Re: Not able to use ModelForm

[The_Legend]

Daniel thanks man for helping, and noticing problems in that dirty
mess. i am basically very new to django.
I hadn't given a field called address in the form, and + didnt give it
blank=True in the model either so i guess it wasnt working, + what you
said was also true.

thanks a lot, hope u are always there to help ;)

On Feb 20, 7:56 pm, Daniel Roseman  wrote:
> On Sunday, February 20, 2011 12:05:12 PM UTC, The_Legend wrote:
>
> > Oh sorry, i thought i wrote, but i guess it didnt convey the message.
>
> > have written a registration form. so it takes data from this form then
> > first creates a user  then i have a model called people in my app
> > called mainapp. so i just need to add data to the database for this
> > model. but i am not able to.
>
> > in this part if i give it like this ---
>
> > dt = people()
> > tform=popform(instance=dt)
> > form = tform(perDict)
> >     if form.is_valid():    -- it says object not callable --
> > tform(perDict) where perDict is dictionary
>
> > and if i give
> > dt = people()
> > form = popform(perDict)
> >     if form.is_valid():    --then it always comesout invalid
>
> Well, there was no way to tell that from the original posting because it
> didn't include any of that code.
>
> This code is very bizarre. You instantiate the form with
> `tform=popform(instance=dt)` and then attempt to call it again with
> `tform(perDict)`. I expect that the `object not callable` exception actually
> happens here, not in the is_valid() call.
>
> The correct way to instantiate a form from a post using an existing model
> instance is to pass both arguments at the same time:
>
>     `tform = popform(perDict, instance=dt)`
>
> Also, you should consider why you need to pre-process the request to get the
> perDict dictionary. It would make more sense to use the same field names in
> the template as in the form.
> --
> DR.

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Re: Not able to use ModelForm

[Daniel Roseman]

On Sunday, February 20, 2011 12:05:12 PM UTC, The_Legend wrote:
>
> Oh sorry, i thought i wrote, but i guess it didnt convey the message. 
>
> have written a registration form. so it takes data from this form then 
> first creates a user  then i have a model called people in my app 
> called mainapp. so i just need to add data to the database for this 
> model. but i am not able to. 
>
> in this part if i give it like this --- 
>
> dt = people() 
> tform=popform(instance=dt) 
> form = tform(perDict) 
> if form.is_valid():-- it says object not callable -- 
> tform(perDict) where perDict is dictionary 
>
> and if i give 
> dt = people() 
> form = popform(perDict) 
> if form.is_valid():--then it always comesout invalid 


Well, there was no way to tell that from the original posting because it 
didn't include any of that code.

This code is very bizarre. You instantiate the form with 
`tform=popform(instance=dt)` and then attempt to call it again with 
`tform(perDict)`. I expect that the `object not callable` exception actually 
happens here, not in the is_valid() call.

The correct way to instantiate a form from a post using an existing model 
instance is to pass both arguments at the same time:

`tform = popform(perDict, instance=dt)`

Also, you should consider why you need to pre-process the request to get the 
perDict dictionary. It would make more sense to use the same field names in 
the template as in the form.
--
DR.

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Re: Not able to use ModelForm

[The_Legend]

Oh sorry, i thought i wrote, but i guess it didnt convey the message.

have written a registration form. so it takes data from this form then
first creates a user  then i have a model called people in my app
called mainapp. so i just need to add data to the database for this
model. but i am not able to.

in this part if i give it like this ---

dt = people()
tform=popform(instance=dt)
form = tform(perDict)
if form.is_valid():-- it says object not callable --
tform(perDict) where perDict is dictionary

and if i give
dt = people()
form = popform(perDict)
if form.is_valid():--then it always comesout invalid








On Feb 20, 4:34 pm, Daniel Roseman  wrote:
> On Sunday, February 20, 2011 11:26:18 AM UTC, The_Legend wrote:
>
> > i am not able to use model forms to input data for models in database.
>
> I'd get some treatment for that, if I were you.
>
> Seriously, what problem are you having? Are we supposed to guess?
> --
> DR.

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Re: Not able to use ModelForm

[Daniel Roseman]

On Sunday, February 20, 2011 11:26:18 AM UTC, The_Legend wrote:
>
> i am not able to use model forms to input data for models in database. 
>
>
I'd get some treatment for that, if I were you.

Seriously, what problem are you having? Are we supposed to guess?
--
DR. 

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Not able to use ModelForm

[The_Legend]

i am not able to use model forms to input data for models in database.

model.py --

gender_list = (('M', 'Male'), ('F', 'Female' ))
class people(models.Model):
userID = models.ForeignKey(User, unique=True)
name = models.CharField('name',max_length=30)
address = models.CharField('address',max_length=50)
enrol_no = models.IntegerField('enrol',max_length=10);
email = models.EmailField()
date_of_birth = models.DateField('birthday')
gender = models.CharField(max_length=1, choices=gender_list)

view.py --

class popform(ModelForm):
class Meta:
model = people

def create_user(request):
message = 'Create New User'
uForm = NewUserForm()
if request.method == 'POST':
if request.POST['submit'] == 'Create':
postDict = request.POST.copy()
uForm = NewUserForm(postDict)
try:
#user object
user = User.objects.create_user(postDict['username'],
postDict['email'],
postDict['password'])
user.last_name = postDict['last']
user.first_name = postDict['first']
user.save()

#people object
perDict = {}
perDict['userID'] = user.id
perDict['name'] = postDict['first']
perDict['email'] = postDict['email']
perDict['gender'] = postDict['gender']
perDict['enrol'] = postDict['enrol_no']
dt = people()
form=popform(instance=dt)
if form.is_valid():
   try:
form.save()
return render_to_response('/login/')
   except:
message = 'Database Error.'
user.delete()
else:
message = 'Form Data Error'
user.delete()
except:
message = 'User creation Error'
return render_to_response('register.html',{
'uForm': uForm,
'message': message })

please need help

Thank you.


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