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			384 lines
		
	
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			384 lines
		
	
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import sys
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import compileall
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import importlib.util
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import os
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import py_compile
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import shutil
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import struct
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import tempfile
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import time
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import unittest
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import io
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from test import support, script_helper
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class CompileallTests(unittest.TestCase):
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    def setUp(self):
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        self.directory = tempfile.mkdtemp()
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        self.source_path = os.path.join(self.directory, '_test.py')
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        self.bc_path = importlib.util.cache_from_source(self.source_path)
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        with open(self.source_path, 'w') as file:
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            file.write('x = 123\n')
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        self.source_path2 = os.path.join(self.directory, '_test2.py')
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        self.bc_path2 = importlib.util.cache_from_source(self.source_path2)
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        shutil.copyfile(self.source_path, self.source_path2)
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        self.subdirectory = os.path.join(self.directory, '_subdir')
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        os.mkdir(self.subdirectory)
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        self.source_path3 = os.path.join(self.subdirectory, '_test3.py')
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        shutil.copyfile(self.source_path, self.source_path3)
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    def tearDown(self):
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        shutil.rmtree(self.directory)
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    def data(self):
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        with open(self.bc_path, 'rb') as file:
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            data = file.read(8)
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        mtime = int(os.stat(self.source_path).st_mtime)
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        compare = struct.pack('<4sl', importlib.util.MAGIC_NUMBER, mtime)
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        return data, compare
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    @unittest.skipUnless(hasattr(os, 'stat'), 'test needs os.stat()')
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    def recreation_check(self, metadata):
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        """Check that compileall recreates bytecode when the new metadata is
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        used."""
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        py_compile.compile(self.source_path)
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        self.assertEqual(*self.data())
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        with open(self.bc_path, 'rb') as file:
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            bc = file.read()[len(metadata):]
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        with open(self.bc_path, 'wb') as file:
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            file.write(metadata)
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            file.write(bc)
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        self.assertNotEqual(*self.data())
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        compileall.compile_dir(self.directory, force=False, quiet=True)
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        self.assertTrue(*self.data())
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    def test_mtime(self):
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        # Test a change in mtime leads to a new .pyc.
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        self.recreation_check(struct.pack('<4sl', importlib.util.MAGIC_NUMBER,
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                                          1))
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    def test_magic_number(self):
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        # Test a change in mtime leads to a new .pyc.
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        self.recreation_check(b'\0\0\0\0')
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    def test_compile_files(self):
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        # Test compiling a single file, and complete directory
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        for fn in (self.bc_path, self.bc_path2):
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            try:
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                os.unlink(fn)
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            except:
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                pass
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        compileall.compile_file(self.source_path, force=False, quiet=True)
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        self.assertTrue(os.path.isfile(self.bc_path) and
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                        not os.path.isfile(self.bc_path2))
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        os.unlink(self.bc_path)
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        compileall.compile_dir(self.directory, force=False, quiet=True)
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        self.assertTrue(os.path.isfile(self.bc_path) and
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                        os.path.isfile(self.bc_path2))
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        os.unlink(self.bc_path)
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        os.unlink(self.bc_path2)
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    def test_no_pycache_in_non_package(self):
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        # Bug 8563 reported that __pycache__ directories got created by
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        # compile_file() for non-.py files.
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        data_dir = os.path.join(self.directory, 'data')
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        data_file = os.path.join(data_dir, 'file')
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        os.mkdir(data_dir)
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        # touch data/file
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        with open(data_file, 'w'):
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            pass
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        compileall.compile_file(data_file)
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        self.assertFalse(os.path.exists(os.path.join(data_dir, '__pycache__')))
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    def test_optimize(self):
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        # make sure compiling with different optimization settings than the
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        # interpreter's creates the correct file names
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        optimize = 1 if __debug__ else 0
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        compileall.compile_dir(self.directory, quiet=True, optimize=optimize)
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        cached = importlib.util.cache_from_source(self.source_path,
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                                                  debug_override=not optimize)
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        self.assertTrue(os.path.isfile(cached))
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        cached2 = importlib.util.cache_from_source(self.source_path2,
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                                                   debug_override=not optimize)
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        self.assertTrue(os.path.isfile(cached2))
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        cached3 = importlib.util.cache_from_source(self.source_path3,
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                                                   debug_override=not optimize)
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        self.assertTrue(os.path.isfile(cached3))
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class EncodingTest(unittest.TestCase):
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    """Issue 6716: compileall should escape source code when printing errors
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    to stdout."""
