DynamoDB Local에서python을 사용하여 번호 처리 편 만들기

개요

사전 준비

이루어지다

import os
import boto3

endpoint_url = os.getenv('DYNAMODB_ENDPOINT', 'http://192.168.99.100:8000/')
aws_access_key_id = os.getenv('DYNAMODB_ACCESS_KEY_ID', 'DummyID')
aws_secret_access_key_id = os.getenv('DYNAMODB_SECRET_ACCESS_KEY_ID', 'DummyKey')
aws_region_name = os.getenv('DYNAMODB_REGION', 'ap-northeast-1')

dynamodb = boto3.resource(
    'dynamodb',
    region_name=aws_region_name,
    endpoint_url=endpoint_url,
    aws_access_key_id=aws_access_key_id,
    aws_secret_access_key=aws_secret_access_key_id
)

sequences = dynamodb.Table('sequences')

res = sequences.update_item(
    Key= {
        'sequence_key': 'TEST_SEQ'
        },
    UpdateExpression="ADD #name :increment",
    ExpressionAttributeNames={
        '#name':'val'
        },
    ExpressionAttributeValues={
        ":increment": int(1)
        },
    ReturnValues="UPDATED_NEW"
)

count=res['Attributes']['val']

print(count)