After my previous question of trying to submit an SQLFORM brought in
by ajax, I've done a bit of poking around and I think I've figured out
the next step. What I'm trying to do is each time I generate an
SQLForm, I would like to be able to store it into a list in the users
session, or any sort of somewhat temporary storage really, so that if
the user returns to the same page (controller), any forms that have
not been submitted can be taken from the list and placed back into the
page. However, when I try to append anything to a session variable I
get a strange error. The code and error are below.
#code in controller
if not session.userForms:
session.userForms = []
session.userForms.append(form)
#where form is an SQLFORM
Error traceback
Traceback (most recent call last):
File "C:\Development\web2py\gluon\main.py", line 359, in wsgibase
session._try_store_on_disk(request, response)
File "C:\Development\web2py\gluon\globals.py", line 361, in
_try_store_on_disk
cPickle.dump(dict(self), response.session_file)
File "C:\Development\Python\lib\copy_reg.py", line 73, in _reduce_ex
getstate = self.__getstate__
File "C:\Development\web2py\gluon\sql.py", line 1173, in __getattr__
return self[key]
File "C:\Development\web2py\gluon\sql.py", line 1156, in __getitem__
return dict.__getitem__(self, str(key))
KeyError: '__getstate__'
I've also noticed warnings in the console that pickling SQLObjects is
experimental. Is storing them in a session not possible? And if not,
any ideas for what would be the best alternative?
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