nvchecker/nvchecker_source/github.py

150 lines
3.9 KiB
Python

# MIT licensed
# Copyright (c) 2013-2020 lilydjwg <lilydjwg@gmail.com>, et al.
import time
from urllib.parse import urlencode
from typing import Tuple
import structlog
from nvchecker.api import (
VersionResult, Entry, AsyncCache, KeyManager,
TemporaryError, session, GetVersionError,
)
logger = structlog.get_logger(logger_name=__name__)
GITHUB_URL = 'https://api.github.com/repos/%s/commits'
GITHUB_LATEST_RELEASE = 'https://api.github.com/repos/%s/releases/latest'
# https://developer.github.com/v3/git/refs/#get-all-references
GITHUB_MAX_TAG = 'https://api.github.com/repos/%s/git/refs/tags'
GITHUB_GRAPHQL_URL = 'https://api.github.com/graphql'
async def get_version(name, conf, **kwargs):
try:
return await get_version_real(name, conf, **kwargs)
except TemporaryError as e:
check_ratelimit(e, name)
QUERY_LATEST_TAG = '''
{{
repository(name: "{name}", owner: "{owner}") {{
refs(refPrefix: "refs/tags/", first: 1,
query: "{query}",
orderBy: {{field: TAG_COMMIT_DATE, direction: DESC}}) {{
edges {{
node {{
name
}}
}}
}}
}}
}}
'''
async def get_latest_tag(key: Tuple[str, str, str]) -> str:
repo, query, token = key
owner, reponame = repo.split('/')
headers = {
'Authorization': 'bearer %s' % token,
'Content-Type': 'application/json',
}
q = QUERY_LATEST_TAG.format(
owner = owner,
name = reponame,
query = query,
)
res = await session.post(
GITHUB_GRAPHQL_URL,
headers = headers,
json = {'query': q},
)
j = res.json()
refs = j['data']['repository']['refs']['edges']
if not refs:
raise GetVersionError('no tag found')
return refs[0]['node']['name']
async def get_version_real(
name: str, conf: Entry, *,
cache: AsyncCache, keymanager: KeyManager,
**kwargs,
) -> VersionResult:
repo = conf['github']
# Load token from config
token = conf.get('token')
# Load token from keyman
if token is None:
token = keymanager.get_key('github')
use_latest_tag = conf.get('use_latest_tag', False)
if use_latest_tag:
if not token:
raise GetVersionError('token not given but it is required')
query = conf.get('query', '')
return await cache.get((repo, query, token), get_latest_tag) # type: ignore
br = conf.get('branch')
path = conf.get('path')
use_latest_release = conf.get('use_latest_release', False)
use_max_tag = conf.get('use_max_tag', False)
if use_latest_release:
url = GITHUB_LATEST_RELEASE % repo
elif use_max_tag:
url = GITHUB_MAX_TAG % repo
else:
url = GITHUB_URL % repo
parameters = {}
if br:
parameters['sha'] = br
if path:
parameters['path'] = path
url += '?' + urlencode(parameters)
headers = {
'Accept': 'application/vnd.github.quicksilver-preview+json',
}
if token:
headers['Authorization'] = 'token %s' % token
data = await cache.get_json(url, headers = headers)
if use_max_tag:
tags = [ref['ref'].split('/', 2)[-1] for ref in data]
if not tags:
raise GetVersionError('No tag found in upstream repository.')
return tags
if use_latest_release:
if 'tag_name' not in data:
raise GetVersionError('No release found in upstream repository.')
version = data['tag_name']
else:
# YYYYMMDD.HHMMSS
version = data[0]['commit']['committer']['date'] \
.rstrip('Z').replace('-', '').replace(':', '').replace('T', '.')
return version
def check_ratelimit(exc, name):
res = exc.response
if not res:
raise
# default -1 is used to re-raise the exception
n = int(res.headers.get('X-RateLimit-Remaining', -1))
if n == 0:
reset = int(res.headers.get('X-RateLimit-Reset'))
logger.error('rate limited, resetting at %s. '
'Or get an API token to increase the allowance if not yet'
% time.ctime(reset),
name = name,
reset = reset)
else:
raise