课程: Advanced Python: Build Hands-On Projects with Design Patterns (2023)

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Solution: Working with a legacy system

Solution: Working with a legacy system - Python教程

课程: Advanced Python: Build Hands-On Projects with Design Patterns (2023)

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Solution: Working with a legacy system

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- [Instructor] How was your coding? Was it more challenging than you thought? We want to process XML. Therefore, we need to invoke the process method when we identify it as an XML handler. There are many ways to do it, but I can use a for loop to iterate through the objects list until I find the XML handler. Let's first define a temporary variable called temp. Let's set it to None for now. Let's create a for loop. Type for space obj in objects, colon. Press Enter. Type if obj.name is equal to the string XML. Make sure these are capital XML, because this is going to be case sensitive. Colon. This is exactly when we want to invoke the process_XML method. That's why I type temp space assignment, obj.process. Please note that I'm using the generic method name process. Finally, I return the result of XML processing. Type return temp. That's all you need. Not too bad, right? Let's test the code by clicking on Test…

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