URI: 
       tMerge pull request #2339 from bauerj/error-window - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
   DIR Refs
   DIR Submodules
       ---
   DIR commit 34080187ffb956ceb28100130c3f70716e7f4979
   DIR parent 6faef7efe34393e91e33afdfba0746f9794ddb4d
  HTML Author: ThomasV <thomasv@electrum.org>
       Date:   Tue, 30 Jan 2018 11:16:42 +0100
       
       Merge pull request #2339 from bauerj/error-window
       
       Semi-automated crash reporting
       Diffstat:
         M electrum                            |       7 +++++--
         A gui/qt/exception_window.py          |     181 +++++++++++++++++++++++++++++++
         M gui/qt/main_window.py               |      11 ++++++++++-
         M lib/util.py                         |      27 +++++++++++++++++++++++++++
       
       4 files changed, 223 insertions(+), 3 deletions(-)
       ---
   DIR diff --git a/electrum b/electrum
       t@@ -87,7 +87,8 @@ if is_local or is_android:
            imp.load_module('electrum_plugins', *imp.find_module('plugins'))
        
        
       -from electrum import bitcoin
       +
       +from electrum import bitcoin, util
        from electrum import SimpleConfig, Network
        from electrum.wallet import Wallet, Imported_Wallet
        from electrum.storage import WalletStorage
       t@@ -296,8 +297,10 @@ def init_plugins(config, gui_name):
            from electrum.plugins import Plugins
            return Plugins(config, is_local or is_android, gui_name)
        
       -if __name__ == '__main__':
        
       +if __name__ == '__main__':
       +    # The hook will only be used in the Qt GUI right now
       +    util.setup_thread_excepthook()
            # on osx, delete Process Serial Number arg generated for apps launched in Finder
            sys.argv = list(filter(lambda x: not x.startswith('-psn'), sys.argv))
        
