def save_plot(data, file_formats, filename=""):
_LAST_DIR_KEY = "directories/last_graph_directory"
_LAST_FILTER_KEY = "directories/last_graph_filter"
settings = QSettings()
start_dir = settings.value(_LAST_DIR_KEY, filename)
if not start_dir or \
(not os.path.exists(start_dir) and
not os.path.exists(os.path.split(start_dir)[0])):
start_dir = os.path.expanduser("~")
last_filter = settings.value(_LAST_FILTER_KEY, "")
filename, writer, filter = \
filedialogs.open_filename_dialog_save(start_dir, last_filter, file_formats)
if not filename:
return
try:
writer.write(filename, data)
except OSError as e:
mb = QMessageBox(
None,
windowTitle="Error",
text='Error occurred while saving file "{}": {}'.format(filename, e),
detailedText=traceback.format_exc(),
icon=QMessageBox.Critical)
mb.exec_()
else:
settings.setValue(_LAST_DIR_KEY, os.path.split(filename)[0])
settings.setValue(_LAST_FILTER_KEY, filter)
def test_qsettings_type(self):
"""
Test if QSettings as exported by qtcompat has the 'type' parameter.
"""
with tempfile.NamedTemporaryFile("w+b", suffix=".ini",
delete=False) as f:
settings = QSettings(f.name, QSettings.IniFormat)
settings.setValue("bar", "foo")
self.assertEqual(settings.value("bar", type=str), "foo")
settings.setValue("frob", 4)
del settings
settings = QSettings(f.name, QSettings.IniFormat)
self.assertEqual(settings.value("bar", type=str), "foo")
self.assertEqual(settings.value("frob", type=int), 4)
def send_statistics(url):
"""Send the statistics to the remote at `url`"""
import json
import requests
settings = QSettings()
if not settings.value("reporting/send-statistics", False, type=bool):
log.info("Not sending usage statistics (preferences setting).")
return
if not UsageStatistics.is_enabled():
log.info("Not sending usage statistics (disabled).")
return
if settings.contains('reporting/machine-id'):
machine_id = settings.value('reporting/machine-id')
else:
machine_id = str(uuid.uuid4())
settings.setValue('reporting/machine-id', machine_id)
is_anaconda = 'Continuum' in sys.version or 'conda' in sys.version
data = UsageStatistics.load()
for d in data:
d["Orange Version"] = d.pop("Application Version", "")
d["Anaconda"] = is_anaconda
d["UUID"] = machine_id
try:
r = requests.post(url, files={'file': json.dumps(data)})
if r.status_code != 200:
log.warning(
"Error communicating with server while attempting to send "
"usage statistics. Status code " + str(r.status_code))
return
# success - wipe statistics file
log.info("Usage statistics sent.")
with open(UsageStatistics.filename(), 'w', encoding="utf-8") as f:
json.dump([], f)
except (ConnectionError, requests.exceptions.RequestException):
log.warning(
"Connection error while attempting to send usage statistics.")
