def testCancel(self):
f = QgsFeedback()
self.assertFalse(f.isCanceled())
cancel_spy = QSignalSpy(f.canceled)
f.cancel()
self.assertTrue(f.isCanceled())
self.assertEqual(len(cancel_spy), 1)
def testProgress(self):
f = QgsFeedback()
self.assertEqual(f.progress(), 0.0)
progress_spy = QSignalSpy(f.progressChanged)
f.setProgress(25)
self.assertEqual(f.progress(), 25.0)
self.assertEqual(len(progress_spy), 1)
self.assertEqual(progress_spy[0][0], 25.0)
def testCancel(self):
f = QgsFeedback()
self.assertFalse(f.isCanceled())
cancel_spy = QSignalSpy(f.canceled)
f.cancel()
self.assertTrue(f.isCanceled())
self.assertEqual(len(cancel_spy), 1)
def testProcessedCount(self):
f = QgsFeedback()
self.assertEqual(f.processedCount(), 0)
processed_spy = QSignalSpy(f.processedCountChanged)
f.setProcessedCount(25)
self.assertEqual(f.processedCount(), 25)
self.assertEqual(len(processed_spy), 1)
self.assertEqual(processed_spy[0][0], 25)
def testProgress(self):
f = QgsFeedback()
self.assertEqual(f.progress(), 0.0)
progress_spy = QSignalSpy(f.progressChanged)
f.setProgress(25)
self.assertEqual(f.progress(), 25.0)
self.assertEqual(len(progress_spy), 1)
self.assertEqual(progress_spy[0][0], 25.0)
def test_process_err(self):
def std_out(ba):
std_out.val += ba.data().decode('UTF-8')
std_out.val = ''
def std_err(ba):
std_err.val += ba.data().decode('UTF-8')
std_err.val = ''
p = QgsBlockingProcess('ogrinfo', [])
p.setStdOutHandler(std_out)
p.setStdErrHandler(std_err)
f = QgsFeedback()
self.assertEqual(p.run(f), 1)
self.assertIn('Usage', std_out.val)
self.assertIn('FAILURE', std_err.val)
def test_process_ok(self):
def std_out(ba):
std_out.val += ba.data().decode('UTF-8')
std_out.val = ''
def std_err(ba):
std_err.val += ba.data().decode('UTF-8')
std_err.val = ''
p = QgsBlockingProcess('ogrinfo', ['--version'])
p.setStdOutHandler(std_out)
p.setStdErrHandler(std_err)
f = QgsFeedback()
self.assertEqual(p.run(f), 0)
self.assertIn('GDAL', std_out.val)
self.assertEqual(std_err.val, '')
def testRunChecks(self):
registry = QgsValidityCheckRegistry()
res1 = QgsValidityCheckResult()
res1.type = QgsValidityCheckResult.Warning
res1.title = 'test'
res1.detailedDescription = 'blah blah'
c1 = TestCheck('c1', 'my check', 1, [res1])
registry.addCheck(c1)
res2 = QgsValidityCheckResult()
res2.type = QgsValidityCheckResult.Critical
res2.title = 'test2'
res2.detailedDescription = 'blah blah2'
c2 = TestCheck('c2', 'my check2', 2, [res2])
registry.addCheck(c2)
res3 = QgsValidityCheckResult()
res3.type = QgsValidityCheckResult.Warning
res3.title = 'test3'
res3.detailedDescription = 'blah blah3'
res4 = QgsValidityCheckResult()
res4.type = QgsValidityCheckResult.Warning
res4.title = 'test4'
res4.detailedDescription = 'blah blah4'
c3 = TestCheck('c3', 'my check3', 1, [res3, res4])
registry.addCheck(c3)
context = TestContext()
feedback = QgsFeedback()
self.assertFalse(registry.runChecks(0, context, feedback))
self.assertEqual([r.type for r in registry.runChecks(1, context, feedback)],
[QgsValidityCheckResult.Warning, QgsValidityCheckResult.Warning,
QgsValidityCheckResult.Warning])
self.assertEqual([r.title for r in registry.runChecks(1, context, feedback)], ['test', 'test3', 'test4'])
self.assertEqual([r.detailedDescription for r in registry.runChecks(1, context, feedback)],
['blah blah', 'blah blah3', 'blah blah4'])
self.assertEqual([r.type for r in registry.runChecks(2, context, feedback)], [QgsValidityCheckResult.Critical])
self.assertEqual([r.title for r in registry.runChecks(2, context, feedback)], ['test2'])
self.assertEqual([r.detailedDescription for r in registry.runChecks(2, context, feedback)], ['blah blah2'])
def _start_process(self):
"""Make some stuff before launching the process."""
