How to write file in hdfs using python

Question

How to write a file in hdfs using python script? I want to use put command using python?

Answer 1

#!/usr/bin/python

from subprocess import Popen, PIPE

cat = Popen(["hadoop", "fs", "-cat", "./old.txt"], stdout=PIPE)

put = Popen(["hadoop", "fs", "-put", "-", "./new.txt"], stdin=cat.stdout)

put.communicate()