old_contents: from __future__ import absolute_import
  from typing import Any, Dict
  
  from django.http import HttpRequest, HttpResponse
  from optparse import make_option
  from django.core.management.base import BaseCommand, CommandParser
  from zerver.models import get_user_profile_by_email, UserMessage
  from zerver.views.messages import get_messages_backend
  import cProfile
  import logging
  from zerver.middleware import LogRequests
  
  request_logger = LogRequests()
  
  class MockSession(object):
      def __init__(self):
          # type: () -> None
          self.modified = False
  
  class MockRequest(HttpRequest):
      def __init__(self, email):
          # type: (str) -> None
          self.user = get_user_profile_by_email(email)
          self.path = '/'
          self.method = "POST"
          self.META = {"REMOTE_ADDR": "127.0.0.1"}
          self.REQUEST = {
              "anchor": UserMessage.objects.filter(user_profile=self.user).order_by("-message")[200].message_id,
              "num_before": 1200,
              "num_after": 200
          }
          self.GET = {} # type: Dict[Any, Any]
          self.session = MockSession()
  
      def get_full_path(self):
          # type: () -> str
          return self.path
  
  def profile_request(request):
      # type: (HttpRequest) -> HttpResponse
      request_logger.process_request(request)
      prof = cProfile.Profile()
      prof.enable()
      ret = get_messages_backend(request, request.user,
                                 apply_markdown=True)
      prof.disable()
      prof.dump_stats("/tmp/profile.data")
      request_logger.process_response(request, ret)
      logging.info("Profiling data written to /tmp/profile.data")
      return ret
  
  class Command(BaseCommand):
      def add_arguments(self, parser):
          # type: (CommandParser) -> None
          parser.add_argument('--email', action='store')
  
      def handle(self, *args, **options):
          # type: (*Any, **Any) -> None
          profile_request(MockRequest(options["email"]))
  
new_contents: from __future__ import absolute_import
  from typing import Any, Dict
  
  from django.http import HttpRequest, HttpResponse
  from optparse import make_option
  from django.core.management.base import BaseCommand, CommandParser
  from zerver.models import get_user_profile_by_email, UserMessage
  from zerver.views.messages import get_messages_backend
  import cProfile
  import logging
  from zerver.middleware import LogRequests
  
  request_logger = LogRequests()
  
  class MockSession(object):
      def __init__(self):
          # type: () -> None
          self.modified = False
  
  class MockRequest(HttpRequest):
      def __init__(self, email):
          # type: (str) -> None
          self.user = get_user_profile_by_email(email)
          self.path = '/'
          self.method = "POST"
          self.META = {"REMOTE_ADDR": "127.0.0.1"}
          self.REQUEST = {
              "anchor": UserMessage.objects.filter(user_profile=self.user).order_by("-message")[200].message_id,
              "num_before": 1200,
              "num_after": 200
          }
          self.GET = {}  # type: Dict[Any, Any]
          self.session = MockSession()
  
      def get_full_path(self):
          # type: () -> str
          return self.path
  
  def profile_request(request):
      # type: (HttpRequest) -> HttpResponse
      request_logger.process_request(request)
      prof = cProfile.Profile()
      prof.enable()
      ret = get_messages_backend(request, request.user,
                                 apply_markdown=True)
      prof.disable()
      prof.dump_stats("/tmp/profile.data")
      request_logger.process_response(request, ret)
      logging.info("Profiling data written to /tmp/profile.data")
      return ret
  
  class Command(BaseCommand):
      def add_arguments(self, parser):
          # type: (CommandParser) -> None
          parser.add_argument('--email', action='store')
  
      def handle(self, *args, **options):
          # type: (*Any, **Any) -> None
          profile_request(MockRequest(options["email"]))
  
subject: Add compliance with rule E261 to commands/profile_request.py.