except Exception: # pylint: disable=broad-except
log.warning("Failed to send usage statistics.", exc_info=True)
def save_plot(data, file_formats, filename=""):
_LAST_DIR_KEY = "directories/last_graph_directory"
_LAST_FILTER_KEY = "directories/last_graph_filter"
settings = QSettings()
start_dir = settings.value(_LAST_DIR_KEY, filename)
if not start_dir or \
(not os.path.exists(start_dir) and
not os.path.exists(os.path.split(start_dir)[0])):
start_dir = os.path.expanduser("~")
last_filter = settings.value(_LAST_FILTER_KEY, "")
filename, writer, filter = \
filedialogs.get_file_name(start_dir, last_filter, file_formats)
if not filename:
return
try:
writer.write(filename, data)
except Exception as e:
QMessageBox.critical(
None, "Error", 'Error occurred while saving file "{}": {}'.format(filename, e))
else:
settings.setValue(_LAST_DIR_KEY, os.path.split(filename)[0])
settings.setValue(_LAST_FILTER_KEY, filter)
def save_plot(data, file_formats, filename=""):
_LAST_DIR_KEY = "directories/last_graph_directory"
_LAST_FILTER_KEY = "directories/last_graph_filter"
settings = QSettings()
start_dir = settings.value(_LAST_DIR_KEY, filename)
if not start_dir or \
(not os.path.exists(start_dir) and
not os.path.exists(os.path.split(start_dir)[0])):
start_dir = os.path.expanduser("~")
last_filter = settings.value(_LAST_FILTER_KEY, "")
filename, writer, filter = \
filedialogs.get_file_name(start_dir, last_filter, file_formats)
if not filename:
return
try:
writer.write(filename, data)
except Exception as e:
QMessageBox.critical(
None, "Error",
'Error occurred while saving file "{}": {}'.format(filename, e))
else:
settings.setValue(_LAST_DIR_KEY, os.path.split(filename)[0])
settings.setValue(_LAST_FILTER_KEY, filter)
def check_for_updates():
settings = QSettings()
check_updates = settings.value('startup/check-updates', True, type=bool)
last_check_time = settings.value('startup/last-update-check-time',
0,
type=int)
ONE_DAY = 86400
if check_updates and time.time() - last_check_time > ONE_DAY:
settings.setValue('startup/last-update-check-time', int(time.time()))
class GetLatestVersion(QThread):
resultReady = pyqtSignal(str)
def run(self):
try:
request = Request('https://orange.biolab.si/version/',
headers={
'Accept': 'text/plain',
'Accept-Encoding': 'gzip, deflate',
'Connection': 'close',
'User-Agent': ua_string()
})
contents = urlopen(request, timeout=10).read().decode()
# Nothing that this fails with should make Orange crash
except Exception: # pylint: disable=broad-except
log.exception('Failed to check for updates')
else:
self.resultReady.emit(contents)
def compare_versions(latest):
version = pkg_resources.parse_version
skipped = settings.value('startup/latest-skipped-version',
"",
type=str)
if version(latest) <= version(current) or \
latest == skipped:
return
notif = Notification(
title='Orange Update Available',
text='Current version: <b>{}</b><br>'
'Latest version: <b>{}</b>'.format(current, latest),
accept_button_label="Download",
reject_button_label="Skip this Version",
icon=QIcon(resource_filename("canvas/icons/update.png")))
def handle_click(role):
if role == notif.RejectRole:
settings.setValue('startup/latest-skipped-version', latest)
if role == notif.AcceptRole:
QDesktopServices.openUrl(
QUrl("https://orange.biolab.si/download/"))
notif.clicked.connect(handle_click)
canvas.notification_server_instance.registerNotification(notif)
thread = GetLatestVersion()
thread.resultReady.connect(compare_versions)
thread.start()
return thread
return None
def main(argv=None):
# Allow termination with CTRL + C
signal.signal(signal.SIGINT, signal.SIG_DFL)
# Disable pyqtgraph's atexit and QApplication.aboutToQuit cleanup handlers.
pyqtgraph.setConfigOption("exitCleanup", False)
if argv is None:
argv = sys.argv
usage = "usage: %prog [options] [workflow_file]"
parser = optparse.OptionParser(usage=usage)
parser.add_option("--no-discovery",
action="store_true",
help="Don't run widget discovery "
"(use full cache instead)")
parser.add_option("--force-discovery",
action="store_true",
help="Force full widget discovery "
"(invalidate cache)")
parser.add_option("--clear-widget-settings",
action="store_true",
help="Remove stored widget setting")
parser.add_option("--no-welcome",
action="store_true",
help="Don't show welcome dialog.")
parser.add_option("--no-splash",
action="store_true",
help="Don't show splash screen.")
