A while ago, I wrote about the ‘missing’ WSDL generator for Python. Today I found an interesting Python library for creating SOAP web services, soaplib. This two month old library has the following features:

• simple syntax for writing services
• comes with client and server built in
• on-demand WSDL generation
• plays well with other SOAP implementations
• services can be deployed as WSGI applications
• easily expose complex data structures
• extensible Message API

The WSDL generation is done via decorators. If you do not know what decorators are, go read this). This makes it possible to write a simple Webservice in a few lines of code:

from soaplib.wsgi_soap import SimpleWSGISoapAppfrom soaplib.service import soapmethodfrom soaplib.serializers.primitive import String, Integer, Array

class HelloWorldService(SimpleWSGISoapApp):

    @soapmethod(String,Integer,_returns=Array(String))    def say_hello(self,name,times):        results = []        for i in range(0,times):            results.append('Hello, %s'%name)        return results

if __name__=='__main__':    from cherrypy._cpwsgiserver import CherryPyWSGIServer    # this example uses CherryPy2.2    server = CherryPyWSGIServer(('localhost',7789),HelloWorldService())    server.start()

This looks way cool and very simple to use! For more information, see the the full dissection of this example. I will try to use this library in one of my current projects.

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