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bpo-26789: Fix logging.FileHandler._open() at exit (GH-23053)

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The logging.FileHandler class now keeps a reference to the builtin
open() function to be able to open or reopen the file during Python
finalization.

Fix errors like:

    Exception ignored in: (...)
    Traceback (most recent call last):
      (...)
      File ".../logging/__init__.py", line 1463, in error
      File ".../logging/__init__.py", line 1577, in _log
      File ".../logging/__init__.py", line 1587, in handle
      File ".../logging/__init__.py", line 1649, in callHandlers
      File ".../logging/__init__.py", line 948, in handle
      File ".../logging/__init__.py", line 1182, in emit
      File ".../logging/__init__.py", line 1171, in _open
    NameError: name 'open' is not defined
This commit is contained in:
Victor Stinner 2020-11-02 23:17:46 +01:00 • committed by GitHub
parent 5cf4782a26
commit 45df61fd2d
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4 changed files with 50 additions and 8 deletions
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Python/_warnings.c
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@ -852,7 +852,7 @@ setup_context(Py_ssize_t stack_level, PyObject **filename, int *lineno,
}
if (f == NULL) {
globals = _PyInterpreterState_GET()->sysdict;
globals = tstate->interp->sysdict;
*filename = PyUnicode_FromString("sys");
*lineno = 1;
}