Edit: test_find_packages.py
"""Tests for automatic package discovery""" import os import shutil import tempfile import pytest from setuptools import find_namespace_packages, find_packages from setuptools.discovery import FlatLayoutPackageFinder from .compat.py39 import os_helper class TestFindPackages: def setup_method(self, method): self.dist_dir = tempfile.mkdtemp() self._make_pkg_structure() def teardown_method(self, method): shutil.rmtree(self.dist_dir) def _make_pkg_structure(self): """Make basic package structure. dist/ docs/ conf.py pkg/ __pycache__/ nspkg/ mod.py subpkg/ assets/ asset __init__.py setup.py """ self.docs_dir = self._mkdir('docs', self.dist_dir) self._touch('conf.py', self.docs_dir) self.pkg_dir = self._mkdir('pkg', self.dist_dir) self._mkdir('__pycache__', self.pkg_dir) self.ns_pkg_dir = self._mkdir('nspkg', self.pkg_dir) self._touch('mod.py', self.ns_pkg_dir) self.sub_pkg_dir = self._mkdir('subpkg', self.pkg_dir) self.asset_dir = self._mkdir('assets', self.sub_pkg_dir) self._touch('asset', self.asset_dir) self._touch('__init__.py', self.sub_pkg_dir) self._touch('setup.py', self.dist_dir) def _mkdir(self, path, parent_dir=None): if parent_dir: path = os.path.join(parent_dir, path) os.mkdir(path) return path def _touch(self, path, dir_=None): if dir_: path = os.path.join(dir_, path) open(path, 'wb').close() return path def test_regular_package(self): self._touch('__init__.py', self.pkg_dir) packages = find_packages(self.dist_dir) assert packages == ['pkg', 'pkg.subpkg'] def test_exclude(self): self._touch('__init__.py', self.pkg_dir) packages = find_packages(self.dist_dir, exclude=('pkg.*',)) assert packages == ['pkg'] def test_exclude_recursive(self): """ Excluding a parent package should not exclude child packages as well. """ self._touch('__init__.py', self.pkg_dir) self._touch('__init__.py', self.sub_pkg_dir) packages = find_packages(self.dist_dir, exclude=('pkg',)) assert packages == ['pkg.subpkg'] def test_include_excludes_other(self): """ If include is specified, other packages should be excluded. """ self._touch('__init__.py', self.pkg_dir) alt_dir = self._mkdir('other_pkg', self.dist_dir) self._touch('__init__.py', alt_dir) packages = find_packages(self.dist_dir, include=['other_pkg']) assert packages == ['other_pkg'] def test_dir_with_dot_is_skipped(self): shutil.rmtree(os.path.join(self.dist_dir, 'pkg/subpkg/assets')) data_dir = self._mkdir('some.data', self.pkg_dir) self._touch('__init__.py', data_dir) self._touch('file.dat', data_dir) packages = find_packages(self.dist_dir) assert 'pkg.some.data' not in packages def test_dir_with_packages_in_subdir_is_excluded(self): """ Ensure that a package in a non-package such as build/pkg/__init__.py is excluded. """ build_dir = self._mkdir('build', self.dist_dir) build_pkg_dir = self._mkdir('pkg', build_dir) self._touch('__init__.py', build_pkg_dir) packages = find_packages(self.dist_dir) assert 'build.pkg' not in packages @pytest.mark.skipif(not os_helper.can_symlink(), reason='Symlink support required') def test_symlinked_packages_are_included(self): """ A symbolically-linked directory should be treated like any other directory when matched as a package. Create a link from lpkg -> pkg. """ self._touch('__init__.py', self.pkg_dir) linked_pkg = os.path.join(self.dist_dir, 'lpkg') os.symlink('pkg', linked_pkg) assert os.path.isdir(linked_pkg) packages = find_packages(self.dist_dir) assert 'lpkg' in packages def _assert_packages(self, actual, expected): assert set(actual) == set(expected) def test_pep420_ns_package(self): packages = find_namespace_packages( self.dist_dir, include=['pkg*'], exclude=['pkg.subpkg.assets'] ) self._assert_packages(packages, ['pkg', 'pkg.nspkg', 'pkg.subpkg']) def test_pep420_ns_package_no_includes(self): packages = find_namespace_packages(self.dist_dir, exclude=['pkg.subpkg.assets']) self._assert_packages(packages, ['docs', 'pkg', 'pkg.nspkg', 'pkg.subpkg']) def test_pep420_ns_package_no_includes_or_excludes(self): packages = find_namespace_packages(self.dist_dir) expected = ['docs', 'pkg', 'pkg.nspkg', 'pkg.subpkg', 'pkg.subpkg.assets'] self._assert_packages(packages, expected) def test_regular_package_with_nested_pep420_ns_packages(self): self._touch('__init__.py', self.pkg_dir) packages = find_namespace_packages( self.dist_dir, exclude=['docs', 'pkg.subpkg.assets'] ) self._assert_packages(packages, ['pkg', 'pkg.nspkg', 'pkg.subpkg']) def test_pep420_ns_package_no_non_package_dirs(self): shutil.rmtree(self.docs_dir) shutil.rmtree(os.path.join(self.dist_dir, 'pkg/subpkg/assets')) packages = find_namespace_packages(self.dist_dir) self._assert_packages(packages, ['pkg', 'pkg.nspkg', 'pkg.subpkg']) class TestFlatLayoutPackageFinder: EXAMPLES = { "hidden-folders": ( [".pkg/__init__.py", "pkg/__init__.py", "pkg/nested/file.txt"], ["pkg", "pkg.nested"], ), "private-packages": ( ["_pkg/__init__.py", "pkg/_private/__init__.py"], ["pkg", "pkg._private"], ), "invalid-name": ( ["invalid-pkg/__init__.py", "other.pkg/__init__.py", "yet,another/file.py"], [], ), "docs": (["pkg/__init__.py", "docs/conf.py", "docs/readme.rst"], ["pkg"]), "tests": ( ["pkg/__init__.py", "tests/test_pkg.py", "tests/__init__.py"], ["pkg"], ), "examples": ( [ "pkg/__init__.py", "examples/__init__.py", "examples/file.py", "example/other_file.py", # Sub-packages should always be fine "pkg/example/__init__.py", "pkg/examples/__init__.py", ], ["pkg", "pkg.examples", "pkg.example"], ), "tool-specific": ( [ "htmlcov/index.html", "pkg/__init__.py", "tasks/__init__.py", "tasks/subpackage/__init__.py", "fabfile/__init__.py", "fabfile/subpackage/__init__.py", # Sub-packages should always be fine "pkg/tasks/__init__.py", "pkg/fabfile/__init__.py", ], ["pkg", "pkg.tasks", "pkg.fabfile"], ), } @pytest.mark.parametrize("example", EXAMPLES.keys()) def test_unwanted_directories_not_included(self, tmp_path, example): files, expected_packages = self.EXAMPLES[example] ensure_files(tmp_path, files) found_packages = FlatLayoutPackageFinder.find(str(tmp_path)) assert set(found_packages) == set(expected_packages) def ensure_files(root_path, files): for file in files: path = root_path / file path.parent.mkdir(parents=True, exist_ok=True) path.touch()
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