Get latest emr release https://docs.aws.amazon.com/emr/latest/ReleaseGuide/emr-release-components.html

get_latest_emr_release.py

import re
from xml.etree import ElementTree as ET

import requests

EMR_RELEASE_NOTES_RSS_URL = "https://docs.aws.amazon.com/emr/latest/ReleaseGuide/amazon-emr-release-notes.rss"


def get_latest_emr_release():
    "Get latest release version from EMR release note"

    response = requests.request(method="GET", url=EMR_RELEASE_NOTES_RSS_URL)
    root = ET.fromstring(response.content.decode())
    title = root.find("channel/item/title")
    # e.g. 'Release 5.17.0 Now Available' => 5.17.0
    result = re.search(r"\d+\.\d+\.\d+", title.text)

    assert result is not None, f"Can not find release version from '{title.text}'"
    return result.group()
  
if __name__ == "__main__":
  print(f"latest emr release is '{get_latest_emr_release()}'")