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AWS Lambda matplotlibでグラフ作成、S3にアップロードする

Last updated at Posted at 2021-02-27

lambda

権限の問題によりtmpディレクトリ下に保存する。

lambda_function.py
import matplotlib.pyplot as plt
import boto3


def upload():
    fig = plt.figure()
    plt.plot([1, 2, 3], [4, 5, 6])
    fig.savefig('/tmp/sample.png')
    client = boto3.client('s3')
    client.upload_file(
        '/tmp/sample.png',
        'lambda-upload-test-0227',
        'sample.png'
    )

def lambda_handler(event, context):
    upload()
    return 0

matplotlibのインポート

こちらの記事を参考にmatplotlibのARNをレイヤーに追加する。

参考記事

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