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test_embed may fail if PYTHONSTARTUP set #157006
Description
Bug report
Bug description:
The Visual Studio Code Python Extension (https://marketplace.visualstudio.com/items?itemName=ms-python.python) added what it calls "Shell Integration" recently. That adds aPYTHONSTARTUP environment variable to the environment variables of terminals it starts pointing to a file pythonrc.py. That changes the prompt the REPL prints and adds various hooks.
Changing what is printed breaks test_embed (./python -m test test_embed) which has some direct assertions on what is printed:
0:00:00 load avg: 0.20 mem: 41.2 MiB [1/1] test_embed
test test_embed failed -- Traceback (most recent call last):
File "/home/$USER/projects/python/cpython/Lib/test/test_embed.py", line 621, in test_init_run_main_interactive_exitcode
self.check_program_exitcode("test_init_run_main_interactive_exitcode",
~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
input=code,
^^^^^^^^^^^
check_stderr=False)
^^^^^^^^^^^^^^^^^^^
File "/home/$USER/projects/python/cpython/Lib/test/test_embed.py", line 602, in check_program_exitcode
self.assertEqual(out.rstrip(), 'ok! Py_RunMain() returned 123')
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 'Ctrl click to launch VS Code Native REPL\nok! Py_RunMain() returned 123' != 'ok! Py_RunMain() returned 123'
- Ctrl click to launch VS Code Native REPL
ok! Py_RunMain() returned 123
0:00:06 load avg: 0.51 mem: 42.1 MiB [1/1/1] test_embed failed (1 failure)test_embed should clear / ignore the environment in this test (as it does many others).
CPython versions tested on:
CPython main branch
Operating systems tested on:
Linux
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