Upload files to S3 using generated signed URLs

signed_s3_upload.py

import requests
from boto.s3.connection import S3Connection

c = S3Connection(AWS_ACCESS_KEY, AWS_SECRET_KET)

data = 'file content'
filename = 'dir/name.txt'
bucket_name = 'your-bucket-name'
headers = {'Content-Type': 'text/plain'}

# Generate signed url
url = c.generate_url(
    expires_in=300,
    method='PUT',
    bucket=bucket_name,
    key=filename,
    headers=headers,
    #force_http=True,
)

# Upload file
requests.put(url, data=data, headers=headers)