text: import sys
  import compileall
  import importlib.util
  import test.test_importlib.util
  import os
  import pathlib
  import py_compile
  import shutil
  import struct
  import tempfile
  import time
  import unittest
  import io
  import errno
  
  from unittest import mock, skipUnless
  try:
      from concurrent.futures import ProcessPoolExecutor
      _have_multiprocessing = True
  except ImportError:
      _have_multiprocessing = False
  
  from test import support
  from test.support import script_helper
  
  from .test_py_compile import without_source_date_epoch
  from .test_py_compile import SourceDateEpochTestMeta
  
  
  class CompileallTestsBase:
  
      def setUp(self):
          self.directory = tempfile.mkdtemp()
          self.source_path = os.path.join(self.directory, '_test.py')
          self.bc_path = importlib.util.cache_from_source(self.source_path)
          with open(self.source_path, 'w') as file:
              file.write('x = 123\n')
          self.source_path2 = os.path.join(self.directory, '_test2.py')
          self.bc_path2 = importlib.util.cache_from_source(self.source_path2)
          shutil.copyfile(self.source_path, self.source_path2)
          self.subdirectory = os.path.join(self.directory, '_subdir')
          os.mkdir(self.subdirectory)
          self.source_path3 = os.path.join(self.subdirectory, '_test3.py')
          shutil.copyfile(self.source_path, self.source_path3)
  
      def tearDown(self):
          shutil.rmtree(self.directory)
  
      def add_bad_source_file(self):
          self.bad_source_path = os.path.join(self.directory, '_test_bad.py')
          with open(self.bad_source_path, 'w') as file:
              file.write('x (\n')
  
      def timestamp_metadata(self):
          with open(self.bc_path, 'rb') as file:
              data = file.read(12)
          mtime = int(os.stat(self.source_path).st_mtime)
          compare = struct.pack('<4sll', importlib.util.MAGIC_NUMBER, 0, mtime)
          return data, compare
  
      def recreation_check(self, metadata):
          """Check that compileall recreates bytecode when the new metadata is
          used."""
          if os.environ.get('SOURCE_DATE_EPOCH'):
              raise unittest.SkipTest('SOURCE_DATE_EPOCH is set')
          py_compile.compile(self.source_path)
          self.assertEqual(*self.timestamp_metadata())
          with open(self.bc_path, 'rb') as file:
              bc = file.read()[len(metadata):]
          with open(self.bc_path, 'wb') as file:
              file.write(metadata)
              file.write(bc)
          self.assertNotEqual(*self.timestamp_metadata())
          compileall.compile_dir(self.directory, force=False, quiet=True)
          self.assertTrue(*self.timestamp_metadata())
  
      def test_mtime(self):
          # Test a change in mtime leads to a new .pyc.
          self.recreation_check(struct.pack('<4sll', importlib.util.MAGIC_NUMBER,
                                            0, 1))
  
      def test_magic_number(self):
          # Test a change in mtime leads to a new .pyc.
          self.recreation_check(b'\0\0\0\0')
  
      def test_compile_files(self):
          # Test compiling a single file, and complete directory
          for fn in (self.bc_path, self.bc_path2):
              try:
                  os.unlink(fn)
              except:
                  pass
          self.assertTrue(compileall.compile_file(self.source_path,
                                                  force=False, quiet=True))
          self.assertTrue(os.path.isfile(self.bc_path) and
                          not os.path.isfile(self.bc_path2))
          os.unlink(self.bc_path)
          self.assertTrue(compileall.compile_dir(self.directory, force=False,
                                                 quiet=True))
          self.assertTrue(os.path.isfile(self.bc_path) and
                          os.path.isfile(self.bc_path2))
          os.unlink(self.bc_path)
          os.unlink(self.bc_path2)
          # Test against bad files
          self.add_bad_source_file()
          self.assertFalse(compileall.compile_file(self.bad_source_path,
                                                   force=False, quiet=2))
          self.assertFalse(compileall.compile_dir(self.directory,
                                                  force=False, quiet=2))
  
      def test_compile_file_pathlike(self):
          self.assertFalse(os.path.isfile(self.bc_path))
          # we should also test the output
          with support.captured_stdout() as stdout:
              self.assertTrue(compileall.compile_file(pathlib.Path(self.source_path)))
          self.assertRegex(stdout.getvalue(), r'Compiling ([^WindowsPath|PosixPath].*)')
          self.assertTrue(os.path.isfile(self.bc_path))
  
