mirror of
https://github.com/zhenxun-org/zhenxun_bot.git
synced 2025-12-15 06:12:53 +08:00
509 lines
18 KiB
Python
509 lines
18 KiB
Python
import time
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import asyncio
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from pathlib import Path
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from typing import Any, Literal, ClassVar
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from collections.abc import AsyncGenerator
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from contextlib import asynccontextmanager
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from asyncio.exceptions import TimeoutError
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import rich
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import httpx
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import aiofiles
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from retrying import retry
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from playwright.async_api import Page
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from nonebot_plugin_alconna import UniMessage
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from nonebot_plugin_htmlrender import get_browser
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from httpx import Response, ConnectTimeout, HTTPStatusError
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from zhenxun.services.log import logger
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from zhenxun.configs.config import BotConfig
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from zhenxun.utils.message import MessageUtils
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from zhenxun.utils.user_agent import get_user_agent
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# from .browser import get_browser
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class AsyncHttpx:
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proxy: ClassVar[dict[str, str | None]] = {
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"http://": BotConfig.system_proxy,
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"https://": BotConfig.system_proxy,
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}
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@classmethod
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@retry(stop_max_attempt_number=3)
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async def get(
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cls,
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url: str | list[str],
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*,
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params: dict[str, Any] | None = None,
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headers: dict[str, str] | None = None,
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cookies: dict[str, str] | None = None,
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verify: bool = True,
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use_proxy: bool = True,
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proxy: dict[str, str] | None = None,
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timeout: int = 30,
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**kwargs,
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) -> Response:
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"""Get
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参数:
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url: url
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params: params
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headers: 请求头
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cookies: cookies
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verify: verify
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use_proxy: 使用默认代理
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proxy: 指定代理
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timeout: 超时时间
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"""
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urls = [url] if isinstance(url, str) else url
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return await cls._get_first_successful(
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urls,
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params=params,
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headers=headers,
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cookies=cookies,
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verify=verify,
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use_proxy=use_proxy,
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proxy=proxy,
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timeout=timeout,
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**kwargs,
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)
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@classmethod
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async def _get_first_successful(
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cls,
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urls: list[str],
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**kwargs,
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) -> Response:
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last_exception = None
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for url in urls:
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try:
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return await cls._get_single(url, **kwargs)
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except Exception as e:
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last_exception = e
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if url != urls[-1]:
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logger.warning(f"获取 {url} 失败, 尝试下一个")
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raise last_exception or Exception("All URLs failed")
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@classmethod
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async def _get_single(
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cls,
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url: str,
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*,
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params: dict[str, Any] | None = None,
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headers: dict[str, str] | None = None,
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cookies: dict[str, str] | None = None,
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verify: bool = True,
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use_proxy: bool = True,
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proxy: dict[str, str] | None = None,
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timeout: int = 30,
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**kwargs,
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) -> Response:
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if not headers:
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headers = get_user_agent()
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_proxy = proxy if proxy else cls.proxy if use_proxy else None
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async with httpx.AsyncClient(proxies=_proxy, verify=verify) as client: # type: ignore
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return await client.get(
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url,
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params=params,
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headers=headers,
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cookies=cookies,
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timeout=timeout,
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**kwargs,
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)
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@classmethod
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async def head(
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cls,
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url: str,
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*,
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params: dict[str, Any] | None = None,
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headers: dict[str, str] | None = None,
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cookies: dict[str, str] | None = None,
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verify: bool = True,
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use_proxy: bool = True,
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proxy: dict[str, str] | None = None,
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timeout: int = 30,
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**kwargs,
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) -> Response:
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"""Get
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参数:
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url: url
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params: params
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headers: 请求头
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cookies: cookies
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verify: verify
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use_proxy: 使用默认代理
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proxy: 指定代理
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timeout: 超时时间
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"""
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if not headers:
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headers = get_user_agent()
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_proxy = proxy if proxy else cls.proxy if use_proxy else None
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async with httpx.AsyncClient(proxies=_proxy, verify=verify) as client: # type: ignore
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return await client.head(
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url,
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params=params,
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headers=headers,
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cookies=cookies,
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timeout=timeout,
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**kwargs,
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)
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@classmethod
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async def post(
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cls,
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url: str,
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*,
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data: dict[str, Any] | None = None,
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content: Any = None,
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files: Any = None,
