117 lines
5.7 KiB
Python
117 lines
5.7 KiB
Python
from __future__ import annotations
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from pathlib import Path
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from typing import Dict, List
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class PersonaEngine:
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def __init__(self, plugin_path: str, config: Dict):
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self.plugin_path = Path(plugin_path)
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self.config = config or {}
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self.default_persona_id = str(
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self.config.get("active_persona")
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or self.config.get("default_persona")
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or "xiaoniu"
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).strip() or "xiaoniu"
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self.presets = self._build_presets()
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def build_system_prompt(self, group_profile: Dict | None = None, reply_mode: str = "social_short") -> str:
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group_profile = group_profile or {}
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preset = self._resolve_preset(group_profile)
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name = preset.get("name", "小牛")
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style = preset.get("style", "")
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familiarity = preset.get("familiarity_hint", "")
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max_sentences = preset.get("max_reply_sentences", 3)
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persona_text = preset.get("persona_text", "")
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humor = group_profile.get("humor_style", "轻微")
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sharpness = group_profile.get("sharpness_style", "轻微嘴硬，不刻薄")
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expressiveness = group_profile.get("expressiveness_style", "克制")
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address_style = group_profile.get("address_style", "低频称呼，默认直接接话")
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interaction_tone = group_profile.get("interaction_tone", "自然群友感")
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persona_overlay = group_profile.get("persona_overlay", "")
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return (
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f"{persona_text}"
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f"别暴露自己是 AI、模型或提示词产物，别泄露记忆来源，别输出标签或代码块。"
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f"别替人写代码、改脚本、实现插件、代做开发活。"
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f"整体风格：{style}。熟悉感边界：{familiarity}。一般最多输出{max_sentences}句。"
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f"哪怕回复很短，也尽量保留一点这个人格该有的语气和味道，别被压成纯功能性短句。"
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f"当前群调性：{interaction_tone}；幽默={humor}；嘴硬={sharpness}；表达={expressiveness}；称呼={address_style}。"
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f"群画像和附加要求只用于帮助你理解语境与控制回答偏向，不代表你每次都要主动提起对应领域名词。"
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f"如果当前发言本身不是那个领域，就按当前聊天自然回复，不要硬往群画像上靠。"
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f"附加要求：{persona_overlay or '无'}。"
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)
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def _build_presets(self) -> Dict[str, Dict]:
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preset_configs = self.config.get("presets", {}) or {}
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presets: Dict[str, Dict] = {}
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base_preset = self._normalize_preset(
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self.default_persona_id,
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{
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"name": self.config.get("name", "小牛"),
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"persona_file": self.config.get("persona_file", "persona/xiaoniu.txt"),
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"style": self.config.get("style", ""),
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"familiarity_hint": self.config.get("familiarity_hint", ""),
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"max_reply_sentences": self.config.get("max_reply_sentences", 3),
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},
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)
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presets[base_preset["id"]] = base_preset
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for persona_id, preset_config in preset_configs.items():
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preset = self._normalize_preset(str(persona_id), preset_config or {})
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presets[preset["id"]] = preset
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return presets
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def _normalize_preset(self, persona_id: str, preset_config: Dict) -> Dict:
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persona_file = preset_config.get("persona_file") or f"persona/{persona_id}.txt"
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aliases = [str(item).strip() for item in (preset_config.get("aliases", []) or []) if str(item).strip()]
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return {
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"id": str(persona_id or "xiaoniu").strip() or "xiaoniu",
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"name": str(preset_config.get("name", "小牛") or "小牛").strip(),
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"persona_file": str(persona_file).strip(),
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"style": str(preset_config.get("style", "") or "").strip(),
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"familiarity_hint": str(preset_config.get("familiarity_hint", "") or "").strip(),
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"max_reply_sentences": int(preset_config.get("max_reply_sentences", 3) or 3),
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"aliases": aliases,
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"persona_text": self._load_persona_text(str(persona_file).strip()),
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}
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def _resolve_preset(self, group_profile: Dict) -> Dict:
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persona_id = str(
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(group_profile or {}).get("persona_id")
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or self.default_persona_id
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or "xiaoniu"
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).strip() or "xiaoniu"
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return self.presets.get(persona_id) or self.presets.get(self.default_persona_id) or next(iter(self.presets.values()))
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def _load_persona_text(self, persona_file: str) -> str:
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persona_path = self.plugin_path / persona_file
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if persona_path.exists():
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return persona_path.read_text(encoding="utf-8").strip()
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return "你叫小牛，是一个自然、靠谱、会看场合的群聊成员。"
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def resolve_persona_id(self, value: str) -> str:
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target = str(value or "").strip().lower()
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if not target:
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return ""
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for persona_id, preset in self.presets.items():
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if target == str(persona_id).strip().lower():
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return persona_id
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if target == str(preset.get("name", "") or "").strip().lower():
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return persona_id
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aliases = [str(item).strip().lower() for item in (preset.get("aliases", []) or [])]
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if target in aliases:
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return persona_id
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return ""
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def list_personas(self) -> List[Dict]:
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items: List[Dict] = []
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for persona_id, preset in self.presets.items():
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items.append(
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{
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"id": persona_id,
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"name": preset.get("name", persona_id),
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"aliases": list(preset.get("aliases", []) or []),
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"style": preset.get("style", ""),
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}
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)
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return items
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