| 1 | n/a | import importlib.util |
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| 2 | n/a | import os |
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| 3 | n/a | import py_compile |
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| 4 | n/a | import shutil |
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| 5 | n/a | import stat |
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| 6 | n/a | import sys |
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| 7 | n/a | import tempfile |
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| 8 | n/a | import unittest |
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| 9 | n/a | |
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| 10 | n/a | from test import support |
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| 11 | n/a | |
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| 12 | n/a | |
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| 13 | n/a | class PyCompileTests(unittest.TestCase): |
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| 14 | n/a | |
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| 15 | n/a | def setUp(self): |
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| 16 | n/a | self.directory = tempfile.mkdtemp() |
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| 17 | n/a | self.source_path = os.path.join(self.directory, '_test.py') |
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| 18 | n/a | self.pyc_path = self.source_path + 'c' |
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| 19 | n/a | self.cache_path = importlib.util.cache_from_source(self.source_path) |
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| 20 | n/a | self.cwd_drive = os.path.splitdrive(os.getcwd())[0] |
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| 21 | n/a | # In these tests we compute relative paths. When using Windows, the |
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| 22 | n/a | # current working directory path and the 'self.source_path' might be |
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| 23 | n/a | # on different drives. Therefore we need to switch to the drive where |
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| 24 | n/a | # the temporary source file lives. |
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| 25 | n/a | drive = os.path.splitdrive(self.source_path)[0] |
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| 26 | n/a | if drive: |
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| 27 | n/a | os.chdir(drive) |
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| 28 | n/a | with open(self.source_path, 'w') as file: |
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| 29 | n/a | file.write('x = 123\n') |
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| 30 | n/a | |
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| 31 | n/a | def tearDown(self): |
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| 32 | n/a | shutil.rmtree(self.directory) |
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| 33 | n/a | if self.cwd_drive: |
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| 34 | n/a | os.chdir(self.cwd_drive) |
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| 35 | n/a | |
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| 36 | n/a | def test_absolute_path(self): |
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| 37 | n/a | py_compile.compile(self.source_path, self.pyc_path) |
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| 38 | n/a | self.assertTrue(os.path.exists(self.pyc_path)) |
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| 39 | n/a | self.assertFalse(os.path.exists(self.cache_path)) |
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| 40 | n/a | |
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| 41 | n/a | def test_do_not_overwrite_symlinks(self): |
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| 42 | n/a | # In the face of a cfile argument being a symlink, bail out. |
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| 43 | n/a | # Issue #17222 |
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| 44 | n/a | try: |
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| 45 | n/a | os.symlink(self.pyc_path + '.actual', self.pyc_path) |
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| 46 | n/a | except (NotImplementedError, OSError): |
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| 47 | n/a | self.skipTest('need to be able to create a symlink for a file') |
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| 48 | n/a | else: |
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| 49 | n/a | assert os.path.islink(self.pyc_path) |
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| 50 | n/a | with self.assertRaises(FileExistsError): |
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| 51 | n/a | py_compile.compile(self.source_path, self.pyc_path) |
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| 52 | n/a | |
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| 53 | n/a | @unittest.skipIf(not os.path.exists(os.devnull) or os.path.isfile(os.devnull), |
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| 54 | n/a | 'requires os.devnull and for it to be a non-regular file') |
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| 55 | n/a | def test_do_not_overwrite_nonregular_files(self): |
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| 56 | n/a | # In the face of a cfile argument being a non-regular file, bail out. |
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| 57 | n/a | # Issue #17222 |
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| 58 | n/a | with self.assertRaises(FileExistsError): |
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| 59 | n/a | py_compile.compile(self.source_path, os.devnull) |
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| 60 | n/a | |
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| 61 | n/a | def test_cache_path(self): |
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| 62 | n/a | py_compile.compile(self.source_path) |
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| 63 | n/a | self.assertTrue(os.path.exists(self.cache_path)) |
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| 64 | n/a | |
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| 65 | n/a | def test_cwd(self): |
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| 66 | n/a | with support.change_cwd(self.directory): |
