Django inlineformset_factory rendering throwing error - django

Question

I am trying to build a view with 2 models using inlinefactory.
Models.py
class serviceinvoice(models.Model):
user=models.ForeignKey(User,related_name='invoice')
invoice_number=models.PositiveIntegerField()
#invoice_no = models.CharField(max_length = 500, default = increment_invoice_number, null = True, blank = True)
invoice_date = models.DateField()
invoice_receivable=models.ForeignKey(Receivables,null=True)
total_amount=models.DecimalField(decimal_places=2,max_digits=20)
total_amountwithtax=models.DecimalField(decimal_places=2,max_digits=20)
def __str__(self):
return self.invoice_number
class serviceinvoiceitems(models.Model):
user=models.ForeignKey(settings.AUTH_USER_MODEL,related_name='serviceinvoiceitems')
invoice_number=models.ForeignKey(serviceinvoice)
Product=models.CharField(max_length=1000,null=True)
UOM=models.CharField(max_length=100,null=True)
Quantity=models.FloatField(null=True)
Rate=models.FloatField(null=True)
Tax_rate=models.FloatField(null=True)
def __str__(self):
return self.invoice_number
forms.py
createinvoiceformset = inlineformset_factory(serviceinvoice, serviceinvoiceitems,fields='__all__')
class createinvoice(forms.ModelForm):
class Meta:
model = serviceinvoice
exclude = ('user',)
widgets = {
'invoice_date': forms.DateInput(attrs={'class':'datepicker'}),
}
views.py
#login_required
def createinvoice(request):
if request.method == 'POST':
inv_form=createinvoice(data=request.POST)
if inv_form.is_valid():
new_form=inv_form.save(commit=False)
new_formset=createinvoiceformset(request.POST,instance=new_form)
if new_formset.is_valid():
new_form.save()
new_formset.save()
return HttpResponse('Invoice created')
else:
inv_form=createinvoice()
new_formset=createinvoiceformset(instance=serviceinvoice())
inv_form.fields["invoice_receivable"].queryset=Receivables.objects.filter(user=request.user)
return render(request,'account/createinvoice.html',{'inv_form':inv_form,'new_formset':new_formset})
This is rendered in template with following error.
_wrapped_view() missing 1 required positional argument: 'request'
Traceback
Environment:
Request Method: GET
Request URL: http://localhost:8000/invoice/createinvoice/
Django Version: 1.8.9
Python Version: 3.4.0
Installed Applications:
('invoice',
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles')
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
'django.middleware.security.SecurityMiddleware')
Traceback:
File "C:\Python34\lib\site-packages\django\core\handlers\base.py" in get_response
132. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Python34\lib\site-packages\django\contrib\auth\decorators.py" in _wrapped_view
22. return view_func(request, *args, **kwargs)
File "D:\pythonspace\tiktant\invoice\views.py" in createinvoice
106. inv_form=createinvoice(instance=request)
Exception Type: TypeError at /invoice/createinvoice/
Exception Value: _wrapped_view() missing 1 required positional argument: 'request'

Answer 1

Your view name createinvoice clashes with your form createinvoice. They should be different.
Your code would be much clearer if you used underscores for function names (e.g. def create_invoice(...)), and CamelCase for class names (e.g. class CreateInvoice(...), CreateInvoiceFormSet, ...)