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from __future__ import absolute_import, unicode_literals
import os
import sys
import subprocess
import pytest
from . import namespaces
class TestNamespaces:
@pytest.mark.xfail(sys.version_info < (3, 3),
reason="Requires PEP 420")
@pytest.mark.skipif(bool(os.environ.get("APPVEYOR")),
reason="https://github.com/pypa/setuptools/issues/851")
def test_mixed_site_and_non_site(self, tmpdir):
"""
Installing two packages sharing the same namespace, one installed
to a site dir and the other installed just to a path on PYTHONPATH
should leave the namespace in tact and both packages reachable by
import.
"""
pkg_A = namespaces.build_namespace_package(tmpdir, 'myns.pkgA')
pkg_B = namespaces.build_namespace_package(tmpdir, 'myns.pkgB')
site_packages = tmpdir / 'site-packages'
path_packages = tmpdir / 'path-packages'
targets = site_packages, path_packages
python_path = os.pathsep.join(map(str, targets))
# use pip to install to the target directory
install_cmd = [
'pip',
'install',
str(pkg_A),
'-t', str(site_packages),
]
subprocess.check_call(install_cmd)
namespaces.make_site_dir(site_packages)
install_cmd = [
'pip',
'install',
str(pkg_B),
'-t', str(path_packages),
]
subprocess.check_call(install_cmd)
try_import = [
sys.executable,
'-c', 'import myns.pkgA; import myns.pkgB',
]
env = dict(PYTHONPATH=python_path)
subprocess.check_call(try_import, env=env)
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