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[3.12] Doc: devmode: add -Xdev option to example (GH-106253) #106804

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Jul 16, 2023
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[3.12] Doc: devmode: add -Xdev option to example (GH-106253) #106804

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2 changes: 1 addition & 1 deletion Doc/library/devmode.rst
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Expand Up @@ -58,7 +58,7 @@
memory allocators, set the :envvar:`PYTHONMALLOC` environment variable to
``default``.

* Call :func:`faulthandler.enable` at Python startup to install handlers for

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py:const reference target not found: SIGILL
the :const:`SIGSEGV`, :const:`SIGFPE`, :const:`SIGABRT`, :const:`SIGBUS` and
:const:`SIGILL` signals to dump the Python traceback on a crash.

Expand All @@ -81,7 +81,7 @@
ignored for empty strings.

* The :class:`io.IOBase` destructor logs ``close()`` exceptions.
* Set the :attr:`~sys.flags.dev_mode` attribute of :attr:`sys.flags` to

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py:attr reference target not found: sys.flags.dev_mode
``True``.

The Python Development Mode does not enable the :mod:`tracemalloc` module by
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.. code-block:: shell-session

$ python script.py
$ python -X dev script.py
import os
script.py:10: ResourceWarning: unclosed file <_io.TextIOWrapper name='script.py' mode='r' encoding='UTF-8'>
main()
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