#!/usr/bin/env python
#############################################################################
##
# This file is part of Taurus
##
# http://taurus-scada.org
##
# Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
##
# Taurus is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
##
# Taurus is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
##
# You should have received a copy of the GNU Lesser General Public License
# along with Taurus. If not, see .
##
#############################################################################
"""This module provides a panel to display taurus messages"""
from future import standard_library
standard_library.install_aliases()
from builtins import object
import sys
import traceback
import datetime
try:
import pygments
from pygments import highlight
from pygments.formatters import HtmlFormatter
from pygments.lexers import PythonTracebackLexer
except:
pygments = None
from taurus.core.util.report import TaurusMessageReportHandler
from taurus.external.qt import Qt
from taurus.qt.qtgui.util.ui import UILoadable
__all__ = ["TaurusMessagePanel", "TaurusMessageErrorHandler",
"TangoMessageErrorHandler", "MacroServerMessageErrorHandler"]
__docformat__ = 'restructuredtext'
class TaurusMessageErrorHandler(object):
"""This class is designed to handle a generic error into a
:class:`TaurusMessagePanel`"""
def __init__(self, msgbox):
self._msgbox = msgbox
msgbox.setWindowTitle("Taurus Error")
self.setError(*msgbox.getError())
def setError(self, err_type=None, err_value=None, err_traceback=None):
"""Translates the given error object into an HTML string and places it
in the message panel
:param error: an error object (typically an exception object)
:type error: object"""
msgbox = self._msgbox
error = "".join(traceback.format_exception_only(err_type, err_value))
msgbox.setText(error)
msg = "%s
" % error
msgbox.setDetailedHtml(msg)
html_orig = '' \
''
exc_info = "".join(traceback.format_exception(err_type, err_value,
err_traceback))
style = ""
if pygments is not None:
formatter = HtmlFormatter()
style = formatter.get_style_defs()
html = html_orig.format(style=style)
if pygments is None:
html += "%s
" % exc_info
else:
formatter = HtmlFormatter()
html += highlight(exc_info, PythonTracebackLexer(), formatter)
html += ""
msgbox.setOriginHtml(html)
class TangoMessageErrorHandler(TaurusMessageErrorHandler):
"""This class is designed to handle :class:`PyTango.DevFailed` error into
a :class:`TaurusMessagePanel`"""
# TODO: tango-centric
def setError(self, err_type=None, err_value=None, err_traceback=None):
"""Translates the given error object into an HTML string and places it
it the message panel
:param error: an error object (typically an exception object)
:type error: object"""
msgbox = self._msgbox
html_orig = '' \
''
style, formatter = "", None
if pygments is not None:
formatter = HtmlFormatter()
style = formatter.get_style_defs()
html = html_orig.format(style=style)
for de in err_value.args:
e_html = """{reason}: {desc}{origin}
"""
origin, reason, desc = de.origin, de.reason, de.desc
if reason.startswith("PyDs_") and pygments is not None:
origin = highlight(origin, PythonTracebackLexer(), formatter)
else:
origin = "%s
" % origin
html += e_html.format(desc=desc, origin=origin, reason=reason)
html += ""
msgbox.setText(err_value.args[0].desc)
msgbox.setDetailedHtml(html)
exc_info = "".join(traceback.format_exception(err_type, err_value,
err_traceback))
html = html_orig.format(style=style)
if pygments is None:
html += "%s
" % exc_info
else:
html += highlight(exc_info, PythonTracebackLexer(), formatter)
html += "