Parsing SOAP messages using Python

Use Python to parse SOAP messages

SOAP (Simple Object Access Protocol) is an XML-based remote procedure call (RPC) protocol used for different purposes on the network communicate between applications. Python provides many libraries and tools to process SOAP messages, the most commonly used of which is the suds library.

suds is a SOAP client library for Python that can be used to parse and generate SOAP messages. It provides a simple and elegant way to interact with remote SOAP services. Below is a simple example showing how to use suds to parse a SOAP message.

First, we need to install the suds library. Install using the following command on the command line:

pip install suds-jurko

Next, we can start parsing the SOAP messages. First, we need to import the suds library and related classes:

from suds.client import Client
from suds.xsd.doctor import ImportDoctor, Import

Then, we can create a suds client object and specify the URL of the SOAP service to be parsed:

url = 'http://www.example.com/soap/service?wsdl'
client = Client(url)

Next, we You can use the client object to call methods of the SOAP service. For example, suppose we want to call the getWeather method to get weather forecast information:

result = client.service.getWeather(city='Beijing')

In the above code, we use client.service.getWeather to call the SOAP service The getWeather method and pass a parameter named city. The result returned by this method will be stored in the result variable.

Finally, we can print out the results and process them:

print(result)

In this way, we have successfully parsed the SOAP message using Python and obtained the results.

In addition to the suds library, Python also provides some other libraries for processing SOAP messages, such as ZSI and pySimpleSOAP. These libraries provide different functions and usages, and you can choose the appropriate library according to your needs.

To summarize, by using Python’s suds library, we can easily parse and process SOAP messages. This gives us more flexibility and convenience in communicating with different applications. I hope this article can help you understand how to use Python to parse SOAP messages and apply and expand it in actual projects.

References:

• suds Documentation: https://fedorahosted.org/suds/
• Python SOAP Libraries: https://wiki.python.org /moin/WebServices

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