listmodel 0.2.1

基本用法

>>>fromlistmodelimportXMLDoc,QueryAttr,set_name>>>xml=u"""<bookshelf>
...         <name>My Bookshelf</name>
...         <book>
...             <title>1984</title>
...             <author>Orwell, George</author>
...             <isbn>978-0-452-28423-4</isbn>
...             <chapter id="1">...</chapter>
...             <chapter id="2">...</chapter>
...             <chapter id="3">...</chapter>
...         </book>
...         <book>
...             <title>The man in the high castle</title>
...             <author>Dick, Philip K.</author>
...             <isbn>0679740678</isbn>
...             <chapter id="1">...</chapter>
...             <chapter id="2">...</chapter>
...             <chapter id="3">...</chapter>
...         </book>
...     </bookshelf>
... """>>>classBookshelf(XMLDoc):...classIterable(XMLDoc):...__query__="/bookshelf/book"......@set_name("Chapter")...classIterable(XMLDoc):...__query__="chapter"...id=QueryAttr("@id")......isbn=QueryAttr("isbn/text()")...title=QueryAttr("title/text()")...author=QueryAttr("author/text()")......@QueryAttr("author/text()")...defauthor_first_name(self,value):...returnvalue.split(", ")[1]......name=QueryAttr("/bookshelf/name/text()")>>>shelf=Bookshelf.fromstring(xml)>>>shelf<Bookshelf(name='My Bookshelf')>>>>shelf.name'My Bookshelf'>>>books=list(shelf)>>>len(books)2>>>books[1].title'The man in the high castle'>>>books[1].author_first_name'Philip K.'>>>list(books[0])[<Chapter(id='1')>,<Chapter(id='2')>,<Chapter(id='3')>]