Python Exception Logger and Boto3 Client

myboto3_client.py

import boto3
from mylogger import logger,log_exception

def create_session(profile_name='default'):
    logger.info(f'Creating new boto3 session with profile {profile_name}')
    try:
        return boto3.session.Session(profile_name=profile_name)
    except:
        raise Exception( log_exception() )

def create_client(session, service):
    logger.info(f'Creating boto3 {service} client with profile {session.profile_name}')
    try:
        return session.client(service)
    except:
        raise Exception( log_exception() )
        
def how_to_use():
    session = create_session()
    s3_client = create_client(session, 's3')
    s3_client.list_buckets()

mylogger.py

import logging, sys, json, traceback

logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)

# uncomment the following to have the logger write to standard out
# logger.addHandler(logging.StreamHandler())

def log_exception():
    exception_type, exception_value, exception_traceback = sys.exc_info()
    traceback_string = traceback.format_exception(
        exception_type, exception_value, exception_traceback)
    err_msg = json.dumps({
        'errorType': exception_type.__name__,
        'errorMessage': str(exception_value),
        'stackTrace': traceback_string
    })
    logger.error(err_msg)
    return traceback_string[-1]
  
def how_to_use():    
    try:
        # some code that could throw exception
        return
    except:
        raise Exception( log_exception() )