python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/test/test_py_compile.py

@@ -0,0 +1,127 @@
+import importlib.util
+import os
+import py_compile
+import shutil
+import stat
+import sys
+import tempfile
+import unittest
+
+from test import support
+
+
+class PyCompileTests(unittest.TestCase):
+
+    def setUp(self):
+        self.directory = tempfile.mkdtemp(dir=os.getcwd())
+        self.source_path = os.path.join(self.directory, '_test.py')
+        self.pyc_path = self.source_path + 'c'
+        self.cache_path = importlib.util.cache_from_source(self.source_path)
+        self.cwd_drive = os.path.splitdrive(os.getcwd())[0]
+        # In these tests we compute relative paths.  When using Windows, the
+        # current working directory path and the 'self.source_path' might be
+        # on different drives.  Therefore we need to switch to the drive where
+        # the temporary source file lives.
+        drive = os.path.splitdrive(self.source_path)[0]
+        if drive:
+            os.chdir(drive)
+        with open(self.source_path, 'w') as file:
+            file.write('x = 123\n')
+
+    def tearDown(self):
+        shutil.rmtree(self.directory)
+        if self.cwd_drive:
+            os.chdir(self.cwd_drive)
+
+    def test_absolute_path(self):
+        py_compile.compile(self.source_path, self.pyc_path)
+        self.assertTrue(os.path.exists(self.pyc_path))
+        self.assertFalse(os.path.exists(self.cache_path))
+
+    def test_do_not_overwrite_symlinks(self):
+        # In the face of a cfile argument being a symlink, bail out.
+        # Issue #17222
+        try:
+            os.symlink(self.pyc_path + '.actual', self.pyc_path)
+        except (NotImplementedError, OSError):
+            self.skipTest('need to be able to create a symlink for a file')
+        else:
+            assert os.path.islink(self.pyc_path)
+            with self.assertRaises(FileExistsError):
+                py_compile.compile(self.source_path, self.pyc_path)
+
+    @unittest.skipIf(not os.path.exists(os.devnull) or os.path.isfile(os.devnull),
+                     'requires os.devnull and for it to be a non-regular file')
+    def test_do_not_overwrite_nonregular_files(self):
+        # In the face of a cfile argument being a non-regular file, bail out.
+        # Issue #17222
+        with self.assertRaises(FileExistsError):
+            py_compile.compile(self.source_path, os.devnull)
+
+    def test_cache_path(self):
+        py_compile.compile(self.source_path)
+        self.assertTrue(os.path.exists(self.cache_path))
+
+    def test_cwd(self):
+        with support.change_cwd(self.directory):
+            py_compile.compile(os.path.basename(self.source_path),
+                               os.path.basename(self.pyc_path))
+        self.assertTrue(os.path.exists(self.pyc_path))
+        self.assertFalse(os.path.exists(self.cache_path))
+
+    def test_relative_path(self):
+        py_compile.compile(os.path.relpath(self.source_path),
+                           os.path.relpath(self.pyc_path))
+        self.assertTrue(os.path.exists(self.pyc_path))
+        self.assertFalse(os.path.exists(self.cache_path))
+
+    @unittest.skipIf(hasattr(os, 'geteuid') and os.geteuid() == 0,
+                     'non-root user required')
+    @unittest.skipIf(os.name == 'nt',
+                     'cannot control directory permissions on Windows')
+    def test_exceptions_propagate(self):
+        # Make sure that exceptions raised thanks to issues with writing
+        # bytecode.
+        # http://bugs.python.org/issue17244
+        mode = os.stat(self.directory)
+        os.chmod(self.directory, stat.S_IREAD)
+        try:
+            with self.assertRaises(IOError):
+                py_compile.compile(self.source_path, self.pyc_path)
+        finally:
+            os.chmod(self.directory, mode.st_mode)
+
+    def test_bad_coding(self):
+        bad_coding = os.path.join(os.path.dirname(__file__), 'bad_coding2.py')
+        with support.captured_stderr():
+            self.assertIsNone(py_compile.compile(bad_coding, doraise=False))
+        self.assertFalse(os.path.exists(
+            importlib.util.cache_from_source(bad_coding)))
+
+    @unittest.skipIf(sys.flags.optimize > 0, 'test does not work with -O')
+    def test_double_dot_no_clobber(self):
+        # http://bugs.python.org/issue22966
+        # py_compile foo.bar.py -> __pycache__/foo.cpython-34.pyc
+        weird_path = os.path.join(self.directory, 'foo.bar.py')
+        cache_path = importlib.util.cache_from_source(weird_path)
+        pyc_path = weird_path + 'c'
+        head, tail = os.path.split(cache_path)
+        penultimate_tail = os.path.basename(head)
+        self.assertEqual(
+            os.path.join(penultimate_tail, tail),
+            os.path.join(
+                '__pycache__',
+                'foo.bar.{}.pyc'.format(sys.implementation.cache_tag)))
+        with open(weird_path, 'w') as file:
+            file.write('x = 123\n')
+        py_compile.compile(weird_path)
+        self.assertTrue(os.path.exists(cache_path))
+        self.assertFalse(os.path.exists(pyc_path))
+
+    def test_optimization_path(self):
+        # Specifying optimized bytecode should lead to a path reflecting that.
+        self.assertIn('opt-2', py_compile.compile(self.source_path, optimize=2))
+
+
+if __name__ == "__main__":
+    unittest.main()