   DIR diff --git a/gui/qt/exception_window.py b/gui/qt/exception_window.py
       t@@ -0,0 +1,181 @@
       +#!/usr/bin/env python
       +#
       +# Electrum - lightweight Bitcoin client
       +#
       +# Permission is hereby granted, free of charge, to any person
       +# obtaining a copy of this software and associated documentation files
       +# (the "Software"), to deal in the Software without restriction,
       +# including without limitation the rights to use, copy, modify, merge,
       +# publish, distribute, sublicense, and/or sell copies of the Software,
       +# and to permit persons to whom the Software is furnished to do so,
       +# subject to the following conditions:
       +#
       +# The above copyright notice and this permission notice shall be
       +# included in all copies or substantial portions of the Software.
       +#
       +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
       +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
       +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
       +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
       +# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
       +# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
       +# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
       +# SOFTWARE.
       +import json
       +import locale
       +import platform
       +import traceback
       +
       +import requests
       +from PyQt5.QtCore import QObject
       +import PyQt5.QtCore as QtCore
       +from PyQt5.QtGui import QIcon
       +from PyQt5.QtWidgets import *
       +
       +from electrum.i18n import _
       +import sys
       +from electrum import ELECTRUM_VERSION
       +
       +issue_template = """<h2>Traceback</h2>
       +<pre>
       +{traceback}
       +</pre>
       +
       +<h2>Additional information</h2>
       +<ul>
       +  <li>Electrum version: {electrum_version}</li>
       +  <li>Operating system: {os}</li>
       +  <li>Wallet type: {wallet_type}</li>
       +  <li>Locale: {locale}</li>
       +</ul>
       +"""
       +report_server = "https://crashhub.electrum.org/crash"
       +
       +
       +class Exception_Window(QWidget):
       +    _active_window = None
       +
       +    def __init__(self, main_window, exctype, value, tb):
       +        self.exc_args = (exctype, value, tb)
       +        self.main_window = main_window
       +        QWidget.__init__(self)
       +        self.setWindowTitle('Electrum - ' + _('An Error Occured'))
       +        self.setMinimumSize(600, 300)
       +
       +        main_box = QVBoxLayout()
       +
       +        heading = QLabel('<h2>' + _('Sorry!') + '</h2>')
       +        main_box.addWidget(heading)
       +        main_box.addWidget(QLabel(_('Something went wrong while executing Electrum.')))
       +
       +        main_box.addWidget(QLabel(
       +            _('To help us diagnose and fix the problem, you can send us a bug report that contains useful debug '
       +              'information:')))
       +
       +        collapse_info = QPushButton(_("Show report contents"))
       +        collapse_info.clicked.connect(lambda: QMessageBox.about(self, "Report contents", self.get_report_string()))
       +        main_box.addWidget(collapse_info)
       +
       +        main_box.addWidget(QLabel(_("Please briefly describe what led to the error (optional):")))
       +
       +        self.description_textfield = QTextEdit()
       +        self.description_textfield.setFixedHeight(50)
       +        main_box.addWidget(self.description_textfield)
       +
       +        main_box.addWidget(QLabel(_("Do you want to send this report?")))
       +
       +        buttons = QHBoxLayout()
       +
       +        report_button = QPushButton(_('Send Bug Report'))
       +        report_button.clicked.connect(self.send_report)
       +        report_button.setIcon(QIcon(":icons/tab_send.png"))
       +        buttons.addWidget(report_button)
       +
       +        never_button = QPushButton(_('Never'))
       +        never_button.clicked.connect(self.show_never)
       +        buttons.addWidget(never_button)
       +
       +        close_button = QPushButton(_('Not Now'))
       +        close_button.clicked.connect(self.close)
       +        buttons.addWidget(close_button)
       +
       +        main_box.addLayout(buttons)
       +
       +        self.setLayout(main_box)
       +        self.show()
       +
       +    def send_report(self):
       +        report = self.get_traceback_info()
       +        report.update(self.get_additional_info())
       +        report = json.dumps(report)
       +        response = requests.post(report_server, data=report)
       +        QMessageBox.about(self, "Crash report", response.text)
       +        self.close()
       +
       +    def on_close(self):
       +        Exception_Window._active_window = None
       +        sys.__excepthook__(*self.exc_args)
       +        self.close()
       +
       +    def show_never(self):
       +        self.main_window.config.set_key("show_crash_reporter", False)
       +        self.close()
       +
       +    def closeEvent(self, event):
       +        self.on_close()
       +        event.accept()
       +
       +    def get_traceback_info(self):
       +        exc_string = str(self.exc_args[1])
       +        stack = traceback.extract_tb(self.exc_args[2])
       +        readable_trace = "".join(traceback.format_list(stack))
       +        id = {
       +            "file": stack[-1].filename,
       +            "name": stack[-1].name,
       +            "type": self.exc_args[0].__name__
       +        }
       +        return {
       +            "exc_string": exc_string,
       +            "stack": readable_trace,
       +            "id": id
       +        }
       +
       +    def get_additional_info(self):
       +        args = {
       +            "electrum_version": ELECTRUM_VERSION,
       +            "os": platform.platform(),
       +            "wallet_type": "unknown",
       +            "locale": locale.getdefaultlocale()[0],
       +            "description": self.description_textfield.toPlainText()
       +        }
       +        try:
       +            args["wallet_type"] = self.main_window.wallet.wallet_type
       +        except:
       +            # Maybe the wallet isn't loaded yet
       +            pass
       +        return args
       +
       +    def get_report_string(self):
       +        info = self.get_additional_info()
       +        info["traceback"] = "".join(traceback.format_exception(*self.exc_args))
       +        return issue_template.format(**info)
       +
       +
       +def _show_window(*args):
       +    if not Exception_Window._active_window:
       +        Exception_Window._active_window = Exception_Window(*args)
       +
       +
       +class Exception_Hook(QObject):
       +    _report_exception = QtCore.pyqtSignal(object, object, object, object)
       +
       +    def __init__(self, main_window, *args, **kwargs):
       +        super(Exception_Hook, self).__init__(*args, **kwargs)
       +        if not main_window.config.get("show_crash_reporter", default=True):
       +            return
       +        self.main_window = main_window
       +        sys.excepthook = self.handler
       +        self._report_exception.connect(_show_window)
       +
       +    def handler(self, *args):
       +        self._report_exception.emit(self.main_window, *args)
   DIR diff --git a/gui/qt/main_window.py b/gui/qt/main_window.py
       t@@ -32,8 +32,11 @@ from decimal import Decimal
        import base64
        from functools import partial
        
       -from PyQt5.QtCore import Qt
        from PyQt5.QtGui import *
       +from PyQt5.QtCore import *
       +import PyQt5.QtCore as QtCore
       +
       +from .exception_window import Exception_Hook
        from PyQt5.QtWidgets import *
        
        from electrum.util import bh2u, bfh
       t@@ -103,6 +106,9 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
        
                self.gui_object = gui_object
                self.config = config = gui_object.config
       +
       +        self.setup_exception_hook()
       +
                self.network = gui_object.daemon.network
                self.fx = gui_object.daemon.fx
                self.invoices = wallet.invoices
       t@@ -204,6 +210,9 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
            def on_history(self, b):
                self.new_fx_history_signal.emit()
        
       +    def setup_exception_hook(self):
       +        Exception_Hook(self)
       +
            def on_fx_history(self):
                self.history_list.refresh_headers()
                self.history_list.update()
   DIR diff --git a/lib/util.py b/lib/util.py
       t@@ -707,3 +707,29 @@ class QueuePipe:
                    self.send(request)
        
        
       +
       +
       +def setup_thread_excepthook():
       +    """
       +    Workaround for `sys.excepthook` thread bug from:
       +    http://bugs.python.org/issue1230540
       +
       +    Call once from the main thread before creating any threads.
       +    """
       +
       +    init_original = threading.Thread.__init__
       +
       +    def init(self, *args, **kwargs):
       +
       +        init_original(self, *args, **kwargs)
       +        run_original = self.run
       +
       +        def run_with_except_hook(*args2, **kwargs2):
       +            try:
       +                run_original(*args2, **kwargs2)
       +            except Exception:
       +                sys.excepthook(*sys.exc_info())
       +
       +        self.run = run_with_except_hook
       +
       +    threading.Thread.__init__ = init
       +\ No newline at end of file