ahriman/src/ahriman/core/alpm/remote/official.py

148 lines
5.0 KiB
Python

#
# Copyright (c) 2021-2023 ahriman team.
#
# This file is part of ahriman
# (see https://github.com/arcan1s/ahriman).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import requests
from typing import Any
from ahriman.core.alpm.pacman import Pacman
from ahriman.core.alpm.remote import Remote
from ahriman.core.exceptions import PackageInfoError, UnknownPackageError
from ahriman.core.util import exception_response_text
from ahriman.models.aur_package import AURPackage
class Official(Remote):
"""
official repository RPC wrapper
Attributes:
DEFAULT_ARCHLINUX_URL(str): (class attribute) default archlinux url
DEFAULT_SEARCH_REPOSITORIES(list[str]): (class attribute) default list of repositories to search
DEFAULT_RPC_URL(str): (class attribute) default archlinux repositories RPC url
DEFAULT_TIMEOUT(int): (class attribute) HTTP request timeout in seconds
"""
DEFAULT_ARCHLINUX_URL = "https://archlinux.org"
DEFAULT_SEARCH_REPOSITORIES = ["Core", "Extra", "Multilib", "Community"]
DEFAULT_RPC_URL = "https://archlinux.org/packages/search/json"
DEFAULT_TIMEOUT = 30
@staticmethod
def parse_response(response: dict[str, Any]) -> list[AURPackage]:
"""
parse RPC response to package list
Args:
response(dict[str, Any]): RPC response json
Returns:
list[AURPackage]: list of parsed packages
Raises:
InvalidPackageInfo: for error API response
"""
if not response["valid"]:
raise PackageInfoError("API validation error")
return [AURPackage.from_repo(package) for package in response["results"]]
@classmethod
def remote_git_url(cls: type[Remote], package_base: str, repository: str) -> str:
"""
generate remote git url from the package base
Args
package_base(str): package base
repository(str): repository name
Returns:
str: git url for the specific base
"""
if repository.lower() in ("core", "extra", "testing", "kde-unstable"):
return "https://github.com/archlinux/svntogit-packages.git" # hardcoded, ok
return "https://github.com/archlinux/svntogit-community.git"
@classmethod
def remote_web_url(cls: type[Remote], package_base: str) -> str:
"""
generate remote web url from the package base
Args
package_base(str): package base
Returns:
str: web url for the specific base
"""
return f"{Official.DEFAULT_ARCHLINUX_URL}/packages/{package_base}"
def make_request(self, *args: str, by: str) -> list[AURPackage]:
"""
perform request to official repositories RPC
Args:
*args(str): list of arguments to be passed as args query parameter
by(str): search by the field
Returns:
list[AURPackage]: response parsed to package list
"""
try:
response = requests.get(
self.DEFAULT_RPC_URL,
params={by: args, "repo": self.DEFAULT_SEARCH_REPOSITORIES},
timeout=self.DEFAULT_TIMEOUT)
response.raise_for_status()
return self.parse_response(response.json())
except requests.HTTPError as e:
self.logger.exception("could not perform request: %s", exception_response_text(e))
raise
except Exception:
self.logger.exception("could not perform request")
raise
def package_info(self, package_name: str, *, pacman: Pacman) -> AURPackage:
"""
get package info by its name
Args:
package_name(str): package name to search
pacman(Pacman): alpm wrapper instance
Returns:
AURPackage: package which match the package name
"""
packages = self.make_request(package_name, by="name")
try:
return next(package for package in packages if package.name == package_name)
except StopIteration:
raise UnknownPackageError(package_name)
def package_search(self, *keywords: str, pacman: Pacman) -> list[AURPackage]:
"""
search package in AUR web
Args:
*keywords(str): keywords to search
pacman(Pacman): alpm wrapper instance
Returns:
list[AURPackage]: list of packages which match the criteria
"""
return self.make_request(*keywords, by="q")