[IronPython] Python Pages -- web application stack (like django, rails, ...)

[Charles Mason]

On Thu, Jun 12, 2008 at 5:40 AM, Michael Foord <fuzzyman at voidspace.org.uk>
wrote:

>
> There are also plenty of templating languages:
>
> Stan (used by Nevow)
> Genshi
> Cheetah
> Mako
> ZPT (Zope)
> SimpleTal (another Zope one)
> Kid
> Django template language
> PTL (Python templating language used by Quixote)
> Clearsilver (written in C with bindings for many languages)
> PyMeld
>

Anyone want to take a stab at why there are so many?  It seems trivial to
me.  I know I will be ridiculed for my example, but this is what I use on my
personal webserver:

def PrintTemplate(file, templatedict):
        buf = open(config.Root + "/templates/" + file).read()
        regex = re.compile( r"{{{(.*?)}}}", re.MULTILINE | re.DOTALL )

        templatedict = copy.copy( templatedict )
        templatedict.update( config.DefaultDict )

        pos = 0
        for find in re.finditer( regex, buf ):
                sys.stdout.write( buf[ pos : find.start(0) ] )
                pos = find.end(0)

                py  = find.group(1)
                exec( py, templatedict )
        else:
                if pos < len( buf ):
                        sys.stdout.write( buf[ pos: ] )


Now, people are  very likely to tell me about how bad it is to use exec, but
since I'm the one programming the page, I know what's going through it.

In essence, this *is* a python template system.

C
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