Change s3 encoding

class SetEncodingTask(RegisteredTask):
    def __init__(self, layer_path, prefix):
        super(SetEncodingTask, self).__init__(layer_path, prefix)

        self.layer_path = layer_path
        self.prefix = prefix

    def execute(self):
        from neuroglancer.pipeline.storage import S3Interface
        s3i = S3Interface(Storage.extract_path(self.layer_path))
        s3i.apply_gzip_encoding(self.prefix)

gsutil

If you set your amazon credentials in your ~/.boto file, you can use gsutil instead.

gsutil -m setmeta -h 'Content-Encoding:gzip' s3://neuroglancer/DATASET/LAYER/KEY/**

https://cloud.google.com/storage/docs/gsutil/commands/setmeta