docs: def get_stats_snmp(self, bulk=False, snmp_oid=None):
          """Update stats using SNMP.
  
          If bulk=True, use a bulk request instead of a get request.
          """
          snmp_oid = snmp_oid or {}
  
          from glances.snmp import GlancesSNMPClient
  
          # Init the SNMP request
          clientsnmp = GlancesSNMPClient(host=self.args.client,
                                         port=self.args.snmp_port,
                                         version=self.args.snmp_version,
                                         community=self.args.snmp_community)
  
          # Process the SNMP request
          ret = {}
          if bulk:
              # Bulk request
              snmpresult = clientsnmp.getbulk_by_oid(0, 10, itervalues(*snmp_oid))
  
              if len(snmp_oid) == 1:
                  # Bulk command for only one OID
                  # Note: key is the item indexed but the OID result
                  for item in snmpresult:
                      if iterkeys(item)[0].startswith(itervalues(snmp_oid)[0]):
                          ret[iterkeys(snmp_oid)[0] + iterkeys(item)
                              [0].split(itervalues(snmp_oid)[0])[1]] = itervalues(item)[0]
              else:
                  # Build the internal dict with the SNMP result
                  # Note: key is the first item in the snmp_oid
                  index = 1
                  for item in snmpresult:
                      item_stats = {}
                      item_key = None
                      for key in iterkeys(snmp_oid):
                          oid = snmp_oid[key] + '.' + str(index)
                          if oid in item:
                              if item_key is None:
                                  item_key = item[oid]
                              else:
                                  item_stats[key] = item[oid]
                      if item_stats:
                          ret[item_key] = item_stats
                      index += 1
          else:
              # Simple get request
              snmpresult = clientsnmp.get_by_oid(itervalues(*snmp_oid))
  
              # Build the internal dict with the SNMP result
              for key in iterkeys(snmp_oid):
                  ret[key] = snmpresult[snmp_oid[key]]
  
          return ret