talsan

import pandas as pd
from typing import Union

# input parameters
asset_data = pd.read('./input_file.csv')
bm_wts_col = 'bm_wt'
por_wts_col = 'por_wt'
grouping_level = 'sector'
rets_col = 'ret_1mf'

talsan

import boto3
import time
from botocore.exceptions import ClientError
import pandas as pd
from io import BytesIO
from datetime import datetime
import pprint
import logging

log = logging.getLogger(__name__)

talsan

import boto3
import gzip
from io import BytesIO
import shutil

aws_session = boto3.Session(aws_access_key_id='',  ### AWS ACCESS KEY HERE
                            aws_secret_access_key='')  ### AWS SECRET KEY HERE

s3_client = aws_session.client('s3')

talsan

import boto3
import re

aws_session = boto3.Session(aws_access_key_id='',  ### AWS ACCESS KEY HERE
                            aws_secret_access_key='')  ### AWS SECRET KEY HERE

s3_client = aws_session.client('s3')


def list_keys(bucket, prefix='', suffix='', full_path=True, remove_ext=False):

talsan

import boto3
import gzip
from io import BytesIO
import shutil

aws_session = boto3.Session(aws_access_key_id='',  ### AWS ACCESS KEY HERE
                            aws_secret_access_key='')  ### AWS SECRET KEY HERE

s3_client = aws_session.client('s3')