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	initial import of the packaging package in the standard library
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								Lib/packaging/tests/test_command_build_ext.py
									
										
									
									
									
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								Lib/packaging/tests/test_command_build_ext.py
									
										
									
									
									
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							|  | @ -0,0 +1,353 @@ | |||
| import os | ||||
| import sys | ||||
| import site | ||||
| import shutil | ||||
| import sysconfig | ||||
| from io import StringIO | ||||
| from packaging.dist import Distribution | ||||
| from packaging.errors import UnknownFileError, CompileError | ||||
| from packaging.command.build_ext import build_ext | ||||
| from packaging.compiler.extension import Extension | ||||
| 
 | ||||
| from packaging.tests import support, unittest, verbose, unload | ||||
| 
 | ||||
| # http://bugs.python.org/issue4373 | ||||
| # Don't load the xx module more than once. | ||||
| ALREADY_TESTED = False | ||||
| 
 | ||||
| 
 | ||||
| def _get_source_filename(): | ||||
|     srcdir = sysconfig.get_config_var('srcdir') | ||||
|     return os.path.join(srcdir, 'Modules', 'xxmodule.c') | ||||
| 
 | ||||
| 
 | ||||
| class BuildExtTestCase(support.TempdirManager, | ||||
|                        support.LoggingCatcher, | ||||
|                        unittest.TestCase): | ||||
|     def setUp(self): | ||||
|         # Create a simple test environment | ||||
|         # Note that we're making changes to sys.path | ||||
|         super(BuildExtTestCase, self).setUp() | ||||
|         self.tmp_dir = self.mkdtemp() | ||||
|         self.sys_path = sys.path, sys.path[:] | ||||
|         sys.path.append(self.tmp_dir) | ||||
|         shutil.copy(_get_source_filename(), self.tmp_dir) | ||||
|         self.old_user_base = site.USER_BASE | ||||
|         site.USER_BASE = self.mkdtemp() | ||||
|         build_ext.USER_BASE = site.USER_BASE | ||||
| 
 | ||||
|     def test_build_ext(self): | ||||
|         global ALREADY_TESTED | ||||
|         xx_c = os.path.join(self.tmp_dir, 'xxmodule.c') | ||||
|         xx_ext = Extension('xx', [xx_c]) | ||||
|         dist = Distribution({'name': 'xx', 'ext_modules': [xx_ext]}) | ||||
|         dist.package_dir = self.tmp_dir | ||||
|         cmd = build_ext(dist) | ||||
|         if os.name == "nt": | ||||
|             # On Windows, we must build a debug version iff running | ||||
|             # a debug build of Python | ||||
|             cmd.debug = sys.executable.endswith("_d.exe") | ||||
|         cmd.build_lib = self.tmp_dir | ||||
|         cmd.build_temp = self.tmp_dir | ||||
| 
 | ||||
|         old_stdout = sys.stdout | ||||
|         if not verbose: | ||||
|             # silence compiler output | ||||
|             sys.stdout = StringIO() | ||||
|         try: | ||||
|             cmd.ensure_finalized() | ||||
|             cmd.run() | ||||
|         finally: | ||||
|             sys.stdout = old_stdout | ||||
| 
 | ||||
|         if ALREADY_TESTED: | ||||
|             return | ||||
|         else: | ||||
|             ALREADY_TESTED = True | ||||
| 
 | ||||
|         import xx | ||||
| 
 | ||||
|         for attr in ('error', 'foo', 'new', 'roj'): | ||||
|             self.assertTrue(hasattr(xx, attr)) | ||||
| 
 | ||||
|         self.assertEqual(xx.foo(2, 5), 7) | ||||
|         self.assertEqual(xx.foo(13, 15), 28) | ||||
|         self.assertEqual(xx.new().demo(), None) | ||||
|         doc = 'This is a template module just for instruction.' | ||||
|         self.assertEqual(xx.__doc__, doc) | ||||
|         self.assertTrue(isinstance(xx.Null(), xx.Null)) | ||||
|         self.assertTrue(isinstance(xx.Str(), xx.Str)) | ||||
| 
 | ||||
|     def tearDown(self): | ||||
|         # Get everything back to normal | ||||
|         unload('xx') | ||||
|         sys.path = self.sys_path[0] | ||||
|         sys.path[:] = self.sys_path[1] | ||||