      def test_compile_file_pathlike_ddir(self):
          self.assertFalse(os.path.isfile(self.bc_path))
          self.assertTrue(compileall.compile_file(pathlib.Path(self.source_path),
                                                  ddir=pathlib.Path('ddir_path'),
                                                  quiet=2))
          self.assertTrue(os.path.isfile(self.bc_path))
  
      def test_compile_path(self):
          with test.test_importlib.util.import_state(path=[self.directory]):
              self.assertTrue(compileall.compile_path(quiet=2))
  
          with test.test_importlib.util.import_state(path=[self.directory]):
              self.add_bad_source_file()
              self.assertFalse(compileall.compile_path(skip_curdir=False,
                                                       force=True, quiet=2))
  
      def test_no_pycache_in_non_package(self):
          # Bug 8563 reported that __pycache__ directories got created by
          # compile_file() for non-.py files.
          data_dir = os.path.join(self.directory, 'data')
          data_file = os.path.join(data_dir, 'file')
          os.mkdir(data_dir)
          # touch data/file
          with open(data_file, 'w'):
              pass
          compileall.compile_file(data_file)
          self.assertFalse(os.path.exists(os.path.join(data_dir, '__pycache__')))
  
      def test_optimize(self):
          # make sure compiling with different optimization settings than the
          # interpreter's creates the correct file names
          optimize, opt = (1, 1) if __debug__ else (0, '')
          compileall.compile_dir(self.directory, quiet=True, optimize=optimize)
          cached = importlib.util.cache_from_source(self.source_path,
                                                    optimization=opt)
          self.assertTrue(os.path.isfile(cached))
          cached2 = importlib.util.cache_from_source(self.source_path2,
                                                     optimization=opt)
          self.assertTrue(os.path.isfile(cached2))
          cached3 = importlib.util.cache_from_source(self.source_path3,
                                                     optimization=opt)
          self.assertTrue(os.path.isfile(cached3))
  
      def test_compile_dir_pathlike(self):
          self.assertFalse(os.path.isfile(self.bc_path))
          with support.captured_stdout() as stdout:
              compileall.compile_dir(pathlib.Path(self.directory))
          line = stdout.getvalue().splitlines()[0]
          self.assertRegex(line, r'Listing ([^WindowsPath|PosixPath].*)')
          self.assertTrue(os.path.isfile(self.bc_path))
  
      @mock.patch('concurrent.futures.ProcessPoolExecutor')
      def test_compile_pool_called(self, pool_mock):
          compileall.compile_dir(self.directory, quiet=True, workers=5)
          self.assertTrue(pool_mock.called)
  
      def test_compile_workers_non_positive(self):
          with self.assertRaisesRegex(ValueError,
                                      "workers must be greater or equal to 0"):
              compileall.compile_dir(self.directory, workers=-1)
  
      @mock.patch('concurrent.futures.ProcessPoolExecutor')
      def test_compile_workers_cpu_count(self, pool_mock):
          compileall.compile_dir(self.directory, quiet=True, workers=0)
          self.assertEqual(pool_mock.call_args[1]['max_workers'], None)
  
      @mock.patch('concurrent.futures.ProcessPoolExecutor')
      @mock.patch('compileall.compile_file')
      def test_compile_one_worker(self, compile_file_mock, pool_mock):
          compileall.compile_dir(self.directory, quiet=True)
          self.assertFalse(pool_mock.called)
          self.assertTrue(compile_file_mock.called)
  
      @mock.patch('concurrent.futures.ProcessPoolExecutor', new=None)
      @mock.patch('compileall.compile_file')
      def test_compile_missing_multiprocessing(self, compile_file_mock):
          compileall.compile_dir(self.directory, quiet=True, workers=5)
          self.assertTrue(compile_file_mock.called)
  
      def test_compile_dir_maxlevels(self):
          # Test the actual impact of maxlevels parameter
          depth = 3
          path = self.directory
          for i in range(1, depth + 1):
              path = os.path.join(path, f"dir_{i}")
              source = os.path.join(path, 'script.py')
              os.mkdir(path)
              shutil.copyfile(self.source_path, source)
          pyc_filename = importlib.util.cache_from_source(source)
  
          compileall.compile_dir(self.directory, quiet=True, maxlevels=depth - 1)
          self.assertFalse(os.path.isfile(pyc_filename))
  
          compileall.compile_dir(self.directory, quiet=True, maxlevels=depth)
          self.assertTrue(os.path.isfile(pyc_filename))
  
