263 lines
8.4 KiB
Python
Executable file
263 lines
8.4 KiB
Python
Executable file
#!/usr/bin/env nix-shell
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#!nix-shell -I nixpkgs=channel:nixpkgs-unstable -i python3 -p "python3.withPackages (ps: with ps; [ aiohttp packaging ])" -p git nurl nodePackages.pyright ruff isort
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import asyncio
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import json
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import os
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import re
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import sys
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from subprocess import check_output, run
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from typing import Dict, Final, List, Optional, Union
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import aiohttp
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from aiohttp import ClientSession
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from packaging.version import Version
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ROOT: Final = check_output([
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"git",
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"rev-parse",
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"--show-toplevel",
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]).decode().strip()
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def run_sync(cmd: List[str]) -> None:
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print(f"$ {' '.join(cmd)}")
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process = run(cmd)
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if process.returncode != 0:
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sys.exit(1)
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async def check_async(cmd: List[str]) -> str:
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print(f"$ {' '.join(cmd)}")
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process = await asyncio.create_subprocess_exec(
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*cmd,
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE
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)
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stdout, stderr = await process.communicate()
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if process.returncode != 0:
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error = stderr.decode()
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raise RuntimeError(f"{cmd[0]} failed: {error}")
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return stdout.decode().strip()
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async def run_async(cmd: List[str]):
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print(f"$ {' '.join(cmd)}")
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process = await asyncio.create_subprocess_exec(
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*cmd,
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE,
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)
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stdout, stderr = await process.communicate()
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print(stdout.decode())
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if process.returncode != 0:
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error = stderr.decode()
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raise RuntimeError(f"{cmd[0]} failed: {error}")
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class File:
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def __init__(self, path: str):
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self.path = os.path.join(ROOT, path)
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def __enter__(self):
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with open(self.path, "r") as handle:
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self.text = handle.read()
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return self
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def get_exact_match(self, attr: str, value: str):
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matches = re.findall(
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rf'{re.escape(attr)}\s+=\s+\"?{re.escape(value)}\"?',
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self.text
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)
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n = len(matches)
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if n > 1:
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raise ValueError(f"multiple occurrences found for {attr}={value}")
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elif n == 1:
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return matches.pop()
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else:
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raise ValueError(f"no occurrence found for {attr}={value}")
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def substitute(self, attr: str, old_value: str, new_value: str) -> None:
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old_line = self.get_exact_match(attr, old_value)
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new_line = old_line.replace(old_value, new_value)
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self.text = self.text.replace(old_line, new_line)
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print(f"Substitute `{attr}` value `{old_value}` with `{new_value}`")
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def __exit__(self, exc_type, exc_val, exc_tb):
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with open(self.path, "w") as handle:
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handle.write(self.text)
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class Nurl:
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@classmethod
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async def prefetch(cls, url: str, version: str, *extra_args: str) -> str:
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cmd = [
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"nurl",
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"--hash",
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url,
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version,
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]
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cmd.extend(extra_args)
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return await check_async(cmd)
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class Nix:
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base_cmd: Final = [
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"nix",
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"--show-trace",
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"--extra-experimental-features", "nix-command"
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]
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@classmethod
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async def _run(cls, args: List[str]) -> Optional[str]:
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return await check_async(cls.base_cmd + args)
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@classmethod
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async def eval(cls, expr: str) -> Union[List, Dict, int, float, str, bool]:
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response = await cls._run([
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"eval",
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"-f", f"{ROOT}/default.nix",
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"--json",
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expr
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])
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if response is None:
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raise RuntimeError("Nix eval expression returned no response")
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try:
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return json.loads(response)
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except (TypeError, ValueError):
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raise RuntimeError("Nix eval response could not be parsed from JSON")
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@classmethod
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async def hash_to_sri(cls, algorithm: str, value: str) -> Optional[str]:
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return await cls._run([
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"hash",
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"to-sri",
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"--type", algorithm,
