbar.addAction(self.btn_saveTab)
toolbar.addAction(self.btn_saveAllTabs)
toolbar.addAction(self.btn_export)
toolbar.addSeparator()
toolbar.addAction(self.btn_zoom)
toolbar.addSeparator()
toolbar.addAction(self.btn_selectGeom)
toolbar.addAction(self.btn_rename)
vbox = QVBoxLayout()
vbox.setContentsMargins(0,0,0,0)
vbox.addWidget(toolbar)
vbox.addWidget(self.tabWidget)
self.setLayout(vbox)
self.mb = iface.messageBar()
self.selectGeom = False # False for point, True for geometry
def renameWindow(self):
title, ok = QInputDialog.getText(self, self.tr('Rename window'), self.tr('Enter a new title:'))
if ok:
self.setWindowTitle(title)
def closeTab(self, index):
self.tabWidget.widget(index).deleteLater()
self.tabWidget.removeTab(index)
def selectGeomChanged(self):
if self.selectGeom:
self.selectGeom = False
self.btn_selectGeom.setText(self.tr('Highlight feature\'s geometry'))
self.btn_selectGeom.setIcon(QIcon(':/plugins/qgeric/resources/icon_HlG.png'))
else:
self.selectGeom = True
self.btn_selectGeom.setText(self.tr('Highlight feature\'s centroid'))
self.btn_selectGeom.setIcon(QIcon(':/plugins/qgeric/resources/icon_HlC.png'))
self.highlight_features()
def exportLayer(self):
if self.tabWidget.count() != 0:
index = self.tabWidget.currentIndex()
table = self.tabWidget.widget(index).findChildren(QTableWidget)[0]
items = table.selectedItems()
if len(items) > 0:
type = ''
if items[0].feature.geometry().type() == QgsWkbTypes.PointGeometry:
type = 'Point'
elif items[0].feature.geometry().type() == QgsWkbTypes.LineGeometry:
type = 'LineString'
else:
type = 'Polygon'
features = []
for item in items:
if item.feature not in features:
features.append(item.feature)
name = ''
ok = True
while not name.strip() and ok == True:
name, ok = QInputDialog.getText(self, self.tr('Layer name'), self.tr('Give a name to the layer:'))
if ok:
layer = QgsVectorLayer(type+"?crs="+table.crs.authid(),name,"memory")
layer.startEditing()
layer.dataProvider().addAttributes(features[0].fields().toList())
layer.dataProvider().addFeatures(features)
layer.commitChanges()
QgsProject.instance().addMapLayer(layer)
else:
self.mb.pushWarning(self.tr('Warning'), self.tr('There is no selected feature !'))
def highlight_features(self):
for item in self.highlight:
self.canvas.scene().removeItem(item)
del self.highlight[:]
del self.highlight_rows[:]
index = self.tabWidget.currentIndex()
tab = self.tabWidget.widget(index)
if self.tabWidget.count() != 0:
table = self.tabWidget.widget(index).findChildren(QTableWidget)[0]
nb = 0
area = 0
length = 0
items = table.selectedItems()
for item in items:
if item.row() not in self.highlight_rows:
if self.selectGeom:
highlight = QgsHighlight(self.canvas, item.feature.geometry(), self.tabWidget.widget(index).layer)
else:
highlight = QgsHighlight(self.canvas, item.feature.geometry().centroid(), self.tabWidget.widget(index).layer)
highlight.setColor(QColor(255,0,0))
self.highlight.append(highlight)
self.highlight_rows.append(item.row())
g = QgsGeometry(item.feature.geometry())
g.transform(QgsCoordinateTransform(tab.layer.crs(), QgsCoordinateReferenceSystem(2154), QgsProject.instance())) # geometry reprojection to get meters
nb += 1
area += g.area()
length += g.length()
if tab.layer.geometryType()==QgsWkbTypes.PolygonGeometry:
tab.sb.showMessage(self.tr('Selected features')+': '+str(nb)+' '+self.tr('Area')+': '+"%.2f"%area+' m'+u'²')
elif tab.layer.geometryType()==QgsWkbTypes.LineGeometry:
tab.sb.showMessage(self.tr('Selected features')+': '+str(nb)+' '+self.tr('Length')+': '+"%.2f"%length+' m')
else:
tab.sb.showMessage(self.tr('Selected features')+': '+str(nb))
def tr(self, message):
return QCoreApplication.translate('Qgeric', message)
def zoomToFeature(self):
index = self.tabWidget.currentIndex()
table = self.tabWidget.widget(index).findChildren(QTableWidget)[0]
items = table.selectedItems()
feat_id = []
for item in items:
feat_id.append(item.feature.id())
if len(feat_id) >= 1:
if len(feat_id) == 1:
self.canvas.setExtent(items[0].feature.geometry().buffer(5, 0).boundingBox()) # in case of a single point, it will still zoom to it
else:
self.canvas.zoomToFeatureIds(self.tabWidget.widget(self.tabWidget.currentIndex()).layer, feat_id)
