70 lines
3.0 KiB
Python
70 lines
3.0 KiB
Python
# Copyright 2016-2020 Christoph Reiter
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# SPDX-License-Identifier: MIT
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import asyncio
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import pyzstd
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from ..appconfig import CYGWIN_METADATA_URL, REQUEST_TIMEOUT
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from ..appstate import ExtId, ExtInfo, state
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from ..utils import logger, version_is_newer_than
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from .utils import check_needs_update, get_content_cached
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def parse_cygwin_versions(base_url: str, data: bytes) -> tuple[dict[str, ExtInfo], dict[str, ExtInfo]]:
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# This is kinda hacky: extract the source name from the src tarball and take
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# last version line before it
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version = None
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source_package = None
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versions: dict[str, ExtInfo] = {}
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versions_mingw64: dict[str, ExtInfo] = {}
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base_url = base_url.rsplit("/", 2)[0]
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in_main = True
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for line in data.decode("utf-8").splitlines():
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if line.startswith("@"):
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in_main = True
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if line.startswith("version:"):
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version = line.split(":")[-1].strip().split("-", 1)[0].split("+", 1)[0]
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elif in_main and line.startswith("source:"):
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in_main = False
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source = line.split(":", 1)[-1].strip()
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fn = source.rsplit(None, 2)[0]
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source_package = fn.rsplit("/")[-1].rsplit("-", 3)[0]
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src_url = base_url + "/" + fn
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assert version is not None
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src_url_name = src_url.rsplit("/")[-1]
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if source_package.startswith("mingw64-x86_64-"):
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info_name = source_package.split("-", 2)[-1]
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if info_name in versions_mingw64:
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existing_version = versions_mingw64[info_name][0]
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if not version_is_newer_than(version, existing_version):
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continue
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versions_mingw64[info_name] = ExtInfo(
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info_name, version, 0,
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f"https://cygwin.com/packages/summary/{source_package}-src.html",
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{src_url: src_url_name})
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else:
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info_name = source_package
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if info_name in versions:
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existing_version = versions[info_name][0]
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if not version_is_newer_than(version, existing_version):
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continue
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versions[info_name] = ExtInfo(
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info_name, version, 0,
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f"https://cygwin.com/packages/summary/{source_package}-src.html",
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{src_url: src_url_name})
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return versions, versions_mingw64
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async def update_cygwin_versions() -> None:
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url = CYGWIN_METADATA_URL
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if not await check_needs_update([url]):
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return
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logger.info("update cygwin info")
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logger.info(f"Loading {url!r}")
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data = await get_content_cached(url, timeout=REQUEST_TIMEOUT)
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data = pyzstd.decompress(data)
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cygwin_versions, cygwin_versions_mingw64 = await asyncio.to_thread(parse_cygwin_versions, url, data)
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state.set_ext_infos(ExtId("cygwin", "Cygwin", True, True), cygwin_versions)
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state.set_ext_infos(ExtId("cygwin-mingw64", "Cygwin-mingw64", False, True), cygwin_versions_mingw64)
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