53 lines
1.9 KiB
Python
53 lines
1.9 KiB
Python
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#!/usr/bin/env python3
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"""Check whether the current Python can run Nexus backend tests.
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Nexus production images currently use Python 3.12. The pinned backend
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requirements include native wheels (notably pydantic-core) that are not
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compatible with Python 3.14 in this snapshot. Run this before installing
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requirements or invoking pytest on a new machine.
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"""
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from __future__ import annotations
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import importlib.util
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import platform
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import sys
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from pathlib import Path
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SUPPORTED_MIN = (3, 12)
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SUPPORTED_MAX_EXCLUSIVE = (3, 14)
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REQUIRED_MODULES = ("pytest", "sqlalchemy", "pydantic", "fastapi")
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def main() -> int:
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version = sys.version_info[:3]
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executable = Path(sys.executable)
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print(f"Python executable: {executable}")
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print(f"Python version: {platform.python_version()}")
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if version < SUPPORTED_MIN or version >= SUPPORTED_MAX_EXCLUSIVE:
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print(
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"ERROR: Nexus backend tests should be run with Python 3.12 or 3.13. "
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"Python 3.14 is currently incompatible with pinned pydantic-core/PyO3 dependencies.",
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file=sys.stderr,
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)
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print("Recommended:", file=sys.stderr)
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print(" py -3.12 -m venv .venv-py312", file=sys.stderr)
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print(" .venv-py312\\Scripts\\python.exe -m pip install -r requirements.txt -r requirements-dev.txt", file=sys.stderr)
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print(" .venv-py312\\Scripts\\python.exe -m pytest tests/test_btpanel_*.py -q", file=sys.stderr)
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return 2
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missing = [name for name in REQUIRED_MODULES if importlib.util.find_spec(name) is None]
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if missing:
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print("ERROR: Missing backend test dependencies: " + ", ".join(missing), file=sys.stderr)
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print("Install with:", file=sys.stderr)
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print(" python -m pip install -r requirements.txt -r requirements-dev.txt", file=sys.stderr)
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return 3
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print("OK: Python version and key backend test dependencies look usable.")
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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