mirror of
https://github.com/resf/distro-tools.git
synced 2024-11-25 14:41:28 +00:00
121 lines
3.9 KiB
Python
121 lines
3.9 KiB
Python
import gzip
|
|
import lzma
|
|
import re
|
|
from xml.etree import ElementTree as ET
|
|
from urllib.parse import urlparse
|
|
from os import path
|
|
|
|
import aiohttp
|
|
import yaml
|
|
|
|
from common.logger import Logger
|
|
|
|
NVRA_RE = re.compile(
|
|
r"^(\S+)-([\w~%.+]+)-(\w+(?:\.[\w~%+]+)+?)(?:\.(\w+))?(?:\.rpm)?$"
|
|
)
|
|
NEVRA_RE = re.compile(
|
|
r"^(\S+)-(\d):([\w~%.+]+)-(\w+(?:\.[\w~%+]+)+?)(?:\.(\w+))?(?:\.rpm)?$"
|
|
)
|
|
EPOCH_RE = re.compile(r"(\d+):")
|
|
DIST_RE = re.compile(r"(\.el\d(?:_\d|))")
|
|
MODULE_DIST_RE = re.compile(r"\.module.+$")
|
|
|
|
|
|
def clean_nvra_pkg(matching_pkg: ET.Element) -> str:
|
|
name = matching_pkg.find("{http://linux.duke.edu/metadata/common}name").text
|
|
version = matching_pkg.find(
|
|
"{http://linux.duke.edu/metadata/common}version"
|
|
).attrib["ver"]
|
|
release = matching_pkg.find(
|
|
"{http://linux.duke.edu/metadata/common}version"
|
|
).attrib["rel"]
|
|
arch = matching_pkg.find("{http://linux.duke.edu/metadata/common}arch").text
|
|
|
|
clean_release = MODULE_DIST_RE.sub("", DIST_RE.sub("", release))
|
|
return f"{name}-{version}-{clean_release}.{arch}"
|
|
|
|
|
|
def clean_nvra(nvra_raw: str) -> str:
|
|
nvra = NVRA_RE.search(nvra_raw)
|
|
name = nvra.group(1)
|
|
version = nvra.group(2)
|
|
release = nvra.group(3)
|
|
arch = nvra.group(4)
|
|
|
|
clean_release = MODULE_DIST_RE.sub("", DIST_RE.sub("", release))
|
|
return f"{name}-{version}-{clean_release}.{arch}"
|
|
|
|
|
|
async def download_xml(
|
|
url: str, gz: bool = False, xz: bool = False
|
|
) -> ET.Element:
|
|
async with aiohttp.ClientSession() as session:
|
|
async with session.get(url) as resp:
|
|
if resp.status != 200:
|
|
raise Exception(f"Failed to get {url}: {resp.status}")
|
|
# Do an in memory gzip decompression if gz is set
|
|
if gz:
|
|
return ET.fromstring(
|
|
gzip.decompress(await resp.read()).decode("utf-8")
|
|
)
|
|
elif xz:
|
|
return ET.fromstring(
|
|
lzma.decompress(await resp.read()).decode("utf-8")
|
|
)
|
|
return ET.fromstring(await resp.text())
|
|
|
|
|
|
async def download_yaml(url: str, gz: bool = False, xz: bool = False) -> any:
|
|
async with aiohttp.ClientSession() as session:
|
|
async with session.get(url) as resp:
|
|
if resp.status != 200:
|
|
raise Exception(f"Failed to get {url}: {resp.status}")
|
|
# Do an in memory gzip decompression if gz is set
|
|
if gz:
|
|
return yaml.full_load_all(
|
|
gzip.decompress(await resp.read()).decode("utf-8")
|
|
)
|
|
elif xz:
|
|
return yaml.full_load_all(
|
|
lzma.decompress(await resp.read()).decode("utf-8")
|
|
)
|
|
|
|
return yaml.full_load_all(await resp.text())
|
|
|
|
|
|
async def get_data_from_repomd(
|
|
url: str,
|
|
data_type: str,
|
|
el: ET.Element,
|
|
is_yaml=False,
|
|
):
|
|
# There is a top-most repomd element in repomd
|
|
# Under there is revision and multiple data elements
|
|
# We want the data element with type="data_type"
|
|
# Under that is location with href
|
|
# That href is the location of the data
|
|
for data in el.findall("{http://linux.duke.edu/metadata/repo}data"):
|
|
if data.attrib["type"] == data_type:
|
|
location = data.find(
|
|
"{http://linux.duke.edu/metadata/repo}location"
|
|
)
|
|
parsed_url = urlparse(url)
|
|
new_path = path.abspath(
|
|
path.join(parsed_url.path, "../..", location.attrib["href"])
|
|
)
|
|
data_url = parsed_url._replace(path=new_path).geturl()
|
|
|
|
if is_yaml:
|
|
return await download_yaml(
|
|
data_url,
|
|
gz=data_url.endswith(".gz"),
|
|
xz=data_url.endswith(".xz"),
|
|
)
|
|
return await download_xml(
|
|
data_url,
|
|
gz=data_url.endswith(".gz"),
|
|
xz=data_url.endswith(".xz"),
|
|
)
|
|
|
|
return None
|