246 lines
8.4 KiB
Python
246 lines
8.4 KiB
Python
# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
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#
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# This file is part of qutebrowser.
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#
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# qutebrowser is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# qutebrowser is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
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"""The dialog which gets shown when qutebrowser crashes."""
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import sys
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import traceback
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from urllib.error import URLError
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from PyQt5.QtCore import Qt, QSize
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from PyQt5.QtGui import QClipboard
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from PyQt5.QtWidgets import (QDialog, QLabel, QTextEdit, QPushButton,
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QVBoxLayout, QHBoxLayout, QApplication)
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import qutebrowser.config.config as config
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import qutebrowser.utils.misc as utils
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import qutebrowser.utils.log as logutils
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from qutebrowser.utils.version import version
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class _CrashDialog(QDialog):
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"""Dialog which gets shown after there was a crash.
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Attributes:
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These are just here to have a static reference to avoid GCing.
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_vbox: The main QVBoxLayout
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_lbl: The QLabel with the static text
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_txt: The QTextEdit with the crash information
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_hbox: The QHboxLayout containing the buttons
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_url: Pastebin URL QLabel.
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_crash_info: A list of tuples with title and crash information.
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"""
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def __init__(self):
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"""Constructor for CrashDialog."""
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super().__init__()
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self._crash_info = None
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self._hbox = None
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self._lbl = None
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self._gather_crash_info()
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self.setWindowTitle("Whoops!")
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self.resize(QSize(800, 600))
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self._vbox = QVBoxLayout(self)
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self._init_text()
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self._txt = QTextEdit()
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self._txt.setText(self._format_crash_info())
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self._vbox.addWidget(self._txt)
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self._url = QLabel()
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self._set_text_flags(self._url)
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self._vbox.addWidget(self._url)
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self._init_buttons()
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def _init_text(self):
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"""Initialize the main text to be displayed on an exception.
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Should be extended by superclass to set the actual text."""
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self._lbl = QLabel()
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self._lbl.setWordWrap(True)
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self._set_text_flags(self._lbl)
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self._vbox.addWidget(self._lbl)
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def _init_buttons(self):
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"""Initialize the buttons.
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Should be extended by superclass to provide the actual buttons.
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"""
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self._hbox = QHBoxLayout()
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self._hbox.addStretch()
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self._vbox.addLayout(self._hbox)
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def _set_text_flags(self, obj):
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"""Set text interaction flags of a widget to allow link clicking.
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Args:
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obj: A QLabel.
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"""
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obj.setTextInteractionFlags(Qt.TextSelectableByMouse |
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Qt.TextSelectableByKeyboard |
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Qt.LinksAccessibleByMouse |
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Qt.LinksAccessibleByKeyboard)
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def _gather_crash_info(self):
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"""Gather crash information to display.
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Args:
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pages: A list of the open pages (URLs as strings)
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cmdhist: A list with the command history (as strings)
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exc: An exception tuple (type, value, traceback)
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"""
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self._crash_info = [
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("Version info", version()),
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("Commandline args", ' '.join(sys.argv[1:])),
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]
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try:
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self._crash_info.append(("Config",
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config.instance().dump_userconfig()))
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except AttributeError:
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pass
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try:
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self._crash_info.append(("Debug log",
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logutils.ram_handler.dump_log()))
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except AttributeError:
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pass
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def _format_crash_info(self):
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"""Format the gathered crash info to be displayed.
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Return:
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The string to display.
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"""
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chunks = []
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for (header, body) in self._crash_info:
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if body is not None:
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h = '==== {} ===='.format(header)
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chunks.append('\n'.join([h, body]))
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return '\n\n'.join(chunks)
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def pastebin(self):
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"""Paste the crash info into the pastebin."""
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try:
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url = utils.pastebin(self._txt.toPlainText())
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except (URLError, ValueError) as e:
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self._url.setText('Error while pasting: {}'.format(e))
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return
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self._btn_pastebin.setEnabled(False)
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self._url.setText("URL copied to clipboard: "
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"<a href='{}'>{}</a>".format(url, url))
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QApplication.clipboard().setText(url, QClipboard.Clipboard)
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class ExceptionCrashDialog(_CrashDialog):
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"""Dialog which gets shown on an exception.
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Attributes:
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_btn_quit: The quit button
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_btn_restore: the restore button
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_btn_pastebin: the pastebin button
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_pages: A list of the open pages (URLs as strings)
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_cmdhist: A list with the command history (as strings)
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_exc: An exception tuple (type, value, traceback)
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"""
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def __init__(self, pages, cmdhist, exc):
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self._pages = pages
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self._cmdhist = cmdhist
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self._exc = exc
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self._btn_quit = None
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self._btn_restore = None
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self._btn_pastebin = None
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super().__init__()
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self.setModal(True)
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def _init_text(self):
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super()._init_text()
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text = ("Argh! qutebrowser crashed unexpectedly.<br/>"
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"Please review the info below to remove sensitive data and "
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"then submit it to <a href='mailto:crash@qutebrowser.org'>"
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"crash@qutebrowser.org</a> or click 'pastebin'.<br/><br/>")
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if self._pages:
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text += ("You can click 'Restore tabs' to attempt to reopen your "
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"open tabs.")
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self._lbl.setText(text)
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def _init_buttons(self):
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super()._init_buttons()
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self._btn_quit = QPushButton()
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self._btn_quit.setText("Quit")
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self._btn_quit.clicked.connect(self.reject)
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self._hbox.addWidget(self._btn_quit)
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self._btn_pastebin = QPushButton()
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self._btn_pastebin.setText("Pastebin")
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self._btn_pastebin.clicked.connect(self.pastebin)
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self._hbox.addWidget(self._btn_pastebin)
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if self._pages:
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self._btn_restore = QPushButton()
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self._btn_restore.setText("Restore tabs")
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self._btn_restore.clicked.connect(self.accept)
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self._btn_restore.setDefault(True)
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self._hbox.addWidget(self._btn_restore)
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def _gather_crash_info(self):
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super()._gather_crash_info()
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self._crash_info += [
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("Exception", ''.join(traceback.format_exception(*self._exc))),
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("Open Pages", '\n'.join(self._pages)),
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("Command history", '\n'.join(self._cmdhist)),
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]
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class FatalCrashDialog(_CrashDialog):
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"""Dialog which gets shown when a fatal error occured.
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Attributes:
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_log: The log text to display.
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_btn_ok: The OK button.
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_btn_pastebin: The pastebin button.
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"""
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def __init__(self, log):
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self._log = log
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self._btn_ok = None
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self._btn_pastebin = None
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super().__init__()
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def _init_text(self):
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super()._init_text()
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text = ("qutebrowser was restarted after a fatal crash.<br/>"
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"Please click on 'pastebin' or send the data below to "
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"<a href='mailto:crash@qutebrowser.org'>"
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"crash@qutebrowser.org</a>.<br/><br/>")
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self._lbl.setText(text)
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def _init_buttons(self):
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super()._init_buttons()
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self._btn_ok = QPushButton()
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self._btn_ok.setText("OK")
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self._btn_ok.clicked.connect(self.accept)
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self._hbox.addWidget(self._btn_ok)
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self._btn_pastebin = QPushButton()
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self._btn_pastebin.setText("Pastebin")
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self._btn_pastebin.clicked.connect(self.pastebin)
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self._hbox.addWidget(self._btn_pastebin)
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def _gather_crash_info(self):
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super()._gather_crash_info()
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self._crash_info += [
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("Fault log", self._log),
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]
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