"""
S3 module store common s3 methods
=================================

This module lists buckets and uploads a file to an s3 bucket.
"""


import boto3


def list_buckets():
    """This method will list all buckets.

    Args:
        none
    """

    s3 = boto3.resource('s3')
    for bucket in s3.buckets.all():
        print(bucket.name)


def upload(bucketname, filename, remotefilename):
    """This method will upload a file to a bucket.

    Args:
        bucketname (str): The name of the s3 bucket to upload the file into.
        filename (str): The name of the local file to be uploaded.
        remotefilename (str): The name of remote file.
    """

    s3_client = boto3.client('s3')
    # Upload the file to S3
    s3_client.upload_file(filename, bucketname, remotefilename)
    print('file uploaded: {}'.format(remotefilename))