upload_presigned_url_function.py

def get_presigned_url_dict_to_upload_file(object_key: str) -> Dict[str, Any]:
   '''
   Returns a dict with the necessary data to upload a file for the given key
   '''
   session = Session(
       aws_access_key_id=settings.AWS_ACCESS_KEY_ID,
       aws_secret_access_key=settings.AWS_SECRET_ACCESS_KEY,
       region_name=settings.AWS_S3_REGION_NAME,
   )
   s3client = session.client('s3')

   url = s3client.generate_presigned_post(
       Bucket=settings.AWS_STORAGE_BUCKET_NAME,
       Key=object_key,
       Fields={
           'acl': 'private',
       },
       Conditions=[
           {'acl': 'private'},
       ],
       ExpiresIn=settings.AWS_PRESIGNED_URL_EXPIRATION_TIME_MINUTES,
   )

   return url