AdminZulipHandler: Extract add_request_metadata.

zerver/logging_handlers.py

@@ -1,7 +1,7 @@
 from __future__ import absolute_import
 
 from django.conf import settings
-from typing import Optional
+from typing import Any, Dict, Optional
 
 import logging
 import traceback
@@ -14,6 +14,46 @@ from django.views.debug import ExceptionReporter, get_exception_reporter_filter
 
 from zerver.lib.queue import queue_json_publish
 
+def add_request_metadata(report, request):
+    # type: (Dict[str, Any], HttpRequest) -> None
+    report['path'] = request.path
+    report['method'] = request.method
+    report['remote_addr'] = request.META.get('REMOTE_ADDR', None),
+    report['query_string'] = request.META.get('QUERY_STRING', None),
+    report['server_name'] = request.META.get('SERVER_NAME', None),
+    try:
+        from django.contrib.auth.models import AnonymousUser
+        user_profile = request.user
+        if isinstance(user_profile, AnonymousUser):
+            user_full_name = None
+            user_email = None
+        else:
+            user_full_name = user_profile.full_name
+            user_email = user_profile.email
+    except Exception:
+        # Unexpected exceptions here should be handled gracefully
+        traceback.print_exc()
+        user_full_name = None
+        user_email = None
+    report['user_email'] = user_email
+    report['user_full_name'] = user_full_name
+
+    exception_filter = get_exception_reporter_filter(request)
+    try:
+        report['data'] = request.GET if request.method == 'GET' else \
+            exception_filter.get_post_parameters(request)
+    except Exception:
+        # exception_filter.get_post_parameters will throw
+        # RequestDataTooBig if there's a really big file uploaded
+        report['data'] = {}
+
+    try:
+        report['host'] = request.get_host().split(':')[0]
+    except Exception:
+        # request.get_host() will throw a DisallowedHost
+        # exception if the host is invalid
+        report['host'] = platform.node()
+
 class AdminZulipHandler(logging.Handler):
     """An exception log handler that sends the exception to the queue to be
        sent to the Zulip feedback server.
@@ -26,12 +66,8 @@ class AdminZulipHandler(logging.Handler):
         logging.Handler.__init__(self)
 
     def emit(self, record):
-        # type: (ExceptionReporter) -> None
+        # type: (logging.LogRecord) -> None
         try:
-            request = record.request  # type: HttpRequest
-
-            exception_filter = get_exception_reporter_filter(request)
-
             if record.exc_info:
                 stack_trace = ''.join(traceback.format_exception(*record.exc_info))  # type: Optional[str]
             else:
@@ -42,44 +78,7 @@ class AdminZulipHandler(logging.Handler):
                 message = record.getMessage(),
                 stack_trace = stack_trace,
             )
-
+            add_request_metadata(report, record.request)  # type: ignore  # record.request is added dynamically
-            report['path'] = request.path
-            report['method'] = request.method
-            report['remote_addr'] = request.META.get('REMOTE_ADDR', None),
-            report['query_string'] = request.META.get('QUERY_STRING', None),
-            report['server_name'] = request.META.get('SERVER_NAME', None),
-            try:
-                from django.contrib.auth.models import AnonymousUser
-                user_profile = request.user
-                if isinstance(user_profile, AnonymousUser):
-                    user_full_name = None
-                    user_email = None
-                else:
-                    user_full_name = user_profile.full_name
-                    user_email = user_profile.email
-            except Exception:
-                # Unexpected exceptions here should be handled gracefully
-                traceback.print_exc()
-                user_full_name = None
-                user_email = None
-            report['user_email'] = user_email
-            report['user_full_name'] = user_full_name
-
-            try:
-                report['data'] = request.GET if request.method == 'GET' else \
-                    exception_filter.get_post_parameters(request)
-            except Exception:
-                # exception_filter.get_post_parameters will throw
-                # RequestDataTooBig if there's a really big file uploaded
-                report['data'] = {}
-
-            try:
-                report['host'] = request.get_host().split(':')[0]
-            except Exception:
-                # request.get_host() will throw a DisallowedHost
-                # exception if the host is invalid
-                report['host'] = platform.node()
-
         except Exception:
             traceback.print_exc()
             report = dict(