crash reporter: in Qt subclass, do network request using WaitingDialog

so it does not block the GUI

electrum/base_crash_reporter.py

@@ -31,10 +31,10 @@ from .version import ELECTRUM_VERSION
 from . import constants
 from .i18n import _
 from .util import make_aiohttp_session
-from .logging import describe_os_version
+from .logging import describe_os_version, Logger
 
 
-class BaseCrashReporter:
+class BaseCrashReporter(Logger):
     report_server = "https://crashhub.electrum.org"
     config_key = "show_crash_reporter"
     issue_template = """<h2>Traceback</h2>
@@ -59,9 +59,10 @@ class BaseCrashReporter:
     ASK_CONFIRM_SEND = _("Do you want to send this report?")
 
     def __init__(self, exctype, value, tb):
+        Logger.__init__(self)
         self.exc_args = (exctype, value, tb)
 
-    def send_report(self, asyncio_loop, proxy, endpoint="/crash"):
+    def send_report(self, asyncio_loop, proxy, endpoint="/crash", *, timeout=None):
         if constants.net.GENESIS[-4:] not in ["4943", "e26f"] and ".electrum.org" in BaseCrashReporter.report_server:
             # Gah! Some kind of altcoin wants to send us crash reports.
             raise Exception(_("Missing report URL."))
@@ -69,7 +70,7 @@ class BaseCrashReporter:
         report.update(self.get_additional_info())
         report = json.dumps(report)
         coro = self.do_post(proxy, BaseCrashReporter.report_server + endpoint, data=report)
-        response = asyncio.run_coroutine_threadsafe(coro, asyncio_loop).result(5)
+        response = asyncio.run_coroutine_threadsafe(coro, asyncio_loop).result(timeout)
         return response
 
     async def do_post(self, proxy, url, data):

electrum/gui/kivy/uix/dialogs/crash_reporter.py

@@ -119,8 +119,11 @@ class CrashReporter(BaseCrashReporter, Factory.Popup):
         try:
             loop = self.main_window.network.asyncio_loop
             proxy = self.main_window.network.proxy
-            response = json.loads(BaseCrashReporter.send_report(self, loop, proxy, "/crash.json"))
+            # FIXME network request in GUI thread...
+            response = json.loads(BaseCrashReporter.send_report(self, loop, proxy,
+                                                                "/crash.json", timeout=10))
         except (ValueError, ClientError):
+            #self.logger.debug("", exc_info=True)
             self.show_popup(_('Unable to send report'), _("Please check your network connection."))
         else:
             self.show_popup(_('Report sent'), response["text"])

electrum/gui/qt/exception_window.py

@@ -33,7 +33,7 @@ from PyQt5.QtWidgets import (QWidget, QLabel, QPushButton, QTextEdit,
 from electrum.i18n import _
 from electrum.base_crash_reporter import BaseCrashReporter
 from electrum.logging import Logger
-from .util import MessageBoxMixin, read_QIcon
+from .util import MessageBoxMixin, read_QIcon, WaitingDialog
 
 
 class Exception_Window(BaseCrashReporter, QWidget, MessageBoxMixin, Logger):
@@ -96,17 +96,23 @@ class Exception_Window(BaseCrashReporter, QWidget, MessageBoxMixin, Logger):
         self.show()
 
     def send_report(self):
-        try:
-            proxy = self.main_window.network.proxy
-            response = BaseCrashReporter.send_report(self, self.main_window.network.asyncio_loop, proxy)
-        except BaseException as e:
-            self.logger.exception('There was a problem with the automatic reporting')
-            self.main_window.show_critical(_('There was a problem with the automatic reporting:') + '\n' +
-                                           str(e) + '\n' +
-                                           _("Please report this issue manually."))
-            return
-        QMessageBox.about(self, _("Crash report"), response)
+        def on_success(response):
+            self.show_message(parent=self,
+                              title=_("Crash report"),
+                              msg=response)
             self.close()
+        def on_failure(exc_info):
+            e = exc_info[1]
+            self.logger.error('There was a problem with the automatic reporting', exc_info=exc_info)
+            self.show_critical(parent=self,
+                               msg=(_('There was a problem with the automatic reporting:') + '\n' +
+                                    str(e) + '\n' +
+                                    _("Please report this issue manually.")))
+
+        proxy = self.main_window.network.proxy
+        task = lambda: BaseCrashReporter.send_report(self, self.main_window.network.asyncio_loop, proxy)
+        msg = _('Sending crash report...')
+        WaitingDialog(self, msg, task, on_success, on_failure)
 
     def on_close(self):
         Exception_Window._active_window = None