zhenxun_bot/zhenxun/services/renderer/engine.py

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from pathlib import Path
from nonebot_plugin_htmlrender import html_to_pic
from .protocols import ScreenshotEngine
class PlaywrightEngine(ScreenshotEngine):
"""使用 nonebot-plugin-htmlrender 实现的截图引擎。"""
async def render(self, html: str, base_url_path: Path, **render_options) -> bytes:
base_url_for_browser = base_url_path.absolute().as_uri()
if not base_url_for_browser.endswith("/"):
base_url_for_browser += "/"
final_render_options = {
"viewport": {"width": 800, "height": 10},
**render_options,
"base_url": base_url_for_browser,
}
return await html_to_pic(
html=html,
template_path=base_url_for_browser,
**final_render_options,
)
def get_screenshot_engine() -> ScreenshotEngine:
"""
截图引擎工厂函数
目前只返回 PlaywrightEngine, 未来可以根据配置返回不同的引擎
"""
return PlaywrightEngine()