self.canvas.refresh()
# Add a new tab
def addLayer(self, layer, headers, types, features):
tab = QWidget()
tab.layer = layer
p1_vertical = QVBoxLayout(tab)
p1_vertical.setContentsMargins(0,0,0,0)
table = QTableWidget()
table.itemSelectionChanged.connect(self.highlight_features)
table.title = layer.name()
table.crs = layer.crs()
table.setColumnCount(len(headers))
if len(features) > 0:
table.setRowCount(len(features))
nbrow = len(features)
self.loadingWindow.show()
self.loadingWindow.setLabelText(table.title)
self.loadingWindow.activateWindow()
self.loadingWindow.showNormal()
# Table population
m = 0
for feature in features:
n = 0
for cell in feature.attributes():
item = QTableWidgetItem()
item.setData(Qt.DisplayRole, cell)
item.setFlags(item.flags() ^ Qt.ItemIsEditable)
item.feature = feature
table.setItem(m, n, item)
n += 1
m += 1
self.loadingWindow.setValue(int((float(m)/nbrow)*100))
QApplication.processEvents()
else:
table.setRowCount(0)
table.setHorizontalHeaderLabels(headers)
table.horizontalHeader().setSectionsMovable(True)
table.types = types
table.filter_op = []
table.filters = []
for i in range(0, len(headers)):
table.filters.append('')
table.filter_op.append(0)
header = table.horizontalHeader()
header.setContextMenuPolicy(Qt.CustomContextMenu)
header.customContextMenuRequested.connect(partial(self.filterMenu, table))
table.setSortingEnabled(True)
p1_vertical.addWidget(table)
# Status bar to display informations (ie: area)
tab.sb = QStatusBar()
p1_vertical.addWidget(tab.sb)
title = table.title
# We reduce the title's length to 20 characters
if len(title)>20:
title = title[:20]+'...'
# We add the number of elements to the tab's title.
title += ' ('+str(len(features))+')'
self.tabWidget.addTab(tab, title) # Add the tab to the conatiner
self.tabWidget.setTabToolTip(self.tabWidget.indexOf(tab), table.title) # Display a tooltip with the layer's full name
def filterMenu(self, table, pos):
index = table.columnAt(pos.x())
menu = QMenu()
filter_operation = QComboBox()
if table.types[index] in [10]:
filter_operation.addItems([self.tr('Contains'),self.tr('Equals')])
else:
filter_operation.addItems(['=','>','<'])
filter_operation.setCurrentIndex(table.filter_op[index])
action_filter_operation = QWidgetAction(self)
action_filter_operation.setDefaultWidget(filter_operation)
if table.types[index] in [14]:
if not isinstance(table.filters[index], QDate):
filter_value = QDateEdit()
else:
filter_value = QDateEdit(table.filters[index])
elif table.types[index] in [15]:
if not isinstance(table.filters[index], QTime):
filter_value = QTimeEdit()
else:
filter_value = QTimeEdit(table.filters[index])
elif table.types[index] in [16]:
if not isinstance(table.filters[index], QDateTime):
filter_value = QDateTimeEdit()
else:
filter_value = QDateTimeEdit(table.filters[index])
else:
filter_value = QLineEdit(table.filters[index])
action_filter_value = QWidgetAction(self)
action_filter_value.setDefaultWidget(filter_value)
menu.addAction(action_filter_operation)
menu.addAction(action_filter_value)
action_filter_apply = QAction(self.tr('Apply'), self)
action_filter_apply.triggered.connect(partial(self.applyFilter, table, index, filter_value, filter_operation))
action_filter_cancel = QAction(self.tr('Cancel'), self)
action_filter_cancel.triggered.connect(partial(self.applyFilter, table, index, None, filter_operation))
menu.addAction(action_filter_apply)
menu.addAction(action_filter_cancel)
menu.exec_(QtGui.QCursor.pos())
def applyFilter(self, table, index, filter_value, filter_operation):
if filter_value == None:
table.filters[index] = None
else:
if isinstance(filter_value, QDateEdit):
table.filters[index] = filter_value.date()
elif isinstance(filter_value, QTimeEdit):
table.filters[index] = filter_value.time()
elif isinstance(filter_value, QDateTimeEdit):
table.filters[index] = filter_value.dateTime()
else:
table.filters[index] = filter_value.text()
table.filter_op[index] = filter_operation.currentIndex()
nb_elts = 0
for i in range(0, table.rowCount()):
table.setRowHidden(i, False)
nb_elts += 1
hidden_rows = []
for nb_col in range(0, table.columnCount()):
filtered = False
