Files
loogle-scripts/services/loogle-mcp/app/context/store.py
T

253 lines
8.3 KiB
Python

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