Learning Python Network Programming

Summary

We've covered a lot of ground in this chapter, but you should now be able to start making real use of the web APIs that you encounter.

We looked at XML, how to construct documents, parse them and extract data from them by using the ElementTree API. We looked at both the Python ElementTree implementation and lxml. We also looked at how the XPath query language can be used efficiently for extracting information from documents.

We looked at the Amazon S3 service and wrote a client that lets us perform basic operations, such as creating buckets, and uploading and downloading files through the S3 REST API. We learned about setting access permissions and setting content types, such that the files work properly in web browsers.

We looked at the ...