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import gzip
from pathlib import Path
import re
from typing import Mapping
from .base import Repository, Version
__all__ = [
'buster_main_all',
'buster_main_amd64',
'buster_contrib_all',
'buster_contrib_amd64',
'buster_non_free_all',
'buster_non_free_amd64',
'testing_main_all',
'testing_main_amd64',
'testing_contrib_all',
'testing_contrib_amd64',
'testing_non_free_all',
'testing_non_free_amd64',
]
PACKAGE_REVISION_INFO = re.compile(r'(\+\w+)*-\d+$')
def parse_cached(cached: Path) -> Mapping[str, Version]:
result = dict()
with gzip.open(cached, mode='rt') as file:
this_package = None
this_version = None
for line in file:
line = line.strip()
pieces = line.split(': ', 1)
if len(pieces) != 2:
continue
line_type, line_data = pieces
if line_type == 'Package':
this_package = line_data
elif line_type == 'Version':
this_version = line_data
if this_package is not None and this_version is not None:
clean_version = PACKAGE_REVISION_INFO.sub('', this_version)
result[this_package] = Version(this_version, clean_version)
this_version = None
this_package = None
return result
def build_repo(name: str, dist: str, section: str, arch: str = 'all') -> Repository:
url = f'https://deb.debian.org/debian/dists/{dist}/{section}/binary-{arch}/Packages.gz'
if arch != 'all':
section = f'{section}/{arch}'
return Repository(
family='Debian',
repo=name,
section=section,
index_url=url,
parse=parse_cached,
)
buster_main_all = build_repo('10 - Buster', 'buster', 'main')
buster_main_amd64 = build_repo('10 - Buster', 'buster', 'main', 'amd64')
buster_contrib_all = build_repo('10 - Buster', 'buster', 'contrib')
buster_contrib_amd64 = build_repo('10 - Buster', 'buster', 'contrib', 'amd64')
buster_non_free_all = build_repo('10 - Buster', 'buster', 'non-free')
buster_non_free_amd64 = build_repo('10 - Buster', 'buster', 'non-free', 'amd64')
testing_main_all = build_repo('Testing', 'testing', 'main')
testing_main_amd64 = build_repo('Testing', 'testing', 'main', 'amd64')
testing_contrib_all = build_repo('Testing', 'testing', 'contrib')
testing_contrib_amd64 = build_repo('Testing', 'testing', 'contrib', 'amd64')
testing_non_free_all = build_repo('Testing', 'testing', 'non-free')
testing_non_free_amd64 = build_repo('Testing', 'testing', 'non-free', 'amd64')
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