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| 67 | n/a | py_compile.compile(os.path.basename(self.source_path), |
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| 68 | n/a | os.path.basename(self.pyc_path)) |
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| 69 | n/a | self.assertTrue(os.path.exists(self.pyc_path)) |
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| 70 | n/a | self.assertFalse(os.path.exists(self.cache_path)) |
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| 71 | n/a | |
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| 72 | n/a | def test_relative_path(self): |
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| 73 | n/a | py_compile.compile(os.path.relpath(self.source_path), |
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| 74 | n/a | os.path.relpath(self.pyc_path)) |
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| 75 | n/a | self.assertTrue(os.path.exists(self.pyc_path)) |
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| 76 | n/a | self.assertFalse(os.path.exists(self.cache_path)) |
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| 77 | n/a | |
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| 78 | n/a | @unittest.skipIf(hasattr(os, 'geteuid') and os.geteuid() == 0, |
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| 79 | n/a | 'non-root user required') |
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| 80 | n/a | @unittest.skipIf(os.name == 'nt', |
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| 81 | n/a | 'cannot control directory permissions on Windows') |
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| 82 | n/a | def test_exceptions_propagate(self): |
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| 83 | n/a | # Make sure that exceptions raised thanks to issues with writing |
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| 84 | n/a | # bytecode. |
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| 85 | n/a | # http://bugs.python.org/issue17244 |
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| 86 | n/a | mode = os.stat(self.directory) |
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| 87 | n/a | os.chmod(self.directory, stat.S_IREAD) |
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| 88 | n/a | try: |
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| 89 | n/a | with self.assertRaises(IOError): |
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| 90 | n/a | py_compile.compile(self.source_path, self.pyc_path) |
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| 91 | n/a | finally: |
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| 92 | n/a | os.chmod(self.directory, mode.st_mode) |
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| 93 | n/a | |
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| 94 | n/a | def test_bad_coding(self): |
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| 95 | n/a | bad_coding = os.path.join(os.path.dirname(__file__), 'bad_coding2.py') |
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| 96 | n/a | with support.captured_stderr(): |
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| 97 | n/a | self.assertIsNone(py_compile.compile(bad_coding, doraise=False)) |
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| 98 | n/a | self.assertFalse(os.path.exists( |
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| 99 | n/a | importlib.util.cache_from_source(bad_coding))) |
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| 100 | n/a | |
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| 101 | n/a | @unittest.skipIf(sys.flags.optimize > 0, 'test does not work with -O') |
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| 102 | n/a | def test_double_dot_no_clobber(self): |
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| 103 | n/a | # http://bugs.python.org/issue22966 |
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| 104 | n/a | # py_compile foo.bar.py -> __pycache__/foo.cpython-34.pyc |
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| 105 | n/a | weird_path = os.path.join(self.directory, 'foo.bar.py') |
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| 106 | n/a | cache_path = importlib.util.cache_from_source(weird_path) |
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| 107 | n/a | pyc_path = weird_path + 'c' |
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| 108 | n/a | head, tail = os.path.split(cache_path) |
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| 109 | n/a | penultimate_tail = os.path.basename(head) |
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| 110 | n/a | self.assertEqual( |
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| 111 | n/a | os.path.join(penultimate_tail, tail), |
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| 112 | n/a | os.path.join( |
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| 113 | n/a | '__pycache__', |
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| 114 | n/a | 'foo.bar.{}.pyc'.format(sys.implementation.cache_tag))) |
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| 115 | n/a | with open(weird_path, 'w') as file: |
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| 116 | n/a | file.write('x = 123\n') |
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| 117 | n/a | py_compile.compile(weird_path) |
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| 118 | n/a | self.assertTrue(os.path.exists(cache_path)) |
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| 119 | n/a | self.assertFalse(os.path.exists(pyc_path)) |
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| 120 | n/a | |
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| 121 | n/a | def test_optimization_path(self): |
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| 122 | n/a | # Specifying optimized bytecode should lead to a path reflecting that. |
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| 123 | n/a | self.assertIn('opt-2', py_compile.compile(self.source_path, optimize=2)) |
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| 124 | n/a | |
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| 125 | n/a | |
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| 126 | n/a | if __name__ == "__main__": |
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| 127 | n/a | unittest.main() |
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