mirror of
https://github.com/suyiiyii/nonebot-bison.git
synced 2025-06-04 02:26:11 +08:00
72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
from io import BytesIO
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from pathlib import Path
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from typing import TYPE_CHECKING, Literal
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from nonebot_plugin_saa import Text, Image, MessageSegmentFactory
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from nonebot_bison.theme import Theme, ThemeRenderError
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from nonebot_bison.utils import pic_merge, is_pics_mergable
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if TYPE_CHECKING:
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from nonebot_bison.post import Post
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class Ht2iTheme(Theme):
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"""使用浏览器将文本渲染为图片
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HTML render Text To Image.
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需要安装`nonebot_plugin_htmlrender`插件
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"""
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name: Literal["ht2i"] = "ht2i"
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need_browser: bool = True
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async def _text_render(self, text: str):
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from nonebot_plugin_htmlrender import md_to_pic
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try:
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return Image(await md_to_pic(text, width=400))
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except Exception as e:
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raise ThemeRenderError(f"渲染文本失败: {e}")
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async def render(self, post: "Post"):
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md_text = ""
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md_text += f"## {post.title}\n\n" if post.title else ""
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md_text += post.content if len(post.content) < 500 else f"{post.content[:500]}..."
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md_text += "\n\n"
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if rp := post.repost:
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md_text += f"> 转发自 {f'**{rp.nickname}**' if rp.nickname else ''}: \n"
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md_text += f"> {rp.title} \n" if rp.title else ""
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md_text += "> \n> " + rp.content if len(rp.content) < 500 else f"{rp.content[:500]}..." + " \n"
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md_text += "\n\n"
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md_text += f"###### 来源: {post.platform.name} {post.nickname or ''}\n"
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msgs: list[MessageSegmentFactory] = [await self._text_render(md_text)]
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urls: list[str] = []
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if rp and rp.url:
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urls.append(f"转发详情: {rp.url}")
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if post.url:
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urls.append(f"详情: {post.url}")
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if urls:
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msgs.append(Text("\n".join(urls)))
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pics_group: list[list[str | bytes | Path | BytesIO]] = []
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if post.images:
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pics_group.append(post.images)
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if rp and rp.images:
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pics_group.append(rp.images)
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client = await post.platform.ctx.get_client_for_static()
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for pics in pics_group:
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if is_pics_mergable(pics):
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pics = await pic_merge(list(pics), client)
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msgs.extend(map(Image, pics))
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return msgs
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