Basis for a boto3 script

boto3_sample.py

#! /usr/bin/env python3

import argparse
import boto3
import logging

parser = argparse.ArgumentParser(description='Retrieve Omics test run results')
parser.add_argument('-p', '--profile', dest='profile', metavar='PROFILE', help='AWS profile to use')
parser.add_argument('-n', '--name', dest='name', metavar='NAME', help='Name of test (run prefix)')
parser.add_argument('-v', '--verbose', dest='verbose', action='count', default=0, help='Verbosity (up to 3x)')
args = parser.parse_args()

FORMAT = '%(asctime)s %(levelname)s %(message)s'
levels = [logging.WARNING, logging.INFO, logging.DEBUG]
level = levels[min(args.verbose, len(levels) - 1)]  # cap to last level index
logging.basicConfig(format=FORMAT, level=level)
logger = logging.getLogger('myLogger')

if (logging.root.level < logging.WARNING):
    print(f'Logging at level {logging.getLevelName(logging.root.level)}')

session = boto3.session.Session(profile_name=args.profile)
s3 = session.client('s3')