old_contents: import base64
  import binascii
  
  try:
      from functools import wraps
  except ImportError:
      from django.utils.functional import wraps
  
  from .models import Key
  
  
  def accepts_auth_key(func):
      """
      Enable a view to accept an auth key via HTTP Basic Auth.
      Key ID expected as username, secret as password.
      On successful auth, the request will be set with the authkey and the user
      owning the key
      """
      @wraps(func)
      def process(request, *args, **kwargs):
          request.authkey = None
          http_auth = request.META.get('HTTP_AUTHORIZATION', '')
          if http_auth:
              try:
                  basic, b64_auth = http_auth.split(' ', 1)
                  if 'Basic' == basic:
                      auth = base64.decodestring(b64_auth)
                      key_id, secret = auth.split(':', 1)
                      key = Key.objects.get(key=key_id)
                      if key.check_secret(secret):
                          request.authkey = key
                          request.user = key.user
              except (binascii.Error, ValueError, Key.DoesNotExist):
                  pass
          return func(request, *args, **kwargs)
  
      return process
  
new_contents: import base64
  import binascii
  from functools import wraps
  
  from .models import Key
  
  
  def accepts_auth_key(func):
      """
      Enable a view to accept an auth key via HTTP Basic Auth.
      Key ID expected as username, secret as password.
      On successful auth, the request will be set with the authkey and the user
      owning the key
      """
      @wraps(func)
      def process(request, *args, **kwargs):
          request.authkey = None
          http_auth = request.META.get('HTTP_AUTHORIZATION', '')
          if http_auth:
              try:
                  basic, b64_auth = http_auth.split(' ', 1)
                  if 'Basic' == basic:
                      auth = base64.decodestring(b64_auth)
                      key_id, secret = auth.split(':', 1)
                      key = Key.objects.get(key=key_id)
                      if key.check_secret(secret):
                          request.authkey = key
                          request.user = key.user
              except (binascii.Error, ValueError, Key.DoesNotExist):
                  pass
          return func(request, *args, **kwargs)
  
      return process
  
subject: remove legacy condition