[XML-SIG] Python DOM Unification -- level

[uche.ogbuji@fourthought.com]

> I would say at the Builder Level, but handle it differently then you suggest.
> 
> if sys.argv[1] == '4th' :
>     fac = 4dom.Ext.Factory
>     builder = 4dom.Ext.Builder
> elif sys.argv[1] == 'pydom':
>     fac = pydom.factory
>     builder = pydom.builder
> else
>     fac = minidom.fac
>     builder = minidom.builder
> 
> doc = fac.CreateDocument();
> doc = builder.XMLFromURL('www.fourthought.com')

Et tu, Mikhail?  Code that won't run?  (See lines 2 and 3).  And furthermore, 
I know that we do plan to put up the XML source for www.fourthought.com one of 
these days when browsers are sane, but won't that last line produce some funky 
results just now?

> where the factory interface defines everything that is not creatable from a
> document.
> 
> interface DOMFactory {
> 
>     Document CreateDocument();
>     HTMLDocument CreateHTMLDocument();
>     DocType CreateDocType();
>     NodeList CreateNodeList(in sequence<Node>);
>     ...
> };
> 
> and builder defines an interface for creating documents from different
> streams
> 
> interface DOMBuilder {
> 
>     Document FromXMLFile(in string URL);
>     HTMLDocument FromHTMLFile(in string URL);
>     Document FromXMLString(in string XML);
>     ...
> };

Of course, some may say I'm biased, but I think this is the strongest 
proposal.  It also dovetails with those who have been calling for a PyDOM 
factory interface.

The main problem I anticipate is that Paul might consider adding a factory to 
minidom a bit contrary to the "mini" idea.

-- 
Uche Ogbuji
FourThought LLC, IT Consultants
uche.ogbuji@fourthought.com	(970)481-0805
Software engineering, project management, Intranets and Extranets
http://FourThought.com		http://OpenTechnology.org