def run_later(self, command, *args):
if wx.IsMainThread():
command(*args)
else:
wx.CallAfter(command, *args)
def wrapper(*args, **kwargs):
if wx.IsMainThread():
func(*args, **kwargs)
else:
wx.CallAfter(lambda args, kwargs: func(*args, **kwargs), args, kwargs)
def __OnInteract(self, event):
assert wx.IsMainThread()
try:
event.OnProcess(self.__win)
finally:
event._threadEvt.set() # pylint: disable=protected-access
def update_text(self, text):
if not wx.IsMainThread():
wx.CallAfter(self.update_text_gui, text + '\n')
else:
self.update_text_gui(text + '\n')
def on_hidden_message(self, hidden_conversations):
assert wx.IsMainThread()
self.set_hidden_messages(len(hidden_conversations))
def _display_error_dialog(
frame,
exc,
pipeline,
message=None,
tb=None,
continue_only=False,
remote_exc_info=None,
):
"""Display an error dialog, returning an indication of whether to continue
frame - parent frame for application
exc - exception that caused the error
pipeline - currently executing pipeline
message - message to display
tb - traceback
continue_only - show "continue" option, only
remote_exc_info - None (the default) for exceptions in the current process.
For remote processes:
(exc_name, exc_message, traceback_text, filename,
line_number, remote_event_queue)
Returns either ED_STOP or ED_CONTINUE indicating how to handle.
"""
import wx
assert wx.IsMainThread(frame), "Can only display errors from WX thread."
if remote_exc_info:
from_subprocess = True
exc_name, exc_message, traceback_text, filename, line_number, remote_debug_callback = (
remote_exc_info)
if message is None:
message = exc_message
else:
from_subprocess = False
if message is None:
message = str(exc)
if tb is None:
traceback_text = traceback.format_exc()
tb = sys.exc_info()[2]
else:
traceback_text = "".join(
traceback.format_exception(type(exc), exc, tb))
# find the place where this error occurred, and if we've already
# reported it, don't do so again (instead, just log it to the
# console), to prevent the UI from becoming unusable.
filename, line_number, _, _ = traceback.extract_tb(tb)[-1]
if (filename, line_number) in previously_seen_error_locations:
if from_subprocess:
logging.root.error(
"Previously displayed remote exception:\n%s\n%s",
exc_name,
traceback_text,
)
else:
logging.root.error(
"Previously displayed uncaught exception:",
exc_info=(type(exc), exc, tb),
)
return ED_CONTINUE
dialog = wx.Dialog(frame,
title="Pipeline error",
style=wx.DEFAULT_DIALOG_STYLE | wx.RESIZE_BORDER)
sizer = wx.BoxSizer(wx.VERTICAL)
dialog.SetSizer(sizer)
if continue_only:
qc_msg = "Encountered error while processing."
else:
qc_msg = ("Encountered error while processing. "
"Do you want to stop processing?")
question_control = wx.StaticText(dialog, -1, qc_msg)
question_control.Font = wx.Font(
int(dialog.GetFont().GetPointSize() * 5 / 4),
dialog.GetFont().GetFamily(),
dialog.GetFont().GetStyle(),
wx.FONTWEIGHT_BOLD,
)
sizer.Add(question_control, 0, wx.EXPAND | wx.ALL, 5)
error_box = wx.BoxSizer(wx.HORIZONTAL)
message_control = wx.StaticText(dialog, -1, message)
error_box.Add(message_control, 1, wx.EXPAND | wx.RIGHT, 5)
sizer.Add(error_box, 1, wx.EXPAND | wx.ALL, 5)
aux_button_box = wx.BoxSizer(wx.VERTICAL)
error_box.Add(aux_button_box, 0, wx.EXPAND)
#
# Handle show details button
#
details_button = wx.Button(dialog, -1, "Details...")
details_button.SetToolTip("Show error details")
aux_button_box.Add(details_button, 0, wx.EXPAND | wx.BOTTOM, 5)
details_on = [False]
def on_details(event):
if not details_on[0]:
message_control.SetLabel("%s\n%s" % (message, traceback_text))
message_control.Refresh()
details_button.SetLabel("Hide details...")
details_button.Refresh()
dialog.Fit()
details_on[0] = True
else:
message_control.SetLabel(message)
message_control.Refresh()
details_button.SetLabel("Details...")
