Matthew Wilson wrote:
> I wrote a function that converts a tuple of tuples into html. For
> example:
>
> In [9]: x
> Out[9]:
> ('html',
> ('head', ('title', 'this is the title!')),
> ('body',
> ('h1', 'this is the header!'),
> ('p', 'paragraph one is boring.'),
> ('p',
> 'but paragraph 2 ',
> ('a', {'href': 'http://example.com'}, 'has a link'),
> '!')))
>
>
> In [10]: as_html(x, sys.stdout)
> <html>
>
> <head>
>
> <title>this is the title!</title>
>
> </head>
>
> <body>
>
> <h1>this is the header!</h1>
>
> <p>paragraph one is boring.</p>
>
> <p>but paragraph 2 <a href="http://example.com";>has a link</a>!</p>
>
> </body>
>
> </html>
>
>
> I'd like to know ways to make it better (more efficient, able to deal
> with enormous-size arguments, etc). How would I write this as a
> generator?
>
> Here's the definition for as_html:
>
> def as_html(l, s):
> "Convert a list or tuple into html and write it to stream s."
> if isinstance(l, (tuple, list)):
> tagname = l[0]
> if isinstance(l[1], dict):
> attributes = ' '.join(['%s="%s"' % (k, l[1][k]) for k in l[1]])
> s.write('<%s %s>' % (tagname, attributes))
> else:
> s.write('<%s>' % tagname)
> if tagname in ('html', 'head', 'body'):
> s.write('\n\n')
> for ll in l[1:]:
> as_html(ll, s)
> s.write('</%s>' % tagname)
> if tagname not in ('a', 'b', 'ul'):
> s.write('\n\n')
> elif isinstance(l, str):
> s.write(l)
>
>
> All comments welcome. TIA
>
Before you put too much work into this you might want to take a look
at HTMLgen: http://www.python.net/crew/friedrich/HTMLgen/html/main.html
-Larry
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