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# This file is part of the Frescobaldi project, http://www.frescobaldi.org/
#
# Copyright (c) 2008 - 2014 by Wilbert Berendsen
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# See http://www.gnu.org/licenses/ for more information.
"""
Exception dialog for unhandled Python exceptions
(which are bugs in our program).
"""
import traceback
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QTextCursor
from PyQt5.QtWidgets import (
QDialog, QDialogButtonBox, QLabel, QTextBrowser, QVBoxLayout)
import app
import icons
import widgets
import bugreport
class ExceptionDialog(QDialog):
"""Single-use dialog displaying a Python exception."""
def __init__(self, exctype, excvalue, exctb):
super(ExceptionDialog, self).__init__()
# _tbshort is the exception line only (last line of the traceback)
self._tbshort = ''.join(traceback.format_exception_only(exctype, excvalue))
# _tbfull is the full traceback
tbfull = traceback.format_exception(exctype, excvalue, exctb)
self._tbfull = ''.join(tbfull)
# _tblimited is the traceback, truncated to 5 frames max.
# We do this because of size limits on what you can pass to GitHub
# in a URL.
tblimited = traceback.format_exception(exctype, excvalue, exctb, limit=5)
self._tblimited = ''.join(tblimited)
self._ext_maintainer = app.extensions().is_extension_exception(tbfull)
layout = QVBoxLayout()
self.setLayout(layout)
self.errorLabel = QLabel()
layout.addWidget(self.errorLabel)
textview = QTextBrowser()
layout.addWidget(textview)
textview.setText(self._tbfull)
textview.moveCursor(QTextCursor.End)
layout.addWidget(widgets.Separator())
self.infoLabel = QLabel()
self.infoLabel.setWordWrap(True)
self.infoLabel.setOpenExternalLinks(True)
layout.addWidget(self.infoLabel)
b = self.buttons = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
b.button(QDialogButtonBox.Ok).setIcon(icons.get("tools-report-bug"))
layout.addWidget(b)
b.accepted.connect(self.accept)
b.rejected.connect(self.reject)
self.resize(600,300)
app.translateUI(self)
self.exec_()
def translateUI(self):
if self._ext_maintainer:
extension = self._ext_maintainer[0]
text = _("An internal error has occurred in extension '{name}':").format(name=extension)
title = _("Extension Error")
info = _("Please use the button below to send a bug report to the "
"maintainer of this extension by email.")
else:
text = _("An internal error has occurred:")
title = _("Internal Error")
info = _("We would highly appreciate if you used the button below "
"to open a new issue on GitHub, the development platform "
"used by the Frescobaldi project, to let developers "
"know about this problem. If you have general questions, "
"you can also send them to the <a href=\"https://groups.google.com/g/frescobaldi\">"
"Frescobaldi user group</a>.")
self.setWindowTitle(app.caption(title))
self.errorLabel.setText(text)
self.infoLabel.setText(info)
self.buttons.button(QDialogButtonBox.Ok).setText(_("Send Bug Report..."))
def done(self, result):
if result:
self.reportBug()
super(ExceptionDialog, self).done(result)
def reportBug(self):
if self._ext_maintainer:
# For now extensions don't have a way to use a custom bug reporting
# method, we use email.
extension = self._ext_maintainer[0]
rcpt = self._ext_maintainer[1]
ext_intro = '\n{}\n\n'.format(
_("An error occurred in extension '{name}'").format(name=extension))
ext_header = ' [{}]'.format(self._ext_maintainer[0])
bugreport.email(
self._tbshort + ext_header,
ext_intro + self._tbfull + '\n'
+ _("Optionally describe below what you were doing:"),
recipient=rcpt)
else:
body = (self._tblimited + '\n'
+ _("Optionally describe below what you were doing:"))
bugreport.new_github_issue(title=self._tbshort, body=body)
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