I think we may have changed the validator to IS_IN_SET but you are still passing the same parameters as to IS_IN_DB. They take different sets of parameters.
On Monday, 12 October 2015 11:54:03 UTC-5, John Smidt wrote: > > Hi, > I am trying to populate a drop down box so that a user may choose a > "featured Image" from a collection of images. There are multiple > collections, so I need to filter out the other images that are in the > different collections. The code I have is shown below: > > db.geo_collection.f_featured_img.requires=IS_IN_DB(db, > (db.geo_item.f_collection_id == db.geo_collection.id),lambda row: '%s' % > row.id + " - " + row.f_name) > > What I had in mind is that the program would go through every item in the > database, and compare its collection id with the collection's id that we > are currently looking at. If the item passes this boolean statement, then > it is added to the dropdown box. > > When I do this, it states that there are too many values to unpack. > Traceback below: > > Traceback (most recent call last): > File "/home/SIRI/web2py/gluon/restricted.py", line 217, in restricted > exec ccode in environment > File "/home/SIRI/web2py/applications/mqr/models/db_wizard.py" > <https://siri.pythonanywhere.com/admin/default/edit/mqr/models/db_wizard.py>, > line 149, in <module> > db.geo_collection.f_featured_img.requires=IS_IN_DB(db, > (db.geo_item.f_collection_id == db.geo_collection.id),lambda row: '%s' % > row.id + " - " + row.f_name) > File "/home/SIRI/web2py/gluon/validators.py", line 497, in __init__ > (ktable, kfield) = str(field).split('.') > ValueError: too many values to unpack > > I thought that using the 'IS_IN_DB' command might be messing with this, so > I changed it to 'IS_IN_SET'. I got this error instead: > > Traceback (most recent call last): > File "/home/SIRI/web2py/gluon/restricted.py", line 217, in restricted > exec ccode in environment > File "/home/SIRI/web2py/applications/mqr/controllers/cms.py" > <https://siri.pythonanywhere.com/admin/default/edit/mqr/controllers/cms.py>, > line 478, in <module> > File "/home/SIRI/web2py/gluon/globals.py", line 372, in <lambda> > self._caller = lambda f: f() > File "/home/SIRI/web2py/gluon/tools.py", line 3239, in f > return action(*a, **b) > File "/home/SIRI/web2py/applications/mqr/controllers/cms.py" > <https://siri.pythonanywhere.com/admin/default/edit/mqr/controllers/cms.py>, > line 26, in display_manage > oncreate=coll_create,onupdate=coll_create) > File "/home/SIRI/web2py/gluon/sqlhtml.py", line 2764, in smartgrid > user_signature=user_signature, **kwargs) > File "/home/SIRI/web2py/gluon/sqlhtml.py", line 2093, in grid > update_form = SQLFORM(table, record, **sqlformargs) > File "/home/SIRI/web2py/gluon/sqlhtml.py", line 1145, in __init__ > inp = self.widgets.options.widget(field, default) > File "/home/SIRI/web2py/gluon/sqlhtml.py", line 270, in widget > options = requires[0].options() > File "/home/SIRI/web2py/gluon/validators.py", line 428, in options > items = [(k, self.labels[i]) for (i, k) in enumerate(self.theset)] > TypeError: 'Query' object does not support indexing > > > Any ideas on how I could do this? I feel like it's a really simple tweak, > but I'm just not seeing it. Any help would be fantastic. > > > -- 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.
