File size: 2,668 Bytes
8d6541a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | """install.sh reuses an already-installed supported Python instead of downloading 3.11 (#10778)."""
from __future__ import annotations
import os
import shutil
import stat
import subprocess
from pathlib import Path
import pytest
REPO_ROOT = Path(__file__).resolve().parent.parent.parent.parent
INSTALL_SH = REPO_ROOT / "scripts" / "install.sh"
def _exe(path: Path, content: str) -> Path:
path.write_text(content, encoding="utf-8")
path.chmod(path.stat().st_mode | stat.S_IXUSR)
return path
def _run_prerequisites(tmp_path: Path, *, uv_find_script: str) -> subprocess.CompletedProcess[str]:
"""Run the real ``--stage prerequisites`` with a stub managed uv whose ``python find`` we script."""
home = tmp_path / "home"
hermes_home = home / ".hermes"
(hermes_home / "bin").mkdir(parents=True)
bin_dir = tmp_path / "bin"
bin_dir.mkdir()
_exe(bin_dir / "python3.13", "#!/bin/sh\n[ \"$1\" = --version ] && echo 'Python 3.13.12'\nexit 0\n")
_exe(hermes_home / "bin" / "uv", "#!/bin/sh\n[ \"$1\" = --version ] && { echo 'uv 0.9.0'; exit 0; }\n"
"if [ \"$1\" = python ] && [ \"$2\" = find ]; then\n" + uv_find_script + "fi\n"
"if [ \"$1\" = python ] && [ \"$2\" = install ]; then echo 'DOWNLOAD ATTEMPTED' >&2; exit 1; fi\nexit 0\n")
for tool in ("git", "node", "npm", "curl", "rg", "g++", "c++"):
_exe(bin_dir / tool, "#!/bin/sh\ncase \"$1\" in --version|-v) echo 'v22.12.0 2.50.0';; esac\nexit 0\n")
env = os.environ.copy()
env.update({"HOME": str(home), "HERMES_HOME": str(hermes_home),
"PATH": f"{bin_dir}{os.pathsep}{env.get('PATH', os.defpath)}"})
bash = shutil.which("bash") or "/bin/bash"
return subprocess.run([bash, str(INSTALL_SH), "--stage", "prerequisites", "--non-interactive"],
env=env, text=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, check=False)
@pytest.mark.linux_only
def test_supported_newer_python_is_reused_instead_of_downloading_311(tmp_path: Path) -> None:
"""3.11 absent, 3.13 present: the installer must take 3.13 and never call ``uv python install``."""
result = _run_prerequisites(tmp_path, uv_find_script=(
# The range probe must carry --system: with the install's own venv activated, a plain
# `uv python find` returns venv/bin/python3, which setup_venv then deletes.
f" [ \"$3\" = 3.11 ] && exit 2\n [ \"$3\" = --system ] && [ \"$4\" = '>=3.11,<3.14' ] && {{ echo {tmp_path}/bin/python3.13; exit 0; }}\n exit 2\n"))
assert "DOWNLOAD ATTEMPTED" not in result.stdout, result.stdout
assert "Python found: Python 3.13.12" in result.stdout, result.stdout
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