nvchecker/nvchecker_source/npm.py

39 lines
1.0 KiB
Python

# MIT licensed
# Copyright (c) 2013-2020 lilydjwg <lilydjwg@gmail.com>, et al.
import json
import re
from nvchecker.api import session, RichResult
NPM_URL = 'https://registry.npmjs.org/%s'
def configure(config):
global NPM_URL
url = config.get('registry')
if url:
NPM_URL = f'{url.rstrip("/")}/%s'
async def get_first_1k(url):
headers = {
"Accept": "application/vnd.npm.install-v1+json",
"Range": "bytes=0-1023",
}
res = await session.get(url, headers=headers)
return res.body
async def get_version(name, conf, *, cache, **kwargs):
key = conf.get('npm', name)
data = await cache.get(NPM_URL % key, get_first_1k)
dist_tags = json.loads(re.search(b'"dist-tags":({.*?})', data).group(1))
version = dist_tags['latest']
# There is no standardised URL scheme, so we only return an URL for the default registry
if NPM_URL.startswith('https://registry.npmjs.org/'):
return RichResult(
version = version,
url = f'https://www.npmjs.com/package/{key}/v/{version}',
)
else:
return version