mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-22 06:05:13 +00:00
96 lines
2.4 KiB
Python
96 lines
2.4 KiB
Python
|
from __future__ import print_function
|
||
|
|
|
||
|
|
|
||
|
|
import argparse
|
||
|
|
import bz2
|
||
|
|
import email
|
||
|
|
import json
|
||
|
|
import logging
|
||
|
|
|
||
|
|
from itertools import product
|
||
|
|
from operator import itemgetter
|
||
|
|
|
||
|
|
import attr
|
||
|
|
import pkg_resources
|
||
|
|
|
||
|
|
from pathlib2 import Path
|
||
|
|
from requests import Session
|
||
|
|
from six.moves.urllib_parse import urljoin
|
||
|
|
|
||
|
|
|
||
|
|
@attr.s
|
||
|
|
class ReleaseElement(object):
|
||
|
|
sha256 = attr.ib(repr=False)
|
||
|
|
size = attr.ib(convert=int)
|
||
|
|
path = attr.ib()
|
||
|
|
|
||
|
|
log = logging.getLogger('enpass.updater')
|
||
|
|
|
||
|
|
|
||
|
|
parser = argparse.ArgumentParser()
|
||
|
|
parser.add_argument('--repo')
|
||
|
|
parser.add_argument('--target', type=Path)
|
||
|
|
|
||
|
|
|
||
|
|
session = Session()
|
||
|
|
|
||
|
|
|
||
|
|
def parse_bz2_msg(msg):
|
||
|
|
msg = bz2.decompress(msg)
|
||
|
|
if '\n\n' in msg:
|
||
|
|
parts = msg.split('\n\n')
|
||
|
|
return list(map(email.message_from_string, parts))
|
||
|
|
return email.message_from_string(msg)
|
||
|
|
|
||
|
|
|
||
|
|
def fetch_meta(repo, name, parse=email.message_from_string, split=False):
|
||
|
|
url = urljoin(repo, 'dists/stable', name)
|
||
|
|
response = session.get("{repo}/dists/stable/{name}".format(**locals()))
|
||
|
|
return parse(response.content)
|
||
|
|
|
||
|
|
|
||
|
|
def fetch_filehashes(repo, path):
|
||
|
|
meta = fetch_meta(repo, path, parse=parse_bz2_msg)
|
||
|
|
for item in meta:
|
||
|
|
yield {
|
||
|
|
'version': pkg_resources.parse_version(str(item['Version'])),
|
||
|
|
'path': item['Filename'],
|
||
|
|
'sha256': item['sha256'],
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
def fetch_archs(repo):
|
||
|
|
m = fetch_meta(repo, 'Release')
|
||
|
|
|
||
|
|
architectures = m['Architectures'].split()
|
||
|
|
elements = [ReleaseElement(*x.split()) for x in m['SHA256'].splitlines()]
|
||
|
|
elements = [x for x in elements if x.path.endswith('bz2')]
|
||
|
|
|
||
|
|
for arch, elem in product(architectures, elements):
|
||
|
|
if arch in elem.path:
|
||
|
|
yield arch, max(fetch_filehashes(repo, elem.path),
|
||
|
|
key=itemgetter('version'))
|
||
|
|
|
||
|
|
|
||
|
|
class OurVersionEncoder(json.JSONEncoder):
|
||
|
|
def default(self, obj):
|
||
|
|
# the other way around to avoid issues with
|
||
|
|
# newer setuptools having strict/legacy versions
|
||
|
|
if not isinstance(obj, (dict, str)):
|
||
|
|
return str(obj)
|
||
|
|
return json.JSONEncoder.default(self, obj)
|
||
|
|
|
||
|
|
|
||
|
|
def main(repo, target):
|
||
|
|
logging.basicConfig(level=logging.DEBUG)
|
||
|
|
with target.open(mode='wb') as fp:
|
||
|
|
json.dump(
|
||
|
|
dict(fetch_archs(repo)), fp,
|
||
|
|
cls=OurVersionEncoder,
|
||
|
|
indent=2,
|
||
|
|
sort_keys=True)
|
||
|
|
|
||
|
|
|
||
|
|
opts = parser.parse_args()
|
||
|
|
main(opts.repo, opts.target)
|