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from io import TextIOWrapper
from pathlib import Path
import re
import tarfile
from typing import Mapping, TextIO
from .base import Repository, Version
__all__ = [
'stable_main_x86_64',
'stable_community_x86_64',
'edge_main_x86_64',
'edge_community_x86_64',
'edge_testing_x86_64',
]
PACKAGE_REVISION_INFO = re.compile(r'-r\d+$')
def parse_apkindex(apkindex: TextIO) -> Mapping[str, Version]:
result = dict()
current_package = None
current_version = None
ignore_lines = ['C', 'A', 'S', 'I', 'T', 'U', 'L', 'o', 'm', 't', 'c', 'D', 'p', 'i', 'k']
for line in apkindex:
line = line.strip()
if len(line) == 0:
if current_package is not None and current_version is not None:
result[current_package] = current_version
current_package = None
current_version = None
continue
try:
line_type, line_data = line.split(':', 1)
except ValueError:
print('what uhhhh the fuck', line, line.split(':', 1))
continue
if line_type == 'C':
# TODO figure out what this means
pass
elif line_type == 'P':
current_package = line_data
elif line_type == 'V':
version = line_data
clean_version = PACKAGE_REVISION_INFO.sub('', version)
current_version = Version(version, clean_version)
elif line_type in ignore_lines:
pass
else:
raise ValueError('unknown line type: ' + line_type + ' in line ' + repr(line))
return result
def parse_cached(cached: Path) -> Mapping[str, Version]:
apkindex = tarfile.open(cached)
for archive_member in apkindex.getmembers():
if archive_member.name == 'APKINDEX':
apkindex_file = apkindex.extractfile(archive_member)
apkindex_file = TextIOWrapper(apkindex_file)
return parse_apkindex(apkindex_file)
def build_repo(name: str, section: str, url_path: str) -> Repository:
url = f'http://dl-cdn.alpinelinux.org/alpine/{url_path}/APKINDEX.tar.gz'
return Repository(
family='Alpine Linux',
repo=name,
section=section,
index_url=url,
parse=parse_cached,
)
stable_main_x86_64 = build_repo('Stable', 'main/x86_64', 'latest-stable/main/x86_64')
stable_community_x86_64 = build_repo('Stable', 'community/x86_64', 'latest-stable/community/x86_64')
edge_main_x86_64 = build_repo('Edge', 'main/x86_64', 'edge/main/x86_64')
edge_community_x86_64 = build_repo('Edge', 'community/x86_64', 'edge/community/x86_64')
edge_testing_x86_64 = build_repo('Edge', 'testing/x86_64', 'edge/testing/x86_64')
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