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EDIT :: test_namespaces.py

import subprocess import sys from setuptools._path import paths_on_pythonpath from . import namespaces class TestNamespaces: 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 # use pip to install to the target directory install_cmd = [ sys.executable, '-m', 'pip.__main__', 'install', str(pkg_A), '-t', str(site_packages), ] subprocess.check_call(install_cmd) namespaces.make_site_dir(site_packages) install_cmd = [ sys.executable, '-m', 'pip.__main__', 'install', str(pkg_B), '-t', str(path_packages), ] subprocess.check_call(install_cmd) try_import = [ sys.executable, '-c', 'import myns.pkgA; import myns.pkgB', ] with paths_on_pythonpath(map(str, targets)): subprocess.check_call(try_import) def test_pkg_resources_import(self, tmpdir): """ Ensure that a namespace package doesn't break on import of pkg_resources. """ pkg = namespaces.build_namespace_package(tmpdir, 'myns.pkgA') target = tmpdir / 'packages' target.mkdir() install_cmd = [ sys.executable, '-m', 'pip', 'install', '-t', str(target), str(pkg), ] with paths_on_pythonpath([str(target)]): subprocess.check_call(install_cmd) namespaces.make_site_dir(target) try_import = [ sys.executable, '-c', 'import pkg_resources', ] with paths_on_pythonpath([str(target)]): subprocess.check_call(try_import) def test_namespace_package_installed_and_cwd(self, tmpdir): """ Installing a namespace packages but also having it in the current working directory, only one version should take precedence. """ pkg_A = namespaces.build_namespace_package(tmpdir, 'myns.pkgA') target = tmpdir / 'packages' # use pip to install to the target directory install_cmd = [ sys.executable, '-m', 'pip.__main__', 'install', str(pkg_A), '-t', str(target), ] subprocess.check_call(install_cmd) namespaces.make_site_dir(target) # ensure that package imports and pkg_resources imports pkg_resources_imp = [ sys.executable, '-c', 'import pkg_resources; import myns.pkgA', ] with paths_on_pythonpath([str(target)]): subprocess.check_call(pkg_resources_imp, cwd=str(pkg_A)) def test_packages_in_the_same_namespace_installed_and_cwd(self, tmpdir): """ Installing one namespace package and also have another in the same namespace in the current working directory, both of them must be importable. """ pkg_A = namespaces.build_namespace_package(tmpdir, 'myns.pkgA') pkg_B = namespaces.build_namespace_package(tmpdir, 'myns.pkgB') target = tmpdir / 'packages' # use pip to install to the target directory install_cmd = [ sys.executable, '-m', 'pip.__main__', 'install', str(pkg_A), '-t', str(target), ] subprocess.check_call(install_cmd) namespaces.make_site_dir(target) # ensure that all packages import and pkg_resources imports pkg_resources_imp = [ sys.executable, '-c', 'import pkg_resources; import myns.pkgA; import myns.pkgB', ] with paths_on_pythonpath([str(target)]): subprocess.check_call(pkg_resources_imp, cwd=str(pkg_B))

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