      def test_strip_only(self):
          fullpath = ["test", "build", "real", "path"]
          path = os.path.join(self.directory, *fullpath)
          os.makedirs(path)
          script = script_helper.make_script(path, "test", "1 / 0")
          bc = importlib.util.cache_from_source(script)
          stripdir = os.path.join(self.directory, *fullpath[:2])
          compileall.compile_dir(path, quiet=True, stripdir=stripdir)
          rc, out, err = script_helper.assert_python_failure(bc)
          expected_in = os.path.join(*fullpath[2:])
          self.assertIn(
              expected_in,
              str(err, encoding=sys.getdefaultencoding())
          )
          self.assertNotIn(
              stripdir,
              str(err, encoding=sys.getdefaultencoding())
          )
  
      def test_prepend_only(self):
          fullpath = ["test", "build", "real", "path"]
          path = os.path.join(self.directory, *fullpath)
          os.makedirs(path)
          script = script_helper.make_script(path, "test", "1 / 0")
          bc = importlib.util.cache_from_source(script)
          prependdir = "/foo"
          compileall.compile_dir(path, quiet=True, prependdir=prependdir)
          rc, out, err = script_helper.assert_python_failure(bc)
          expected_in = os.path.join(prependdir, self.directory, *fullpath)
          self.assertIn(
              expected_in,
              str(err, encoding=sys.getdefaultencoding())
          )
  
      def test_strip_and_prepend(self):
          fullpath = ["test", "build", "real", "path"]
          path = os.path.join(self.directory, *fullpath)
          os.makedirs(path)
          script = script_helper.make_script(path, "test", "1 / 0")
          bc = importlib.util.cache_from_source(script)
          stripdir = os.path.join(self.directory, *fullpath[:2])
          prependdir = "/foo"
          compileall.compile_dir(path, quiet=True,
                                 stripdir=stripdir, prependdir=prependdir)
          rc, out, err = script_helper.assert_python_failure(bc)
          expected_in = os.path.join(prependdir, *fullpath[2:])
          self.assertIn(
              expected_in,
              str(err, encoding=sys.getdefaultencoding())
          )
          self.assertNotIn(
              stripdir,
              str(err, encoding=sys.getdefaultencoding())
          )
  
      def test_strip_prepend_and_ddir(self):
          fullpath = ["test", "build", "real", "path", "ddir"]
          path = os.path.join(self.directory, *fullpath)
          os.makedirs(path)
          script_helper.make_script(path, "test", "1 / 0")
          with self.assertRaises(ValueError):
              compileall.compile_dir(path, quiet=True, ddir="/bar",
                                     stripdir="/foo", prependdir="/bar")
  
      def test_multiple_optimization_levels(self):
          script = script_helper.make_script(self.directory,
                                             "test_optimization",
                                             "a = 0")
          bc = []
          for opt_level in "", 1, 2, 3:
              bc.append(importlib.util.cache_from_source(script,
                                                         optimization=opt_level))
          test_combinations = [[0, 1], [1, 2], [0, 2], [0, 1, 2]]
          for opt_combination in test_combinations:
              compileall.compile_file(script, quiet=True,
                                      optimize=opt_combination)
              for opt_level in opt_combination:
                  self.assertTrue(os.path.isfile(bc[opt_level]))
                  try:
                      os.unlink(bc[opt_level])
                  except Exception:
                      pass
  
      @support.skip_unless_symlink
      def test_ignore_symlink_destination(self):
          # Create folders for allowed files, symlinks and prohibited area
          allowed_path = os.path.join(self.directory, "test", "dir", "allowed")
          symlinks_path = os.path.join(self.directory, "test", "dir", "symlinks")
          prohibited_path = os.path.join(self.directory, "test", "dir", "prohibited")
          os.makedirs(allowed_path)
          os.makedirs(symlinks_path)
          os.makedirs(prohibited_path)
  
