我们从Python开源项目中，提取了以下23个代码示例，用于说明如何使用tempfile._candidate_tempdir_list()。
def test_nonempty_list(self): # _candidate_tempdir_list returns a nonempty list of strings cand = tempfile._candidate_tempdir_list() self.assertFalse(len(cand) == 0) for c in cand: self.assertIsInstance(c, str)
def test_wanted_dirs(self): # _candidate_tempdir_list contains the expected directories # Make sure the interesting environment variables are all set. with support.EnvironmentVarGuard() as env: for envname in 'TMPDIR', 'TEMP', 'TMP': dirname = os.getenv(envname) if not dirname: env[envname] = os.path.abspath(envname) cand = tempfile._candidate_tempdir_list() for envname in 'TMPDIR', 'TEMP', 'TMP': dirname = os.getenv(envname) if not dirname: raise ValueError self.assertIn(dirname, cand) try: dirname = os.getcwd() except (AttributeError, os.error): dirname = os.curdir self.assertIn(dirname, cand) # Not practical to try to verify the presence of OS-specific # paths in this list.
def test_nonempty_list(self): # _candidate_tempdir_list returns a nonempty list of strings cand = tempfile._candidate_tempdir_list() self.assertFalse(len(cand) == 0) for c in cand: self.assertIsInstance(c, basestring)
def test_no_files_left_behind(self): # use a private empty directory our_temp_directory = tempfile.mkdtemp() try: # force _get_default_tempdir() to consider our empty directory def our_candidate_list(): return [our_temp_directory] with support.swap_attr(tempfile, "_candidate_tempdir_list", our_candidate_list): # verify our directory is empty after _get_default_tempdir() tempfile._get_default_tempdir() self.assertEqual(os.listdir(our_temp_directory), []) def raise_OSError(*args, **kwargs): raise OSError(-1) with support.swap_attr(io, "open", raise_OSError): # test again with failing io.open() with self.assertRaises(IOError) as cm: tempfile._get_default_tempdir() self.assertEqual(cm.exception.errno, errno.ENOENT) self.assertEqual(os.listdir(our_temp_directory), []) open = io.open def bad_writer(*args, **kwargs): fp = open(*args, **kwargs) fp.write = raise_OSError return fp with support.swap_attr(io, "open", bad_writer): # test again with failing write() with self.assertRaises(IOError) as cm: tempfile._get_default_tempdir() self.assertEqual(cm.exception.errno, errno.ENOENT) self.assertEqual(os.listdir(our_temp_directory), []) finally: shutil.rmtree(our_temp_directory)
def test_wanted_dirs(self): # _candidate_tempdir_list contains the expected directories # Make sure the interesting environment variables are all set. with support.EnvironmentVarGuard() as env: for envname in 'TMPDIR', 'TEMP', 'TMP': dirname = os.getenv(envname) if not dirname: env[envname] = os.path.abspath(envname) cand = tempfile._candidate_tempdir_list() for envname in 'TMPDIR', 'TEMP', 'TMP': dirname = os.getenv(envname) if not dirname: raise ValueError self.assertIn(dirname, cand) try: dirname = os.getcwd() except (AttributeError, os.error): dirname = os.curdir self.assertIn(dirname, cand) # Not practical to try to verify the presence of OS-specific # paths in this list. # We test _get_default_tempdir some more by testing gettempdir.
def test_no_files_left_behind(self): # use a private empty directory with tempfile.TemporaryDirectory() as our_temp_directory: # force _get_default_tempdir() to consider our empty directory def our_candidate_list(): return [our_temp_directory] with support.swap_attr(tempfile, "_candidate_tempdir_list", our_candidate_list): # verify our directory is empty after _get_default_tempdir() tempfile._get_default_tempdir() self.assertEqual(os.listdir(our_temp_directory), []) def raise_OSError(*args, **kwargs): raise OSError() with support.swap_attr(io, "open", raise_OSError): # test again with failing io.open() with self.assertRaises(FileNotFoundError): tempfile._get_default_tempdir() self.assertEqual(os.listdir(our_temp_directory), []) open = io.open def bad_writer(*args, **kwargs): fp = open(*args, **kwargs) fp.write = raise_OSError return fp with support.swap_attr(io, "open", bad_writer): # test again with failing write() with self.assertRaises(FileNotFoundError): tempfile._get_default_tempdir() self.assertEqual(os.listdir(our_temp_directory), [])
def test_wanted_dirs(self): # _candidate_tempdir_list contains the expected directories # Make sure the interesting environment variables are all set. with support.EnvironmentVarGuard() as env: for envname in 'TMPDIR', 'TEMP', 'TMP': dirname = os.getenv(envname) if not dirname: env[envname] = os.path.abspath(envname) cand = tempfile._candidate_tempdir_list() for envname in 'TMPDIR', 'TEMP', 'TMP': dirname = os.getenv(envname) if not dirname: raise ValueError self.assertIn(dirname, cand) try: dirname = os.getcwd() except (AttributeError, OSError): dirname = os.curdir self.assertIn(dirname, cand) # Not practical to try to verify the presence of OS-specific # paths in this list. # We test _get_default_tempdir some more by testing gettempdir.
