If think my question is pretty obvious and almost every developer working with UserProfile should be able to answer it.
However, I could not find any he
Here is how I finally did :
class UserProfileForm(forms.ModelForm):
first_name = forms.CharField(label=_(u'Prénom'), max_length=30)
last_name = forms.CharField(label=_(u'Nom'), max_length=30)
def __init__(self, *args, **kw):
super(UserProfileForm, self).__init__(*args, **kw)
self.fields['first_name'].initial = self.instance.user.first_name
self.fields['last_name'].initial = self.instance.user.last_name
self.fields.keyOrder = [
'first_name',
'last_name',
...some_other...
]
def save(self, *args, **kw):
super(UserProfileForm, self).save(*args, **kw)
self.instance.user.first_name = self.cleaned_data.get('first_name')
self.instance.user.last_name = self.cleaned_data.get('last_name')
self.instance.user.save()
class Meta:
model = UserProfile