Try form.vars['color'] or take a variable v v="color" form.vars[v]
2014-03-31 2:32 GMT+02:00 horridohobbyist <horrido.hobb...@gmail.com>: > But if I create a name such as, for example, "color", I'd need to access > the form variable thusly: form.vars.color. Since the name was created on > the fly, how can I actually say "form.vars.color"?? If the name was created > and stored in a variable, say, x, I can't say "form.vars.x". I guess I > don't quite understand Python's capabilities. > > > On Sunday, 30 March 2014 20:00:56 UTC-4, Anthony wrote: >> >> Well, you need some way to dynamically create names for your fields as >> well. Figure something out based on whatever you are using to construct the >> fields themselves. >> >> On Sunday, March 30, 2014 7:45:56 PM UTC-4, horridohobbyist wrote: >>> >>> Treating a form like a Python list works like a charm. However, having >>> dynamically added SELECT fields, I don't know how to extract the form.vars >>> for these fields. I don't know how to assign _name in a way that I can >>> reference it after the form has been accepted. For example, >>> >>> elements = [] >>> for b in a: >>> sel = [] >>> for c, val in a[b].iteritems(): >>> sel.append(string.capitalize(c)+':'+str(val)) >>> sel.sort() >>> elements.append(TR(T(string.capitalize(b)),SELECT(sel,_ >>> name=???))) >>> >>> After a form.accepts, I need to access form.vars.??? to get the field >>> selection. But how do I know what the variable name is?? >>> >>> >>> On Saturday, 29 March 2014 09:21:59 UTC-4, Tim Richardson wrote: >>>> >>>> FORMs are just HTML helpers, so you manipulate them after creating them. >>>> You can therefore just treat them like python lists, but there is >>>> functionality which may be more helpful: >>>> >>>> http://web2py.com/books/default/chapter/29/05/the- >>>> views#Server-side-DOM-and-parsing >>>> >>>> >>>> >>>> On Sunday, 30 March 2014 00:11:27 UTC+11, horridohobbyist wrote: >>>>> >>>>> Is there a way for me to dynamically add form elements, such as INPUT >>>>> fields or SELECT fields, to a form? I'm not sure how to do this. I'd like >>>>> to add these elements only under certain conditions. >>>>> >>>>> Thanks. >>>>> >>>>> -- > Resources: > - http://web2py.com > - http://web2py.com/book (Documentation) > - http://github.com/web2py/web2py (Source code) > - https://code.google.com/p/web2py/issues/list (Report Issues) > --- > You received this message because you are subscribed to the Google Groups > "web2py-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to web2py+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
