Class MyForm

tests/forms_tests/tests/test_forms.py:1858–1863

        # Instances of a dynamic Form do not persist fields from one Form
        # instance to the next.
        class MyForm(Form):
            def __init__(self, data=None, auto_id=False, field_list=[]):
                Form.__init__(self, data, auto_id=auto_id)

                for field in field_list:
                    self.fields[field[0]] = field[1]

        field_list = [("field1", CharField()), ("field2", CharField())]
        my_form = MyForm(field_list=field_list)