QApplication.setOverrideCursor(Qt.WaitCursor)
self.dialog.feedback_process = QgsFeedback()
if self.panel == Panels.QuickQuery:
self.dialog.button_show_query.setDisabled(True)
if self.panel == Panels.Query:
self.dialog.button_generate_query.setDisabled(True)
self.dialog.execute_buttons[self.panel].setCurrentIndex(1)
if self.dialog.output_directories[self.panel]:
self.dialog.output_directories[self.panel].setDisabled(True)
self.dialog.progress_bar.setMinimum(0)
self.dialog.progress_bar.setMaximum(0)
self.dialog.progress_bar.setValue(0)
self.dialog.progress_text.setText('')
QApplication.processEvents()
def testExecuteSqlCancel(self):
"""Test that feedback can cancel an executeSql query"""
if hasattr(self, 'slowQuery'):
md = QgsProviderRegistry.instance().providerMetadata(self.providerKey)
conn = md.createConnection(self.uri, {})
feedback = QgsFeedback()
def _run(task):
conn.executeSql(self.slowQuery, feedback=feedback)
def _cancel():
feedback.cancel()
start = time.time()
QtCore.QTimer.singleShot(500, _cancel)
task = QgsTask.fromFunction('test long running query', _run)
QgsApplication.taskManager().addTask(task)
while task.status() not in [QgsTask.Complete, QgsTask.Terminated]:
QgsApplication.processEvents()
end = time.time()
self.assertTrue(end - start < 1)
def open_style(input_file): # pylint: disable=too-many-locals,too-many-branches,too-many-statements
"""
Opens a .style file
"""
if not Extractor.is_mdb_tools_binary_available():
bar = iface.messageBar()
widget = bar.createMessage('SLYR', "MDB Tools utility not found")
settings_button = QPushButton("Configure…", pressed=partial(open_settings, widget))
widget.layout().addWidget(settings_button)
bar.pushWidget(widget, Qgis.Critical)
return True
style = QgsStyle()
style.createMemoryDatabase()
symbol_names = set()
def make_name_unique(name):
"""
Ensures that the symbol name is unique (in a case insensitive way)
"""
counter = 0
candidate = name
while candidate.lower() in symbol_names:
# make name unique
if counter == 0:
candidate += '_1'
else:
candidate = candidate[:candidate.rfind('_') + 1] + str(counter)
counter += 1
symbol_names.add(candidate.lower())
return candidate
feedback = QgsFeedback()
progress_dialog = QProgressDialog("Loading style database…", "Abort", 0, 100, None)
progress_dialog.setWindowTitle("Loading Style")
def progress_changed(progress):
"""
Handles feedback to progress dialog bridge
"""
progress_dialog.setValue(progress)
iters = 0
while QCoreApplication.hasPendingEvents() and iters < 100:
QCoreApplication.processEvents()
iters += 1
feedback.progressChanged.connect(progress_changed)
def cancel():
"""
Slot to cancel the import
"""
feedback.cancel()
progress_dialog.canceled.connect(cancel)
unreadable = []
warnings = set()
errors = set()
types_to_extract = [Extractor.FILL_SYMBOLS, Extractor.LINE_SYMBOLS, Extractor.MARKER_SYMBOLS,
Extractor.COLOR_RAMPS,
Extractor.TEXT_SYMBOLS, Extractor.LABELS, Extractor.MAPLEX_LABELS, Extractor.AREA_PATCHES,
Extractor.LINE_PATCHES]
type_percent = 100 / len(types_to_extract)
for type_index, symbol_type in enumerate(types_to_extract):
try:
raw_symbols = Extractor.extract_styles(input_file, symbol_type)
except MissingBinaryException:
show_warning('MDB Tools utility not found', 'Convert style',
'The MDB tools "mdb-export" utility is required to convert .style databases. Please setup a path to the MDB tools utility in the SLYR options panel.',
level=Qgis.Critical)
progress_dialog.deleteLater()
return True
if feedback.isCanceled():
break
for index, raw_symbol in enumerate(raw_symbols):
feedback.setProgress(index / len(raw_symbols) * type_percent + type_percent * type_index)
if feedback.isCanceled():
break
name = raw_symbol[Extractor.NAME]
tags = raw_symbol[Extractor.TAGS].split(';')
if symbol_type in (
Extractor.AREA_PATCHES, Extractor.LINE_PATCHES, Extractor.TEXT_SYMBOLS, Extractor.MAPLEX_LABELS,
Extractor.LABELS):
if symbol_type == Extractor.AREA_PATCHES:
type_string = 'area patches'
elif symbol_type == Extractor.LINE_PATCHES:
type_string = 'line patches'
elif symbol_type == Extractor.TEXT_SYMBOLS:
type_string = 'text symbols'
elif symbol_type == Extractor.MAPLEX_LABELS:
type_string = 'maplex labels'
elif symbol_type == Extractor.LABELS:
type_string = 'labels'
else:
type_string = ''
unreadable.append('<b>{}</b>: {} conversion requires a licensed version of the SLYR plugin'.format(
html.escape(name), type_string))
continue
unique_name = make_name_unique(name)
handle = BytesIO(raw_symbol[Extractor.BLOB])
stream = Stream(handle)
stream.allow_shortcuts = False
try:
symbol = stream.read_object()
except UnreadableSymbolException as e:
e = 'Unreadable object: {}'.format(e)
unreadable.append('<b>{}</b>: {}'.format(html.escape(name), html.escape(str(e))))
continue
except NotImplementedException as e:
unreadable.append('<b>{}</b>: {}'.format(html.escape(name), html.escape(str(e))))
continue
except UnsupportedVersionException as e:
e = 'Unsupported version: {}'.format(e)
unreadable.append('<b>{}</b>: {}'.format(html.escape(name), html.escape(str(e))))