parser.add_option("-l",
"--log-level",
help="Logging level (0, 1, 2, 3, 4)",
type="int",
default=1)
parser.add_option("--style",
help="QStyle to use",
type="str",
default=None)
parser.add_option("--stylesheet",
help="Application level CSS style sheet to use",
type="str",
default=None)
parser.add_option("--qt",
help="Additional arguments for QApplication",
type="str",
default=None)
(options, args) = parser.parse_args(argv[1:])
levels = [
logging.CRITICAL, logging.ERROR, logging.WARN, logging.INFO,
logging.DEBUG
]
# Fix streams before configuring logging (otherwise it will store
# and write to the old file descriptors)
fix_win_pythonw_std_stream()
# Try to fix macOS automatic window tabbing (Sierra and later)
fix_macos_nswindow_tabbing()
logging.basicConfig(
level=levels[options.log_level],
handlers=[make_stdout_handler(levels[options.log_level])])
# set default application configuration
config_ = config.Config()
canvasconfig.set_default(config_)
log.info("Starting 'Orange Canvas' application.")
qt_argv = argv[:1]
style = options.style
defaultstylesheet = "orange.qss"
fusiontheme = None
if style is not None:
if style.startswith("fusion:"):
qt_argv += ["-style", "fusion"]
_, _, fusiontheme = style.partition(":")
else:
qt_argv += ["-style", style]
if options.qt is not None:
qt_argv += shlex.split(options.qt)
qt_argv += args
if QT_VERSION >= 0x50600:
CanvasApplication.setAttribute(Qt.AA_UseHighDpiPixmaps)
log.debug("Starting CanvasApplicaiton with argv = %r.", qt_argv)
app = CanvasApplication(qt_argv)
config_.init()
if app.style().metaObject().className() == "QFusionStyle":
if fusiontheme == "breeze-dark":
app.setPalette(breeze_dark())
defaultstylesheet = "darkorange.qss"
palette = app.palette()
if style is None and palette.color(QPalette.Window).value() < 127:
log.info("Switching default stylesheet to darkorange")
defaultstylesheet = "darkorange.qss"
# Initialize SQL query and execution time logger (in SqlTable)
sql_level = min(levels[options.log_level], logging.INFO)
make_sql_logger(sql_level)
clear_settings_flag = os.path.join(widget_settings_dir(),
"DELETE_ON_START")
if options.clear_widget_settings or \
os.path.isfile(clear_settings_flag):
log.info("Clearing widget settings")
shutil.rmtree(widget_settings_dir(), ignore_errors=True)
# Set http_proxy environment variables, after (potentially) clearing settings
fix_set_proxy_env()
# Setup file log handler for the select logger list - this is always
# at least INFO
level = min(levels[options.log_level], logging.INFO)
file_handler = logging.FileHandler(filename=os.path.join(
config.log_dir(), "canvas.log"),
mode="w")
formatter = logging.Formatter(
"%(asctime)s:%(levelname)s:%(name)s: %(message)s")
file_handler.setFormatter(formatter)
file_handler.setLevel(level)
stream = TextStream()
stream_handler = logging.StreamHandler(stream)
stream_handler.setFormatter(formatter)
stream_handler.setLevel(level)
for namespace in ["orangecanvas", "orangewidget", "Orange"]:
logger = logging.getLogger(namespace)
logger.setLevel(level)
logger.addHandler(file_handler)
logger.addHandler(stream_handler)