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    def setUp(self):
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        self.directory = tempfile.mkdtemp()
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        self.source_path = os.path.join(self.directory, '_test.py')
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        with open(self.source_path, 'w', encoding='utf-8') as file:
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            file.write('# -*- coding: utf-8 -*-\n')
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            file.write('print u"\u20ac"\n')
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    def tearDown(self):
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        shutil.rmtree(self.directory)
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    def test_error(self):
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        try:
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            orig_stdout = sys.stdout
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            sys.stdout = io.TextIOWrapper(io.BytesIO(),encoding='ascii')
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            compileall.compile_dir(self.directory)
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        finally:
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            sys.stdout = orig_stdout
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class CommandLineTests(unittest.TestCase):
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    """Test compileall's CLI."""
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    def _get_run_args(self, args):
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        interp_args = ['-S']
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        if sys.flags.optimize:
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            interp_args.append({1 : '-O', 2 : '-OO'}[sys.flags.optimize])
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        return interp_args + ['-m', 'compileall'] + list(args)
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    def assertRunOK(self, *args, **env_vars):
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        rc, out, err = script_helper.assert_python_ok(
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                         *self._get_run_args(args), **env_vars)
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        self.assertEqual(b'', err)
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        return out
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    def assertRunNotOK(self, *args, **env_vars):
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        rc, out, err = script_helper.assert_python_failure(
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                        *self._get_run_args(args), **env_vars)
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        return rc, out, err
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    def assertCompiled(self, fn):
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        path = importlib.util.cache_from_source(fn)
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        self.assertTrue(os.path.exists(path))
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    def assertNotCompiled(self, fn):
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        path = importlib.util.cache_from_source(fn)
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        self.assertFalse(os.path.exists(path))
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    def setUp(self):
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        self.addCleanup(self._cleanup)
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        self.directory = tempfile.mkdtemp()
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        self.pkgdir = os.path.join(self.directory, 'foo')
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        os.mkdir(self.pkgdir)
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        self.pkgdir_cachedir = os.path.join(self.pkgdir, '__pycache__')
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        # Create the __init__.py and a package module.
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        self.initfn = script_helper.make_script(self.pkgdir, '__init__', '')
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        self.barfn = script_helper.make_script(self.pkgdir, 'bar', '')
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    def _cleanup(self):
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        support.rmtree(self.directory)
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    def test_no_args_compiles_path(self):
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        # Note that -l is implied for the no args case.
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        bazfn = script_helper.make_script(self.directory, 'baz', '')
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        self.assertRunOK(PYTHONPATH=self.directory)
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        self.assertCompiled(bazfn)
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        self.assertNotCompiled(self.initfn)
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        self.assertNotCompiled(self.barfn)
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    def test_no_args_respects_force_flag(self):
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        bazfn = script_helper.make_script(self.directory, 'baz', '')
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        self.assertRunOK(PYTHONPATH=self.directory)
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        pycpath = importlib.util.cache_from_source(bazfn)
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        # Set atime/mtime backward to avoid file timestamp resolution issues
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        os.utime(pycpath, (time.time()-60,)*2)
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        mtime = os.stat(pycpath).st_mtime
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        # Without force, no recompilation
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        self.assertRunOK(PYTHONPATH=self.directory)
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        mtime2 = os.stat(pycpath).st_mtime
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        self.assertEqual(mtime, mtime2)
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        # Now force it.
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        self.assertRunOK('-f', PYTHONPATH=self.directory)
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        mtime2 = os.stat(pycpath).st_mtime
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        self.assertNotEqual(mtime, mtime2)
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    def test_no_args_respects_quiet_flag(self):
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        script_helper.make_script(self.directory, 'baz', '')
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        noisy = self.assertRunOK(PYTHONPATH=self.directory)
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        self.assertIn(b'Listing ', noisy)
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        quiet = self.assertRunOK('-q', PYTHONPATH=self.directory)
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        self.assertNotIn(b'Listing ', quiet)
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    # Ensure that the default behavior of compileall's CLI is to create
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    # PEP 3147 pyc/pyo files.