continue
except UnknownClsidException as e:
unreadable.append('<b>{}</b>: {}'.format(html.escape(name), html.escape(str(e))))
continue
except UnreadablePictureException as e:
unreadable.append('<b>{}</b>: {}'.format(html.escape(name), html.escape(str(e))))
continue
context = Context()
context.symbol_name = unique_name
def unsupported_object_callback(msg, level=Context.WARNING):
if level == Context.WARNING:
warnings.add('<b>{}</b>: {}'.format(html.escape(unique_name), html.escape(msg)))
elif level == Context.CRITICAL:
errors.add('<b>{}</b>: {}'.format(html.escape(unique_name), html.escape(msg)))
context.unsupported_object_callback = unsupported_object_callback
# context.style_folder, _ = os.path.split(output_file)
try:
qgis_symbol = SymbolConverter.Symbol_to_QgsSymbol(symbol, context)
except NotImplementedException as e:
unreadable.append('<b>{}</b>: {}'.format(html.escape(name), html.escape(str(e))))
continue
except UnreadablePictureException as e:
unreadable.append('<b>{}</b>: {}'.format(html.escape(name), html.escape(str(e))))
continue
if isinstance(qgis_symbol, QgsSymbol):
# self.check_for_missing_fonts(qgis_symbol, feedback)
style.addSymbol(unique_name, qgis_symbol, True)
elif isinstance(qgis_symbol, QgsColorRamp):
style.addColorRamp(unique_name, qgis_symbol, True)
if tags:
if isinstance(qgis_symbol, QgsSymbol):
assert style.tagSymbol(QgsStyle.SymbolEntity, unique_name, tags)
elif isinstance(qgis_symbol, QgsColorRamp):
assert style.tagSymbol(QgsStyle.ColorrampEntity, unique_name, tags)
progress_dialog.deleteLater()
if feedback.isCanceled():
return True
if errors or unreadable or warnings:
message = ''
if unreadable:
message = '<p>The following symbols could not be converted:</p>'
message += '<ul>'
for w in unreadable:
message += '<li>{}</li>'.format(w.replace('\n', '<br>'))
message += '</ul>'
if errors:
message += '<p>The following errors were generated while converting symbols:</p>'
message += '<ul>'
for w in errors:
message += '<li>{}</li>'.format(w.replace('\n', '<br>'))
message += '</ul>'
if warnings:
message += '<p>The following warnings were generated while converting symbols:</p>'
message += '<ul>'
for w in warnings:
message += '<li>{}</li>'.format(w.replace('\n', '<br>'))
message += '</ul>'
show_warning('style could not be completely converted', 'Convert style', message,
level=Qgis.Critical if (unreadable or errors) else Qgis.Warning)
if Qgis.QGIS_VERSION_INT >= 30800:
dlg = QgsStyleManagerDialog(style, readOnly=True)
dlg.setFavoritesGroupVisible(False)
dlg.setSmartGroupsVisible(False)
fi = QFileInfo(input_file)
dlg.setBaseStyleName(fi.baseName())
else:
dlg = QgsStyleManagerDialog(style)
dlg.exec_()
return True
def processing(options, f, progressBar, progressMessage):
'''
Select trees which are on the contour of the forest and isolated trees.
'''
# Export Grid contour and isolated to crowns values
forestSelectedPath = options['dst'] + 'tif/' + f + \
'_forest_selected.tif'
crownsPath = options['dst'] + 'shp/' + f + '_crowns.shp'
# crownsStatsPath = options['dst'] + 'shp/' + f + '_crowns_stats.shp'
outputDir = options["dst"]
fileTxt = open(outputDir + "/log.txt", "a")
fileTxt.write("gridstatisticsforpolygons started\n")
fileTxt.close()
crowns = QgsVectorLayer(crownsPath, "crowns", "ogr")
inputStatRaster = QgsRasterLayer(forestSelectedPath, "forestSelected")
z_stat = QgsZonalStatistics(crowns, inputStatRaster, '_', 1,
QgsZonalStatistics.Max)
result_z_stat = z_stat.calculateStatistics(QgsFeedback())
outputDir = options["dst"]
fileTxt = open(outputDir + "/log.txt", "a")
fileTxt.write("gridstatisticsforpolygons passed\n")
fileTxt.close()
# crowns = QgsVectorLayer(crownsStatsPath, 'Crowns stats', 'ogr')
crowns.selectByExpression('"_max"=1.0')
selected_array = crowns.getValues("N", True)
crowns.invertSelection()
unselected_array = crowns.getValues("N", True)
unselected_crowns_ids = crowns.getValues("$id", True)
unselected_top_ids = crowns.getValues('"N" - 1', True)
crowns.dataProvider().deleteFeatures(unselected_crowns_ids[0])
treetopsPath = options['dst'] + 'shp/' + f + '_treetops.shp'
treetops = QgsVectorLayer(treetopsPath, 'Tree tops', 'ogr')
treetops.dataProvider().deleteFeatures(unselected_top_ids[0])
treetopsSelectedPath = options['dst'] + 'shp/' + f + \
'_treetops_selected.shp'
crownsSelectedPath = options['dst'] + 'shp/' + f + '_crowns_selected.shp'
treetopsTrianglesPath = options['dst'] + 'shp/' + f + \
'_treetops_triangles.shp'
outputDir = options["dst"]
fileTxt = open(outputDir + "/log.txt", "a")
fileTxt.write("advancedpythonfieldcalculator started\n")
fileTxt.close()
treetops.dataProvider().addAttributes([QgsField('N', QVariant.Int)])
treetops.updateFields()
treetops.startEditing()
for treetop in treetops.getFeatures():
treetops.changeAttributeValue(treetop.id(),
treetop.fieldNameIndex('N'),
treetop.id())
treetops.commitChanges()
outputDir = options["dst"]
fileTxt = open(outputDir + "/log.txt", "a")
fileTxt.write("joinattributesbylocation started\n")
fileTxt.close()
