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authorMelody Horn <melody@boringcactus.com>2021-03-29 18:08:28 -0600
committerMelody Horn <melody@boringcactus.com>2021-03-29 18:08:28 -0600
commit7bfdfcbb2a415a60abf906f6033b932dce99ccf7 (patch)
tree86cfe040ca7042db23d365b96d128ef4e87e2ef6
parent0f6c08d614d8e10f7552f5df7c542ca9deb1126b (diff)
downloadwhere-packaged-7bfdfcbb2a415a60abf906f6033b932dce99ccf7.tar.gz
where-packaged-7bfdfcbb2a415a60abf906f6033b932dce99ccf7.zip
use arch btw
-rw-r--r--repos/__init__.py3
-rw-r--r--repos/arch_linux.py74
2 files changed, 76 insertions, 1 deletions
diff --git a/repos/__init__.py b/repos/__init__.py
index 1dea3a1..fc81260 100644
--- a/repos/__init__.py
+++ b/repos/__init__.py
@@ -1,6 +1,6 @@
from typing import Mapping, List
-from . import alpine_linux
+from . import alpine_linux, arch_linux
from .base import Repository
__all__ = [
@@ -15,6 +15,7 @@ def repos_from(module):
all_repos: List[Repository] = [
*repos_from(alpine_linux),
+ *repos_from(arch_linux),
]
def get_versions(package: str) -> Mapping[str, Mapping[str, str]]:
diff --git a/repos/arch_linux.py b/repos/arch_linux.py
new file mode 100644
index 0000000..52ef557
--- /dev/null
+++ b/repos/arch_linux.py
@@ -0,0 +1,74 @@
+from io import TextIOWrapper
+from pathlib import Path
+import re
+import tarfile
+from typing import Mapping, TextIO, Tuple
+
+from .base import Repository, Version
+
+__all__ = [
+ 'core',
+ 'community',
+ 'community_testing',
+ 'extra',
+ 'gnome_unstable',
+ 'kde_unstable',
+ 'multilib',
+ 'multilib_testing',
+ 'testing',
+]
+
+PACKAGE_REVISION_INFO = re.compile(r'(^\d+:)|(-\d+$)')
+
+def parse_desc(desc_file: TextIO) -> Tuple[str, Version]:
+ name = None
+ version = None
+ next_line_is = None
+ for line in desc_file:
+ line = line.strip()
+ if len(line) == 0:
+ continue
+ if line.startswith('%') and line.endswith('%'):
+ next_line_is = line.strip('%')
+ continue
+ if next_line_is == 'NAME':
+ name = line
+ elif next_line_is == 'VERSION':
+ version = line
+ next_line_is = None
+
+ if name is not None and version is not None:
+ clean_version = PACKAGE_REVISION_INFO.sub('', version)
+ return name, Version(version, clean_version)
+
+def parse_cached(cached: Path) -> Mapping[str, Version]:
+ db = tarfile.open(cached)
+ result = dict()
+ for archive_member in db.getmembers():
+ if archive_member.name.endswith('/desc') and archive_member.isfile():
+ desc_file = db.extractfile(archive_member)
+ desc_file = TextIOWrapper(desc_file)
+ name, version = parse_desc(desc_file)
+ result[name] = version
+ return result
+
+def build_repo(name: str) -> Repository:
+ url = f'https://mirror.rackspace.com/archlinux/{name}/os/x86_64/{name}.db.tar.gz'
+ return Repository(
+ family='Arch Linux',
+ repo=name,
+ index_url=url,
+ parse=parse_cached,
+ )
+
+core = build_repo('core')
+community = build_repo('community')
+community_testing = build_repo('community-testing')
+extra = build_repo('extra')
+gnome_unstable = build_repo('gnome-unstable')
+kde_unstable = build_repo('kde-unstable')
+multilib = build_repo('multilib')
+multilib_testing = build_repo('multilib-testing')
+testing = build_repo('testing')
+
+# TODO figure out how to grab this info from AUR