Query on an involved table, using boto3

query_boto3.py

import arrow
import boto3
import uuid
dynamodb = boto3.client('dynamodb')

some_id = uuid.uuid4()
some_time = arrow.now()

request = {
    'ConsistentRead': False,
    'ExpressionAttributeNames': {
        '#n0': 'joined', '#n2': 'not_projected', '#n3': 'name', '#n5': 'date'},
    'ExpressionAttributeValues': {
        ':v4': {'S': str(some_id)},
        ':v6': {'S': some_time.isoformat()},
        ':v1': {'S': 'today'}},
    'FilterExpression': '(#n0 = :v1)',
    'KeyConditionExpression': '((#n3 = :v4) AND (#n5 = :v6))',
    'ProjectionExpression': '#n2',
    'ScanIndexForward': True,
    'Select': 'SPECIFIC_ATTRIBUTES',
    'TableName': 'CustomTableName'
}

# Don't forget to handle retries and continuation tokens (LastEvaluatedKey)
results = dynamodb.query(**request)
for item in results["Items"]:
    print("Now just load these serialized values:")
    print(item["name"], item["date"], item["not_modeled"])