# Adapted from https://github.com/qgis/QGIS-Processing
# TODO: replace by native QGIS c++ algo when available...
crowns.dataProvider().addAttributes([QgsField('tid', QVariant.Int)])
crowns.updateFields()
crowns.startEditing()
fcount = crowns.featureCount()
counter = 0
for crown in crowns.getFeatures():
counter += 1
progressBar.setValue(100 + int(counter * (600 / fcount)))
progressMessage.setText('Joining crown ' + str(counter) + '/' +
str(fcount))
request = QgsFeatureRequest()
request.setFilterRect(crown.geometry().boundingBox())
dp = treetops.dataProvider()
for r in dp.getFeatures(request):
if crown.geometry().intersects(r.geometry()):
crowns.changeAttributeValue(crown.id(),
crown.fieldNameIndex('tid'),
r.id())
crowns.commitChanges()
fileTxt = open(outputDir + "/log.txt", "a")
fileTxt.write("delaunaytriangulation started\n")
fileTxt.close()
# delaunay triangulation Adapted from official Python plugin
# TODO: replace by native QGIS c++ algo when available...
fields = QgsFields()
fields.append(QgsField('POINTA', QVariant.Double, '', 24, 15))
fields.append(QgsField('POINTB', QVariant.Double, '', 24, 15))
fields.append(QgsField('POINTC', QVariant.Double, '', 24, 15))
crs = QgsCoordinateReferenceSystem('EPSG:2056')
triangleFile = QgsVectorFileWriter(treetopsTrianglesPath, 'utf-8', fields,
QgsWkbTypes.Polygon, crs,
'ESRI Shapefile')
pts = []
ptDict = {}
ptNdx = -1
c = voronoi.Context()
features = treetops.getFeatures()
total = 100.0 / treetops.featureCount() if treetops.featureCount() else 0
progressMessage.setText('Starting triangulation...')
for current, inFeat in enumerate(features):
geom = QgsGeometry(inFeat.geometry())
if geom.isNull():
continue
if geom.isMultipart():
points = geom.asMultiPoint()
else:
points = [geom.asPoint()]
for n, point in enumerate(points):
x = point.x()
y = point.y()
pts.append((x, y))
ptNdx += 1
ptDict[ptNdx] = (inFeat.id(), n)
progressMessage.setText('Triangulation step 1 ok')
if len(pts) < 3:
raise QgsProcessingException(
'Input file should contain at least 3 points. Choose '
'another file and try again.')
uniqueSet = set(item for item in pts)
ids = [pts.index(item) for item in uniqueSet]
sl = voronoi.SiteList([voronoi.Site(*i) for i in uniqueSet])
c.triangulate = True
voronoi.voronoi(sl, c)
triangles = c.triangles
feat = QgsFeature()
total = 100.0 / len(triangles) if triangles else 1
for current, triangle in enumerate(triangles):
indices = list(triangle)
indices.append(indices[0])
polygon = []
attrs = []
step = 0
for index in indices:
fid, n = ptDict[ids[index]]
request = QgsFeatureRequest().setFilterFid(fid)
inFeat = next(treetops.getFeatures(request))
geom = QgsGeometry(inFeat.geometry())
point = QgsPoint(geom.asPoint())
polygon.append(point)
if step <= 3:
attrs.append(ids[index])
step += 1
linestring = QgsLineString(polygon)
poly = QgsPolygon()
poly.setExteriorRing(linestring)
feat.setAttributes(attrs)
geometry = QgsGeometry().fromWkt(poly.asWkt())
feat.setGeometry(geometry)
triangleFile.addFeature(feat)
progressMessage.setText('Triangulation terminated')
# Remove triangles with perimeter higher than threshold
triangles = QgsVectorLayer(treetopsTrianglesPath, 'triangles', 'ogr')
maxPeri = str(options['MaxTrianglePerimeter'])
triangles.selectByExpression('$perimeter > ' + maxPeri)
triangles_to_delete_ids = triangles.getValues("$id", True)
triangles.dataProvider().deleteFeatures(triangles_to_delete_ids[0])
outputDir = options["dst"]
fileTxt = open(outputDir + "/log.txt", "a")
fileTxt.write("treeSelector passed\n")
fileTxt.close()
progressMessage.setText('Starting convexhull computing...')
