old_contents: #   Copyright (c) 2008 Mikeal Rogers
  #
  #   Licensed under the Apache License, Version 2.0 (the "License");
  #   you may not use this file except in compliance with the License.
  #   You may obtain a copy of the License at
  #
  #       http://www.apache.org/licenses/LICENSE-2.0
  #
  #   Unless required by applicable law or agreed to in writing, software
  #   distributed under the License is distributed on an "AS IS" BASIS,
  #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  #   See the License for the specific language governing permissions and
  #   limitations under the License.
  #
  # This file has been modified by edX.org
  
  """
  Methods for creating RequestContext for using with Mako templates.
  """
  
  
  from django.conf import settings
  from django.template import RequestContext
  from django.template.context import _builtin_context_processors
  from django.utils.module_loading import import_string
  from util.request import safe_get_host
  from crum import get_current_request
  
  from request_cache import get_request_cache
  
  
  def get_template_context_processors():
      """
      Returns the context processors defined in settings.TEMPLATES.
      """
      context_processors = _builtin_context_processors
      context_processors += tuple(settings.DEFAULT_TEMPLATE_ENGINE['OPTIONS']['context_processors'])
      return tuple(import_string(path) for path in context_processors)
  
  
  def get_template_request_context():
      """
      Returns the template processing context to use for the current request,
      or returns None if there is not a current request.
      """
  
      request_cache_dict = get_request_cache('edxmako')
      cache_key = "request_context"
      if cache_key in request_cache_dict:
          return request_cache_dict[cache_key]
  
      request = get_current_request()
  
      if request is None:
          return None
  
      context = RequestContext(request)
      context['is_secure'] = request.is_secure()
      context['site'] = safe_get_host(request)
  
      # This used to happen when a RequestContext object was initialized but was
      # moved to a different part of the logic when template engines were introduced.
      # Since we are not using template engines we do this here.
      # https://github.com/django/django/commit/37505b6397058bcc3460f23d48a7de9641cd6ef0
      for processor in get_template_context_processors():
          context.update(processor(request))
  
      request_cache_dict[cache_key] = context
  
      return context
  
new_contents: #   Copyright (c) 2008 Mikeal Rogers
  #
  #   Licensed under the Apache License, Version 2.0 (the "License");
  #   you may not use this file except in compliance with the License.
  #   You may obtain a copy of the License at
  #
  #       http://www.apache.org/licenses/LICENSE-2.0
  #
  #   Unless required by applicable law or agreed to in writing, software
  #   distributed under the License is distributed on an "AS IS" BASIS,
  #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  #   See the License for the specific language governing permissions and
  #   limitations under the License.
  #
  # This file has been modified by edX.org
  
  """
  Methods for creating RequestContext for using with Mako templates.
  """
  
  
  from django.conf import settings
  from django.template import RequestContext
  from django.template.context import _builtin_context_processors
  from django.utils.module_loading import import_string
  from util.request import safe_get_host
  from crum import get_current_request
  
  import request_cache
  
  
  def get_template_context_processors():
      """
      Returns the context processors defined in settings.TEMPLATES.
      """
      context_processors = _builtin_context_processors
      context_processors += tuple(settings.DEFAULT_TEMPLATE_ENGINE['OPTIONS']['context_processors'])
      return tuple(import_string(path) for path in context_processors)
  
  
  def get_template_request_context():
      """
      Returns the template processing context to use for the current request,
      or returns None if there is not a current request.
      """
  
      request_cache_dict = request_cache.get_cache('edxmako')
      cache_key = "request_context"
      if cache_key in request_cache_dict:
          return request_cache_dict[cache_key]
  
      request = get_current_request()
  
      if request is None:
          return None
  
      context = RequestContext(request)
      context['is_secure'] = request.is_secure()
      context['site'] = safe_get_host(request)
  
      # This used to happen when a RequestContext object was initialized but was
      # moved to a different part of the logic when template engines were introduced.
      # Since we are not using template engines we do this here.
      # https://github.com/django/django/commit/37505b6397058bcc3460f23d48a7de9641cd6ef0
      for processor in get_template_context_processors():
          context.update(processor(request))
  
      request_cache_dict[cache_key] = context
  
      return context
  
subject: Use the non-deprecated functions for edxmako to access the request_cache