          # Create scripts and symlinks and remember their byte-compiled versions
          allowed_script = script_helper.make_script(allowed_path, "test_allowed", "a = 0")
          prohibited_script = script_helper.make_script(prohibited_path, "test_prohibited", "a = 0")
          allowed_symlink = os.path.join(symlinks_path, "test_allowed.py")
          prohibited_symlink = os.path.join(symlinks_path, "test_prohibited.py")
          os.symlink(allowed_script, allowed_symlink)
          os.symlink(prohibited_script, prohibited_symlink)
          allowed_bc = importlib.util.cache_from_source(allowed_symlink)
          prohibited_bc = importlib.util.cache_from_source(prohibited_symlink)
  
          compileall.compile_dir(symlinks_path, quiet=True, limit_sl_dest=allowed_path)
  
          self.assertTrue(os.path.isfile(allowed_bc))
          self.assertFalse(os.path.isfile(prohibited_bc))
  
  
  class CompileallTestsWithSourceEpoch(CompileallTestsBase,
                                       unittest.TestCase,
                                       metaclass=SourceDateEpochTestMeta,
                                       source_date_epoch=True):
      pass
  
  
  class CompileallTestsWithoutSourceEpoch(CompileallTestsBase,
                                          unittest.TestCase,
                                          metaclass=SourceDateEpochTestMeta,
                                          source_date_epoch=False):
      pass
  
  
  class EncodingTest(unittest.TestCase):
      """Issue 6716: compileall should escape source code when printing errors
      to stdout."""
  
      def setUp(self):
          self.directory = tempfile.mkdtemp()
          self.source_path = os.path.join(self.directory, '_test.py')
          with open(self.source_path, 'w', encoding='utf-8') as file:
              file.write('# -*- coding: utf-8 -*-\n')
              file.write('print u"\u20ac"\n')
  
      def tearDown(self):
          shutil.rmtree(self.directory)
  
      def test_error(self):
          try:
              orig_stdout = sys.stdout
              sys.stdout = io.TextIOWrapper(io.BytesIO(),encoding='ascii')
              compileall.compile_dir(self.directory)
          finally:
              sys.stdout = orig_stdout
  
  
  class CommandLineTestsBase:
      """Test compileall's CLI."""
  
      @classmethod
      def setUpClass(cls):
          for path in filter(os.path.isdir, sys.path):
              directory_created = False
              directory = pathlib.Path(path) / '__pycache__'
              path = directory / 'test.try'
              try:
                  if not directory.is_dir():
                      directory.mkdir()
                      directory_created = True
                  with path.open('w') as file:
                      file.write('# for test_compileall')
              except OSError:
                  sys_path_writable = False
                  break
              finally:
                  support.unlink(str(path))
                  if directory_created:
                      directory.rmdir()
          else:
              sys_path_writable = True
          cls._sys_path_writable = sys_path_writable
  
      def _skip_if_sys_path_not_writable(self):
          if not self._sys_path_writable:
              raise unittest.SkipTest('not all entries on sys.path are writable')
  
      def _get_run_args(self, args):
          return [*support.optim_args_from_interpreter_flags(),
                  '-S', '-m', 'compileall',
                  *args]
  
      def assertRunOK(self, *args, **env_vars):
          rc, out, err = script_helper.assert_python_ok(
                           *self._get_run_args(args), **env_vars)
          self.assertEqual(b'', err)
          return out
  
      def assertRunNotOK(self, *args, **env_vars):
          rc, out, err = script_helper.assert_python_failure(
                          *self._get_run_args(args), **env_vars)
          return rc, out, err
  
      def assertCompiled(self, fn):
          path = importlib.util.cache_from_source(fn)
          self.assertTrue(os.path.exists(path))
  
      def assertNotCompiled(self, fn):
          path = importlib.util.cache_from_source(fn)
          self.assertFalse(os.path.exists(path))
  
      def setUp(self):
          self.directory = tempfile.mkdtemp()
          self.addCleanup(support.rmtree, self.directory)
          self.pkgdir = os.path.join(self.directory, 'foo')
          os.mkdir(self.pkgdir)
          self.pkgdir_cachedir = os.path.join(self.pkgdir, '__pycache__')
          # Create the __init__.py and a package module.
          self.initfn = script_helper.make_script(self.pkgdir, '__init__', '')
          self.barfn = script_helper.make_script(self.pkgdir, 'bar', '')
  
      def test_no_args_compiles_path(self):
          # Note that -l is implied for the no args case.
          self._skip_if_sys_path_not_writable()
          bazfn = script_helper.make_script(self.directory, 'baz', '')
          self.assertRunOK(PYTHONPATH=self.directory)
          self.assertCompiled(bazfn)
          self.assertNotCompiled(self.initfn)
          self.assertNotCompiled(self.barfn)
  