def test_process_env(self):
"""
Test that process inherits system environment correctly
"""
temp_folder = tempfile.mkdtemp()
script_file = os.path.join(temp_folder, 'process_env.sh')
with open(script_file, 'wt') as f:
f.write('echo $my_var')
os.chmod(script_file, 0o775)
def std_out(ba):
std_out.val += ba.data().decode('UTF-8')
std_out.val = ''
def std_err(ba):
std_err.val += ba.data().decode('UTF-8')
std_err.val = ''
# environment variable not set:
p = QgsBlockingProcess('sh', [script_file])
p.setStdOutHandler(std_out)
p.setStdErrHandler(std_err)
f = QgsFeedback()
self.assertEqual(p.run(f), 0)
self.assertEqual(p.exitStatus(), QProcess.NormalExit)
self.assertFalse(std_out.val.strip())
self.assertFalse(std_err.val.strip())
# set environment variable
os.environ['my_var'] = 'my test variable'
std_out.val = ''
std_err.val = ''
p = QgsBlockingProcess('sh', [script_file])
p.setStdOutHandler(std_out)
p.setStdErrHandler(std_err)
f = QgsFeedback()
self.assertEqual(p.run(f), 0)
self.assertEqual(p.exitStatus(), QProcess.NormalExit)
self.assertEqual(std_out.val.strip(), 'my test variable')
self.assertFalse(std_err.val.strip())
# test python changing path
script_file = os.path.join(temp_folder, 'process_env_path.sh')
with open(script_file, 'wt') as f:
f.write('echo $PATH')
prev_path_val = os.getenv('PATH')
new_path = "{}{}{}".format('/my_test/folder', os.pathsep,
prev_path_val)
os.environ['PATH'] = new_path
std_out.val = ''
std_err.val = ''
p = QgsBlockingProcess('sh', [script_file])
p.setStdOutHandler(std_out)
p.setStdErrHandler(std_err)
f = QgsFeedback()
self.assertEqual(p.run(f), 0)
self.assertEqual(p.exitStatus(), QProcess.NormalExit)
self.assertEqual(std_out.val.strip(), new_path)
self.assertFalse(std_err.val.strip())
class ExportTask(ScenarioBaseTask):
"""
A background task for exporting electorates, meshblock assignments
"""
GN = 'GN'
GS = 'GS'
M = 'M'
def __init__(self, task_name: str, dest_file: str,
electorate_registry: LinzElectoralDistrictRegistry,
meshblock_layer: QgsVectorLayer,
meshblock_number_field_name: str,
scenario_registry: ScenarioRegistry, scenario,
user_log_layer: QgsVectorLayer):
"""
Constructor for ExportTask
:param task_name: user-visible, translated name for task
:param dest_file: destination filename
:param electorate_registry: electorate registry
:param meshblock_layer: meshblock layer
:param meshblock_number_field_name: name of meshblock number field
:param scenario_registry: scenario registry
:param scenario: target scenario id to switch to
:param user_log_layer: user log layer
"""
self.electorate_registry = electorate_registry
super().__init__(
task_name=task_name,
electorate_layer=self.electorate_registry.source_layer,
meshblock_layer=meshblock_layer,
meshblock_number_field_name=meshblock_number_field_name,
scenario_registry=scenario_registry,
scenario=scenario,
task=None)
self.dest_file = dest_file
self.message = None
self.user_log_layer = user_log_layer
self.feedback = QgsFeedback()
def cancel(self):
"""
Cancels the export
"""
super().cancel()
self.feedback.cancel()
def run(self): # pylint: disable=missing-docstring,too-many-locals,too-many-return-statements,too-many-branches,too-many-statements
try:
electorate_geometries, electorate_attributes = self.calculate_new_electorates(
)
except CanceledException:
return False
# we also need a dictionary of meshblock number to all electorate types
meshblock_electorates = {}
electorate_features = []
for electorate_feature_id, attributes in electorate_attributes.items():
if self.isCanceled():
return False
electorate_code = attributes[self.ELECTORATE_CODE]
geometry = electorate_geometries[electorate_feature_id]
meshblocks = attributes[self.MESHBLOCKS]
electorate_type = attributes[self.ELECTORATE_TYPE]
name = attributes[self.ELECTORATE_NAME]
for m in meshblocks:
meshblock_number = m[self.meshblock_number_idx]
if meshblock_number not in meshblock_electorates:
meshblock_electorates[meshblock_number] = {}
meshblock_electorates[meshblock_number][
electorate_type] = electorate_code
if self.isCanceled():
return False
electorate_feature = QgsFeature()
electorate_feature.setGeometry(geometry)
electorate_feature.setAttributes(
[electorate_type, electorate_code, name])
electorate_features.append(electorate_feature)
electorate_layer = QgsVectorLayer(
"Polygon?crs=EPSG:2193&field=type:string(2)&field=code:string&field=name:string",
"source", "memory")
if not electorate_layer.dataProvider().addFeatures(
electorate_features):
return False
if self.isCanceled():
return False
options = QgsVectorFileWriter.SaveVectorOptions()
options.driverName = 'GPKG'
options.layerName = 'electorates'
options.actionOnExistingFile = QgsVectorFileWriter.CreateOrOverwriteFile
options.feedback = self.feedback
error, self.message = QgsVectorFileWriter.writeAsVectorFormat(
electorate_layer, self.dest_file, options)
if error:
return False
if self.isCanceled():
return False
layer = QgsVectorLayer(
"NoGeometry?field=meshblock_number:int&field=gn_code:string&field=gs_code:string&field=m_code:string",
"source", "memory")
meshblock_features = []
for meshblock_number, electorates in meshblock_electorates.items():
f = QgsFeature()
gn = electorates[self.GN] if self.GN in electorates else NULL
gs = electorates[self.GS] if self.GS in electorates else NULL
m = electorates[self.M] if self.M in electorates else NULL
f.setAttributes([meshblock_number, gn, gs, m])
meshblock_features.append(f)
if self.isCanceled():
return False
layer.dataProvider().addFeatures(meshblock_features)
options = QgsVectorFileWriter.SaveVectorOptions()
options.driverName = 'GPKG'
options.layerName = 'meshblocks'
options.feedback = self.feedback
options.actionOnExistingFile = QgsVectorFileWriter.CreateOrOverwriteLayer
error, self.message = QgsVectorFileWriter.writeAsVectorFormat(
layer, self.dest_file, options)
if error:
return False
if self.isCanceled():
return False
options = QgsVectorFileWriter.SaveVectorOptions()
options.driverName = 'GPKG'
options.layerName = 'user_log'
options.feedback = self.feedback
options.actionOnExistingFile = QgsVectorFileWriter.CreateOrOverwriteLayer
error, self.message = QgsVectorFileWriter.writeAsVectorFormat(
self.user_log_layer, self.dest_file, options)
if error:
return False
return True
def __init__(self, iface=None, parent=None):
"""Constructor."""