|         if sys.version > "2.6": | ||||
|             site.USER_BASE = self.old_user_base | ||||
|             build_ext.USER_BASE = self.old_user_base | ||||
| 
 | ||||
|         super(BuildExtTestCase, self).tearDown() | ||||
| 
 | ||||
|     def test_solaris_enable_shared(self): | ||||
|         dist = Distribution({'name': 'xx'}) | ||||
|         cmd = build_ext(dist) | ||||
|         old = sys.platform | ||||
| 
 | ||||
|         sys.platform = 'sunos'  # fooling finalize_options | ||||
|         from sysconfig import _CONFIG_VARS | ||||
| 
 | ||||
|         old_var = _CONFIG_VARS.get('Py_ENABLE_SHARED') | ||||
|         _CONFIG_VARS['Py_ENABLE_SHARED'] = 1 | ||||
|         try: | ||||
|             cmd.ensure_finalized() | ||||
|         finally: | ||||
|             sys.platform = old | ||||
|             if old_var is None: | ||||
|                 del _CONFIG_VARS['Py_ENABLE_SHARED'] | ||||
|             else: | ||||
|                 _CONFIG_VARS['Py_ENABLE_SHARED'] = old_var | ||||
| 
 | ||||
|         # make sure we get some library dirs under solaris | ||||
|         self.assertGreater(len(cmd.library_dirs), 0) | ||||
| 
 | ||||
|     @unittest.skipIf(sys.version < '2.6', 'requires Python 2.6 or higher') | ||||
|     def test_user_site(self): | ||||
|         dist = Distribution({'name': 'xx'}) | ||||
|         cmd = build_ext(dist) | ||||
| 
 | ||||
|         # making sure the user option is there | ||||
|         options = [name for name, short, label in | ||||
|                    cmd.user_options] | ||||
|         self.assertIn('user', options) | ||||
| 
 | ||||
|         # setting a value | ||||
|         cmd.user = True | ||||
| 
 | ||||
|         # setting user based lib and include | ||||
|         lib = os.path.join(site.USER_BASE, 'lib') | ||||
|         incl = os.path.join(site.USER_BASE, 'include') | ||||
|         os.mkdir(lib) | ||||
|         os.mkdir(incl) | ||||
| 
 | ||||
|         # let's run finalize | ||||
|         cmd.ensure_finalized() | ||||
| 
 | ||||
|         # see if include_dirs and library_dirs | ||||
|         # were set | ||||
|         self.assertIn(lib, cmd.library_dirs) | ||||
|         self.assertIn(lib, cmd.rpath) | ||||
|         self.assertIn(incl, cmd.include_dirs) | ||||
| 
 | ||||
|     def test_optional_extension(self): | ||||
| 
 | ||||
|         # this extension will fail, but let's ignore this failure | ||||
|         # with the optional argument. | ||||
|         modules = [Extension('foo', ['xxx'], optional=False)] | ||||
|         dist = Distribution({'name': 'xx', 'ext_modules': modules}) | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.ensure_finalized() | ||||
|         self.assertRaises((UnknownFileError, CompileError), | ||||
|                           cmd.run)  # should raise an error | ||||
| 
 | ||||
|         modules = [Extension('foo', ['xxx'], optional=True)] | ||||
|         dist = Distribution({'name': 'xx', 'ext_modules': modules}) | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.ensure_finalized() | ||||
|         cmd.run()  # should pass | ||||
| 
 | ||||
|     def test_finalize_options(self): | ||||
|         # Make sure Python's include directories (for Python.h, pyconfig.h, | ||||
|         # etc.) are in the include search path. | ||||
|         modules = [Extension('foo', ['xxx'], optional=False)] | ||||
|         dist = Distribution({'name': 'xx', 'ext_modules': modules}) | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.finalize_options() | ||||
| 
 | ||||
|         py_include = sysconfig.get_path('include') | ||||
|         self.assertIn(py_include, cmd.include_dirs) | ||||
| 
 | ||||
|         plat_py_include = sysconfig.get_path('platinclude') | ||||
|         self.assertIn(plat_py_include, cmd.include_dirs) | ||||
| 
 | ||||
|         # make sure cmd.libraries is turned into a list | ||||
|         # if it's a string | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.libraries = 'my_lib' | ||||
|         cmd.finalize_options() | ||||
|         self.assertEqual(cmd.libraries, ['my_lib']) | ||||
