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shunku
shunku

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Basic: Create Amazon S3 bucket, upload and download objects

#aws #python #s3

Preparation

In

import json
from pprint import pp
import boto3

s3 = boto3.client("s3")
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Create a bucket

In

response = s3.create_bucket(
    Bucket="<bucket_name>",
    CreateBucketConfiguration={"LocationConstraint": "<region>"},
)
pp(response)
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Out

{'ResponseMetadata': {'RequestId': '45E82X1PFTJ448BX',
                      'HostId': '8gqIBKcd9l6hvE6cj6mm+wDEBNpwMUWkYam1Qd/CFINiQmNI7rqn+gY8/fnLpx53PjlRFjmU8u4=',
                      'HTTPStatusCode': 200,
                      'HTTPHeaders': {'x-amz-id-2': '8gqIBKcd9l6hvE6cj6mm+wDEBNpwMUWkYam1Qd/CFINiQmNI7rqn+gY8/fnLpx53PjlRFjmU8u4=',
                                      'x-amz-request-id': '45E82X1PFTJ448BX',
                                      'date': 'Wed, 29 Jun 2022 15:22:21 GMT',
                                      'location': 'http://<bucket_name>.s3.amazonaws.com/',
                                      'server': 'AmazonS3',
                                      'content-length': '0'},
                      'RetryAttempts': 0},
 'Location': 'http://<bucket_name>.s3.amazonaws.com/'}
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Upload an object

In

response = s3.put_object(
    Body=open("/tmp/test.txt", mode="rb").read(),
    Bucket="<bucket_name>",
    ContentType="text/plain",
    Key="test.txt",
)
pp(response)
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Out

{'ResponseMetadata': {'RequestId': 'KGDVN0Q8539K8ATR',
                      'HostId': 'Ij3RnIyhOtV9j2cUQ52gucTKroPVC1uo744jAyRy06itAbttcfjU8XChi3GpaqdD/IhhaOVqqiM=',
                      'HTTPStatusCode': 200,
                      'HTTPHeaders': {'x-amz-id-2': 'Ij3RnIyhOtV9j2cUQ52gucTKroPVC1uo744jAyRy06itAbttcfjU8XChi3GpaqdD/IhhaOVqqiM=',
                                      'x-amz-request-id': 'KGDVN0Q8539K8ATR',
                                      'date': 'Wed, 29 Jun 2022 15:34:44 GMT',
                                      'etag': '"02bcabffffd16fe0fc250f08cad95e0c"',
                                      'server': 'AmazonS3',
                                      'content-length': '0'},
                      'RetryAttempts': 0},
 'ETag': '"02bcabffffd16fe0fc250f08cad95e0c"'}
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Download the object

In

response = s3.get_object(
    Bucket="<bucket_name>",
    Key="test.txt",
)
pp(response)
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Out

{'ResponseMetadata': {'RequestId': 'VFRGAK3EBSGA1XGS',
                      'HostId': 'VBUkwBOKBD2OwD32lS+Dr6k5qZSpy4m5HS6Sr37VD07OioAy4FfBCsOn+Qs5FZB8gNYEkjnBlLo=',
                      'HTTPStatusCode': 200,
                      'HTTPHeaders': {'x-amz-id-2': 'VBUkwBOKBD2OwD32lS+Dr6k5qZSpy4m5HS6Sr37VD07OioAy4FfBCsOn+Qs5FZB8gNYEkjnBlLo=',
                                      'x-amz-request-id': 'VFRGAK3EBSGA1XGS',
                                      'date': 'Wed, 29 Jun 2022 15:34:49 GMT',
                                      'last-modified': 'Wed, 29 Jun 2022 '
                                                       '15:34:44 GMT',
                                      'etag': '"02bcabffffd16fe0fc250f08cad95e0c"',
                                      'accept-ranges': 'bytes',
                                      'content-type': 'text/plain',
                                      'server': 'AmazonS3',
                                      'content-length': '16'},
                      'RetryAttempts': 0},
 'AcceptRanges': 'bytes',
 'LastModified': datetime.datetime(2022, 6, 29, 15, 34, 44, tzinfo=tzutc()),
 'ContentLength': 16,
 'ETag': '"02bcabffffd16fe0fc250f08cad95e0c"',
 'ContentType': 'text/plain',
 'Metadata': {},
 'Body': <botocore.response.StreamingBody object at 0x7fc60007b8e0>}
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Read the object body

In

content = response["Body"].read().decode("utf-8")
print(content)
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Out

This is a test.
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