QDialog.__init__(self, parent)
self.setupUi(self)
self._iface = iface
self.query_menu_index = 2
self.preset_menu_index = 0
# Table mapping
# Explaining quickly, these letters are referring to the panel
# in the UI:
# mp : Map preset
# qq : Quick Query
# q : Query
# f : file
self.external_panels = {
Panels.MapPreset: MapPresetPanel(self),
Panels.QuickQuery: QuickQueryPanel(self),
Panels.Query: QueryPanel(self),
Panels.File: OsmFilePanel(self),
Panels.Configuration: ConfigurationPanel(self),
}
self.places_edits = {
Panels.MapPreset: self.line_place_mp,
Panels.QuickQuery: self.line_place_qq,
Panels.Query: self.line_place_q,
}
self.query_type_buttons = {
Panels.MapPreset: self.combo_query_type_mp,
Panels.QuickQuery: self.combo_query_type_qq,
Panels.Query: self.combo_query_type_q,
}
self.layers_buttons = {
Panels.MapPreset: self.combo_extent_layer_mp,
Panels.QuickQuery: self.combo_extent_layer_qq,
Panels.Query: self.combo_extent_layer_q,
}
self.selection_features = {
Panels.MapPreset: self.checkbox_selection_mp,
Panels.QuickQuery: self.checkbox_selection_qq,
Panels.Query: self.checkbox_selection_q,
}
self.run_buttons = {
Panels.MapPreset: self.button_run_query_mp,
Panels.QuickQuery: self.button_run_query_qq,
Panels.Query: self.button_run_query_q,
Panels.File: self.button_run_file,
}
self.cancel_buttons = {
Panels.MapPreset: self.button_cancel_query_mp,
Panels.QuickQuery: self.button_cancel_query_qq,
Panels.Query: self.button_cancel_query_q,
Panels.File: self.button_cancel_file,
}
self.execute_buttons = {
Panels.MapPreset: self.stacked_execute_query_mp,
Panels.QuickQuery: self.stacked_execute_query_qq,
Panels.Query: self.stacked_execute_query_q,
Panels.File: self.stacked_execute_file,
}
self.output_buttons = {
Panels.MapPreset: [],
Panels.QuickQuery: [
self.checkbox_points_qq, self.checkbox_lines_qq,
self.checkbox_multilinestrings_qq,
self.checkbox_multipolygons_qq
],
Panels.Query: [
self.checkbox_points_q,
self.checkbox_lines_q,
self.checkbox_multilinestrings_q,
self.checkbox_multipolygons_q,
],
Panels.File: [
self.checkbox_points_f,
self.checkbox_lines_f,
self.checkbox_multilinestrings_f,
self.checkbox_multipolygons_f,
]
}
self.output_directories = {
Panels.MapPreset: None,
Panels.QuickQuery: self.output_directory_qq,
Panels.Query: self.output_directory_q,
Panels.File: self.output_directory_f
}
self.output_format = {
Panels.MapPreset: None,
Panels.QuickQuery: self.combo_format_qq,
Panels.Query: self.combo_format_q,
Panels.File: self.combo_format_f
}
self.prefix_edits = {
Panels.MapPreset: None,
Panels.QuickQuery: self.line_file_prefix_qq,
Panels.Query: self.line_file_prefix_q,
Panels.File: self.line_file_prefix_file,
}
self.advanced_panels = {
Panels.MapPreset: None,
Panels.QuickQuery: self.advanced_qq,
Panels.Query: self.advanced_q,
}
self.query_language = {
Panels.MapPreset: None,
Panels.QuickQuery: QueryLanguage.OQL,
Panels.Query: QueryLanguage.OQL,
}
self.action_oql_qq = QAction('OQL')
self.action_oql_q = QAction('OQL')
self.action_oql = {
Panels.QuickQuery: self.action_oql_qq,
Panels.Query: self.action_oql_q,
}
self.action_xml_qq = QAction('XML')
self.action_xml_q = QAction('XML')
self.action_xml = {
Panels.QuickQuery: self.action_xml_qq,
Panels.Query: self.action_xml_q,
}
icon = QIcon(resources_path('icons', 'QuickOSM.svg'))
self.reload_action = QAction(icon,
tr("Reload the query in a new file"),
self.iface)
actions = Actions(self)
reloader = partial(actions.pre_run_reload)
self.reload_action.triggered.connect(reloader)
self.iface.addCustomActionForLayerType(self.reload_action, "",
QgsMapLayer.VectorLayer, False)
self.feedback_process = QgsFeedback()
item = self.menu_widget.item(0)
item.setIcon(QIcon(resources_path('icons', 'map_tools.svg')))
item = self.menu_widget.item(1)
item.setIcon(QIcon(resources_path('icons', 'quick.png')))
item = self.menu_widget.item(2)
item.setIcon(QIcon(resources_path('icons', 'edit.png')))
item = self.menu_widget.item(3)
item.setIcon(QIcon(resources_path('icons', 'open.png')))
item = self.menu_widget.item(4)
item.setIcon(QIcon(resources_path('icons', 'general.svg')))
item = self.menu_widget.item(5)
item.setIcon(QIcon(resources_path('icons', 'info.png')))
self.label_gnu.setPixmap(QPixmap(resources_path('icons', 'gnu.png')))
# Set minimum width for the menu
self.menu_widget.setMinimumWidth(
self.menu_widget.sizeHintForColumn(0) + 10)
self.progress_text.setText('')
self.menu_widget.currentRowChanged['int'].connect(
self.stacked_panels_widget.setCurrentIndex)
for panel in self.external_panels.values():
panel.setup_panel()
self.menu_widget.setCurrentRow(1)
def exportCompo(self, cView, folder, title, extension):
"""Function that sets how to export files.