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    for name, ext, switch in [
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        ('normal', 'pyc', []),
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        ('optimize', 'pyo', ['-O']),
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        ('doubleoptimize', 'pyo', ['-OO']),
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    ]:
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        def f(self, ext=ext, switch=switch):
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            script_helper.assert_python_ok(*(switch +
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                ['-m', 'compileall', '-q', self.pkgdir]))
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            # Verify the __pycache__ directory contents.
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            self.assertTrue(os.path.exists(self.pkgdir_cachedir))
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            expected = sorted(base.format(sys.implementation.cache_tag, ext)
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                              for base in ('__init__.{}.{}', 'bar.{}.{}'))
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            self.assertEqual(sorted(os.listdir(self.pkgdir_cachedir)), expected)
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            # Make sure there are no .pyc files in the source directory.
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            self.assertFalse([fn for fn in os.listdir(self.pkgdir)
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                              if fn.endswith(ext)])
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        locals()['test_pep3147_paths_' + name] = f
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    def test_legacy_paths(self):
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        # Ensure that with the proper switch, compileall leaves legacy
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        # pyc/pyo files, and no __pycache__ directory.
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        self.assertRunOK('-b', '-q', self.pkgdir)
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        # Verify the __pycache__ directory contents.
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        self.assertFalse(os.path.exists(self.pkgdir_cachedir))
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        opt = 'c' if __debug__ else 'o'
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        expected = sorted(['__init__.py', '__init__.py' + opt, 'bar.py',
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                           'bar.py' + opt])
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        self.assertEqual(sorted(os.listdir(self.pkgdir)), expected)
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    def test_multiple_runs(self):
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        # Bug 8527 reported that multiple calls produced empty
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        # __pycache__/__pycache__ directories.
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        self.assertRunOK('-q', self.pkgdir)
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        # Verify the __pycache__ directory contents.
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        self.assertTrue(os.path.exists(self.pkgdir_cachedir))
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        cachecachedir = os.path.join(self.pkgdir_cachedir, '__pycache__')
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        self.assertFalse(os.path.exists(cachecachedir))
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        # Call compileall again.
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        self.assertRunOK('-q', self.pkgdir)
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        self.assertTrue(os.path.exists(self.pkgdir_cachedir))
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        self.assertFalse(os.path.exists(cachecachedir))
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    def test_force(self):
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        self.assertRunOK('-q', self.pkgdir)
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        pycpath = importlib.util.cache_from_source(self.barfn)
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        # set atime/mtime backward to avoid file timestamp resolution issues
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        os.utime(pycpath, (time.time()-60,)*2)
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        mtime = os.stat(pycpath).st_mtime
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        # without force, no recompilation
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        self.assertRunOK('-q', self.pkgdir)
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        mtime2 = os.stat(pycpath).st_mtime
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        self.assertEqual(mtime, mtime2)
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        # now force it.
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        self.assertRunOK('-q', '-f', self.pkgdir)
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        mtime2 = os.stat(pycpath).st_mtime
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        self.assertNotEqual(mtime, mtime2)
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    def test_recursion_control(self):
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        subpackage = os.path.join(self.pkgdir, 'spam')
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        os.mkdir(subpackage)
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        subinitfn = script_helper.make_script(subpackage, '__init__', '')
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        hamfn = script_helper.make_script(subpackage, 'ham', '')
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        self.assertRunOK('-q', '-l', self.pkgdir)
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        self.assertNotCompiled(subinitfn)
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        self.assertFalse(os.path.exists(os.path.join(subpackage, '__pycache__')))
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        self.assertRunOK('-q', self.pkgdir)
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        self.assertCompiled(subinitfn)
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        self.assertCompiled(hamfn)
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    def test_quiet(self):
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        noisy = self.assertRunOK(self.pkgdir)
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        quiet = self.assertRunOK('-q', self.pkgdir)
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        self.assertNotEqual(b'', noisy)
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        self.assertEqual(b'', quiet)
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    def test_regexp(self):
