90 lines
1.9 KiB
Python
90 lines
1.9 KiB
Python
from __future__ import annotations
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import argparse
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import json
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import os
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import re
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import shutil
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import subprocess
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import sys
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import tempfile
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from collections.abc import Callable, Sequence
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from dataclasses import asdict, dataclass
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from pathlib import Path
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from typing import Any
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from urllib.parse import urlsplit, urlunsplit
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MIN_PYTHON = (3, 12)
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DEFAULT_ENV_NAME = "nb-mcp"
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SERVER_NAME = "nocobase-crm"
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REQUIRED_PROJECT_FILES = ("pyproject.toml", "uv.lock", "config.example.json")
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ENV_NAME_PATTERN = re.compile(r"^[A-Za-z0-9][A-Za-z0-9._-]{0,63}$")
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ANSI_ESCAPE_PATTERN = re.compile(r"\x1b\[[0-?]*[ -/]*[@-~]")
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Which = Callable[[str], str | None]
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Runner = Callable[..., subprocess.CompletedProcess[str]]
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class InstallerError(RuntimeError):
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"""Raised when a deterministic installation step cannot finish safely."""
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@dataclass(frozen=True)
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class Check:
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name: str
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ok: bool
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required: bool
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detail: str
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def _project_root(path: str | Path | None) -> Path:
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candidate = Path(path) if path is not None else Path(__file__).resolve().parent.parent
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return candidate.expanduser().resolve()
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def _load_json_object(path: Path) -> dict[str, Any]:
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try:
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value = json.loads(path.read_text(encoding="utf-8"))
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except (OSError, json.JSONDecodeError) as error:
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raise InstallerError(f"Could not read valid JSON from {path}: {error}") from error
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if not isinstance(value, dict):
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raise InstallerError(f"Expected a JSON object in {path}")
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return value
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__all__ = [
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"ANSI_ESCAPE_PATTERN",
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"Any",
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"Callable",
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"Check",
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"DEFAULT_ENV_NAME",
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"ENV_NAME_PATTERN",
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"InstallerError",
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"MIN_PYTHON",
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"Path",
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"REQUIRED_PROJECT_FILES",
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"Runner",
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"SERVER_NAME",
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"Sequence",
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"Which",
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"_load_json_object",
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"_project_root",
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"argparse",
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"asdict",
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"json",
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"os",
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"re",
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"shutil",
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"subprocess",
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"sys",
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"tempfile",
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"urlsplit",
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"urlunsplit",
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]
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