Returns a file
:param cView: The print layout to export
:param folder: The folder in which to store the output file
:param title: The print layout name
:param extension: The file extension to use for the output
:return: A file representing the layout in the selected format
"""
#self.msgWMSWarning(cView)
myAtlas = cView.atlas()
#Let's use custom export properties if there are
exportSettings = self.overrideExportSettings(cView, extension)
# Do the export process
exporter = QgsLayoutExporter(cView)
if myAtlas.enabled():
feedback = QgsFeedback()
# if single file export is required (only compatible with pdf, yet)
# singleFile can be true and None in that case
if cView.customProperty(
'singleFile') is not False and extension == '.pdf':
result, error = exporter.exportToPdf(
myAtlas, os.path.join(folder, title + '.pdf'),
exportSettings, feedback)
else: #If instead multiple files will be output
# Check if there's a valid expression for filenames,
# and otherwise inform that a default one will be used and set it using the layout name.
# replacement in the GUI is failing at the moment
# if len(myAtlas.filenameExpression()) == 0:
# self.iface.messageBar().pushMessage(
# self.tr(u'Empty filename expression'),
# self.tr(u'The print layout "{}" has an empty output filename expression. {}_@atlas_pagename is used as default.').format(title, title),
# level = Qgis.Warning
# )
# myAtlas.setFilenameExpression(u"'{}_'||@atlas_pagename".format(title))
current_fileName = myAtlas.filenameExpression()
#export atlas to multiple pdfs
if extension == '.pdf':
result, error = exporter.exportToPdfs(
myAtlas, os.path.join(folder, current_fileName),
exportSettings, feedback)
# export atlas to svg format
elif extension == '.svg':
result, error = exporter.exportToSvg(
myAtlas, os.path.join(folder, current_fileName),
exportSettings, feedback)
# export atlas to image format
else:
result, error = exporter.exportToImage(
myAtlas, os.path.join(folder, current_fileName),
extension, exportSettings, feedback)
myAtlas.endRender()
# if the composition has no atlas
else:
if extension == '.pdf':
result = exporter.exportToPdf(
os.path.join(folder, title + '.pdf'), exportSettings)
elif extension == '.svg':
result = exporter.exportToSvg(
os.path.join(folder, title + '.svg'), exportSettings)
else:
result = exporter.exportToImage(
os.path.join(folder, title + extension), exportSettings)
return result == QgsLayoutExporter.Success
def test_geocode(self):
geocoder = TestGeocoder()
canvas = QgsMapCanvas()
filter = QgsGeocoderLocatorFilter('testgeocoder', 'my geocoder',
'pref', geocoder, canvas,
QgsRectangle(-1, -1, 1, 1))
self.assertEqual(filter.name(), 'testgeocoder')
self.assertEqual(filter.displayName(), 'my geocoder')
self.assertEqual(filter.prefix(), 'pref')
self.assertEqual(filter.geocoder(), geocoder)
self.assertEqual(filter.boundingBox(), QgsRectangle(-1, -1, 1, 1))
spy = QSignalSpy(filter.resultFetched)
context = QgsLocatorContext()
feedback = QgsFeedback()
# no results
filter.fetchResults('cvxbcvb', context, feedback)
self.assertEqual(len(spy), 0)
# one result
filter.fetchResults('a', context, feedback)
self.assertEqual(len(spy), 1)
res = spy[-1][0]
self.assertEqual(res.displayString, 'res 1')