# intercept any QFileOpenEvent requests until the main window is
# fully initialized.
# NOTE: The QApplication must have the executable ($0) and filename
# arguments passed in argv otherwise the FileOpen events are
# triggered for them (this is done by Cocoa, but QApplicaiton filters
# them out if passed in argv)
open_requests = []
def onrequest(url):
log.info("Received an file open request %s", url)
path = url.path()
exists = QFile(path).exists()
if exists and \
('pydevd.py' not in url.path() and # PyCharm debugger
'run_profiler.py' not in url.path()): # PyCharm profiler
open_requests.append(url)
app.fileOpenRequest.connect(onrequest)
settings = QSettings()
settings.setValue('startup/launch-count',
settings.value('startup/launch-count', 0, int) + 1)
if settings.value("reporting/send-statistics", False, type=bool) \
and is_release:
UsageStatistics.set_enabled(True)
stylesheet = options.stylesheet or defaultstylesheet
stylesheet_string = None
if stylesheet != "none":
if os.path.isfile(stylesheet):
with open(stylesheet, "r") as f:
stylesheet_string = f.read()
else:
if not os.path.splitext(stylesheet)[1]:
# no extension
stylesheet = os.path.extsep.join([stylesheet, "qss"])
pkg_name = orangecanvas.__name__
resource = "styles/" + stylesheet
if pkg_resources.resource_exists(pkg_name, resource):
stylesheet_string = \
pkg_resources.resource_string(pkg_name, resource).decode()
base = pkg_resources.resource_filename(pkg_name, "styles")
pattern = re.compile(
r"^\s@([a-zA-Z0-9_]+?)\s*:\s*([a-zA-Z0-9_/]+?);\s*$",
flags=re.MULTILINE)
matches = pattern.findall(stylesheet_string)
for prefix, search_path in matches:
QDir.addSearchPath(prefix, os.path.join(base, search_path))
log.info("Adding search path %r for prefix, %r",
search_path, prefix)
stylesheet_string = pattern.sub("", stylesheet_string)
else:
log.info("%r style sheet not found.", stylesheet)
# Add the default canvas_icons search path
dirpath = os.path.abspath(os.path.dirname(orangecanvas.__file__))
QDir.addSearchPath("canvas_icons", os.path.join(dirpath, "icons"))
canvas_window = MainWindow()
canvas_window.setAttribute(Qt.WA_DeleteOnClose)
canvas_window.setWindowIcon(config.application_icon())
canvas_window.connect_output_stream(stream)
# initialize notification server, set to initial canvas
notif_server = NotificationServer()
canvas.notification_server_instance = notif_server
canvas_window.set_notification_server(notif_server)
if stylesheet_string is not None:
canvas_window.setStyleSheet(stylesheet_string)
if not options.force_discovery:
reg_cache = cache.registry_cache()
else:
reg_cache = None
widget_registry = qt.QtWidgetRegistry()
widget_discovery = config_.widget_discovery(widget_registry,
cached_descriptions=reg_cache)
want_splash = \
settings.value("startup/show-splash-screen", True, type=bool) and \
not options.no_splash
if want_splash:
pm, rect = config.splash_screen()
splash_screen = SplashScreen(pixmap=pm, textRect=rect)
splash_screen.setFont(QFont("Helvetica", 12))
color = QColor("#FFD39F")
def show_message(message):
splash_screen.showMessage(message, color=color)
widget_registry.category_added.connect(show_message)
log.info("Running widget discovery process.")
cache_filename = os.path.join(config.cache_dir(), "widget-registry.pck")
if options.no_discovery:
with open(cache_filename, "rb") as f:
widget_registry = pickle.load(f)
widget_registry = qt.QtWidgetRegistry(widget_registry)
else:
if want_splash:
splash_screen.show()
widget_discovery.run(config.widgets_entry_points())
if want_splash:
splash_screen.hide()
splash_screen.deleteLater()
# Store cached descriptions
cache.save_registry_cache(widget_discovery.cached_descriptions)
with open(cache_filename, "wb") as f:
pickle.dump(WidgetRegistry(widget_registry), f)
set_global_registry(widget_registry)
canvas_window.set_widget_registry(widget_registry)
canvas_window.show()
canvas_window.raise_()
want_welcome = \
settings.value("startup/show-welcome-screen", True, type=bool) \
and not options.no_welcome
# Process events to make sure the canvas_window layout has
# a chance to activate (the welcome dialog is modal and will
# block the event queue, plus we need a chance to receive open file
# signals when running without a splash screen)
app.processEvents()
app.fileOpenRequest.connect(canvas_window.open_scheme_file)
if args:
log.info("Loading a scheme from the command line argument %r", args[0])
canvas_window.load_scheme(args[0])
elif open_requests:
log.info("Loading a scheme from an `QFileOpenEvent` for %r",
open_requests[-1])
canvas_window.load_scheme(open_requests[-1].toLocalFile())
else:
swp_loaded = canvas_window.ask_load_swp_if_exists()
if not swp_loaded and want_welcome:
canvas_window.welcome_dialog()
# local references prevent destruction
update_check = check_for_updates()
send_stat = send_usage_statistics()
pull_notifs = pull_notifications()
# Tee stdout and stderr into Output dock
log_view = canvas_window.output_view()
stdout = TextStream()
stdout.stream.connect(log_view.write)
if sys.stdout:
stdout.stream.connect(sys.stdout.write)
stdout.flushed.connect(sys.stdout.flush)
stderr = TextStream()
error_writer = log_view.formatted(color=Qt.red)
stderr.stream.connect(error_writer.write)
if sys.stderr:
stderr.stream.connect(sys.stderr.write)
stderr.flushed.connect(sys.stderr.flush)
log.info("Entering main event loop.")
