How to use the dirac.lib.base.c.result.append function in DIRAC

if selector == "Site":
        tier1 = gConfig.getValue("/Website/PreferredSites",[])
        if len(tier1) > 0:
          tier1.sort()
          for i in tier1:
            if result.has_key(i):
              countryCode = i.rsplit(".",1)[1]
              c.result.append({"Key":i,"Value":result[i],"Code":countryCode})
      for key in keylist:
        if selector == "Site" and tier1:
          if key not in tier1:
            try:
              countryCode = key.rsplit(".",1)[1]
            except:
              countryCode = "Unknown"
            c.result.append({"Key":key,"Value":result[key],"Code":countryCode})
        elif selector == "Site" and not tier1:
          try:
            countryCode = key.rsplit(".",1)[1]
          except:
            countryCode = "Unknown"
          c.result.append({"Key":key,"Value":result[key],"Code":countryCode})
        else:
          c.result.append({"Key":key,"Value":result[key]})
      c.result = {"success":"true","result":c.result}
    else:
      c.result = {"success":"false","error":result["Message"]}
    return c.result
################################################################################

result = result["Value"]
      gLogger.info("ReS",result)
      if result.has_key("TotalRecords"):
        if  result["TotalRecords"] > 0:
          if result.has_key("ParameterNames") and result.has_key("Records"):
            if len(result["ParameterNames"]) > 0:
              if len(result["Records"]) > 0:
                c.result = []
                jobs = result["Records"]
                head = result["ParameterNames"]
                headLength = len(head)
                for i in jobs:
                  tmp = {}
                  for j in range(0,headLength):
                    tmp[head[j]] = i[j]
                  c.result.append(tmp)
                total = result["TotalRecords"]
                timestamp = Time.dateTime().strftime("%Y-%m-%d %H:%M [UTC]")
                if result.has_key("Extras"):
                  st = self.__dict2string(req)
                  extra = result["Extras"]
                  c.result = {"success":"true","result":c.result,"total":total,"extra":extra,"request":st,"date":timestamp}
                else:
                  c.result = {"success":"true","result":c.result,"total":total,"date":timestamp}
              else:
                c.result = {"success":"false","result":"","error":"There are no data to display"}
            else:
              c.result = {"success":"false","result":"","error":"ParameterNames field is missing"}
          else:
            c.result = {"success":"false","result":"","error":"Data structure is corrupted"}
        else:
          c.result = {"success":"false","result":"","error":"There were no data matching your selection"}

def __getParams(self,id):
    try:
      id = int(id)
    except Exception,x:
      c.result = {"success":"false","error":"%s" % str(x)}
      return c.result
    RPC = getRPCClient("WorkloadManagement/JobMonitoring")
    result = RPC.getJobParameters(id)
    if result["OK"]:
      attr = result["Value"]
      c.result = []
      for i in attr.items():
        if i[0] != "StandardOutput":
          c.result.append([i[0],i[1]])
      c.result = {"success":"true","result":c.result}
    else:
      c.result = {"success":"false","error":result["Message"]}
    gLogger.info("Params:",id)
    return c.result
################################################################################

def __getPending(self,id):
    try:
      id = int(id)
    except Exception,x:
      c.result = {"success":"false","error":"%s" % str(x)}
      return c.result
    RPC = getRPCClient( "RequestManagement/ReqManager" )
    result = RPC.readRequestsForJobs( [id] )
    if result["OK"]:
      c.result = []
      if id in result['Value']['Successful']:
        req = Request(result['Value']['Successful'][id]).getDigest()['Value']
        c.result.append( ["PendingRequest", req] )
        c.result = {"success":"true", "result":c.result}
      elif id in result['Value']['Failed']: # when no request associated to the job
        c.result = {"success":"false", "error":result['Value']["Failed"][id]}
      else:
        c.result = {"success":"false", "error":"No request found with unknown reason"}
    else:
      c.result = {"success":"false","error":result["Message"]}
    gLogger.info("Params:",id)
    return c.result
  ################################################################################

def __getBasicInfo(self,id):
    RPC = getRPCClient("WorkloadManagement/JobMonitoring")
    result = RPC.getJobSummary(id)
    if result["OK"]:
      itemList = result["Value"]
      c.result = []
      for key,value in itemList.items():
        c.result.append([key,value])
      c.result = {"success":"true","result":c.result}
    else:
      c.result = {"success":"false","error":result["Message"]}
    gLogger.info("BasicInfo:",id)
    return c.result
################################################################################