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import io
import os
import shutil
import sys
import tarfile
import textwrap
import time
import itertools
import pytest
def DALS(s):
"dedent and left-strip"
return textwrap.dedent(s).lstrip()
def make_sdist(dist_path, files):
"""
Create a simple sdist tarball at dist_path, containing the files
listed in ``files`` as ``(filename, content)`` tuples.
"""
with tarfile.open(dist_path, 'w:gz') as dist:
for filename, content in files:
file_bytes = io.BytesIO(content.encode('utf-8'))
file_info = tarfile.TarInfo(name=filename)
file_info.size = len(file_bytes.getvalue())
file_info.mtime = int(time.time())
dist.addfile(file_info, fileobj=file_bytes)
@pytest.fixture
def venv(virtualenv):
yield virtualenv
# Workaround virtualenv not cleaning itself as it should...
virtualenv.delete = True
virtualenv.teardown()
setuptools_reqs = (
['setuptools', 'setuptools==38.4.1']
if sys.version_info < (3, 10)
else ['setuptools', 'setuptools==49.0.0']
)
args_variants = ['', '--extras']
@pytest.mark.xfail('platform.system() == "Windows"')
@pytest.mark.parametrize(
'setuptools_req, test_args', itertools.product(setuptools_reqs, args_variants)
)
def test_egg_fetcher(venv, setuptools_req, test_args):
test_args = test_args.split()
# Install pytest & pytest-runner.
venv.run('pip install pytest .', cwd=os.getcwd())
# Install setuptools version.
venv.run('pip install -U'.split() + [setuptools_req])
# For debugging purposes.
venv.run('pip freeze --all')
# Prepare fake index.
index_dir = (venv.workspace / 'index').mkdir()
for n in range(5):
dist_name = 'barbazquux' + str(n + 1)
dist_version = '0.1'
dist_sdist = '%s-%s.tar.gz' % (dist_name, dist_version)
dist_dir = (index_dir / dist_name).mkdir()
make_sdist(
dist_dir / dist_sdist,
(
(
'setup.py',
textwrap.dedent(
'''
from setuptools import setup
setup(
name={dist_name!r},
version={dist_version!r},
py_modules=[{dist_name!r}],
)
'''
).format(dist_name=dist_name, dist_version=dist_version),
),
(dist_name + '.py', ''),
),
)
with (dist_dir / 'index.html').open('w') as fp:
fp.write(
DALS(
'''
<!DOCTYPE html><html><body>
<a href="{dist_sdist}" rel="internal">{dist_sdist}</a><br/>
</body></html>
'''
).format(dist_sdist=dist_sdist)
)
# Move barbazquux1 out of the index.
shutil.move(index_dir / 'barbazquux1', venv.workspace)
barbazquux1_link = (
'file://'
+ str(venv.workspace.abspath())
+ '/barbazquux1/barbazquux1-0.1.tar.gz'
+ '#egg=barbazquux1-0.1'
)
# Prepare fake project.
project_dir = (venv.workspace / 'project-0.1').mkdir()
with open(project_dir / 'setup.py', 'w') as fp:
fp.write(
DALS(
'''
from setuptools import setup
setup(
name='project',
version='0.1',
dependency_links = [
{barbazquux1_link!r},
],
setup_requires=[
'pytest-runner',
],
install_requires=[
'barbazquux1',
],
tests_require=[
'pytest',
'barbazquux2',
],
extras_require={{
':"{sys_platform}" in sys_platform': 'barbazquux3',
':"barbazquux" in sys_platform': 'barbazquux4',
'extra': 'barbazquux5',
}}
)
'''
).format(sys_platform=sys.platform, barbazquux1_link=barbazquux1_link)
)
with open(project_dir / 'setup.cfg', 'w') as fp:
fp.write(
DALS(
'''
[easy_install]
index_url = .
'''
)
)
with open(project_dir / 'test_stuff.py', 'w') as fp:
fp.write(
DALS(
'''
import pytest
def test_stuff():
import barbazquux1
import barbazquux2
import barbazquux3
with pytest.raises(ImportError):
import barbazquux4
if {importable_barbazquux5}:
import barbazquux5
else:
with pytest.raises(ImportError):
import barbazquux5
'''
).format(importable_barbazquux5=('--extras' in test_args))
)
# Run fake project tests.
cmd = 'python setup.py pytest'.split()
cmd += ['--index-url=' + index_dir.abspath()]
cmd += test_args
venv.run(cmd, cwd=project_dir)
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