Yes, that will do it. form.vars (as well as request.vars and many other web2py objects) is a gluon.storage.Storage object, which is much like a dictionary and allows dictionary-like syntax for accessing items. Similar syntax works with DAL Table and Row objects.
Anthony On Monday, March 31, 2014 12:49:37 AM UTC-4, mweissen wrote: > 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.
