Files
HeXi/hexi/core/message_utils.py
T
sansenhoshi 131b92b319 结构调整
视频解析多图/多媒体结构 消息体适配
2026-09-08 14:25:32 +08:00

111 lines
3.6 KiB
Python

from nonebot import get_bot
from nonebot import require
from nonebot.adapters.onebot.v11 import Bot, Message, MessageEvent, MessageSegment
from nonebot.log import logger
require("nonebot_plugin_htmlrender")
from nonebot_plugin_htmlrender import md_to_pic
async def send_markdown(
bot: Bot,
event: MessageEvent,
markdown: str,
fallback_text: str | None = None,
) -> None:
"""发送 Markdown
优先尝试 OneBot 后端的原生 markdown 消息段;后端不支持/失败时
自动降级为 htmlrender 把 Markdown 渲染成图片发送,保证任何后端都能看到。
"""
# 1. 尝试原生 markdown 消息段(不同后端字段可能不同,失败自动降级)
try:
seg = MessageSegment("markdown", {"content": markdown})
await bot.send(event=event, message=Message(seg))
return
except Exception as e:
logger.warning(f"原生 markdown 发送失败,尝试降级为图片: {e}")
# 2. 降级:htmlrender 渲染成图片
try:
img = await md_to_pic(md=markdown, width=540, device_scale_factor=4)
await bot.send(event=event, message=MessageSegment.image(img))
except Exception as e:
logger.error(f"Markdown 渲染图片失败,发送纯文本: {e}")
await bot.send(event=event, message=fallback_text or markdown)
async def send_poke(group_id: int | None = None, user_id: int = 0):
"""发送戳一戳(OneBot V11 send_poke API)
group_id 为空时向私聊发送戳一戳;失败返回 None
"""
bot = get_bot()
params = {"user_id": int(user_id)}
if group_id:
params["group_id"] = int(group_id)
logger.debug(f"send_poke: {params}")
try:
return await bot.call_api("send_poke", **params)
except Exception as e:
logger.error(f"send_poke 失败: {e}")
return None
def get_reply_message(event: MessageEvent) -> Message:
"""获取消息内容:若为回复消息则返回被回复的消息,否则返回当前消息"""
if event.reply is not None:
logger.info(f"此条消息为回复消息: {event.reply.message}")
return event.reply.message
logger.info(f"此条消息为普通消息: {event.message}")
return event.message
def build_forward_nodes(
self_id: int,
entries: list[tuple[str, str]],
sender_name: str | None = None,
) -> list[dict]:
"""构造合并转发节点列表
entries: [(发送者名, 消息内容), ...]
sender_name: 非空时所有节点统一使用该昵称(用于把插件名等放进 content,
而不是作为转发节点的发送者昵称)
"""
return [
{
"type": "node",
"data": {
"name": sender_name if sender_name is not None else name,
"uin": str(self_id),
"content": content,
},
}
for name, content in entries
]
async def send_forward_msg(
bot: Bot,
event: MessageEvent,
entries: list[tuple[str, str]],
fallback: str,
sender_name: str | None = None,
):
"""群聊发送合并转发消息,私聊或发送失败时回退纯文本
entries: [(发送者名, 消息内容), ...]
sender_name: 非空时统一用于节点发送者昵称(插件名等应写入 content)
"""
group_id = getattr(event, "group_id", None)
if group_id:
try:
await bot.send_group_forward_msg(
group_id=group_id,
messages=build_forward_nodes(event.self_id, entries, sender_name),
)
return
except Exception as e:
logger.warning(f"合并转发发送失败,回退文本: {e}")
await bot.send(event, fallback)