excepthook = ExceptHook(stream=stderr)
excepthook.handledException.connect(handle_exception)
try:
with closing(stdout),\
closing(stderr),\
closing(stream), \
patch('sys.excepthook', excepthook),\
patch('sys.stderr', stderr),\
patch('sys.stdout', stdout):
status = app.exec_()
except BaseException:
log.error("Error in main event loop.", exc_info=True)
status = 42
del canvas_window
del update_check
del send_stat
del pull_notifs
app.processEvents()
app.flush()
# Collect any cycles before deleting the QApplication instance
gc.collect()
del app
if status == 96:
log.info('Restarting via exit code 96.')
run_after_exit([sys.executable, sys.argv[0]])
return status
def _userconfirmed():
session_hist = QSettings(filename, QSettings.IniFormat)
session_hist.beginGroup(namespace)
session_hist.setValue("{}/confirmed".format(message.persistent_id),
True)
session_hist.sync()
def check_for_updates():
settings = QSettings()
check_updates = settings.value('startup/check-updates', True, type=bool)
last_check_time = settings.value('startup/last-update-check-time',
0,
type=int)
ONE_DAY = 86400
if check_updates and time.time() - last_check_time > ONE_DAY:
settings.setValue('startup/last-update-check-time', int(time.time()))
from urllib.request import urlopen, Request
from Orange.version import version as current
class GetLatestVersion(QThread):
resultReady = pyqtSignal(str)
def run(self):
try:
request = Request('https://orange.biolab.si/version/',
headers={
'Accept': 'text/plain',
'Accept-Encoding': 'gzip, deflate',
'Connection': 'close',
'User-Agent': self.ua_string()
})
contents = urlopen(request, timeout=10).read().decode()
# Nothing that this fails with should make Orange crash
except Exception: # pylint: disable=broad-except
log.exception('Failed to check for updates')
else:
self.resultReady.emit(contents)
@staticmethod
def ua_string():
is_anaconda = 'Continuum' in sys.version or 'conda' in sys.version
return 'Orange{orange_version}:Python{py_version}:{platform}:{conda}'.format(
orange_version=current,
py_version='.'.join(sys.version[:3]),
platform=sys.platform,
conda='Anaconda' if is_anaconda else '',
)
def compare_versions(latest):
version = pkg_resources.parse_version
if version(latest) <= version(current):
return
question = QMessageBox(
QMessageBox.Information,
'Orange Update Available',
'A newer version of Orange is available.<br><br>'
'<b>Current version:</b> {}<br>'
'<b>Latest version:</b> {}'.format(current, latest),
textFormat=Qt.RichText)
ok = question.addButton('Download Now', question.AcceptRole)
question.setDefaultButton(ok)
question.addButton('Remind Later', question.RejectRole)
question.finished.connect(
lambda: question.clickedButton() == ok and QDesktopServices.
