Looks good :-)
On Oct 11, 10:46 pm, billf <[EMAIL PROTECTED]> wrote:
> The shortest version I can get to work is:
>
> {{try:}}
> {{key,value=form.errors.iteritems().next()}}
> <span class="error_message">{{=key}} {{=value}}</span>
> {{except:}}
> <span class="page_message">{{=message}}</span>
> {{pass}}
>
> Bill
>
> On Oct 11, 11:54 pm, yarko <[EMAIL PROTECTED]> wrote:
>
> > Here's what I get with your example:
> > ------------
> > In [1]: list=[1,2,3,54]
>
> > In [2]: for item in list:
> > ...: print item
> > ...: else:
> > ...: print "no items"
> > ...:
> > 1
> > 2
> > 3
> > 54
> > no items
> > ---------------
> > Which I don' t think is what you want.
>
> > If you want the first item, then try this:
>
> > if len(list)>0:
> > for item in list:
> > print item
> > else:
> > print "no items"
>
> > or
>
> > if len(list)>0:
> > print list[0]
> > else:
> > print "no items"
>
> > For the template language (basically python, but no indent hints), you
> > would add 'pass' anywhere unindenting is intended / would be
> > ambiguous, e.g at the end of either of these snippets (would also be
> > harmless to put at end of any indentation block, but not needed).
>
> > Does that help?
>
> > I used ipython (http://ipython.scipy.org); you can also
> > interactively test your apps from a shell environment in web2py (which
> > will pre-load, and if you have ipython, take you into the ipython
> > environment) using this form of invocation:
>
> > python web2py -S myapp
>
> > Hope this was helpful.
>
> > Regards,
> > Yarko
>
> > On Oct 11, 4:36 pm, billf <[EMAIL PROTECTED]> wrote:
>
> > > In this case I wanted the following behaviour:
>
> > > If there is at least one error message then display the first error
> > > message else display the page message.
>
> > > I just tested the template code without the {{break}} and the {{pass}}
> > > at the end and it passes the syntax check - I just get all the error
> > > messages. If no-one has any solutions I suppose I can get around it
> > > with if len(form.errors)>0 or similar.
>
> > > Bill
>
> > > On Oct 11, 10:09 pm, "Daniel Contag" <[EMAIL PROTECTED]> wrote:
>
> > > > What is the "break" for?
>
> > > > Daniel
>
> > > > On Sat, Oct 11, 2008 at 22:50, billf <[EMAIL PROTECTED]> wrote:
>
> > > > > Adding a {{pass}} at the end doesn't make any difference.
>
> > > > > On Oct 11, 9:45 pm, billf <[EMAIL PROTECTED]> wrote:
> > > > >> New to python, I believe that the following is valid syntax:
>
> > > > >> for item in list:
> > > > >> print item
> > > > >> else:
> > > > >> print 'no items in list'
>
> > > > >> When I put the following in a template I get a SyntaxError: invalid
> > > > >> syntax error with "else:" highlighted:
>
> > > > >> {{for key,value in form.errors.items():}}
> > > > >> <span class="error_message">{{=key}} {{=value}}</span>
> > > > >> {{break}}
> > > > >> {{else:}}
> > > > >> <span class="page_message">{{=message}}</span>
>
> > > > >> What am I missing/
>
> > > > >> Bill
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