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verify: bool = True,
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use_proxy: bool = True,
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proxy: dict[str, str] | None = None,
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json: dict[str, Any] | None = None,
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params: dict[str, str] | None = None,
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headers: dict[str, str] | None = None,
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cookies: dict[str, str] | None = None,
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timeout: int = 30,
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**kwargs,
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) -> Response:
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"""
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说明:
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Post
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参数:
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url: url
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data: data
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content: content
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files: files
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use_proxy: 是否默认代理
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proxy: 指定代理
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json: json
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params: params
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headers: 请求头
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cookies: cookies
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timeout: 超时时间
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"""
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if not headers:
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headers = get_user_agent()
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_proxy = proxy if proxy else cls.proxy if use_proxy else None
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async with httpx.AsyncClient(proxies=_proxy, verify=verify) as client: # type: ignore
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return await client.post(
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url,
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content=content,
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data=data,
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files=files,
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json=json,
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params=params,
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headers=headers,
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cookies=cookies,
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timeout=timeout,
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**kwargs,
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)
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@classmethod
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async def download_file(
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cls,
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url: str | list[str],
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path: str | Path,
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*,
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params: dict[str, str] | None = None,
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verify: bool = True,
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use_proxy: bool = True,
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proxy: dict[str, str] | None = None,
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headers: dict[str, str] | None = None,
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cookies: dict[str, str] | None = None,
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timeout: int = 30,
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stream: bool = False,
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follow_redirects: bool = True,
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**kwargs,
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) -> bool:
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"""下载文件
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参数:
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url: url
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path: 存储路径
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params: params
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verify: verify
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use_proxy: 使用代理
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proxy: 指定代理
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headers: 请求头
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cookies: cookies
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timeout: 超时时间
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stream: 是否使用流式下载（流式写入+进度条，适用于下载大文件）
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"""
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if isinstance(path, str):
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path = Path(path)
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path.parent.mkdir(parents=True, exist_ok=True)
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try:
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for _ in range(3):
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if not isinstance(url, list):
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url = [url]
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for u in url:
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try:
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if not stream:
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response = await cls.get(
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u,
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params=params,
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headers=headers,
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cookies=cookies,
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use_proxy=use_proxy,
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proxy=proxy,
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timeout=timeout,
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follow_redirects=follow_redirects,
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**kwargs,
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)
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response.raise_for_status()
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content = response.content
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async with aiofiles.open(path, "wb") as wf:
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await wf.write(content)
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logger.info(f"下载 {u} 成功.. Path：{path.absolute()}")
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return True
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else:
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if not headers:
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headers = get_user_agent()
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_proxy = (
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proxy if proxy else cls.proxy if use_proxy else None
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)
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async with httpx.AsyncClient(
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proxies=_proxy, # type: ignore
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verify=verify,
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) as client:
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async with client.stream(
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"GET",
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u,
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params=params,
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headers=headers,
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cookies=cookies,
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timeout=timeout,
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follow_redirects=True,
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**kwargs,
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) as response:
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response.raise_for_status()
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logger.info(
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f"开始下载 {path.name}.. "
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f"Path: {path.absolute()}"
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)
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async with aiofiles.open(path, "wb") as wf:
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total = int(
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response.headers.get("Content-Length", 0)
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)
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with rich.progress.Progress( # type: ignore
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rich.progress.TextColumn(path.name), # type: ignore
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"[progress.percentage]{task.percentage:>3.0f}%", # type: ignore
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rich.progress.BarColumn(bar_width=None), # type: ignore
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rich.progress.DownloadColumn(), # type: ignore
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rich.progress.TransferSpeedColumn(), # type: ignore
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) as progress:
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download_task = progress.add_task(
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"Download",
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total=total if total else None,
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)
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async for chunk in response.aiter_bytes():
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await wf.write(chunk)
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await wf.flush()
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progress.update(
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download_task,
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completed=response.num_bytes_downloaded,
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)
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logger.info(
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f"下载 {u} 成功.. "
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f"Path：{path.absolute()}"
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)
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return True
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except (TimeoutError, ConnectTimeout, HTTPStatusError):
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logger.warning(f"下载 {u} 失败.. 尝试下一个地址..")
