"""Workspace skill 读取与 /api/skills 接口。""" from __future__ import annotations from server.tasks import tasks_bp import re from pathlib import Path from typing import Dict, Any, List from flask import request, jsonify from flask import session from server.auth_helpers import api_login_required, get_current_username from server.context import get_user_resources from server.utils_common import debug_log from config import WORKSPACE_SKILLS_DIRNAME SKILL_FRONTMATTER_RE = re.compile(r"^---\s*\n(?P.*?)\n---\s*\n?", re.S) SKILL_FIELD_RE = re.compile(r"^(?Pname|description)\s*:\s*(?P.*)$") def _parse_skill_metadata(content: str, fallback_name: str) -> Dict[str, str]: metadata = {"name": fallback_name, "description": ""} match = SKILL_FRONTMATTER_RE.match(content or "") if not match: return metadata for raw_line in match.group("body").splitlines(): field = SKILL_FIELD_RE.match(raw_line.strip()) if not field: continue key = field.group("key") value = field.group("value").strip().strip('"').strip("'") metadata[key] = value metadata["name"] = metadata.get("name") or fallback_name return metadata def _workspace_skills_dir(workspace) -> Path: return (Path(workspace.project_path).expanduser().resolve() / WORKSPACE_SKILLS_DIRNAME).resolve() def _resolve_workspace_skill_path(workspace, raw_path: str) -> Path: try: skills_dir = _workspace_skills_dir(workspace) except Exception as exc: debug_log(f"[SkillsAPI] resolve skill cannot compute skills_dir: {exc}") raise ValueError(f"无法定位工作区 skills 目录: {exc}") from exc debug_log(f"[SkillsAPI] resolve skill skills_dir={skills_dir!r} raw_path={raw_path!r}") try: target = Path(str(raw_path or "")).expanduser() if not target.is_absolute(): target = Path(workspace.project_path).expanduser().resolve() / target target = target.resolve() except Exception as exc: debug_log(f"[SkillsAPI] resolve skill cannot resolve path: {exc}") raise ValueError(f"skill 路径解析失败: {exc}") from exc debug_log(f"[SkillsAPI] resolve skill resolved_target={target!r} name={target.name!r}") if target.name != "SKILL.md": raise ValueError(f"skill 路径必须指向 SKILL.md: {target.name}") try: target.relative_to(skills_dir) except ValueError as exc: debug_log(f"[SkillsAPI] resolve skill path outside skills_dir: target={target!r} skills_dir={skills_dir!r}") raise ValueError("skill 路径必须位于当前工作区 .astrion/skills/ 内") from exc if not target.is_file(): debug_log(f"[SkillsAPI] resolve skill file not found: {target!r}") raise ValueError("skill 文件不存在") return target def _list_workspace_skills(workspace) -> List[Dict[str, str]]: skills_dir = _workspace_skills_dir(workspace) if not skills_dir.is_dir(): return [] result: List[Dict[str, str]] = [] for skill_file in sorted(skills_dir.glob("*/SKILL.md"), key=lambda p: p.parent.name.lower()): try: content = skill_file.read_text(encoding="utf-8") except Exception: continue metadata = _parse_skill_metadata(content, skill_file.parent.name) result.append({ "name": metadata.get("name") or skill_file.parent.name, "description": metadata.get("description") or "", "path": str(skill_file.resolve()), }) return result def _build_skill_context_messages(workspace, raw_refs: Any) -> List[Dict[str, str]]: if not isinstance(raw_refs, list): debug_log(f"[SkillsAPI] build_skill_context raw_refs is not list: {type(raw_refs).__name__}") return [] messages: List[Dict[str, str]] = [] seen_paths = set() for idx, item in enumerate(raw_refs[:10]): if not isinstance(item, dict): debug_log(f"[SkillsAPI] build_skill_context item[{idx}] not dict: {item!r}") continue raw_path = str(item.get("path") or "").strip() debug_log(f"[SkillsAPI] build_skill_context item[{idx}] raw_path={raw_path!r} name={item.get('name')!r}") if not raw_path: continue skill_file = _resolve_workspace_skill_path(workspace, raw_path) path_key = str(skill_file) if path_key in seen_paths: debug_log(f"[SkillsAPI] build_skill_context duplicate path skipped: {path_key}") continue seen_paths.add(path_key) try: content = skill_file.read_text(encoding="utf-8") except UnicodeDecodeError as exc: raise ValueError(f"skill 文件编码错误，无法读取: {skill_file.name}") from exc except OSError as exc: raise ValueError(f"读取 skill 文件失败: {exc}") from exc metadata = _parse_skill_metadata(content, skill_file.parent.name) messages.append({ "name": metadata.get("name") or skill_file.parent.name, "path": path_key, "content": content, }) return messages @tasks_bp.route("/api/skills", methods=["GET"]) @api_login_required def list_skills_api(): username = get_current_username() workspace_id = session.get("workspace_id") or "default" try: _terminal, workspace = get_user_resources(username, workspace_id) if not workspace: return jsonify({"success": False, "error": "工作区不可用"}), 400 return jsonify({ "success": True, "skills": _list_workspace_skills(workspace), }) except Exception as exc: debug_log(f"[SkillsAPI] 列出技能失败: {exc}") return jsonify({"success": False, "error": str(exc)}), 500