openUrl(QUrl("https://orange.biolab.si/download/")))
question.show()
thread = GetLatestVersion()
thread.resultReady.connect(compare_versions)
thread.start()
return thread
def _userconfirmed():
session_hist = QSettings(filename, QSettings.IniFormat)
session_hist.beginGroup(namespace)
session_hist.setValue(
"{}/confirmed".format(message.persistent_id), True)
session_hist.sync()
def check_for_updates():
settings = QSettings()
check_updates = settings.value('startup/check-updates', True, type=bool)
last_check_time = settings.value('startup/last-update-check-time',
0,
type=int)
ONE_DAY = 86400
if check_updates and time.time() - last_check_time > ONE_DAY:
settings.setValue('startup/last-update-check-time', int(time.time()))
from Orange.version import version as current
class GetLatestVersion(QThread):
resultReady = pyqtSignal(str)
def run(self):
try:
request = Request('https://orange.biolab.si/version/',
headers={
'Accept': 'text/plain',
'Accept-Encoding': 'gzip, deflate',
'Connection': 'close',
'User-Agent': self.ua_string()
})
contents = urlopen(request, timeout=10).read().decode()
# Nothing that this fails with should make Orange crash
except Exception: # pylint: disable=broad-except
log.exception('Failed to check for updates')
else:
self.resultReady.emit(contents)
@staticmethod
def ua_string():
is_anaconda = 'Continuum' in sys.version or 'conda' in sys.version
return 'Orange{orange_version}:Python{py_version}:{platform}:{conda}'.format(
orange_version=current,
py_version='.'.join(sys.version[:3]),
platform=sys.platform,
conda='Anaconda' if is_anaconda else '',
)
def compare_versions(latest):
version = pkg_resources.parse_version
skipped = settings.value('startup/latest-skipped-version',
"",
type=str)
if version(latest) <= version(current) or \
latest == skipped:
return
questionButtons = NotificationWidget.Ok | NotificationWidget.Close
question = NotificationWidget(
icon=QIcon(gui.resource_filename('icons/Dlg_down3.png')),
title='Orange Update Available',
text='Current version: <b>{}</b><br>'
'Latest version: <b>{}</b>'.format(current, latest),
textFormat=Qt.RichText,
standardButtons=questionButtons,
acceptLabel="Download",
rejectLabel="Skip this Version")
def handle_click(b):
if question.buttonRole(b) == question.RejectRole:
settings.setValue('startup/latest-skipped-version', latest)
if question.buttonRole(b) == question.AcceptRole:
QDesktopServices.openUrl(
QUrl("https://orange.biolab.si/download/"))
question.clicked.connect(handle_click)
NotificationOverlay.registerNotification(question)
thread = GetLatestVersion()
thread.resultReady.connect(compare_versions)
thread.start()
return thread
return None
def check_for_updates():
settings = QSettings()
check_updates = settings.value('startup/check-updates', True, type=bool)
last_check_time = settings.value('startup/last-update-check-time', 0, type=int)
ONE_DAY = 86400
if check_updates and time.time() - last_check_time > ONE_DAY:
settings.setValue('startup/last-update-check-time', int(time.time()))
from Orange.version import version as current
class GetLatestVersion(QThread):
resultReady = pyqtSignal(str)
def run(self):
try:
request = Request('https://orange.biolab.si/version/',
headers={
'Accept': 'text/plain',
'Accept-Encoding': 'gzip, deflate',
'Connection': 'close',
'User-Agent': self.ua_string()})
contents = urlopen(request, timeout=10).read().decode()
# Nothing that this fails with should make Orange crash
except Exception: # pylint: disable=broad-except
log.exception('Failed to check for updates')
else:
self.resultReady.emit(contents)
@staticmethod
def ua_string():
is_anaconda = 'Continuum' in sys.version or 'conda' in sys.version
return 'Orange{orange_version}:Python{py_version}:{platform}:{conda}'.format(
orange_version=current,
