class ProfileForm(forms.ModelForm):
    first_name = forms.CharField(required=False, max_length=30, label=u"Имя")
    last_name = forms.CharField(required=False, max_length=30, label=u"Фамилия")

    class Meta:
        model = UserProfile
        exclude = ('key_expires', 'key')
        fields = ('first_name', 'last_name', 'location', 'sex', 'avatar')

    def save(self, request):
        usr = User.objects.get(pk=request.user.id)
        print self.cleaned_data
        # Modify user
        usr.first_name = self.cleaned_data['first_name']
        usr.last_name = self.cleaned_data['last_name']
        usr.save()
        forms.save_instance(self, UserProfile(user=usr))
#___
class UserProfile(models.Model):
    user = models.ForeignKey(User, unique = True)
    location = models.CharField(u"Откуда",max_length = 60, blank = True)
    avatar = models.ImageField(blank = True, upload_to="avatars/")
    balance = models.FloatField(max_length = 10, null = True)
    sex = models.CharField(u'Пол', max_length=1, choices=(('m', 'Мужской'), ('f', 'Женский')), blank=True, null=True)
    key = models.CharField(max_length = 40)
    key_expires = models.DateTimeField()