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else:
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logger.error(f"下载 {url} 下载超时.. Path：{path.absolute()}")
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except Exception as e:
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logger.error(f"下载 {url} 错误 Path：{path.absolute()}", e=e)
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return False
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@classmethod
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async def gather_download_file(
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cls,
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url_list: list[str] | list[list[str]],
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path_list: list[str | Path],
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*,
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limit_async_number: int | None = None,
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params: dict[str, str] | None = None,
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use_proxy: bool = True,
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proxy: dict[str, str] | None = None,
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headers: dict[str, str] | None = None,
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cookies: dict[str, str] | None = None,
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timeout: int = 30,
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**kwargs,
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) -> list[bool]:
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"""分组同时下载文件
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参数:
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url_list: url列表
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path_list: 存储路径列表
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limit_async_number: 限制同时请求数量
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params: params
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use_proxy: 使用代理
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proxy: 指定代理
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headers: 请求头
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cookies: cookies
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timeout: 超时时间
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"""
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if n := len(url_list) != len(path_list):
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raise UrlPathNumberNotEqual(
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f"Url数量与Path数量不对等，Url：{len(url_list)}，Path：{len(path_list)}"
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)
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if limit_async_number and n > limit_async_number:
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m = float(n) / limit_async_number
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x = 0
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j = limit_async_number
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_split_url_list = []
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_split_path_list = []
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for _ in range(int(m)):
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_split_url_list.append(url_list[x:j])
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_split_path_list.append(path_list[x:j])
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x += limit_async_number
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j += limit_async_number
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if int(m) < m:
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_split_url_list.append(url_list[j:])
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_split_path_list.append(path_list[j:])
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else:
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_split_url_list = [url_list]
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_split_path_list = [path_list]
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tasks = []
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result_ = []
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for x, y in zip(_split_url_list, _split_path_list):
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for url, path in zip(x, y):
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tasks.append(
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asyncio.create_task(
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cls.download_file(
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url,
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path,
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params=params,
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headers=headers,
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cookies=cookies,
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use_proxy=use_proxy,
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timeout=timeout,
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proxy=proxy,
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**kwargs,
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)
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)
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)
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_x = await asyncio.gather(*tasks)
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result_ = result_ + list(_x)
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tasks.clear()
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return result_
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@classmethod
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async def get_fastest_mirror(cls, url_list: list[str]) -> list[str]:
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assert url_list
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async def head_mirror(client: type[AsyncHttpx], url: str) -> dict[str, Any]:
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begin_time = time.time()
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response = await client.head(url=url, timeout=6)
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elapsed_time = (time.time() - begin_time) * 1000
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content_length = int(response.headers.get("content-length", 0))
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return {
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"url": url,
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"elapsed_time": elapsed_time,
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"content_length": content_length,
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}
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logger.debug(f"开始获取最快镜像，可能需要一段时间... | URL列表：{url_list}")
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results = await asyncio.gather(
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*(head_mirror(cls, url) for url in url_list),
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return_exceptions=True,
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)
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_results: list[dict[str, Any]] = []
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for result in results:
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if isinstance(result, BaseException):
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logger.warning(f"获取镜像失败，错误：{result}")
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else:
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logger.debug(f"获取镜像成功，结果：{result}")
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_results.append(result)
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_results = sorted(iter(_results), key=lambda r: r["elapsed_time"])
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return [result["url"] for result in _results]
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class AsyncPlaywright:
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@classmethod
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@asynccontextmanager
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async def new_page(cls, **kwargs) -> AsyncGenerator[Page, None]:
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"""获取一个新页面
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参数:
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user_agent: 请求头
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"""
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browser = await get_browser()
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ctx = await browser.new_context(**kwargs)
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page = await ctx.new_page()
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try:
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yield page
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finally:
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await page.close()
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await ctx.close()
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@classmethod
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async def screenshot(
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cls,
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url: str,
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path: Path | str,
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element: str | list[str],
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*,
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wait_time: int | None = None,
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viewport_size: dict[str, int] | None = None,
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wait_until: (
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Literal["domcontentloaded", "load", "networkidle"] | None
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) = "networkidle",
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timeout: float | None = None,
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type_: Literal["jpeg", "png"] | None = None,
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user_agent: str | None = None,
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**kwargs,
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) -> UniMessage | None:
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"""截图，该方法仅用于简单快捷截图，复杂截图请操作 page
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参数:
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url: 网址
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path: 存储路径
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element: 元素选择
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wait_time: 等待截取超时时间
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viewport_size: 窗口大小
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wait_until: 等待类型
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timeout: 超时限制
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type_: 保存类型
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"""
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if viewport_size is None:
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viewport_size = {"width": 2560, "height": 1080}
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if isinstance(path, str):
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path = Path(path)
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wait_time = wait_time * 1000 if wait_time else None
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if isinstance(element, str):
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element_list = [element]
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else:
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element_list = element
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async with cls.new_page(
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viewport=viewport_size,
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user_agent=user_agent,
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**kwargs,
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) as page:
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await page.goto(url, timeout=timeout, wait_until=wait_until)
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card = page
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for e in element_list:
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if not card:
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return None
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card = await card.wait_for_selector(e, timeout=wait_time)
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if card:
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await card.screenshot(path=path, timeout=timeout, type=type_)
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return MessageUtils.build_message(path)
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return None
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class UrlPathNumberNotEqual(Exception):
|
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pass
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class BrowserIsNone(Exception):
|
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pass
|