      @without_source_date_epoch  # timestamp invalidation test
      def test_no_args_respects_force_flag(self):
          self._skip_if_sys_path_not_writable()
          bazfn = script_helper.make_script(self.directory, 'baz', '')
          self.assertRunOK(PYTHONPATH=self.directory)
          pycpath = importlib.util.cache_from_source(bazfn)
          # Set atime/mtime backward to avoid file timestamp resolution issues
          os.utime(pycpath, (time.time()-60,)*2)
          mtime = os.stat(pycpath).st_mtime
          # Without force, no recompilation
          self.assertRunOK(PYTHONPATH=self.directory)
          mtime2 = os.stat(pycpath).st_mtime
          self.assertEqual(mtime, mtime2)
          # Now force it.
          self.assertRunOK('-f', PYTHONPATH=self.directory)
          mtime2 = os.stat(pycpath).st_mtime
          self.assertNotEqual(mtime, mtime2)
  
      def test_no_args_respects_quiet_flag(self):
          self._skip_if_sys_path_not_writable()
          script_helper.make_script(self.directory, 'baz', '')
          noisy = self.assertRunOK(PYTHONPATH=self.directory)
          self.assertIn(b'Listing ', noisy)
          quiet = self.assertRunOK('-q', PYTHONPATH=self.directory)
          self.assertNotIn(b'Listing ', quiet)
  
      # Ensure that the default behavior of compileall's CLI is to create
      # PEP 3147/PEP 488 pyc files.
      for name, ext, switch in [
          ('normal', 'pyc', []),
          ('optimize', 'opt-1.pyc', ['-O']),
          ('doubleoptimize', 'opt-2.pyc', ['-OO']),
      ]:
          def f(self, ext=ext, switch=switch):
              script_helper.assert_python_ok(*(switch +
                  ['-m', 'compileall', '-q', self.pkgdir]))
              # Verify the __pycache__ directory contents.
              self.assertTrue(os.path.exists(self.pkgdir_cachedir))
              expected = sorted(base.format(sys.implementation.cache_tag, ext)
                                for base in ('__init__.{}.{}', 'bar.{}.{}'))
              self.assertEqual(sorted(os.listdir(self.pkgdir_cachedir)), expected)
              # Make sure there are no .pyc files in the source directory.
              self.assertFalse([fn for fn in os.listdir(self.pkgdir)
                                if fn.endswith(ext)])
          locals()['test_pep3147_paths_' + name] = f
  
      def test_legacy_paths(self):
          # Ensure that with the proper switch, compileall leaves legacy
          # pyc files, and no __pycache__ directory.
          self.assertRunOK('-b', '-q', self.pkgdir)
          # Verify the __pycache__ directory contents.
          self.assertFalse(os.path.exists(self.pkgdir_cachedir))
          expected = sorted(['__init__.py', '__init__.pyc', 'bar.py',
                             'bar.pyc'])
          self.assertEqual(sorted(os.listdir(self.pkgdir)), expected)
  
      def test_multiple_runs(self):
          # Bug 8527 reported that multiple calls produced empty
          # __pycache__/__pycache__ directories.
          self.assertRunOK('-q', self.pkgdir)
          # Verify the __pycache__ directory contents.
          self.assertTrue(os.path.exists(self.pkgdir_cachedir))
          cachecachedir = os.path.join(self.pkgdir_cachedir, '__pycache__')
          self.assertFalse(os.path.exists(cachecachedir))
          # Call compileall again.
          self.assertRunOK('-q', self.pkgdir)
          self.assertTrue(os.path.exists(self.pkgdir_cachedir))
          self.assertFalse(os.path.exists(cachecachedir))
  
      @without_source_date_epoch  # timestamp invalidation test
      def test_force(self):
          self.assertRunOK('-q', self.pkgdir)
          pycpath = importlib.util.cache_from_source(self.barfn)
          # set atime/mtime backward to avoid file timestamp resolution issues
          os.utime(pycpath, (time.time()-60,)*2)
          mtime = os.stat(pycpath).st_mtime
          # without force, no recompilation
          self.assertRunOK('-q', self.pkgdir)
          mtime2 = os.stat(pycpath).st_mtime
          self.assertEqual(mtime, mtime2)
          # now force it.
          self.assertRunOK('-q', '-f', self.pkgdir)
          mtime2 = os.stat(pycpath).st_mtime
          self.assertNotEqual(mtime, mtime2)
  
