or in one line form=SQLFORM.factory(*[Field(item) for item in list])
On Oct 29, 2:41 pm, Chris S <sanders.ch...@gmail.com> wrote: > That's great, I'm sure I'll find all sorts of places that's useful now > that I know about it. > Now that I can dynamically build my Fields for my list, I've tried to > go back and put a requirement on them for validation. You can't use > keywords in a list so I'm a little stumped. > > Is there a suggestion for editing this code to insert 'requires' > statements? Or possibly can I just set one global requires? In my > case all values are INTS in the same range. > ---- > for item in list: > fields.append(Field(item)) > > form=SQLFORM.factory(*[fields[num] for num in range(len(fields))]) > ---- > > If the 'requires' statement didn't have to go IN the field statement I > was thinking the ** notation with a keyword of 'requires' and a value > of 'IS_INT_IN_RANGE(0,100)' might help, but it's got to go IN the Field > (item) statement not just appended to the list after it. > > Any suggestions? > > On Oct 29, 10:43 am, Jonathan Lundell <jlund...@pobox.com> wrote: > > > On Oct 29, 2009, at 8:36 AM, Chris S wrote: > > > > lol, well I've been all around that. Thank you so much, works just > > > fine now. > > > > Is there a quick 2-min "why that works" or somewhere you could point > > > me to as to what that * means/does? Apparently I'm missing out on > > > something important. > > > It's a Python thing. Check out 5.3.4 here: > > >http://docs.python.org/reference/expressions.html#calls > > > > On Oct 29, 10:33 am, mdipierro <mdipie...@cs.depaul.edu> wrote: > > >> form=SQLFORM.factory(*[fields[num] for num in range(len(fields))]) > > > >> On Oct 29, 10:25 am, Chris S <sanders.ch...@gmail.com> wrote: > > > >>> I've been trying to get a form built where the number of Fields are > > >>> dynamic. I was successful with the plan form by using: > > >>> ------------Form Implementation------------------------ > > >>> fields=[] > > >>> for item in list: > > >>> fields.append(item) > > >>> fields.append(INPUT(_name=item,requires=IS_INT_IN_RANGE > > >>> (0,100,error_message=('Must be an Int 0 to 100')))) > > >>> fields.append(INPUT(_type='submit')) > > > >>> form=FORM([fields[num] for num in range(len(fields))]) > > >>> ------------Form Implementation------------------------ > > > >>> I can append items to my form but the output in HTML is nasty. > > >>> Everything is just crammed together. I read about form.custom and > > >>> was > > >>> going to use that approach but apparently I have to use the > > >>> SQLFORM.factory() to use that. Attempting the same thing in > > >>> SQLFORM.factory() looks like > > > >>> ------------SQLFORM.factory() Implementation------------------------ > > >>> fields.append(Field('item1')) > > >>> fields.append(Field('item2')) > > > >>> form=SQLFORM.factory(fields[0]) > > >>> #This works, but obviously isn't dynamic I only get the first entry. > > > >>> form=SQLFORM.factory(fields[num] for num in range(len(fields))) > > >>> #This errors with "define_table argument is not a Field: <generator > > >>> object at 0x110BD7B0>" > > >>> ------------SQLFORM.factory() Implementation------------------------ > > > >>> Can anyone help me out here? I want to be able to arrange the > > >>> fields > > >>> in HTML like I want (which I can't seem to do with just the simple > > >>> form), but I also want to be able to build the fields dynamically > > >>> which I can't seem to get working with SQLFORM.factory(). I'm sure > > >>> I'm missing something easy, this can't be as hard as I'm making it. > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py-users" group. To post to this group, send email to web2py@googlegroups.com To unsubscribe from this group, send email to web2py+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/web2py?hl=en -~----------~----~----~----~------~----~------~--~---
