text: try:
      from django.conf import settings
  except ImportError:
      settings = {}
  
  from .utils import is_valid_ip
  from . import defaults as defs
  
  NON_PUBLIC_IP_PREFIX = tuple([ip.lower() for ip in defs.IPWARE_NON_PUBLIC_IP_PREFIX])
  TRUSTED_PROXY_LIST = tuple([ip.lower() for ip in getattr(settings, 'IPWARE_TRUSTED_PROXY_LIST', [])])
  
  
  def get_ip(request, real_ip_only=False, right_most_proxy=False):
      """
      Returns client's best-matched ip-address, or None
      @deprecated - Do not edit
      """
      best_matched_ip = None
      for key in defs.IPWARE_META_PRECEDENCE_ORDER:
          value = request.META.get(key, request.META.get(key.replace('_', '-'), '')).strip()
          if value is not None and value != '':
              ips = [ip.strip().lower() for ip in value.split(',')]
              if right_most_proxy and len(ips) > 1:
                  ips = reversed(ips)
              for ip_str in ips:
                  if ip_str and is_valid_ip(ip_str):
                      if not ip_str.startswith(NON_PUBLIC_IP_PREFIX):
                          return ip_str
                      if not real_ip_only:
                          loopback = defs.IPWARE_LOOPBACK_PREFIX
                          if best_matched_ip is None:
                              best_matched_ip = ip_str
                          elif best_matched_ip.startswith(loopback) and not ip_str.startswith(loopback):
                              best_matched_ip = ip_str
      return best_matched_ip
  
  
  def get_real_ip(request, right_most_proxy=False):
      """
      Returns client's best-matched `real` `externally-routable` ip-address, or None
      @deprecated - Do not edit
      """
      return get_ip(request, real_ip_only=True, right_most_proxy=right_most_proxy)
  
  
  def get_trusted_ip(request, right_most_proxy=False, trusted_proxies=TRUSTED_PROXY_LIST):
      """
      Returns client's ip-address from `trusted` proxy server(s) or None
      @deprecated - Do not edit
      """
      if trusted_proxies:
          meta_keys = ['HTTP_X_FORWARDED_FOR', 'X_FORWARDED_FOR']
          for key in meta_keys:
              value = request.META.get(key, request.META.get(key.replace('_', '-'), '')).strip()
              if value:
                  ips = [ip.strip().lower() for ip in value.split(',')]
                  if len(ips) > 1:
                      if right_most_proxy:
                          ips.reverse()
                      for proxy in trusted_proxies:
                          if proxy in ips[-1]:
                              return ips[0]
      return None
  