摘要：
Beautiful Soup DocumentationBeautiful Soup is a Python library for pulling data out of HTML and XML files. It works with your favorite parser to provide idiomatic ways of navigating, searching, and modifying the parse tree. It commonly saves programmers hours or days of work.These instructions illus 阅读全文
摘要：
https://www.google.com/search?q=python+getelementby+id&oq=python+getelementby+id&aqs=chrome..69i57.8360j0&sourceid=chrome&espv=210&es_sm=93&ie=UTF-819.8.xml.dom— The Document Object Model APINew in version 2.0.The Document Object Model, or “DOM,” is a cross-language API from 阅读全文
摘要：
http://docs.python.org/2/library/htmlparser.html#HTMLParser.HTMLParser19.1.HTMLParser— Simple HTML and XHTML parserNoteTheHTMLParsermodule has been renamed tohtml.parserin Python 3. The2to3tool will automatically adapt imports when converting your sources to Python 3.New in version 2.2.Source code:L 阅读全文
摘要：
Using the DatastoreStoring data in a scalable web application can be tricky. A user could be interacting with any of dozens of web servers at a given time, and the user’s next request could go to a different web server than the one that handled the previous request. All web servers need to be intera 阅读全文