[WIP] Crash reports android (#3870)

* Split crash reporter class

In Qt related stuff and basic stuff.

* Crash reports from Android

* Ignore exceptions in crash_reporter (if any)

* Open issue in browser

* Switch back to real server

lib/base_crash_reporter.py

@@ -0,0 +1,125 @@
+# 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 traceback
+import subprocess
+import sys
+import os
+
+import requests
+
+from electrum import ELECTRUM_VERSION, constants
+from electrum.i18n import _
+
+
+class BaseCrashReporter(object):
+    report_server = "https://crashhub.electrum.org"
+    config_key = "show_crash_reporter"
+    issue_template = """<h2>Traceback</h2>
+<pre>
+{traceback}
+</pre>
+
+<h2>Additional information</h2>
+<ul>
+  <li>Electrum version: {app_version}</li>
+  <li>Operating system: {os}</li>
+  <li>Wallet type: {wallet_type}</li>
+  <li>Locale: {locale}</li>
+</ul>
+    """
+    CRASH_MESSAGE = _('Something went wrong while executing Electrum.')
+    CRASH_TITLE = _('Sorry!')
+    REQUEST_HELP_MESSAGE = _('To help us diagnose and fix the problem, you can send us a bug report that contains '
+                             'useful debug information:')
+    DESCRIBE_ERROR_MESSAGE = _("Please briefly describe what led to the error (optional):")
+    ASK_CONFIRM_SEND = _("Do you want to send this report?")
+
+    def __init__(self, exctype, value, tb):
+        self.exc_args = (exctype, value, tb)
+
+    def send_report(self, endpoint="/crash"):
+        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 BaseException(_("Missing report URL."))
+        report = self.get_traceback_info()
+        report.update(self.get_additional_info())
+        report = json.dumps(report)
+        response = requests.post(BaseCrashReporter.report_server + endpoint, data=report)
+        return response
+
+    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 = {
+            "app_version": ELECTRUM_VERSION,
+            "os": self.get_os_version(),
+            "wallet_type": "unknown",
+            "locale": locale.getdefaultlocale()[0] or "?",
+            "description": self.get_user_description()
+        }
+        try:
+            args["wallet_type"] = self.get_wallet_type()
+        except:
+            # Maybe the wallet isn't loaded yet
+            pass
+        try:
+            args["app_version"] = self.get_git_version()
+        except:
+            # This is probably not running from source
+            pass
+        return args
+
+    @staticmethod
+    def get_git_version():
+        dir = os.path.dirname(os.path.realpath(sys.argv[0]))
+        version = subprocess.check_output(
+            ['git', 'describe', '--always', '--dirty'], cwd=dir)
+        return str(version, "utf8").strip()
+
+    def get_report_string(self):
+        info = self.get_additional_info()
+        info["traceback"] = "".join(traceback.format_exception(*self.exc_args))
+        return self.issue_template.format(**info)
+
+    def get_user_description(self):
+        raise NotImplementedError
+
+    def get_wallet_type(self):
+        raise NotImplementedError
+
+    def get_os_version(self):
+        raise NotImplementedError