"""Tests for distutils.command.build_py.""" import osimport unittest from distutils.command.build_py import build_pyfrom distutils.core import Distribution from distutils.tests import support  class BuildPyTestCase(support.TempdirManager,                      support.LoggingSilencer,                      unittest.TestCase):     def test_package_data(self):        sources = self.mkdtemp()        f = open(os.path.join(sources, "__init__.py"), "w")        f.write("# Pretend this is a package.")        f.close()        f = open(os.path.join(sources, "README.txt"), "w")        f.write("Info about this package")        f.close()         destination = self.mkdtemp()         dist = Distribution({"packages": ["pkg"],                             "package_dir": {"pkg": sources}})        # script_name need not exist, it just need to be initialized        dist.script_name = os.path.join(sources, "setup.py")        dist.command_obj["build"] = support.DummyCommand(            force=0,            build_lib=destination)        dist.packages = ["pkg"]        dist.package_data = {"pkg": ["README.txt"]}        dist.package_dir = {"pkg": sources}         cmd = build_py(dist)        cmd.compile = 1        cmd.ensure_finalized()        self.assertEqual(cmd.package_data, dist.package_data)         cmd.run()         # This makes sure the list of outputs includes byte-compiled        # files for Python modules but not for package data files        # (there shouldn't *be* byte-code files for those!).        #        self.assertEqual(len(cmd.get_outputs()), 3)        pkgdest = os.path.join(destination, "pkg")        files = os.listdir(pkgdest)        self.assert_("__init__.py" in files)        self.assert_("__init__.pyc" in files)        self.assert_("README.txt" in files)  def test_suite():    return unittest.makeSuite(BuildPyTestCase) if __name__ == "__main__":    unittest.main(defaultTest="test_suite")