details_button.Refresh()
dialog.Fit()
details_on[0] = False
dialog.Bind(wx.EVT_BUTTON, on_details, details_button)
#
# Handle copy button
#
copy_button = wx.Button(dialog, -1, "Copy to clipboard")
copy_button.SetToolTip("Copy error to clipboard")
aux_button_box.Add(copy_button, 0, wx.EXPAND | wx.BOTTOM, 5)
def on_copy(event):
if wx.TheClipboard.Open():
try:
wx.TheClipboard.Clear()
wx.TheClipboard.SetData(wx.TextDataObject(traceback_text))
wx.TheClipboard.Flush()
finally:
wx.TheClipboard.Close()
dialog.Bind(wx.EVT_BUTTON, on_copy, copy_button)
#
# Handle pdb button
#
if ((tb or remote_exc_info)
is not None) and (not hasattr(sys, "frozen")
or os.getenv("CELLPROFILER_DEBUG")):
if not from_subprocess:
pdb_button = wx.Button(dialog, -1, "Debug in pdb...")
pdb_button.SetToolTip("Debug in python's pdb on the console")
aux_button_box.Add(pdb_button, 0, wx.EXPAND | wx.BOTTOM, 5)
def handle_pdb(event):
import pdb
pdb.post_mortem(tb)
# This level of interest seems to indicate the user might
# want to debug this error if it occurs again.
if (filename, line_number) in previously_seen_error_locations:
previously_seen_error_locations.remove(
(filename, line_number))
else:
pdb_button = wx.Button(dialog, -1, "Debug remotely...")
pdb_button.SetToolTip("Debug remotely in pdb via telnet")
aux_button_box.Add(pdb_button, 0, wx.EXPAND | wx.BOTTOM, 5)
def handle_pdb(event):
if not remote_debug_callback():
# The user has told us that remote debugging has gone wonky
pdb_button.Enable(False)
# This level of interest seems to indicate the user might
# want to debug this error if it occurs again.
if (filename, line_number) in previously_seen_error_locations:
previously_seen_error_locations.remove(
(filename, line_number))
dialog.Bind(wx.EVT_BUTTON, handle_pdb, pdb_button)
dont_show_exception_checkbox = wx.CheckBox(
dialog, label="Don't show this error again")
dont_show_exception_checkbox.SetValue(False)
sizer.Add(dont_show_exception_checkbox, 0, wx.ALIGN_LEFT | wx.ALL, 5)
#
# Handle the "stop" button being pressed
#
result = [None]
def on_stop(event):
dialog.SetReturnCode(wx.YES)
result[0] = ED_STOP
dialog.Close()
event.Skip()
stop_button = wx.Button(dialog, label="Stop processing...")
dialog.Bind(wx.EVT_BUTTON, on_stop, stop_button)
#
# Handle the "continue" button being pressed
#
def on_continue(event):
result[0] = ED_CONTINUE
dialog.SetReturnCode(wx.NO)
dialog.Close()
event.Skip()
continue_button = wx.Button(dialog, label="Continue processing...")
dialog.Bind(wx.EVT_BUTTON, on_continue, continue_button)
#
# Handle report button
#
def handle_report(event):
on_report(event, dialog, traceback_text, pipeline)
report_button = wx.Button(dialog, label="Send report...")
report_button.SetToolTip("Upload error report to the CellProfiler Project")
dialog.Bind(wx.EVT_BUTTON, handle_report, report_button)
#
# Handle "Skip Image" button being pressed
#
def on_skip(event):
result[0] = ED_SKIP
dialog.Close()
event.Skip()
skip_button = wx.Button(dialog, label="Skip Image, Continue Pipeline")
dialog.Bind(wx.EVT_BUTTON, on_skip, skip_button)
button_sizer = wx.BoxSizer(wx.HORIZONTAL)
button_sizer.Add((2, 2))
button_sizer.Add(stop_button)
button_sizer.Add((5, 5), proportion=1)
button_sizer.Add(continue_button)
button_sizer.Add((5, 5), proportion=1)
button_sizer.Add(report_button)
button_sizer.Add((5, 5), proportion=1)
button_sizer.Add(skip_button)
button_sizer.Add((2, 2))
if continue_only:
button_sizer.Hide(stop_button)
button_sizer.Hide(skip_button)
sizer.Add(button_sizer, 0, wx.EXPAND | wx.ALL, 4)
dialog.Fit()
dialog.ShowModal()
if dont_show_exception_checkbox.IsChecked():
previously_seen_error_locations.add((filename, line_number))
return result[0]
def syncwrap(*args, **kwargs):
if wx.IsMainThread():
return self.func(*args, **kwargs)
else:
sync = Synchronizer(func, *args, **kwargs)
return sync.Run()
def refresh_display(self):
if not wx.IsMainThread():
wx.CallAfter(self.refresh_in_ui)
else:
self.refresh_in_ui()