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bpo-40334: Rename PyConfig.use_peg to _use_peg_parser (GH-19670)

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* Rename PyConfig.use_peg to _use_peg_parser
* Document PyConfig._use_peg_parser and mark it a deprecated
* Mark -X oldparser option and PYTHONOLDPARSER env var as deprecated
  in the documentation.
* Add use_old_parser() and skip_if_new_parser() to test.support
* Remove sys.flags.use_peg: use_old_parser() uses
  _testinternalcapi.get_configs() instead.
* Enhance test_embed tests
* subprocess._args_from_interpreter_flags() copies -X oldparser
This commit is contained in:
Victor Stinner 2020-04-23 03:03:24 +02:00 • committed by GitHub
parent a25f3c4c8f
commit 1def7754b7
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26 changed files with 83 additions and 54 deletions
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6
Python/bltinmodule.c
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@ -816,12 +816,12 @@ builtin_compile_impl(PyObject *module, PyObject *source, PyObject *filename,
if (str == NULL)
goto error;
int current_use_peg = PyInterpreterState_Get()->config.use_peg;
int current_use_peg = PyInterpreterState_Get()->config._use_peg_parser;
if (flags & PyCF_TYPE_COMMENTS || feature_version >= 0) {
PyInterpreterState_Get()->config.use_peg = 0;
PyInterpreterState_Get()->config._use_peg_parser = 0;
}
result = Py_CompileStringObject(str, filename, start[compile_mode], &cf, optimize);
PyInterpreterState_Get()->config.use_peg = current_use_peg;
PyInterpreterState_Get()->config._use_peg_parser = current_use_peg;
Py_XDECREF(source_copy);
goto finally;