| 
 | ||||
|         # make sure cmd.library_dirs is turned into a list | ||||
|         # if it's a string | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.library_dirs = 'my_lib_dir' | ||||
|         cmd.finalize_options() | ||||
|         self.assertIn('my_lib_dir', cmd.library_dirs) | ||||
| 
 | ||||
|         # make sure rpath is turned into a list | ||||
|         # if it's a list of os.pathsep's paths | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.rpath = os.pathsep.join(['one', 'two']) | ||||
|         cmd.finalize_options() | ||||
|         self.assertEqual(cmd.rpath, ['one', 'two']) | ||||
| 
 | ||||
|         # XXX more tests to perform for win32 | ||||
| 
 | ||||
|         # make sure define is turned into 2-tuples | ||||
|         # strings if they are ','-separated strings | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.define = 'one,two' | ||||
|         cmd.finalize_options() | ||||
|         self.assertEqual(cmd.define, [('one', '1'), ('two', '1')]) | ||||
| 
 | ||||
|         # make sure undef is turned into a list of | ||||
|         # strings if they are ','-separated strings | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.undef = 'one,two' | ||||
|         cmd.finalize_options() | ||||
|         self.assertEqual(cmd.undef, ['one', 'two']) | ||||
| 
 | ||||
|         # make sure swig_opts is turned into a list | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.swig_opts = None | ||||
|         cmd.finalize_options() | ||||
|         self.assertEqual(cmd.swig_opts, []) | ||||
| 
 | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.swig_opts = '1 2' | ||||
|         cmd.finalize_options() | ||||
|         self.assertEqual(cmd.swig_opts, ['1', '2']) | ||||
| 
 | ||||
|     def test_get_source_files(self): | ||||
|         modules = [Extension('foo', ['xxx'], optional=False)] | ||||
|         dist = Distribution({'name': 'xx', 'ext_modules': modules}) | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.ensure_finalized() | ||||
|         self.assertEqual(cmd.get_source_files(), ['xxx']) | ||||
| 
 | ||||
|     def test_compiler_option(self): | ||||
|         # cmd.compiler is an option and | ||||
|         # should not be overriden by a compiler instance | ||||
|         # when the command is run | ||||
|         dist = Distribution() | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.compiler = 'unix' | ||||
|         cmd.ensure_finalized() | ||||
|         cmd.run() | ||||
|         self.assertEqual(cmd.compiler, 'unix') | ||||
| 
 | ||||
|     def test_get_outputs(self): | ||||
|         tmp_dir = self.mkdtemp() | ||||
|         c_file = os.path.join(tmp_dir, 'foo.c') | ||||
|         self.write_file(c_file, 'void initfoo(void) {};\n') | ||||
|         ext = Extension('foo', [c_file], optional=False) | ||||
|         dist = Distribution({'name': 'xx', | ||||
|                              'ext_modules': [ext]}) | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.ensure_finalized() | ||||
|         self.assertEqual(len(cmd.get_outputs()), 1) | ||||
| 
 | ||||
|         if os.name == "nt": | ||||
|             cmd.debug = sys.executable.endswith("_d.exe") | ||||
| 
 | ||||
|         cmd.build_lib = os.path.join(self.tmp_dir, 'build') | ||||
|         cmd.build_temp = os.path.join(self.tmp_dir, 'tempt') | ||||
| 
 | ||||
|         # issue #5977 : distutils build_ext.get_outputs | ||||
|         # returns wrong result with --inplace | ||||
|         other_tmp_dir = os.path.realpath(self.mkdtemp()) | ||||
|         old_wd = os.getcwd() | ||||
|         os.chdir(other_tmp_dir) | ||||
|         try: | ||||
|             cmd.inplace = True | ||||
|             cmd.run() | ||||
|             so_file = cmd.get_outputs()[0] | ||||
|         finally: | ||||
|             os.chdir(old_wd) | ||||
|         self.assertTrue(os.path.exists(so_file)) | ||||
|         so_ext = sysconfig.get_config_var('SO') | ||||
|         self.assertTrue(so_file.endswith(so_ext)) | ||||
|         so_dir = os.path.dirname(so_file) | ||||
