# -*- coding: utf-8 -*-
import re
from logzero import logger
import requests
from chaostoolkit import __version__
__all__ = ["check_newer_version"]
LATEST_RELEASE_URL = "https://releases.chaostoolkit.org/latest"
CHANGELOG_URL = "https://github.com/chaostoolkit/chaostoolkit/blob/master/CHANGELOG.md" # nopep8
def check_newer_version(command: str):
"""
Query for the latest release of the chaostoolkit to compare it
with the current's version. If the former is higher then issue a warning
inviting the user to upgrade its environment.
"""
try:
command = command.strip()
r = requests.get(LATEST_RELEASE_URL, timeout=(2, 30),
params={"current": __version__, "command": command})
if r.status_code == 200:
payload = r.json()
latest_version = payload["version"]
if payload.get("up_to_date") is False:
options = '--pre -U' if 'rc' in latest_version else '-U'
logger.warning(
"\nThere is a new version ({v}) of the chaostoolkit "
"available.\n"
"You may upgrade by typing:\n\n"
"$ pip install {opt} chaostoolkit\n\n"
"Please review changes at {u}\n".format(
u=CHANGELOG_URL, v=latest_version, opt=options))
return latest_version
except Exception:
pass
