Python write csv data to list and dictionary type variable script method

#coding=utf8
import csv 
import logging
(level=,
        format='%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s',
        datefmt='%a, %d %b %Y %H:%M:%S',
        filename='',
        filemode='w')
'''
The main function of this module, based on an existing csv file, is to
Through the readDataToDicl function, the corresponding part of the csv.
into a dictionary, each dictionary as a json data
'''
class GenExceptData(object):
  def __init__(self):
    try:
      # Stores the data read from the csv
      =[]
      # Open csv file, set read permissions
      csvHand=open("","r")
      # Create a handle to read a csv file.
      readcsv=(csvHand)
      #Read csv data into mdbuffer
      for row in readcsv:
          (row) 
      # Dress the data as a dictionary of type
      #()
      #Save the file
    except Exception,e:
      ("Read Excel error:"+e) 
    finally:
      #Close csv file
      ()
 
  def readDataToList(self):
    try:
      # Get the number of elements in mdbuffer
      rowNumber=len()
      # Set the current line number
      currentrow=1
      # Setting property values of json data
      propertyJson={}
      #propertyJsonList=[]
      #count=0
      # Read the elements of the list
      dataList=[] 
      try: 
        for row in range(1,rowNumber):
          # Create a temporary variable to access the attribute key values for a single loop
          temp={}
          
          # Get an element of the list
          item=[row]
          # Get the current element, which represents each of the
          # Position where the event started
          currentItem=[currentrow]
          # Get serviceId and decode it.
          serviceId= currentItem[2].decode("gbk")
          # Get the property and decode it, store the decoded value into propertyName
          propertyName=item[3].decode("gbk")
          # Get the property value and decode it, store the decoded value into propertyValue
          propertyValue=item[4].decode("gbk")
          try:
            # Determine if buried events are equal to serviceId
            if item[0]==currentItem[0] and item[2]==currentItem[2]:
              # Put the serviceId method dictionary propertyJson
              propertyJson["serviceId"]=serviceId 
              # Putting attribute/value pairs into temp dictionary
              temp[propertyName]=propertyValue
              # Call the dictionary's update function to put the key-value pairs in temp
              # Add to the propertyJson dictionary
              (temp)
              # Use continue to loop through the if statement module if the if condition is true.
              continue 
            else:
              # Set the line number to the current line
              currentrow=row 
              # Decode the current property into propertyName
              propertyName=currentItem[3].decode("gbk")
              # Decode the current property value into propertyName
              propertyValue=currentItem[4].decode("gbk")
              # Put the serviceId method dictionary propertyJson
              propertyJson["serviceId"]=serviceId  
              #Put property/value pairs into propertyJson dictionary
              propertyJson[propertyName]=propertyValue
              #(propertyJson) 
              (propertyJson)
              '''
              Here goes:
              The difference between () and propertyJson={}:
              () is deleting the value of the dictionary without creating a reference, which changes the value of the dictionary itself;
              propertyJson={} is creating a new reference, the value in the dictionary is not found to change;
              If you want the (propertyJson) statement to execute successfully and add values for each loop, you need to use the propertyJson={} statement.
              you need to use the propertyJson={} method;
              If you use (), you will only add the last propertyJson value stored in the
              '''
              propertyJson={}
          except Exception,e:
            ("Get Property Json Error:"+e) 
            print "Get Property Json Error:",e
      except Exception,e:
        ("Get Date Error:"+e) 
        print "Get Date Error:",e
      return dataList   
    except Exception,e:
      ("Reading Data TO Dic Error:"+e) 
      print "Reading Data TO Dic Error:",e
    
  def getAllServiceId(self):
    try:
      dataList=()
      serList=[item["serviceId"] for item in dataList if item["serviceId"] ] 
      serList=list(set(serList))
      return serList
    except Exception,e:
      ("Create ServiceId List Error:"+e)
      print "Create ServiceId List Error:"+e
                    
  def oupPutData(self):
    try:
      dataList=()
      for item in dataList:     
          print "{"  
          for key,val in (): 
            print key,":",val
          print "}"
          print "#"*50
    except Exception,e:
      ("OutPut Data Error:"+e)
      print "OutPut Data Error:"+e
  
   
  def createDataDic(self):
    try:
      dataDic={}
      
      dataList=()
      count=0
      for item in dataList:
        if item["serviceId"]==u"pageview":
          count+=1
      print count
          
      serviceIdList=()
      if len(serviceIdList)>0 and len(dataList)>0:
        for serviceId in serviceIdList:
          sameServiceidJosnList=[]
          for item in dataList:          
            itemServiceId=item["serviceId"]
            if itemServiceId:
              if serviceId==itemServiceId: 
                (item)                               
            else:
              print "ServiceId is null"
          dataDic[serviceId]=sameServiceidJosnList 
          
      else:
        print "seriviceIdList or dataList is null"
      return dataDic
      ''' 
      for key,val in ():
        print key,len(val)
        print "*"*50
        for item in val:
          print "{"
          for ke,va in ():
            print ke,":",va
          print "}"
        print "-"*50
      '''
    except Exception,e:
      print "Create Data Dictionary Error:",e 
    
def test():
  gen =GenExceptData()
  ()
  
if __name__=="__main__":
  test()