|         self.assertEqual(so_dir, other_tmp_dir) | ||||
| 
 | ||||
|         cmd.inplace = False | ||||
|         cmd.run() | ||||
|         so_file = cmd.get_outputs()[0] | ||||
|         self.assertTrue(os.path.exists(so_file)) | ||||
|         self.assertTrue(so_file.endswith(so_ext)) | ||||
|         so_dir = os.path.dirname(so_file) | ||||
|         self.assertEqual(so_dir, cmd.build_lib) | ||||
| 
 | ||||
|         # inplace = False, cmd.package = 'bar' | ||||
|         build_py = cmd.get_finalized_command('build_py') | ||||
|         build_py.package_dir = 'bar' | ||||
|         path = cmd.get_ext_fullpath('foo') | ||||
|         # checking that the last directory is the build_dir | ||||
|         path = os.path.split(path)[0] | ||||
|         self.assertEqual(path, cmd.build_lib) | ||||
| 
 | ||||
|         # inplace = True, cmd.package = 'bar' | ||||
|         cmd.inplace = True | ||||
|         other_tmp_dir = os.path.realpath(self.mkdtemp()) | ||||
|         old_wd = os.getcwd() | ||||
|         os.chdir(other_tmp_dir) | ||||
|         try: | ||||
|             path = cmd.get_ext_fullpath('foo') | ||||
|         finally: | ||||
|             os.chdir(old_wd) | ||||
|         # checking that the last directory is bar | ||||
|         path = os.path.split(path)[0] | ||||
|         lastdir = os.path.split(path)[-1] | ||||
|         self.assertEqual(lastdir, 'bar') | ||||
| 
 | ||||
|     def test_ext_fullpath(self): | ||||
|         ext = sysconfig.get_config_vars()['SO'] | ||||
|         # building lxml.etree inplace | ||||
|         #etree_c = os.path.join(self.tmp_dir, 'lxml.etree.c') | ||||
|         #etree_ext = Extension('lxml.etree', [etree_c]) | ||||
|         #dist = Distribution({'name': 'lxml', 'ext_modules': [etree_ext]}) | ||||
|         dist = Distribution() | ||||
|         cmd = build_ext(dist) | ||||
|         cmd.inplace = True | ||||
|         cmd.distribution.package_dir = 'src' | ||||
|         cmd.distribution.packages = ['lxml', 'lxml.html'] | ||||
|         curdir = os.getcwd() | ||||
|         wanted = os.path.join(curdir, 'src', 'lxml', 'etree' + ext) | ||||
|         path = cmd.get_ext_fullpath('lxml.etree') | ||||
|         self.assertEqual(wanted, path) | ||||
| 
 | ||||
|         # building lxml.etree not inplace | ||||
|         cmd.inplace = False | ||||
|         cmd.build_lib = os.path.join(curdir, 'tmpdir') | ||||
|         wanted = os.path.join(curdir, 'tmpdir', 'lxml', 'etree' + ext) | ||||
|         path = cmd.get_ext_fullpath('lxml.etree') | ||||
|         self.assertEqual(wanted, path) | ||||
| 
 | ||||
|         # building twisted.runner.portmap not inplace | ||||
|         build_py = cmd.get_finalized_command('build_py') | ||||
|         build_py.package_dir = None | ||||
|         cmd.distribution.packages = ['twisted', 'twisted.runner.portmap'] | ||||
|         path = cmd.get_ext_fullpath('twisted.runner.portmap') | ||||
|         wanted = os.path.join(curdir, 'tmpdir', 'twisted', 'runner', | ||||
|                               'portmap' + ext) | ||||
|         self.assertEqual(wanted, path) | ||||
| 
 | ||||
|         # building twisted.runner.portmap inplace | ||||
|         cmd.inplace = True | ||||
|         path = cmd.get_ext_fullpath('twisted.runner.portmap') | ||||
|         wanted = os.path.join(curdir, 'twisted', 'runner', 'portmap' + ext) | ||||
|         self.assertEqual(wanted, path) | ||||
| 
 | ||||
| 
 | ||||
| def test_suite(): | ||||
|     src = _get_source_filename() | ||||
|     if not os.path.exists(src): | ||||
|         if verbose: | ||||
|             print ('test_build_ext: Cannot find source code (test' | ||||
|                    ' must run in python build dir)') | ||||
|         return unittest.TestSuite() | ||||
|     else: | ||||
|         return unittest.makeSuite(BuildExtTestCase) | ||||
| 
 | ||||
| if __name__ == '__main__': | ||||
|     unittest.main(defaultTest='test_suite') | ||||
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	 Tarek Ziade
						Tarek Ziade