cached_s3_storages_backend.py

from django.core.files.storage import get_storage_class
from storages.backends.s3boto3 import S3Boto3Storage


class StaticS3Boto3Storage(S3Boto3Storage):
    file_overwrite = True


class CachedS3BotoStorage(S3Boto3Storage):
    """
    S3 storage backend that saves the files locally, too.
    """
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.local_storage = get_storage_class(
            "django.core.files.storage.FileSystemStorage")()

    def save(self, name, content, max_length=None):
        name = self.local_storage._save(name, content)
        super().save(name, content, max_length=max_length)
        return name