On Mon, Jul 13, 2009 at 1:52 PM, Yarko Tymciurak <yark...@gmail.com> wrote:

>
> 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>
> .
>

I hadn't noticed before - the entire section on PEP 343 in the Python 2.6
documents is interesting:
http://docs.python.org/3.0/whatsnew/2.6.html#pep-343-the-with-statement


>
>
> - 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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