In Django how to bulk_create with a model that has a file field?

I have a model Document:

class Folio():
    status = models.OneToOneField(Status, on_delete=models.CASCADE, verbose_name='current status*')
    file = models.FileField(
        upload_to=create_route_file,
        verbose_name='PDF*',
        help_text='Format PDF'
    )

I need to create objects of it with bulk_create(), to make it with few queries.

I am trying to create objects first with simple Folio() and Status(), putting them into a list and then saving it with bulk_create:

status = Status()
document_parameters = {
    'status': status,
    ...
}
document = Document(**document_parameters)

file = custom_open_file_function(route_to_file)
file_name = 'name...'
file.file.save(file_name, File(file))

That last line raise this error:

ValueError: save() prohibited to prevent data loss due to unsaved related object 'status'.

I don't wanna to do a save() there because that integrity problem with Status and because I don't want to do a query there. All the objetive with bulk_create is to do just one query to statuses and one query for documents, avoiding doing one query per document. But I don't know how to deal with that FileField.

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