# some sip weirdness here -- if we directly access the QgsLocatorResult object here then we get segfaults!
# so instead convert back to QgsGeocoderResult. This makes the test more robust anyway...
geocode_result = filter.locatorResultToGeocoderResult(res)
self.assertEqual(geocode_result.identifier(), 'res 1')
self.assertEqual(geocode_result.geometry().asWkt(), 'Point (1 2)')
self.assertEqual(geocode_result.crs().authid(), 'EPSG:4326')
self.assertEqual(geocode_result.additionalAttributes(), {
'b': 123,
'c': 'xyz'
})
self.assertTrue(geocode_result.viewport().isNull())
self.assertFalse(geocode_result.description())
self.assertFalse(geocode_result.group())
# two possible results
filter.fetchResults('b', context, feedback)
self.assertEqual(len(spy), 3)
res1 = spy[-2][0]
res2 = spy[-1][0]
self.assertEqual(res1.displayString, 'res 1')
geocode_result = filter.locatorResultToGeocoderResult(res1)
self.assertEqual(geocode_result.identifier(), 'res 1')
self.assertEqual(geocode_result.geometry().asWkt(), 'Point (11 12)')
self.assertEqual(geocode_result.crs().authid(), 'EPSG:4326')
self.assertEqual(geocode_result.additionalAttributes(), {
'b': 123,
'c': 'xyz'
})
self.assertTrue(geocode_result.viewport().isNull())
self.assertEqual(geocode_result.description(), 'desc')
self.assertEqual(geocode_result.group(), 'group')
self.assertEqual(res2.displayString, 'res 2')
geocode_result = filter.locatorResultToGeocoderResult(res2)
self.assertEqual(geocode_result.identifier(), 'res 2')
self.assertEqual(geocode_result.geometry().asWkt(), 'Point (13 14)')
self.assertEqual(geocode_result.crs().authid(), 'EPSG:3857')
self.assertEqual(geocode_result.additionalAttributes(), {'d': 456})
self.assertEqual(geocode_result.viewport(), QgsRectangle(1, 2, 3, 4))
self.assertFalse(geocode_result.description())
self.assertFalse(geocode_result.group())
def open_file(dialog: QDialog = None,
osm_file: str = None,
output_geom_types: list = None,
white_list_column: dict = None,
key: Union[str, List[str]] = None,
layer_name: str = "OsmFile",
config_outputs: dict = None,
output_dir: str = None,
output_format: Format = None,
final_query: str = None,
prefix_file: str = None,
subset: bool = False,
subset_query: str = None,
feedback: QgsFeedback = None) -> int:
"""
Open an osm file.
Memory layer if no output directory is set, or Geojson in the output
directory.
:param final_query: The query where the file comes from. Might be empty if
it's a local OSM file.
:type final_query: basestring
"""
if output_geom_types is None:
output_geom_types = OSM_LAYERS
# Legacy, waiting to remove the OsmParser for QGIS >= 3.6
# Change in osm_file_dialog.py L131 too
output_geom_legacy = [geom.value.lower() for geom in output_geom_types]
if not white_list_column:
white_list_column = None
LOGGER.info('The OSM file is: {}'.format(osm_file))
if feedback:
if feedback.isCanceled():
return None
# Parsing the file
osm_parser = OsmParser(osm_file=osm_file,
layers=output_geom_legacy,
output_format=output_format,
output_dir=output_dir,
prefix_file=prefix_file,
layer_name=layer_name,
key=key,
white_list_column=white_list_column,
subset=subset,
subset_query=subset_query,
feedback=feedback)
if dialog:
osm_parser.signalText.connect(dialog.set_progress_text)
osm_parser.signalPercentage.connect(dialog.set_progress_percentage)
start_time = time.time()
layers = osm_parser.processing_parse()
elapsed_time = time.time() - start_time
parser_time = time.strftime("%Hh %Mm %Ss", time.gmtime(elapsed_time))
LOGGER.info('The OSM parser took: {}'.format(parser_time))
if feedback:
if feedback.isCanceled():
return None
# Finishing the process with an output format or memory layer
num_layers = 0
for i, (layer, item) in enumerate(layers.items()):
if dialog:
dialog.set_progress_percentage(i / len(layers) * 100)
QApplication.processEvents()
if item['featureCount'] and (LayerType(layer.capitalize())
in output_geom_types):
final_layer_name = layer_name
# If configOutputs is not None (from My Queries)
if config_outputs:
if config_outputs[layer]['namelayer']:
final_layer_name = config_outputs[layer]['namelayer']
new_layer = item['vector_layer']
new_layer.setName(final_layer_name)
# Try to set styling if defined
if config_outputs and config_outputs[layer]['style']:
new_layer.loadNamedStyle(config_outputs[layer]['style'])
else:
if "colour" in item['tags']:
index = item['tags'].index('colour')
colors = new_layer.uniqueValues(index)
categories = []
for value in colors:
if str(value) == 'None':
value = ''
if layer in ['lines', 'multilinestrings']:
symbol = QgsSymbol.defaultSymbol(
QgsWkbTypes.LineGeometry)
elif layer == "points":
symbol = QgsSymbol.defaultSymbol(
QgsWkbTypes.PointGeometry)
elif layer == "multipolygons":
symbol = QgsSymbol.defaultSymbol(
QgsWkbTypes.PolygonGeometry)
symbol.setColor(QColor(value))
category = QgsRendererCategory(str(value), symbol,
str(value))
categories.append(category)
renderer = QgsCategorizedSymbolRenderer(
"colour", categories)
new_layer.setRenderer(renderer)
# Add action about OpenStreetMap
actions.add_actions(new_layer, item['tags'])
QgsProject.instance().addMapLayer(new_layer)
if final_query:
QgsExpressionContextUtils.setLayerVariable(
new_layer, 'quickosm_query', final_query)
actions.add_relaunch_action(new_layer, final_layer_name)
if dialog:
dialog.iface.addCustomActionForLayer(
dialog.reload_action, new_layer)
metadata = QgsLayerMetadata()
metadata.setRights([tr("© OpenStreetMap contributors")])
metadata.setLicenses(['https://openstreetmap.org/copyright'])
new_layer.setMetadata(metadata)
num_layers += 1
return num_layers