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#!/bin/bash | |
# | |
# Calculate checksum corresponding to the entity-tag hash (ETag) of Amazon S3 objects | |
# | |
# Usage: compute_etag.sh <filename> <part_size_mb> | |
# | |
# filename: file to process | |
# part_size_mb: chunk size in MiB used for multipart uploads. | |
# This is 8M by default for the AWS CLI See: | |
# https://docs.aws.amazon.com/cli/latest/topic/s3-config.html#multipart_chunksize |
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import re | |
from pydantic import BaseModel, Field, computed_field | |
class S3Path(BaseModel): | |
"""Pydantic Model for S3 URLs""" | |
# https://docs.aws.amazon.com/AmazonS3/latest/userguide/bucketnamingrules.html | |
_s3_pattern = re.compile( | |
r'^s3://' | |
r'(?=[a-z0-9])' # Bucket name must start with a letter or digit |