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from __future__ import annotations
import importlib.util
import os
import shutil
import subprocess
import sys
from collections.abc import Generator
from pathlib import Path
import pytest
import virtualenv as _virtualenv
if sys.version_info < (3, 8):
import importlib_metadata as metadata
from typing_extensions import Literal, overload
else:
from importlib import metadata
from typing import Literal, overload
HAS_SETUPTOOLS_SCM = importlib.util.find_spec("setuptools_scm") is not None
DIR = Path(__file__).parent.resolve()
BASE = DIR.parent
pytest.register_assert_rewrite("tests.pytest_helpers")
@pytest.fixture(scope="session")
def pep518_wheelhouse(tmp_path_factory: pytest.TempPathFactory) -> Path:
numpy = ["numpy"] if sys.version_info < (3, 13) else []
wheelhouse = tmp_path_factory.mktemp("wheelhouse")
subprocess.run(
[
sys.executable,
"-m",
"pip",
"wheel",
"--wheel-dir",
str(wheelhouse),
f"{BASE}",
],
check=True,
)
# Hatch-* packages only required for test_distribution
packages = [
"build",
"setuptools",
"virtualenv",
"wheel",
"ninja",
"cmake",
"hatch-fancy-pypi-readme",
"hatch-vcs",
"hatchling",
]
subprocess.run(
[
sys.executable,
"-m",
"pip",
"download",
"-q",
"-d",
str(wheelhouse),
*numpy,
*packages,
],
check=True,
)
return wheelhouse
class VEnv:
def __init__(self, env_dir: Path, *, wheelhouse: Path | None = None) -> None:
cmd = [str(env_dir), "--no-setuptools", "--no-wheel", "--activators", ""]
result = _virtualenv.cli_run(cmd, setup_logging=False)
self.wheelhouse = wheelhouse
self.executable = Path(result.creator.exe)
self.dest = env_dir.resolve()
@overload
def run(self, *args: str | os.PathLike[str], capture: Literal[True], cwd: Path | None = ...) -> str: ...
@overload
def run(self, *args: str | os.PathLike[str], capture: Literal[False] = ..., cwd: Path | None = ...) -> None: ...
def run(self, *args: str | os.PathLike[str], capture: bool = False, cwd: Path | None = None) -> str | None:
__tracebackhide__ = True
env = os.environ.copy()
env["PATH"] = f"{self.executable.parent}{os.pathsep}{env['PATH']}"
env["VIRTUAL_ENV"] = str(self.dest)
env["PIP_DISABLE_PIP_VERSION_CHECK"] = "ON"
if self.wheelhouse is not None:
env["PIP_NO_INDEX"] = "ON"
env["PIP_FIND_LINKS"] = str(self.wheelhouse)
str_args = [os.fspath(a) for a in args]
# Windows does not make a python shortcut in venv
if str_args[0] in {"python", "python3"}:
str_args[0] = str(self.executable)
if capture:
result = subprocess.run(
str_args,
check=False,
capture_output=True,
text=True,
env=env,
cwd=cwd,
)
if result.returncode != 0:
print(result.stdout, file=sys.stdout)
print(result.stderr, file=sys.stderr)
print("FAILED RUN:", *str_args, file=sys.stderr)
raise SystemExit(result.returncode)
return result.stdout.strip()
result_bytes = subprocess.run(
str_args,
check=False,
env=env,
cwd=cwd,
)
if result_bytes.returncode != 0:
print("FAILED RUN:", *str_args, file=sys.stderr)
raise SystemExit(result_bytes.returncode)
return None
def execute(self, command: str, cwd: Path | None = None) -> str:
return self.run(str(self.executable), "-c", command, capture=True, cwd=cwd)
@overload
def module(self, *args: str | os.PathLike[str], capture: Literal[False] = ..., cwd: Path | None = ...) -> None: ...
@overload
def module(self, *args: str | os.PathLike[str], capture: Literal[True], cwd: Path | None = ...) -> str: ...
def module(self, *args: str | os.PathLike[str], capture: bool = False, cwd: Path | None = None) -> None | str:
return self.run(str(self.executable), "-m", *args, capture=capture, cwd=cwd) # type: ignore[no-any-return,call-overload]
def install(self, *args: str | os.PathLike[str]) -> None:
self.module("pip", "install", *args)
@pytest.fixture()
def pep518(pep518_wheelhouse, monkeypatch):
monkeypatch.setenv("PIP_FIND_LINKS", str(pep518_wheelhouse))
monkeypatch.setenv("PIP_NO_INDEX", "true")
return pep518_wheelhouse
@pytest.fixture()
def isolated(tmp_path: Path, pep518_wheelhouse: Path) -> Generator[VEnv, None, None]:
path = tmp_path / "venv"
try:
yield VEnv(path, wheelhouse=pep518_wheelhouse)
finally:
shutil.rmtree(path, ignore_errors=True)
def _get_program(name: str) -> str:
res = shutil.which(name)
if res is None:
return f"No {name} executable found on PATH"
result = subprocess.run([res, "--version"], check=True, text=True, capture_output=True)
version = result.stdout.splitlines()[0]
return f"{res}: {version}"
def pytest_report_header() -> str:
interesting_packages = {
"build",
"cmake",
"distro",
"ninja",
"packaging",
"pip",
"scikit-build",
"setuptools",
"setuptools_scm",
"virtualenv",
"wheel",
}
valid = []
for package in interesting_packages:
try:
version = metadata.version(package)
except ModuleNotFoundError:
continue
valid.append(f"{package}=={version}")
reqs = " ".join(sorted(valid))
pkg_line = f"installed packages of interest: {reqs}"
prog_lines = [_get_program(n) for n in ("cmake3", "cmake", "ninja")]
return "\n".join([pkg_line, *prog_lines])
def pytest_runtest_setup(item: pytest.Item) -> None:
if HAS_SETUPTOOLS_SCM and tuple(item.iter_markers(name="nosetuptoolsscm")):
pytest.exit("Setuptools_scm installed and nosetuptoolsscm tests not skipped.")
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