      def test_recursion_control(self):
          subpackage = os.path.join(self.pkgdir, 'spam')
          os.mkdir(subpackage)
          subinitfn = script_helper.make_script(subpackage, '__init__', '')
          hamfn = script_helper.make_script(subpackage, 'ham', '')
          self.assertRunOK('-q', '-l', self.pkgdir)
          self.assertNotCompiled(subinitfn)
          self.assertFalse(os.path.exists(os.path.join(subpackage, '__pycache__')))
          self.assertRunOK('-q', self.pkgdir)
          self.assertCompiled(subinitfn)
          self.assertCompiled(hamfn)
  
      def test_recursion_limit(self):
          subpackage = os.path.join(self.pkgdir, 'spam')
          subpackage2 = os.path.join(subpackage, 'ham')
          subpackage3 = os.path.join(subpackage2, 'eggs')
          for pkg in (subpackage, subpackage2, subpackage3):
              script_helper.make_pkg(pkg)
  
          subinitfn = os.path.join(subpackage, '__init__.py')
          hamfn = script_helper.make_script(subpackage, 'ham', '')
          spamfn = script_helper.make_script(subpackage2, 'spam', '')
          eggfn = script_helper.make_script(subpackage3, 'egg', '')
  
          self.assertRunOK('-q', '-r 0', self.pkgdir)
          self.assertNotCompiled(subinitfn)
          self.assertFalse(
              os.path.exists(os.path.join(subpackage, '__pycache__')))
  
          self.assertRunOK('-q', '-r 1', self.pkgdir)
          self.assertCompiled(subinitfn)
          self.assertCompiled(hamfn)
          self.assertNotCompiled(spamfn)
  
          self.assertRunOK('-q', '-r 2', self.pkgdir)
          self.assertCompiled(subinitfn)
          self.assertCompiled(hamfn)
          self.assertCompiled(spamfn)
          self.assertNotCompiled(eggfn)
  
          self.assertRunOK('-q', '-r 5', self.pkgdir)
          self.assertCompiled(subinitfn)
          self.assertCompiled(hamfn)
          self.assertCompiled(spamfn)
          self.assertCompiled(eggfn)
  
      @support.skip_unless_symlink
      def test_symlink_loop(self):
          # Currently, compileall ignores symlinks to directories.
          # If that limitation is ever lifted, it should protect against
          # recursion in symlink loops.
          pkg = os.path.join(self.pkgdir, 'spam')
          script_helper.make_pkg(pkg)
          os.symlink('.', os.path.join(pkg, 'evil'))
          os.symlink('.', os.path.join(pkg, 'evil2'))
          self.assertRunOK('-q', self.pkgdir)
          self.assertCompiled(os.path.join(
              self.pkgdir, 'spam', 'evil', 'evil2', '__init__.py'
          ))
  
      def test_quiet(self):
          noisy = self.assertRunOK(self.pkgdir)
          quiet = self.assertRunOK('-q', self.pkgdir)
          self.assertNotEqual(b'', noisy)
          self.assertEqual(b'', quiet)
  
      def test_silent(self):
          script_helper.make_script(self.pkgdir, 'crunchyfrog', 'bad(syntax')
          _, quiet, _ = self.assertRunNotOK('-q', self.pkgdir)
          _, silent, _ = self.assertRunNotOK('-qq', self.pkgdir)
          self.assertNotEqual(b'', quiet)
          self.assertEqual(b'', silent)
  
      def test_regexp(self):
          self.assertRunOK('-q', '-x', r'ba[^\\/]*$', self.pkgdir)
          self.assertNotCompiled(self.barfn)
          self.assertCompiled(self.initfn)
  
      def test_multiple_dirs(self):
          pkgdir2 = os.path.join(self.directory, 'foo2')
          os.mkdir(pkgdir2)
          init2fn = script_helper.make_script(pkgdir2, '__init__', '')
          bar2fn = script_helper.make_script(pkgdir2, 'bar2', '')
          self.assertRunOK('-q', self.pkgdir, pkgdir2)
          self.assertCompiled(self.initfn)
          self.assertCompiled(self.barfn)
          self.assertCompiled(init2fn)
          self.assertCompiled(bar2fn)
  
      def test_d_compile_error(self):
          script_helper.make_script(self.pkgdir, 'crunchyfrog', 'bad(syntax')
          rc, out, err = self.assertRunNotOK('-q', '-d', 'dinsdale', self.pkgdir)
          self.assertRegex(out, b'File "dinsdale')
  
