boto3 copytree prefix

boto3_copytree.py

import shutil
from pathlib import Path


def s3_copytree(bucket, src_prefix: str, dst_folder: Path):
    for s3_f in bucket.objects.filter(Prefix=src_prefix):
        target_path = dst_folder / s3_f.key.removeprefix(src_prefix)
        target_path.parent.mkdir(parents=True, exist_ok=True)
        with open(target_path, "wb") as target_f:
            shutil.copyfileobj(s3_f.get()["Body"], target_f)