dews 0.3.0

dews is a Python module that offers dead-simple Web Services for Python.

Although exposing a Web Service is getting pretty simple these days, when you're using the proper IDE and following the recipes, getting to known the inner details of a SOAP stack can be a daunting task. For instance, if you are experimenting with extensions or simply want to learn how it works.

Inspired by Ryan Kelly's dexml, the dead simple Object-XML mapper, and by K. Jacobson's simple Python Web Service framework blog entry, dews is small and simple. In fact, there is a long way to go to comply with the Web Services standards.

Exporting a Web Service is as easy as defining request and response classes in Python using dexml with corresponding handler functions:

 >>> from dexml import Model, fields
 >>> class HelloNS(Model):
 ... class meta:
 ... namespace = "http://localhost/hello"
 ... namespece_prefix = "h"
 ...
 >>> class Hello(HelloNS):
 ... name = fields.String()
 ...
 >>> class HelloResponse(HelloNS):
 ... greeting = fields.String()
 ...
 >>> def hello(r):
 ... return HelloResponse(greeting='Hello '+r.name)

And then creating the HTTP server:

 >>> from BaseHTTPServer import HTTPServer
 >>> from dews import http
 >>> HTTPServer(('localhost',8080),
 ... http.handler('Hello', (Hello,HelloResponse,hello),)
 ... ).serve_forever()

This will serve the WSDL on http://localhost:8080. No client is provided by dews but I recommend Suds (https://fedorahosted.org/suds/).


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· Python