python操作 hbase 数据的方法

# coding:utf-8

from thrift import Thrift
from thrift.transport import TSocket
from thrift.transport import TTransport
from thrift.protocol import TBinaryProtocol
from hbase import Hbase
# from hbase.ttypes import ColumnDescriptor, Mutation, BatchMutation
from hbase.ttypes import *

import csv


def client_conn():
 # Make socket
 transport = TSocket.TSocket('hostname,like:localhost', port)
 # Buffering is critical. Raw sockets are very slow
 transport = TTransport.TBufferedTransport(transport)
 # Wrap in a protocol
 protocol = TBinaryProtocol.TBinaryProtocol(transport)
 # Create a client to use the protocol encoder
 client = Hbase.Client(protocol)
 # Connect!
 transport.open()
 return client

if __name__ == "__main__":

 client = client_conn()

 # r = client.getRowWithColumns('table name', 'row name', ['column name'])
 # print(r[0].columns.get('column name')), type((r[0].columns.get('column name')))

 result = client.getRow("table name","row name")
 data_simple =[]

 # print result[0].columns.items()

 for k, v in result[0].columns.items(): #.keys()
  #data.append((k,v))
  # print type(k),type(v),v.value,,v.timestamp
  data_simple.append((v.timestamp, v.value))

 writer.writerows(data)
 csvfile.close()

 csvfile_simple = open("data_xy_simple.csv", "wb")
 writer_simple = csv.writer(csvfile_simple)
 writer_simple.writerow(["timestamp", "value"])
 writer_simple.writerows(data_simple)
 csvfile_simple.close()

 print "finished"