Upload a single file to amazon s3 bucket. The upload_file method accepts a file name, a bucket name, and an object name. The method handles large files by splitting them into smaller chunks and uploading each chunk in parallel.

upload files to amazon s3 bucket.py

import logging
import boto3
from botocore.exceptions import ClientError
import os

"""
Upload a single file to amazon s3 bucket

The upload_file method accepts a file name, a bucket name, and an object name.
The method handles large files by splitting them into smaller chunks and uploading each chunk in parallel.

reference: https://boto3.amazonaws.com/v1/documentation/api/latest/guide/s3-uploading-files.html
"""

def upload_file(file_name, bucket, object_name=None):
    """Upload a file to an S3 bucket

    :param file_name: File to upload
    :param bucket: Bucket to upload to
    :param object_name: S3 object name. If not specified then file_name is used
    :return: True if file was uploaded, else False
    """

    # If S3 object_name was not specified, use file_name
    if object_name is None:
        object_name = os.path.basename(file_name)

    # Upload the file
    s3_client = boto3.client(
    's3',
    aws_access_key_id="<your-aws-access-key-id?",
    aws_secret_access_key="<your_aws_secret_access_key>",
    aws_session_token="<your_aws_session_token>" # create your session key from https://unix.stackexchange.com/a/481609
)
    try:
        response = s3_client.upload_file(file_name, bucket, object_name)
    except ClientError as e:
        logging.error(e)
        return False
    return True

upload_file("<file-to-upload>", "<bucket-name>")