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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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Lib/test/test_exceptions.py
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@ -178,7 +178,7 @@ class ExceptionTests(unittest.TestCase):
s = '''if True:\n print()\n\texec "mixed tabs and spaces"'''
ckmsg(s, "inconsistent use of tabs and spaces in indentation", TabError)
@unittest.skipIf(sys.flags.use_peg, "Pegen column offsets might be different")
@support.skip_if_new_parser("Pegen column offsets might be different")
def testSyntaxErrorOffset(self):
def check(src, lineno, offset, encoding='utf-8'):
with self.assertRaises(SyntaxError) as cm: