Backup automatico script del 2026-08-23 12:04
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# -*- coding: utf-8 -*-
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"""Filesystem-backed project context store."""
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import json
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import os
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import re
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import secrets
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from datetime import datetime
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from typing import Optional
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from . import gitea_link
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from ..knowledge import gitea
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SLUG_RE = re.compile(r"^[a-z0-9][a-z0-9-]{0,62}$")
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def _context_root() -> str:
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return os.environ.get("MCP_CONTEXT_ROOT", "/data/context")
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def _user_root(username: str) -> str:
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path = os.path.join(_context_root(), username, "projects")
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os.makedirs(path, exist_ok=True)
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return path
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def _project_dir(username: str, project_id: str) -> str:
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if not SLUG_RE.match(project_id):
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raise ValueError("ID progetto non valido")
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return os.path.join(_user_root(username), project_id)
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def _load_meta(username: str, project_id: str) -> tuple[str, dict]:
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proj_dir = _project_dir(username, project_id)
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meta_path = os.path.join(proj_dir, "meta.json")
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if not os.path.isfile(meta_path):
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raise FileNotFoundError("Progetto non trovato")
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meta = json.load(open(meta_path, encoding="utf-8"))
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return meta_path, meta
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def _save_meta(meta_path: str, meta: dict) -> None:
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meta["updated_at"] = datetime.now().astimezone().isoformat(timespec="seconds")
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with open(meta_path, "w", encoding="utf-8") as f:
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json.dump(meta, f, ensure_ascii=False, indent=2)
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def _apply_gitea_link(
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username: str,
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meta: dict,
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gitea_repo: Optional[str],
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*,
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verify: bool = True,
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seed_from_gitea: bool = False,
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) -> dict:
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repo = gitea_link.normalize_gitea_repo(gitea_repo)
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if verify and repo:
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if not gitea.is_configured(username):
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raise RuntimeError(
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"Gitea non configurato per questo utente — impossibile collegare il repository"
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)
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gitea_link.verify_repo_access(username, repo)
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if repo:
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meta["gitea_repo"] = repo
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else:
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meta.pop("gitea_repo", None)
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if seed_from_gitea and repo:
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proj_dir = _project_dir(username, meta["id"])
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ctx_path = os.path.join(proj_dir, "context.md")
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context_md = open(ctx_path, encoding="utf-8").read() if os.path.isfile(ctx_path) else ""
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new_md, changed = gitea_link.seed_context_from_readme(username, repo, context_md)
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if changed:
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with open(ctx_path, "w", encoding="utf-8") as f:
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f.write(new_md)
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meta["gitea_seeded_at"] = datetime.now().astimezone().isoformat(timespec="seconds")
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return meta
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def list_projects(username: str, include_archived: bool = False) -> list:
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root = _user_root(username)
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projects = []
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if not os.path.isdir(root):
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return projects
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for name in sorted(os.listdir(root)):
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meta_path = os.path.join(root, name, "meta.json")
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if not os.path.isfile(meta_path):
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continue
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meta = json.load(open(meta_path, encoding="utf-8"))
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if meta.get("archived") and not include_archived:
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continue
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projects.append(meta)
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return projects
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def create_project(
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username: str,
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title: str,
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tags: Optional[list[str]] = None,
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gitea_repo: Optional[str] = None,
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seed_from_gitea: bool = False,
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) -> dict:
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slug_base = re.sub(r"[^a-z0-9]+", "-", title.lower()).strip("-") or "progetto"
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project_id = slug_base[:40]
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root = _user_root(username)
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while os.path.exists(os.path.join(root, project_id)):
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project_id = f"{slug_base[:32]}-{secrets.token_hex(2)}"
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proj_dir = _project_dir(username, project_id)
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os.makedirs(os.path.join(proj_dir, "sessions"), exist_ok=True)
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os.makedirs(os.path.join(proj_dir, "artifacts"), exist_ok=True)
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now = datetime.now().astimezone().isoformat(timespec="seconds")
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meta = {
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"id": project_id,
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"title": title.strip(),
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"tags": tags or [],
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"status": "active",
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"archived": False,
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"created_at": now,
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"updated_at": now,
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}
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repo = gitea_link.normalize_gitea_repo(gitea_repo)
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if repo:
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meta["gitea_repo"] = repo
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with open(os.path.join(proj_dir, "meta.json"), "w", encoding="utf-8") as f:
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json.dump(meta, f, ensure_ascii=False, indent=2)
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with open(os.path.join(proj_dir, "context.md"), "w", encoding="utf-8") as f:
