philippe::niquille | regular niche market thoughts

def new_callback(exclude=None, include=None):
“”"
Create a form callback which excludes or only includes certain fields.
“”"
def _callback(field, **kwargs):
if include and field.name not in include:
return None
if exclude and field.name in exclude:
return None
return field.formfield(**kwargs)
return _callback
——–
call with:
——–
profile_callback = new_callback(exclude=['user', 'image'])
uform = forms.models.form_for_instance(profile, formfield_callback=profile_callback)

class UploadDocu(forms.Form):
category = forms.ModelChoiceField(DocumentCategory.objects.all())

def my_form(request):
uform = forms.models.form_for_instance(profile)
uform.base_fields['function'].widget = Select(choices=UserProfile.FUNC_CHOICES)

class UserProfile(models.Model):
FUNC_CHOICES = (
(’president’, ‘Presidente’),
(’vice’, ‘Vicepresidente (segretario)’),
)

uform = forms.models.form_for_model(UserProfile)
uform.base_fields['birthday'].input_formats = (’%Y-%m-%d’,'%d.%m.%Y’,'%d %m %Y’)

uform = forms.models.form_for_model(UserProfile)
uform.base_fields['user'].widget = HiddenInput() # Hide user field
uform.base_fields['user'].required = False # Make user field not required

if form.is_valid():

#set user_id and save new record, if applicable
try:
if uform.base_fields['user']:
newItem = form.save(commit=False) # Create the item
newItem.user_id = request.user.id # Add the data required by the model
newItem.save()
except KeyError:
#do regular update
form.save()

uform.base_fields['semester'].widget = Select(choices=[(v,v) for v in range(1,15)])

class ConfirmForm(forms.Form):
def __init__(self, *args, **kwargs):
super(ConfirmForm,self).__init__(*args,**kwargs)

for name in self.fields.keys():
if name.startswith(’confirm_’):
compare_field = name.replace(’confirm_’,”)
setattr(self,’clean_%s’ % name, self._make_confirmation_method(compare_field, name))

def _make_confirmation_method(self, field_name, confirm_field_name):
return lambda: self._confirm_fields_match(field_name, confirm_field_name)

def _confirm_fields_match(self, field_name, confirm_field_name):
if self[field_name].data != self[confirm_field_name].data:
raise forms.ValidationError(’This field must match the %s field’ % self[field_name].label)
return self.cleaned_data.get(confirm_field_name)

class PasswordChange(ConfirmForm):
oldpw = forms.CharField(label=’Vecchia Password’, widget=PasswordInput(render_value=False), max_length=100, )
newpw = forms.CharField(label=’Nuova Password’, widget=PasswordInput(render_value=False), max_length=100, min_length=4)
confirm_newpw = forms.CharField(label=’Ripeti nuova Password ‘, widget=PasswordInput(render_value=False), max_length=100, min_length=4)