header = table.horizontalHeaderItem(nb_col).text()
valid = False
if table.filters[nb_col] is not None:
if type(table.filters[nb_col]) in [QDate, QTime, QDateTime]:
valid = True
else:
if table.filters[nb_col].strip():
valid = True
if valid:
filtered = True
items = None
if table.types[nb_col] in [10]:# If it's a string
filter_type = None
if table.filter_op[nb_col] == 0: # Contain
filter_type = Qt.MatchContains
if table.filter_op[nb_col] == 1: # Equal
filter_type = Qt.MatchFixedString
items = table.findItems(table.filters[nb_col], filter_type)
elif table.types[nb_col] in [14, 15, 16]: # If it's a date/time
items = []
for nb_row in range(0, table.rowCount()):
item = table.item(nb_row, nb_col)
if table.filter_op[nb_col] == 0: # =
if item.data(QTableWidgetItem.Type) == table.filters[nb_col]:
items.append(item)
if table.filter_op[nb_col] == 1: # >
if item.data(QTableWidgetItem.Type) > table.filters[nb_col]:
items.append(item)
if table.filter_op[nb_col] == 2: # <
if item.data(QTableWidgetItem.Type) < table.filters[nb_col]:
items.append(item)
else: # If it's a number
items = []
for nb_row in range(0, table.rowCount()):
item = table.item(nb_row, nb_col)
if item.text().strip():
if table.filter_op[nb_col] == 0: # =
if float(item.text()) == float(table.filters[nb_col]):
items.append(item)
if table.filter_op[nb_col] == 1: # >
if float(item.text()) > float(table.filters[nb_col]):
items.append(item)
if table.filter_op[nb_col] == 2: # <
if float(item.text()) < float(table.filters[nb_col]):
items.append(item)
rows = []
for item in items:
if item.column() == nb_col:
rows.append(item.row())
for i in range(0, table.rowCount()):
if i not in rows:
if i not in hidden_rows:
nb_elts -= 1
table.setRowHidden(i, True)
hidden_rows.append(i)
if filtered:
if header[len(header)-1] != '*':
table.setHorizontalHeaderItem(nb_col, QTableWidgetItem(header+'*'))
else:
if header[len(header)-1] == '*':
header = header[:-1]
table.setHorizontalHeaderItem(nb_col, QTableWidgetItem(header))
title = self.tabWidget.tabText(self.tabWidget.currentIndex())
for i in reversed(range(len(title))):
if title[i] == ' ':
break
title = title[:-1]
title += '('+str(nb_elts)+')'
self.tabWidget.setTabText(self.tabWidget.currentIndex(), title)
# Save tables in OpenDocument format
# Use odswriter library
def saveAttributes(self, active):
file = QFileDialog.getSaveFileName(self, self.tr('Save in...'),'', self.tr('OpenDocument Spreadsheet (*.ods)'))
if file[0]:
try:
with ods.writer(open(file[0],"wb")) as odsfile:
tabs = None
if active:
tabs = self.tabWidget.currentWidget().findChildren(QTableWidget)
else:
tabs = self.tabWidget.findChildren(QTableWidget)
for table in reversed(tabs):
sheet = odsfile.new_sheet(table.title[:20]+'...') # For each tab in the container, a new sheet is created
sheet.writerow([table.title]) # As the tab's title's lenght is limited, the full name of the layer is written in the first row
nb_row = table.rowCount()
nb_col = table.columnCount()
# Fetching and writing of the table's header
header = []
for i in range(0,nb_col):
header.append(table.horizontalHeaderItem(i).text())
sheet.writerow(header)
# Fetching and writing of the table's items
for i in range(0,nb_row):
row = []
for j in range(0,nb_col):
row.append(table.item(i,j).text())
if not table.isRowHidden(i):
sheet.writerow(row)
return True
except IOError:
QMessageBox.critical(self, self.tr('Error'), self.tr('The file can\'t be written.')+'\n'+self.tr('Maybe you don\'t have the rights or are trying to overwrite an opened file.'))
return False
def center(self):
screen = QDesktopWidget().screenGeometry()
size = self.geometry()
self.move((screen.width()-size.width())/2, (screen.height()-size.height())/2)
def clear(self):
self.tabWidget.clear()
for table in self.tabWidget.findChildren(QTableWidget):
table.setParent(None)
def closeEvent(self, e):
result = QMessageBox.question(self, self.tr("Saving ?"), self.tr("Would you like to save results before exit ?"), buttons = QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel)
if result == QMessageBox.Yes:
if self.saveAttributes(False):
self.clear()
e.accept()
else:
e.ignore()
elif result == QMessageBox.No:
self.clear()
e.accept()
else:
e.ignore()