      def test_d_runtime_error(self):
          bazfn = script_helper.make_script(self.pkgdir, 'baz', 'raise Exception')
          self.assertRunOK('-q', '-d', 'dinsdale', self.pkgdir)
          fn = script_helper.make_script(self.pkgdir, 'bing', 'import baz')
          pyc = importlib.util.cache_from_source(bazfn)
          os.rename(pyc, os.path.join(self.pkgdir, 'baz.pyc'))
          os.remove(bazfn)
          rc, out, err = script_helper.assert_python_failure(fn, __isolated=False)
          self.assertRegex(err, b'File "dinsdale')
  
      def test_include_bad_file(self):
          rc, out, err = self.assertRunNotOK(
              '-i', os.path.join(self.directory, 'nosuchfile'), self.pkgdir)
          self.assertRegex(out, b'rror.*nosuchfile')
          self.assertNotRegex(err, b'Traceback')
          self.assertFalse(os.path.exists(importlib.util.cache_from_source(
                                              self.pkgdir_cachedir)))
  
      def test_include_file_with_arg(self):
          f1 = script_helper.make_script(self.pkgdir, 'f1', '')
          f2 = script_helper.make_script(self.pkgdir, 'f2', '')
          f3 = script_helper.make_script(self.pkgdir, 'f3', '')
          f4 = script_helper.make_script(self.pkgdir, 'f4', '')
          with open(os.path.join(self.directory, 'l1'), 'w') as l1:
              l1.write(os.path.join(self.pkgdir, 'f1.py')+os.linesep)
              l1.write(os.path.join(self.pkgdir, 'f2.py')+os.linesep)
          self.assertRunOK('-i', os.path.join(self.directory, 'l1'), f4)
          self.assertCompiled(f1)
          self.assertCompiled(f2)
          self.assertNotCompiled(f3)
          self.assertCompiled(f4)
  
      def test_include_file_no_arg(self):
          f1 = script_helper.make_script(self.pkgdir, 'f1', '')
          f2 = script_helper.make_script(self.pkgdir, 'f2', '')
          f3 = script_helper.make_script(self.pkgdir, 'f3', '')
          f4 = script_helper.make_script(self.pkgdir, 'f4', '')
          with open(os.path.join(self.directory, 'l1'), 'w') as l1:
              l1.write(os.path.join(self.pkgdir, 'f2.py')+os.linesep)
          self.assertRunOK('-i', os.path.join(self.directory, 'l1'))
          self.assertNotCompiled(f1)
          self.assertCompiled(f2)
          self.assertNotCompiled(f3)
          self.assertNotCompiled(f4)
  
      def test_include_on_stdin(self):
          f1 = script_helper.make_script(self.pkgdir, 'f1', '')
          f2 = script_helper.make_script(self.pkgdir, 'f2', '')
          f3 = script_helper.make_script(self.pkgdir, 'f3', '')
          f4 = script_helper.make_script(self.pkgdir, 'f4', '')
          p = script_helper.spawn_python(*(self._get_run_args(()) + ['-i', '-']))
          p.stdin.write((f3+os.linesep).encode('ascii'))
          script_helper.kill_python(p)
          self.assertNotCompiled(f1)
          self.assertNotCompiled(f2)
          self.assertCompiled(f3)
          self.assertNotCompiled(f4)
  
      def test_compiles_as_much_as_possible(self):
          bingfn = script_helper.make_script(self.pkgdir, 'bing', 'syntax(error')
          rc, out, err = self.assertRunNotOK('nosuchfile', self.initfn,
                                             bingfn, self.barfn)
          self.assertRegex(out, b'rror')
          self.assertNotCompiled(bingfn)
          self.assertCompiled(self.initfn)
          self.assertCompiled(self.barfn)
  
      def test_invalid_arg_produces_message(self):
          out = self.assertRunOK('badfilename')
          self.assertRegex(out, b"Can't list 'badfilename'")
  
      def test_pyc_invalidation_mode(self):
          script_helper.make_script(self.pkgdir, 'f1', '')
          pyc = importlib.util.cache_from_source(
              os.path.join(self.pkgdir, 'f1.py'))
          self.assertRunOK('--invalidation-mode=checked-hash', self.pkgdir)
          with open(pyc, 'rb') as fp:
              data = fp.read()
          self.assertEqual(int.from_bytes(data[4:8], 'little'), 0b11)
          self.assertRunOK('--invalidation-mode=unchecked-hash', self.pkgdir)
          with open(pyc, 'rb') as fp:
              data = fp.read()
          self.assertEqual(int.from_bytes(data[4:8], 'little'), 0b01)
  
