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from __future__ import absolute_import, unicode_literals
import os
import subprocess
import sys
import pytest
import virtualenv
try:
from pathlib import Path
except ImportError:
from pathlib2 import Path
ROOT_DIR = Path(__file__).parents[1]
@pytest.fixture(scope="session")
def clean_python(tmp_path_factory):
path = tmp_path_factory.mktemp("activation-test-env")
prev_cwd = os.getcwd()
try:
os.chdir(str(path))
home_dir, _, __, bin_dir = virtualenv.path_locations(str(path / "env"))
virtualenv.create_environment(home_dir, no_pip=True, no_setuptools=True, no_wheel=True)
site_packages = subprocess.check_output(
[
os.path.join(bin_dir, virtualenv.EXPECTED_EXE),
"-c",
"from distutils.sysconfig import get_python_lib; print(get_python_lib())",
],
universal_newlines=True,
).strip()
pydoc_test = path.__class__(site_packages) / "pydoc_test.py"
pydoc_test.write_text('"""This is pydoc_test.py"""')
finally:
os.chdir(str(prev_cwd))
yield home_dir, bin_dir, pydoc_test
@pytest.fixture()
def sdist(tmp_path):
"""make assertions on what we package"""
import tarfile
path = os.environ.get("TOX_PACKAGE")
if path is not None:
dest_path = tmp_path / "sdist"
dest_path.mkdir()
prev = os.getcwd()
try:
os.chdir(str(dest_path))
tar = tarfile.open(path, "r:gz")
tar.extractall()
return next(dest_path.iterdir())
finally:
os.chdir(prev)
return None
@pytest.fixture(scope="session")
def wheel(tmp_path_factory):
"""test that we can create a virtual environment by feeding to a clean python the wheels content"""
dest_path = tmp_path_factory.mktemp("wheel")
env = os.environ.copy()
try:
subprocess.check_output(
[sys.executable, "-m", "pip", "wheel", "-w", str(dest_path), "--no-deps", str(ROOT_DIR)],
universal_newlines=True,
stderr=subprocess.STDOUT,
env=env,
)
except subprocess.CalledProcessError as exception:
assert not exception.returncode, exception.output
wheels = list(dest_path.glob("*.whl"))
assert len(wheels) == 1
wheel = wheels[0]
return wheel
@pytest.fixture()
def extracted_wheel(tmp_path, wheel):
dest_path = tmp_path / "wheel-extracted"
import zipfile
with zipfile.ZipFile(str(wheel), "r") as zip_ref:
zip_ref.extractall(str(dest_path))
return dest_path
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