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Q: Subclassing ModelForms to get fields and errors I am subclassing a ModelForm with additional fields and with a better workflow, to be able to create and edit objects of that class in different phases of the project. The form's fields are defined like this: class UserCreationForm(forms.ModelForm): email = forms.EmailField(max_length=75) first_name = forms.CharField(max_length=75) last_name = forms.CharField(max_length=75) I'd like to add more fields to this form and have a custom create_user function, which takes an argument as a field name. Is it possible to create this field dynamically at runtime, using Django forms? E.g.: email = forms.EmailField() def create_user(field_name): # Is it possible to add this field to the form as above? # Or to append it to the list of existing fields? # Or to do something else? A: Here is the way I ended up doing this: class Meta: model = User fields = ('email', 'first_name', 'last_name') def __init__(self, *args, **kwargs): super(UserCreationForm, self).__init__(*args, **kwargs) for field in self.fields: # TODO: add field name here self.fields[field] = forms.CharField() def save(self, commit=True): user = super(UserCreationForm, self).save(commit=False) return user If you need to populate a list of field names dynamically, this solution will




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