def generic_inlineformset_factory(model, form=ModelForm,
                                  formset=BaseGenericInlineFormSet,
                                  ct_field="content_type", fk_field="object_id",
                                  fields=None, exclude=None,
                                  extra=3, can_order=False, can_delete=True,
                                  max_num=None, formfield_callback=None,
                                  validate_max=False, for_concrete_model=True,
                                  min_num=None, validate_min=False):
    opts = model._meta
    # if there is no field called `ct_field` let the exception propagate
    ct_field = opts.get_field(ct_field)
    if not isinstance(ct_field, models.ForeignKey) or ct_field.remote_field.model != ContentType:
        raise Exception("fk_name '%s' is not a ForeignKey to ContentType" % ct_field)
    fk_field = opts.get_field(fk_field)  # let the exception propagate
    if exclude is not None:
        exclude = list(exclude)
        exclude.extend([ct_field.name, fk_field.name])
    else:
        exclude = [ct_field.name, fk_field.name]
    FormSet = modelformset_factory(
        model, form=form, formfield_callback=formfield_callback,
        formset=formset, extra=extra, can_delete=can_delete,
        can_order=can_order, fields=fields, exclude=exclude, max_num=max_num,
        validate_max=validate_max, min_num=min_num, validate_min=validate_min,
    )
    FormSet.ct_field = ct_field
    FormSet.ct_fk_field = fk_field
    FormSet.for_concrete_model = for_concrete_model
    return FormSet
Return True if filename is a Python file.
dataset/ETHPy150Open django/django/django/contrib/contenttypes/forms.py/generic_inlineformset_factory--crossover with--dataset/ETHPy150Open google/yapf/yapf/yapflib/file_resources.py/IsPythonFile