Thanks for the offer. I have altered the function as suggested:
def property_data(request, property_id='0'):
message = ''
st = request.session['street_id']
print "At start of property_data, request.method=", request.method
print "At start of property_data, st=", st
if request.method == "POST":
form = PropertyForm(request.POST)
form['street']=request.session['street_id']
print "form=", form
if form.is_valid():
form.save()
message='we are added'
return HttpResponseRedirect('somewhere')
And here is the traceback:
Environment:
Request Method: POST
Request URL: http://localhost:8000/wha/address/1/add_property/
Django Version: 1.0.2 final
Python Version: 2.5.1
Installed Applications:
['django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.admin',
'django.contrib.auth',
'whasite.wha']
Installed Middleware:
('django.middleware.common.CommonMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware')
Traceback:
File "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/
site-packages/django/core/handlers/base.py" in get_response
86. response = callback(request, *callback_args,
**callback_kwargs)
File "/Users/michael/Documents/Django Projects/whasite/../whasite/wha/
data.py" in property_data
35. form['street']=request.session['street_id']
Exception Type: TypeError at /wha/address/1/add_property/
Exception Value: 'PropertyForm' object does not support item
assignment
On Jun 5, 5:15 pm, Daniel Roseman <roseman.dan...@googlemail.com>
wrote:
> On Jun 5, 5:33 am, adelaide_mike <mike.ro...@internode.on.net> wrote:
>
>
>
> > Another "in principle" question. My Street model is the parent of my
> > Property model, many to one via foreign key.
>
> > User selects the street and I store it in request.session. User then
> > gets to enter the property details in this form:
>
> > class PropertyForm(ModelForm):
> > class Meta:
> > model = Property
> > exclude = ('street', 'price1', 'price2',)
>
> > and when the Add is clicked we do:
>
> > def property_data(request, property_id='0'):
> > st = request.session['street_id']
> > print "At start of property_data, st=", st # debug, so I
> > know it has the correct value
> > if request.method == "POST":
> > if property_id > '0':
> > #do something
> > else:
> > form = PropertyForm(request.POST)
> > form['street']=request.session['street_id']
> > if form.is_valid():
> > try:
> > form.save()
> > return
> > HttpResponseRedirect('somewhere')
> > except:
> > message='database error in ADD'
> > #debug, this is returned
> > to the page
> > Because all fields in property (except the foreign key street) either
> > have data or are blank=True, the problem must? be the lack of the
> > foreign key. (In admin I can add propertys). How do I get it into the
> > data to be saved?
>
> > Mike
>
> Don't guess. Look at what the traceback actually says. Especially,
> don't use a raw 'except', as that will swallow all types of errors.
> Leave out the try/except for now, and let Django print the traceback
> page, then show us what it says.
> --
> DR.
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