      @skipUnless(_have_multiprocessing, "requires multiprocessing")
      def test_workers(self):
          bar2fn = script_helper.make_script(self.directory, 'bar2', '')
          files = []
          for suffix in range(5):
              pkgdir = os.path.join(self.directory, 'foo{}'.format(suffix))
              os.mkdir(pkgdir)
              fn = script_helper.make_script(pkgdir, '__init__', '')
              files.append(script_helper.make_script(pkgdir, 'bar2', ''))
  
          self.assertRunOK(self.directory, '-j', '0')
          self.assertCompiled(bar2fn)
          for file in files:
              self.assertCompiled(file)
  
      @mock.patch('compileall.compile_dir')
      def test_workers_available_cores(self, compile_dir):
          with mock.patch("sys.argv",
                          new=[sys.executable, self.directory, "-j0"]):
              compileall.main()
              self.assertTrue(compile_dir.called)
              self.assertEqual(compile_dir.call_args[-1]['workers'], 0)
  
      def test_strip_and_prepend(self):
          fullpath = ["test", "build", "real", "path"]
          path = os.path.join(self.directory, *fullpath)
          os.makedirs(path)
          script = script_helper.make_script(path, "test", "1 / 0")
          bc = importlib.util.cache_from_source(script)
          stripdir = os.path.join(self.directory, *fullpath[:2])
          prependdir = "/foo"
          self.assertRunOK("-s", stripdir, "-p", prependdir, path)
          rc, out, err = script_helper.assert_python_failure(bc)
          expected_in = os.path.join(prependdir, *fullpath[2:])
          self.assertIn(
              expected_in,
              str(err, encoding=sys.getdefaultencoding())
          )
          self.assertNotIn(
              stripdir,
              str(err, encoding=sys.getdefaultencoding())
          )
  
      def test_multiple_optimization_levels(self):
          path = os.path.join(self.directory, "optimizations")
          os.makedirs(path)
          script = script_helper.make_script(path,
                                             "test_optimization",
                                             "a = 0")
          bc = []
          for opt_level in "", 1, 2, 3:
              bc.append(importlib.util.cache_from_source(script,
                                                         optimization=opt_level))
          test_combinations = [["0", "1"],
                               ["1", "2"],
                               ["0", "2"],
                               ["0", "1", "2"]]
          for opt_combination in test_combinations:
              self.assertRunOK(path, *("-o" + str(n) for n in opt_combination))
              for opt_level in opt_combination:
                  self.assertTrue(os.path.isfile(bc[int(opt_level)]))
                  try:
                      os.unlink(bc[opt_level])
                  except Exception:
                      pass
  
      @support.skip_unless_symlink
      def test_ignore_symlink_destination(self):
          # Create folders for allowed files, symlinks and prohibited area
          allowed_path = os.path.join(self.directory, "test", "dir", "allowed")
          symlinks_path = os.path.join(self.directory, "test", "dir", "symlinks")
          prohibited_path = os.path.join(self.directory, "test", "dir", "prohibited")
          os.makedirs(allowed_path)
          os.makedirs(symlinks_path)
          os.makedirs(prohibited_path)
  
          # Create scripts and symlinks and remember their byte-compiled versions
          allowed_script = script_helper.make_script(allowed_path, "test_allowed", "a = 0")
          prohibited_script = script_helper.make_script(prohibited_path, "test_prohibited", "a = 0")
          allowed_symlink = os.path.join(symlinks_path, "test_allowed.py")
          prohibited_symlink = os.path.join(symlinks_path, "test_prohibited.py")
          os.symlink(allowed_script, allowed_symlink)
          os.symlink(prohibited_script, prohibited_symlink)
          allowed_bc = importlib.util.cache_from_source(allowed_symlink)
          prohibited_bc = importlib.util.cache_from_source(prohibited_symlink)
  
          self.assertRunOK(symlinks_path, "-e", allowed_path)
  
          self.assertTrue(os.path.isfile(allowed_bc))
          self.assertFalse(os.path.isfile(prohibited_bc))
  
  
  class CommandLineTestsWithSourceEpoch(CommandLineTestsBase,
                                         unittest.TestCase,
                                         metaclass=SourceDateEpochTestMeta,
                                         source_date_epoch=True):
      pass
  
  
  class CommandLineTestsNoSourceEpoch(CommandLineTestsBase,
                                       unittest.TestCase,
                                       metaclass=SourceDateEpochTestMeta,
                                       source_date_epoch=False):
      pass
  
  
  
  if __name__ == "__main__":
      unittest.main()
  