django-storages / storages / backends /

from import FileSystemStorage

class OverwriteStorage(FileSystemStorage):
    Comes from
    (even if it already exists in S3Storage for ages)

    See also Django #4339, which might add this functionality to core.

    def get_available_name(self, name):
        Returns a filename that's free on the target storage system, and
        available for new content to be written to.
        if self.exists(name):
        return name