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适用于 Graia 的 Playwright 管理器

Project description

GraiaX Playwright

适用于 Graia Project 的 Playwright 管理器

Code style: black Imports: isort License pdm-managed PyPI

Graiax Playwright 使用 launart 作为启动管理器, 适用于 AriadneAvilla

以 Ariadne 为例,通过 GraiaX Playwright 你可以轻松地在 Ariadne 启动的时候同时启动一个 Playwright,并在其退出的时候自动关闭 Playwright。

需要注意的是,Playwright 将会在运行期间保持后台常驻,
但由于并未开启任何页面,其内存占用量不是非常大(但也是可观的)。

安装

pdm add graiax-playwrightpoetry add graiax-playwright

我们强烈建议使用包管理器或虚拟环境

开始使用

以下示例以 Ariadne 为例。

机器人入口文件

from graia.ariadne.app import Ariadne
from graiax.playwright import PlaywrightService

app = Ariadne(...)
app.launch_manager.add_service(PlaywrightService("chromium")) # 默认值为 chromium
app.launch_manager.add_service(PlaywrightService(user_data_dir="./browser_data"))  # 与上一行二选一,使用 Persistent Context
...

Ariadne.launch_blocking()

配合 Graia Saya 使用

from graia.ariadne.app import Ariadne
from graia.ariadne.util.saya import listen
from graiax.playwright import PlaywrightBrowser

# 此处代码为没有使用 Persistent Context 的示例
# 若使用 Persistent Context 请使用 `context = app.launch_manager.get_interface(PlaywrightContext)`
# 该方法获得的对象与 playwright.async_api.BrowserContext 兼容


@listen(...)
async def function(app: Ariadne):
    browser = app.launch_manager.get_interface(PlaywrightBrowser)
    # 此处的 browser 之用法与 playwright.async_api.Browser 无异,但要注意的是下方代码的返回值为 False。
    # `isinstance(browser, playwright.async_api.Browser)`
    async with browser.page(  # 此 API 启用了自动上下文管理
        viewport={"width": 800, "height": 10},
        device_scale_factor=1.5,
    ) as page:
        await page.set_content("Hello World!")
        img = await page.screenshot(type="jpeg", quality=80, full_page=True, scale="device")
    ...

许可证

本项目使用 MIT 许可证进行许可。

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