What's the best way to pass a Python list back to the controller, i.e. keep
the list object persistent between calls? The list could get quite large so
I'm not sure if request.args or request.vars is appropriate for it (well
the items in the list)? The code below is a mockup of what I'm trying to
achieve. The list in question is 'serials.'
@auth.requires_login()
def send():
"""
Method for 'sending'an IBC tote to a location.
"""
try:
if serials:
pass
except:
serials = list()
if request.vars["location_id"]:
if request.vars["serial_number"]:
# update the location
serials.append(request.vars["serial_number"])
# start accepting input to update IBC's to this location
status = "Location: " + db.MyLocation[request.vars['location_id']].
name
form = SQLFORM.factory(Field('Object_serial_number', requires=
IS_IN_DB(db, 'Object.serial_number', '%(serial_number)s', orderby=db.Object.
serial_number)))
if form.process().accepted:
response.flash = form.vars.Object_serial_number
redirect(URL('send', vars=dict(location_id=request.vars[
"location_id"], serial_number=form.vars.Object_serial_number)))
else:
# we need to pick a location
form = SQLFORM.factory(Field('send_location', requires=IS_IN_DB(db,
'MyLocation.id', '%(name)s', orderby=db.MyLocation.name)))
if form.process().accepted:
response.flash = form.vars.send_location
redirect(URL('send', vars=dict(location_id=form.vars.
send_location)))
status = "No location"
return dict(grid=form, status=status, serials=serials, count=len(serials
))
Basically, the user goes to the 'send' controller, picks a location, then
enters serial numbers. I'd like to keep a list going so that the user can
remove a serial number from the list if they added one in error and then
submit them for updating all at once.
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