--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/E5Gui/E5ErrorMessage.py Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,212 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2013 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a specialized error message dialog.
+"""
+
+from __future__ import unicode_literals
+
+from PyQt5.QtCore import qInstallMessageHandler, QtDebugMsg, QtWarningMsg, \
+ QtCriticalMsg, QtFatalMsg, QThread, QMetaObject, Qt, Q_ARG, QSettings
+from PyQt5.QtWidgets import QErrorMessage, qApp, QDialog
+
+import Globals
+import Utilities
+
+
+_msgHandlerDialog = None
+_origMsgHandler = None
+
+_filterSettings = QSettings(
+ QSettings.IniFormat,
+ QSettings.UserScope,
+ Globals.settingsNameOrganization,
+ "eric6messagefilters")
+_defaultFilters = [
+ "QFont::",
+ "QCocoaMenu::removeMenuItem",
+ "QCocoaMenu::insertNative",
+ ",type id:",
+ "Remote debugging server started successfully",
+ "Uncaught SecurityError:",
+ "Content Security Policy",
+ "QXcbClipboard:",
+ "QXcbConnection: XCB error",
+ "libpng warning: iCCP:",
+]
+
+
+def filterMessage(message):
+ """
+ Module function to filter messages.
+
+ @param message message to be checked
+ @type str
+ @return flag indicating that the message should be filtered out
+ @rtype bool
+ """
+ for filterStr in Globals.toList(_filterSettings.value(
+ "MessageFilters", _defaultFilters)):
+ if filterStr in message:
+ return True
+
+ return False
+
+
+class E5ErrorMessage(QErrorMessage):
+ """
+ Class implementing a specialized error message dialog.
+ """
+ def __init__(self, parent=None):
+ """
+ Constructor
+
+ @param parent reference to the parent widget
+ @type QWidget
+ """
+ super(E5ErrorMessage, self).__init__(parent)
+
+ def showMessage(self, message, msgType=""):
+ """
+ Public method to show a message.
+
+ @param message error message to be shown
+ @type str
+ @param msgType type of the error message
+ @type str
+ """
+ if not filterMessage(message):
+ if msgType:
+ super(E5ErrorMessage, self).showMessage(message, msgType)
+ else:
+ super(E5ErrorMessage, self).showMessage(message)
+
+ def editMessageFilters(self):
+ """
+ Public method to edit the list of message filters.
+ """
+ from .E5ErrorMessageFilterDialog import E5ErrorMessageFilterDialog
+ dlg = E5ErrorMessageFilterDialog(
+ Globals.toList(_filterSettings.value(
+ "MessageFilters", _defaultFilters)),
+ _defaultFilters)
+ if dlg.exec_() == QDialog.Accepted:
+ filters = dlg.getFilters()
+ _filterSettings.setValue("MessageFilters", filters)
+
+
+def messageHandler(msgType, *args):
+ """
+ Module function handling messages.
+
+ @param msgType type of the message
+ @type int, QtMsgType
+ @param args message handler arguments, for PyQt4 message to be shown, for
+ PyQt5 context information and message to be shown
+ @type PyQt4: bytes; PyQt5: tuple of (QMessageLogContext, bytes)
+ """
+ if len(args) == 2:
+ context = args[0]
+ message = args[1]
+ else:
+ message = args[0]
+ if _msgHandlerDialog:
+ try:
+ if msgType == QtDebugMsg:
+ messageType = "Debug Message:"
+ elif msgType == QtWarningMsg:
+ messageType = "Warning:"
+ elif msgType == QtCriticalMsg:
+ messageType = "Critical:"
+ elif msgType == QtFatalMsg:
+ messageType = "Fatal Error:"
+ if isinstance(message, bytes):
+ message = Utilities.decodeBytes(message)
+ if filterMessage(message):
+ return
+ message = message.replace("\r\n", "<br/>")\
+ .replace("\n", "<br/>")\
+ .replace("\r", "<br/>")
+ if len(args) == 2 and context.file is not None:
+ msg = "<p><b>{0}</b></p><p>{1}</p><p>File: {2}</p>" \
+ "<p>Line: {3}</p><p>Function: {4}</p>".format(
+ messageType, Utilities.html_uencode(message),
+ context.file, context.line, context.function)
+ else:
+ msg = "<p><b>{0}</b></p><p>{1}</p>".format(
+ messageType, Utilities.html_uencode(message))
+ if QThread.currentThread() == qApp.thread():
+ _msgHandlerDialog.showMessage(msg)
+ else:
+ QMetaObject.invokeMethod(
+ _msgHandlerDialog,
+ "showMessage",
+ Qt.QueuedConnection,
+ Q_ARG(str, msg))
+ return
+ except RuntimeError:
+ pass
+ elif _origMsgHandler:
+ _origMsgHandler(msgType, message)
+ return
+
+ if msgType == QtDebugMsg:
+ messageType = "Debug Message"
+ elif msgType == QtWarningMsg:
+ messageType = "Warning"
+ elif msgType == QtCriticalMsg:
+ messageType = "Critical"
+ elif msgType == QtFatalMsg:
+ messageType = "Fatal Error"
+ if isinstance(message, bytes):
+ message = message.decode()
+ if len(args) == 2:
+ print("{0}: {1} in {2} at line {3} ({4})".format(
+ messageType, message, context.file, context.line,
+ context.function))
+ else:
+ print("{0}: {1}".format(messageType, message))
+
+
+def qtHandler():
+ """
+ Module function to install an E5ErrorMessage dialog as the global
+ message handler.
+
+ @return reference to the message handler dialog
+ @rtype E5ErrorMessage
+ """
+ global _msgHandlerDialog, _origMsgHandler
+
+ if _msgHandlerDialog is None:
+ # Install an E5ErrorMessage dialog as the global message handler.
+ _msgHandlerDialog = E5ErrorMessage()
+ _origMsgHandler = qInstallMessageHandler(messageHandler)
+
+ return _msgHandlerDialog
+
+
+def editMessageFilters():
+ """
+ Module function to edit the list of message filters.
+ """
+ if _msgHandlerDialog:
+ _msgHandlerDialog.editMessageFilters()
+ else:
+ print("No message handler installed.")
+
+
+def messageHandlerInstalled():
+ """
+ Module function to check, if a message handler was installed.
+
+ @return flag indicating an installed message handler
+ @rtype bool
+ """
+ return _msgHandlerDialog is not None
+
+#
+# eflag: noqa = M801
