On Mon, Jul 13, 2009 at 11:25 AM, mdipierro <mdipie...@cs.depaul.edu> wrote:

>
> Functionally you can achieve the same, as you know, with
>
> FORM(
>    DIV(
>        INPUT(_type='submit') ,
>        _class='test'),
>    _action='',_method='post')
>
> Syntactically I do not think it is possible to implement the syntax
> you suggest because there is no "with" in Python.


Actually, there is:  PEP 343 introduced it.  As of Python 2.5, it's
available with:

from __future__ import with_statement;

As of Python 2.6 "with" and "as" are always keywords.

Check out  *Writing Context
Managers*<http://docs.python.org/3.0/whatsnew/2.6.html#new-26-context-managers>and
*The contextlib
module*<http://docs.python.org/3.0/whatsnew/2.6.html#new-module-contextlib>
.

- Yarko


>
>
> Massimo
>
>
> On Jul 13, 11:12 am, "mr.freeze" <nat...@freezable.com> wrote:
> > I'm a .net developer by trade.  I embed IronPython into a lot of my
> > apps.  One nice thing I can do with it is build XML using the 'with'
> > statement.
> http://langexplr.blogspot.com/2009/02/writing-xml-with-ironpython-xml...
> >
> > How hard would this be to implement a similar context protocol for
> > web2py's HTML helpers?  This is what I am picturing:
> >
> > with FORM(_action='',_method='post'):
> >     with DIV(_class='test'):
> >         INPUT(_type='submit')
> >
> > Would produce this:
> >
> > <form enctype="multipart/form-data" action="" method="post">
> >   <div class="test">
> >     <input type="submit" />
> >   </div>
> > </form>
> >
>

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