py_version='.'.join(sys.version[:3]),
platform=sys.platform,
conda='Anaconda' if is_anaconda else '',
)
def compare_versions(latest):
version = pkg_resources.parse_version
if version(latest) <= version(current):
return
question = QMessageBox(
QMessageBox.Information,
'Orange Update Available',
'A newer version of Orange is available.<br><br>'
'<b>Current version:</b> {}<br>'
'<b>Latest version:</b> {}'.format(current, latest),
textFormat=Qt.RichText)
ok = question.addButton('Download Now', question.AcceptRole)
question.setDefaultButton(ok)
question.addButton('Remind Later', question.RejectRole)
question.finished.connect(
lambda:
question.clickedButton() == ok and
QDesktopServices.openUrl(QUrl("https://orange.biolab.si/download/")))
question.show()
thread = GetLatestVersion()
thread.resultReady.connect(compare_versions)
thread.start()
return thread
def handle_exception(cls, exc):
etype, evalue, tb = exc
exception = traceback.format_exception_only(etype, evalue)[-1].strip()
stacktrace = ''.join(traceback.format_exception(etype, evalue, tb))
def _find_last_frame(tb):
if not tb:
return None
while tb.tb_next:
tb = tb.tb_next
return tb
err_locals, err_module, frame = None, None, _find_last_frame(tb)
if frame:
err_module = '{}:{}'.format(
frame.tb_frame.f_globals.get(
'__name__', frame.tb_frame.f_code.co_filename),
frame.tb_lineno)
err_locals = OrderedDict(sorted(frame.tb_frame.f_locals.items()))
err_locals = try_(lambda: pformat(err_locals),
try_(lambda: str(err_locals)))
def _find_widget_frame(tb):
while tb:
if isinstance(tb.tb_frame.f_locals.get('self'), OWBaseWidget):
return tb
tb = tb.tb_next
widget_module = widget_class = widget = workflow = None
frame = _find_widget_frame(tb)
if frame is not None:
widget = frame.tb_frame.f_locals['self'] # type: OWBaseWidget
widget_class = widget.__class__
widget_module = '{}:{}'.format(widget_class.__module__,
frame.tb_lineno)
if widget is not None:
try:
workflow = widget.signalManager.parent()
if not isinstance(workflow, WidgetsScheme):
raise TypeError
except Exception:
workflow = None
packages = ', '.join(sorted(get_installed_distributions()))
settings = QSettings()
if settings.contains('error-reporting/machine-id'):
machine_id = settings.value('error-reporting/machine-id')
else:
machine_id = str(uuid.uuid4())
settings.setValue('error-reporting/machine-id', machine_id)
# If this exact error was already reported in this session,
# just warn about it
# or if computer not connected to the internet
if (err_module, widget_module) in cls._cache or not internet_on():
QMessageBox(
QMessageBox.Warning, 'Error Encountered',
'Error encountered{}:<br><br><tt>{}</tt>'.format(
(' in widget <b>{}</b>'.format(widget_class.name)
if widget_class else ''),
stacktrace.replace('\n', '<br>').replace(' ', ' ')),
QMessageBox.Ignore).exec()
return
F = cls.DataField
data = OrderedDict()
data[F.EXCEPTION] = exception
data[F.MODULE] = err_module
if widget_class is not None:
data[F.WIDGET_NAME] = widget_class.name
data[F.WIDGET_MODULE] = widget_module
if workflow is not None \
and QSettings().value('reporting/add-scheme', True, type=bool):
fd, filename = mkstemp(prefix='ows-', suffix='.ows.xml')
os.close(fd)
try:
with open(filename, "wb") as f:
workflow.save_to(f, pretty=True, pickle_fallback=True)
with open(filename, encoding='utf-8') as f:
data[F.WIDGET_SCHEME] = f.read()
except Exception:
pass
data[F.VERSION] = QApplication.applicationVersion()
data[F.ENVIRONMENT] = 'Python {} on {} {} {} {}'.format(
platform.python_version(), platform.system(), platform.release(),
platform.version(), platform.machine())
data[F.INSTALLED_PACKAGES] = packages
data[F.MACHINE_ID] = machine_id
data[F.STACK_TRACE] = stacktrace
if err_locals:
data[F.LOCALS] = err_locals
cls(data=data).exec()
