bpo-20443: No longer make sys.argv[0] absolute for script (GH-17534)

In Python 3.9.0a1, sys.argv[0] was made an asolute path if a filename
was specified on the command line. Revert this change, since most
users expect sys.argv to be unmodified.

2 files changed, 5 insertions, 5 deletions

diff --git a/Lib/test/test_cmd_line_script.py b/Lib/test/test_cmd_line_script.py
index 2ac926d..adfb8ce 100644
--- a/Lib/test/test_cmd_line_script.py
+++ b/Lib/test/test_cmd_line_script.py
@@ -223,12 +223,13 @@ class CmdLineTest(unittest.TestCase):
 
     def test_script_abspath(self):
         # pass the script using the relative path, expect the absolute path
-        # in __file__ and sys.argv[0]
+        # in __file__
         with support.temp_cwd() as script_dir:
             self.assertTrue(os.path.isabs(script_dir), script_dir)
 
             script_name = _make_test_script(script_dir, 'script')
-            self._check_script(os.path.basename(script_name), script_name, script_name,
+            relative_name = os.path.basename(script_name)
+            self._check_script(relative_name, script_name, relative_name,
                                script_dir, None,
                                importlib.machinery.SourceFileLoader)
 
diff --git a/Lib/test/test_embed.py b/Lib/test/test_embed.py
index b87863a..60f7f7a 100644
--- a/Lib/test/test_embed.py
+++ b/Lib/test/test_embed.py
@@ -858,10 +858,9 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
         preconfig = {
             'allocator': PYMEM_ALLOCATOR_DEBUG,
         }
-        script_abspath = os.path.abspath('script.py')
         config = {
-            'argv': [script_abspath],
-            'run_filename': script_abspath,
+            'argv': ['script.py'],
+            'run_filename': os.path.abspath('script.py'),
             'dev_mode': 1,
             'faulthandler': 1,
             'warnoptions': ['default'],