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        self.assertRunOK('-q', '-x', r'ba[^\\/]*$', self.pkgdir)
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        self.assertNotCompiled(self.barfn)
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        self.assertCompiled(self.initfn)
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    def test_multiple_dirs(self):
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        pkgdir2 = os.path.join(self.directory, 'foo2')
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        os.mkdir(pkgdir2)
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        init2fn = script_helper.make_script(pkgdir2, '__init__', '')
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        bar2fn = script_helper.make_script(pkgdir2, 'bar2', '')
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        self.assertRunOK('-q', self.pkgdir, pkgdir2)
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        self.assertCompiled(self.initfn)
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        self.assertCompiled(self.barfn)
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        self.assertCompiled(init2fn)
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        self.assertCompiled(bar2fn)
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    def test_d_takes_exactly_one_dir(self):
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        rc, out, err = self.assertRunNotOK('-d', 'foo')
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        self.assertEqual(out, b'')
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        self.assertRegex(err, b'-d')
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        rc, out, err = self.assertRunNotOK('-d', 'foo', 'bar')
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        self.assertEqual(out, b'')
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        self.assertRegex(err, b'-d')
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    def test_d_compile_error(self):
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        script_helper.make_script(self.pkgdir, 'crunchyfrog', 'bad(syntax')
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        rc, out, err = self.assertRunNotOK('-q', '-d', 'dinsdale', self.pkgdir)
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        self.assertRegex(out, b'File "dinsdale')
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    def test_d_runtime_error(self):
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        bazfn = script_helper.make_script(self.pkgdir, 'baz', 'raise Exception')
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        self.assertRunOK('-q', '-d', 'dinsdale', self.pkgdir)
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        fn = script_helper.make_script(self.pkgdir, 'bing', 'import baz')
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        pyc = importlib.util.cache_from_source(bazfn)
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        os.rename(pyc, os.path.join(self.pkgdir, 'baz.pyc'))
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        os.remove(bazfn)
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        rc, out, err = script_helper.assert_python_failure(fn, __isolated=False)
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        self.assertRegex(err, b'File "dinsdale')
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    def test_include_bad_file(self):
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        rc, out, err = self.assertRunNotOK(
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            '-i', os.path.join(self.directory, 'nosuchfile'), self.pkgdir)
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        self.assertRegex(out, b'rror.*nosuchfile')
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        self.assertNotRegex(err, b'Traceback')
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        self.assertFalse(os.path.exists(importlib.util.cache_from_source(
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                                            self.pkgdir_cachedir)))
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    def test_include_file_with_arg(self):
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        f1 = script_helper.make_script(self.pkgdir, 'f1', '')
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        f2 = script_helper.make_script(self.pkgdir, 'f2', '')
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        f3 = script_helper.make_script(self.pkgdir, 'f3', '')
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        f4 = script_helper.make_script(self.pkgdir, 'f4', '')
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        with open(os.path.join(self.directory, 'l1'), 'w') as l1:
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            l1.write(os.path.join(self.pkgdir, 'f1.py')+os.linesep)
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            l1.write(os.path.join(self.pkgdir, 'f2.py')+os.linesep)
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        self.assertRunOK('-i', os.path.join(self.directory, 'l1'), f4)
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        self.assertCompiled(f1)
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        self.assertCompiled(f2)
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        self.assertNotCompiled(f3)
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        self.assertCompiled(f4)
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    def test_include_file_no_arg(self):
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        f1 = script_helper.make_script(self.pkgdir, 'f1', '')
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        f2 = script_helper.make_script(self.pkgdir, 'f2', '')
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        f3 = script_helper.make_script(self.pkgdir, 'f3', '')
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        f4 = script_helper.make_script(self.pkgdir, 'f4', '')
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        with open(os.path.join(self.directory, 'l1'), 'w') as l1:
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            l1.write(os.path.join(self.pkgdir, 'f2.py')+os.linesep)
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        self.assertRunOK('-i', os.path.join(self.directory, 'l1'))
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        self.assertNotCompiled(f1)
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        self.assertCompiled(f2)
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        self.assertNotCompiled(f3)
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        self.assertNotCompiled(f4)
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    def test_include_on_stdin(self):
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        f1 = script_helper.make_script(self.pkgdir, 'f1', '')
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        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'")
 | 
						|
 | 
						|
 | 
						|
if __name__ == "__main__":
 | 
						|
    unittest.main()
 |