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value
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])
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class HomeAssistant:
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def __init__(self, session: ClientSession):
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self._session = session
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async def get_latest_core_version(
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self,
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owner: str = "home-assistant",
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repo: str = "core"
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) -> str:
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async with self._session.get(
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f"https://api.github.com/repos/{owner}/{repo}/releases/latest"
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) as response:
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document = await response.json()
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try:
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return str(document.get("name"))
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except KeyError:
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raise RuntimeError("No tag name in response document")
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async def get_latest_frontend_version(
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self,
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core_version: str
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) -> str:
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async with self._session.get(
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f"https://raw.githubusercontent.com/home-assistant/core/{core_version}/homeassistant/components/frontend/manifest.json"
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) as response:
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document = await response.json(content_type="text/plain")
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requirements = [
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requirement
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for requirement in document.get("requirements", [])
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if requirement.startswith("home-assistant-frontend==")
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]
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if len(requirements) > 1:
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raise RuntimeError(
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"Found more than one version specifier for the frontend package"
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)
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elif len(requirements) == 1:
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requirement = requirements.pop()
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_, version = requirement.split("==", maxsplit=1)
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return str(version)
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else:
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raise RuntimeError(
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"Found no version specifier for frontend package"
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)
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async def update_core(self, old_version: str, new_version: str) -> None:
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old_sdist_hash = str(await Nix.eval("home-assistant.sdist.outputHash"))
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new_sdist_hash = await Nurl.prefetch("https://pypi.org/project/homeassistant/", new_version)
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print(f"sdist: {old_sdist_hash} -> {new_sdist_hash}")
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old_git_hash = str(await Nix.eval("home-assistant.src.outputHash"))
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new_git_hash = await Nurl.prefetch("https://github.com/home-assistant/core/", new_version)
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print(f"git: {old_git_hash} -> {new_git_hash}")
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with File("pkgs/servers/home-assistant/default.nix") as file:
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file.substitute("hassVersion", old_version, new_version)
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file.substitute("hash", old_sdist_hash, new_sdist_hash)
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file.substitute("hash", old_git_hash, new_git_hash)
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async def update_frontend(self, old_version: str, new_version: str) -> None:
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old_hash = str(await Nix.eval("home-assistant.frontend.src.outputHash"))
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new_hash = await Nurl.prefetch(
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"https://pypi.org/project/home_assistant_frontend/",
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new_version,
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"-A", "format", "wheel",
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"-A", "dist", "py3",
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"-A", "python", "py3"
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)
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print(f"frontend: {old_hash} -> {new_hash}")
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with File("pkgs/servers/home-assistant/frontend.nix") as file:
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file.substitute("version", old_version, new_version)
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file.substitute("hash", old_hash, new_hash)
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async def update_components(self):
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await run_async([
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f"{ROOT}/pkgs/servers/home-assistant/parse-requirements.py"
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])
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async def main():
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headers = {}
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if token := os.environ.get("GITHUB_TOKEN", None):
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headers.update({"GITHUB_TOKEN": token})
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async with aiohttp.ClientSession(headers=headers) as client:
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hass = HomeAssistant(client)
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core_current = str(await Nix.eval("home-assistant.version"))
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core_latest = await hass.get_latest_core_version()
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if Version(core_latest) > Version(core_current):
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print(f"New Home Assistant version {core_latest} is available")
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await hass.update_core(str(core_current), str(core_latest))
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frontend_current = str(await Nix.eval("home-assistant.frontend.version"))
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frontend_latest = await hass.get_latest_frontend_version(str(core_latest))
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if Version(frontend_latest) > Version(frontend_current):
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await hass.update_frontend(str(frontend_current), str(frontend_latest))
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await hass.update_components()
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else:
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print(f"Home Assistant {core_current} is still the latest version.")
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# wait for async client sessions to close
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# https://docs.aiohttp.org/en/stable/client_advanced.html#graceful-shutdown
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await asyncio.sleep(0)
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if __name__ == "__main__":
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run_sync(["pyright", __file__])
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run_sync(["ruff", "--ignore=E501", __file__])
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run_sync(["isort", __file__])
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asyncio.run(main())
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