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f.write(f"# {title.strip()}\n\n")
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if repo:
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meta = _apply_gitea_link(
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username,
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meta,
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repo,
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verify=True,
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seed_from_gitea=seed_from_gitea,
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)
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_save_meta(os.path.join(proj_dir, "meta.json"), meta)
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return meta
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def link_project_repo(
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username: str,
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project_id: str,
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gitea_repo: Optional[str] = None,
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seed_from_gitea: bool = False,
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) -> dict:
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meta_path, meta = _load_meta(username, project_id)
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meta = _apply_gitea_link(
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username,
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meta,
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gitea_repo,
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verify=bool(gitea_link.normalize_gitea_repo(gitea_repo)),
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seed_from_gitea=seed_from_gitea,
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)
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_save_meta(meta_path, meta)
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return meta
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def get_project_context(
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username: str,
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project_id: str,
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session_limit: int = 5,
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include_gitea: bool = True,
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) -> dict:
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proj_dir = _project_dir(username, project_id)
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meta_path = os.path.join(proj_dir, "meta.json")
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if not os.path.isfile(meta_path):
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raise FileNotFoundError("Progetto non trovato")
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meta = json.load(open(meta_path, encoding="utf-8"))
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ctx_path = os.path.join(proj_dir, "context.md")
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context_md = open(ctx_path, encoding="utf-8").read() if os.path.isfile(ctx_path) else ""
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sessions_dir = os.path.join(proj_dir, "sessions")
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sessions = []
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if os.path.isdir(sessions_dir):
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files = sorted(os.listdir(sessions_dir), reverse=True)[:session_limit]
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for fname in files:
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path = os.path.join(sessions_dir, fname)
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if os.path.isfile(path):
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sessions.append({"name": fname, "content": open(path, encoding="utf-8").read()})
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result = {"meta": meta, "context_md": context_md, "recent_sessions": sessions}
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gitea_repo = meta.get("gitea_repo")
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if include_gitea and gitea_repo:
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result["gitea"] = gitea_link.project_enrichment(username, gitea_repo)
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return result
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def save_context(username: str, project_id: str, content: str, mode: str = "append") -> dict:
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proj_dir = _project_dir(username, project_id)
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meta_path = os.path.join(proj_dir, "meta.json")
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if not os.path.isfile(meta_path):
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raise FileNotFoundError("Progetto non trovato")
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ctx_path = os.path.join(proj_dir, "context.md")
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if mode == "replace":
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text = content
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else:
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existing = open(ctx_path, encoding="utf-8").read() if os.path.isfile(ctx_path) else ""
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text = existing.rstrip() + "\n\n" + content.strip() + "\n"
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with open(ctx_path, "w", encoding="utf-8") as f:
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f.write(text)
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meta = json.load(open(meta_path, encoding="utf-8"))
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_save_meta(meta_path, meta)
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snapshot = datetime.now().strftime("%Y%m%d-%H%M%S") + ".md"
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with open(os.path.join(proj_dir, "sessions", snapshot), "w", encoding="utf-8") as f:
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f.write(content)
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return meta
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def archive_project(username: str, project_id: str, archived: bool = True) -> dict:
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meta_path, meta = _load_meta(username, project_id)
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meta["archived"] = archived
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meta["status"] = "archived" if archived else "active"
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_save_meta(meta_path, meta)
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return meta
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def list_resources(username: str) -> list:
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resources = []
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for meta in list_projects(username, include_archived=False):
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desc = f"Contesto progetto {meta['id']}"
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if meta.get("gitea_repo"):
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desc += f" (Gitea: {meta['gitea_repo']})"
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resources.append(
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{
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"uri": f"loogle://context/{username}/{meta['id']}",
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"name": meta["title"],
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"description": desc,
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"mimeType": "text/markdown",
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}
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)
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return resources
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def read_resource(username: str, uri: str) -> dict:
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prefix = f"loogle://context/{username}/"
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if not uri.startswith(prefix):
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raise FileNotFoundError("Risorsa non trovata")
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project_id = uri[len(prefix):]
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data = get_project_context(username, project_id, session_limit=0, include_gitea=False)
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text = data["context_md"]
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gitea_repo = data["meta"].get("gitea_repo")
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if gitea_repo:
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text = f"<!-- gitea_repo: {gitea_repo} -->\n\n" + text
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return {
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"uri": uri,
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"mimeType": "text/markdown",
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"text": text,
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}
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