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# -*- coding: utf-8 -*-
import traceback
from DisplayCAL import config
from DisplayCAL.config import fs_enc
from DisplayCAL.log import logbuffer
from DisplayCAL.meta import name as appname, wx_recversion
from DisplayCAL.options import debug
from DisplayCAL.util_str import box
wxEventTypes = {}
def getevtobjname(event, window=None):
"""Get and return the event object's name."""
try:
event_object = event.GetEventObject()
if not event_object and window:
event_object = window.FindWindowById(event.GetId())
if event_object and hasattr(event_object, "GetName"):
return event_object.GetName()
except Exception:
pass
def getevttype(event):
"""Get and return the event object's type."""
if not wxEventTypes:
from DisplayCAL.wxaddons import wx
try:
for name in dir(wx):
if name.find("EVT_") == 0:
attr = getattr(wx, name)
if hasattr(attr, "evtType"):
wxEventTypes[attr.evtType[0]] = name
except Exception:
pass
typeId = event.GetEventType()
if typeId in wxEventTypes:
return wxEventTypes[typeId]
def handle_error(error, parent=None, silent=False, tb=True):
"""Log an error string and show an error dialog."""
traceback.print_exc()
if isinstance(error, tuple):
# We got a tuple. Assume (etype, value, tb)
tbstr = "".join(traceback.format_exception(*error))
error = error[1]
else:
tbstr = traceback.format_exc()
if (
tb
and tbstr.strip() != "None"
and isinstance(error, Exception)
and (
debug
or not isinstance(error, EnvironmentError)
or not getattr(error, "filename", None)
)
):
# Print a traceback if in debug mode, for non environment errors, and
# for environment errors not related to files
errstr, tbstr = (str(v) for v in (error, tbstr))
msg = "\n\n".join((errstr, tbstr))
if msg.startswith(errstr):
print(box(tbstr))
else:
print(box(msg))
else:
msg = str(error)
print(box(msg))
if not silent:
try:
from DisplayCAL.wxaddons import wx
if wx.VERSION < wx_recversion:
msg += (
"\n\nWARNING: Your version of wxPython (%s) is outdated "
"and no longer supported. You should consider updating "
"to wxPython %s or newer."
% (wx.__version__, ".".join(str(n) for n in wx_recversion))
)
app = wx.GetApp()
if app is None and parent is None:
app = wx.App(redirect=False)
# wxPython 3 bugfix: We also need a toplevel window
frame = wx.Frame(None)
parent = False
else:
frame = None
if parent is None:
parent = wx.GetActiveWindow()
if parent:
try:
parent.IsShownOnScreen()
except Exception:
# If the parent is still being constructed, we can't use it
parent = None
icon = wx.ICON_INFORMATION
if not isinstance(error, Info):
if isinstance(error, Warning):
icon = wx.ICON_WARNING
elif isinstance(error, Exception):
icon = wx.ICON_ERROR
dlg = wx.MessageDialog(
(
parent
if parent not in (False, None) and parent.IsShownOnScreen()
else None
),
msg,
app.AppName,
wx.OK | icon,
)
if frame:
# wxPython 3 bugfix: We need to use CallLater and MainLoop
wx.CallLater(1, dlg.ShowModal)
wx.CallLater(1, frame.Close)
app.MainLoop()
else:
dlg.ShowModal()
dlg.Destroy()
except Exception as exception:
traceback.print_exc()
print("Warning: handle_error():", str(exception))
def print_callstack():
"""Print call stack"""
import inspect
stack = inspect.stack()
indent = ""
for _frame, filename, linenum, funcname, line, _exc in reversed(stack[1:]):
print(indent, funcname, filename, linenum, repr("".join(line).strip()))
indent += " "
class ResourceError(Exception):
pass
class Error(Exception):
pass
class Info(UserWarning):
pass
class UnloggedError(Error):
pass
class UnloggedInfo(Info):
pass
class UnloggedWarning(UserWarning):
pass
class DownloadError(Error):
def __init__(self, *args):
Error.__init__(self, *args[:-1])
self.url = args[1]
class UntracedError(Error):
pass
class Warn(UserWarning):
pass
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