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Thrift Client in Python: Hello World Sample

January 20th, 2014 Leave a comment Go to comments

As mentioned in my last post, Thrift is a cross-language and cross platform RPC framework. We’ve seen how a Java based Thrift server and client work there. Let’s take a look how to write a quick python script that connects to the Java Thrift server. It’s all possibe to write a Python based Thrift server, but probably not what most people want to do due to performance and scalability.

First of all, you want to download the latest (version 0.9.1 as of this writing) Thrift Python package from Python Web site: https://pypi.python.org/pypi/thrift/0.9.1. Once the thrift-0.9.1.tar.gz file is downloaded, unzip it into a local directory. In my case, I just unzip it into C:\temp\thrift-0.9.1. From the directory, run the command to install the thrift client as follows:

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C:\temp\thrift-0.9.1>\Dev\Python27\python.exe setup.py install

where \Dev\Python27\python.exe is the full path to my Python runtime. You should change it to your own path.

If the installation is successfully, you should see a new egg file in the site-packages directory as follows: (Again, yours could be different with Python home directory).


Now, let’s find the hello.thrift file (see last post for source) and run the following command:

c:\Dev\thrift-0.9.1>thrift-0.9.1 –gen py hello.thrift

It would generate code into a directory called “gen-py”. Just copy the gen-py to where you will going to create your own Python code. Together with the Thrift library and the generated stub, we’re going to write a simple Python code to call the hi() method.

__author__ = 'Steve Jin'
import sys
from hello import Hello
from thrift import Thrift
from thrift.transport import TSocket
from thrift.transport import TTransport
from thrift.protocol import TBinaryProtocol
  print "starting thrift client..."
  transport = TSocket.TSocket('', 7911)
  transport = TTransport.TBufferedTransport(transport)
  protocol = TBinaryProtocol.TBinaryProtocol(transport)
  client = Hello.Client(protocol)
  print client.hi()
except Thrift.TException, tx:
  print str(tx)

It would output

starting thrift client...
Hello DoubleCloud.org

With this simple Python script, you probably don’t need an IDE. If you do like to use an IDE, my recommendation is PyCharm from Jetbrain. The intelligent auto completion just makes life so much easier than otherwise.

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