drce.CommandConvertor.CommandConvertor Class Reference

Convertor which used to convert Task*Reques to json and TaskResponse from json. More...

Inheritance diagram for drce.CommandConvertor.CommandConvertor:

Collaboration diagram for drce.CommandConvertor.CommandConvertor:

Public Member Functions
def	to_json (self, taskRequestObj, log=None)
	convert from Task*Reques object to json string More...
def	from_json (self, json_string)
	convert from json string to TaskResponse More...

Detailed Description

Convertor which used to convert Task*Reques to json and TaskResponse from json.

Convert Request to json and restore Response from json

Definition at line 161 of file CommandConvertor.py.

Member Function Documentation

from_json()

def drce.CommandConvertor.CommandConvertor.from_json	(		self,
			json_string
	)

convert from json string to TaskResponse

Parameters

json_string

json string

Returns

TaskResponse or throw CommandConvertorError

Definition at line 198 of file CommandConvertor.py.

  def from_json(self, json_string):
    try:
      drceResponseObj = json.loads(json_string, cls=TaskResponseDecoder)
      for item in drceResponseObj.items:
        #For each item in DRCE response base64decode encoded fields
        item.stderror = base64.b64decode(item.stderror)
        item.stdout = base64.b64decode(item.stdout)
      return drceResponseObj
    except (ValueError, KeyError, TypeError) as err:
      raise CommandConvertorError("convert from json " + err.message)

to_json()

def drce.CommandConvertor.CommandConvertor.to_json	(		self,
			taskRequestObj,
			log = None
	)

convert from Task*Reques object to json string

Parameters

cmdObj

an instance of Task*Request object

Returns

json string or throw CommandConvertorError

Definition at line 170 of file CommandConvertor.py.

  def to_json(self, taskRequestObj, log=None):
    cmd_json = None
    try:
      cmd_json = taskRequestObj.toJSON()
      if log is not None:
        log.debug("!!! cmd_json: %s", cmd_json)

      cmd_json = json.loads(cmd_json)

      if "data" in cmd_json:
        data_json = json.dumps(cmd_json["data"])
      else:
        raise CommandConvertorError("convert to json error, \"data\" field not found!")

      cmd_json["data"] = base64.b64encode(data_json)
      cmd_json = json.dumps(cmd_json)

      return cmd_json

    except (TypeError, ValueError) as err:
      raise CommandConvertorError("convert to json error : " + str(err) + "\n" + Utils.varDump(taskRequestObj) + '\n' + Utils.getTracebackInfo() + \
                                  "\ncmd_json: " + Utils.varDump(cmd_json) + "\ntaskRequestObj: " + Utils.varDump(taskRequestObj))

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The documentation for this class was generated from the following file:

• sources/hce/drce/CommandConvertor.py