function.py 文件源码

def get_data(event):
    dynamodb = boto3.resource('dynamodb')
    table = dynamodb.Table(tablename)
    response = table.query(
        KeyConditionExpression=Key(hashkey).eq(event[hashkey]) \
                               & Key(rangekey).eq(event[rangekey])
    )
    for item in response['Items']:
        objkeypair = ast.literal_eval(item['mappings'])
        if 'lookup' in event:
            return objkeypair[event['lookup']]
        else:
            return objkeypair