__init__.py 文件源码

def formfield(self, **kwargs):
        if self.form_size or self.choices:
            defaults = {
                'form_class': SplitArrayFormField,
                'base_field': self.base_field.formfield(),
                'choices_form_class': TypedMultipleChoiceField,
                'size': self.form_size,
                'remove_trailing_nulls': True
            }
            if self.choices:
                defaults['coerce'] = self.base_field.to_python
            defaults.update(kwargs)
            return super(fields.ArrayField, self).formfield(**defaults)
        return super(ArrayField, self).formfield(**kwargs)