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| author | Victor Stinner <victor.stinner@gmail.com> | 2017-12-12 22:59:48 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-12-12 22:59:48 +0100 |
| commit | 747f48e2e92390c44c72f52a1239959601cde157 (patch) | |
| tree | 502e53b129aee7a393ca6d05e4f93751919a5e1b /Doc/using | |
| parent | b748e3b2586e44bfc7011b601bce9cc6d16d89f1 (diff) | |
| download | cpython-git-747f48e2e92390c44c72f52a1239959601cde157.tar.gz | |
bpo-32230: Set sys.warnoptions with -X dev (#4820)
Rather than supporting dev mode directly in the warnings module, this
instead adjusts the initialisation code to add an extra 'default'
entry to sys.warnoptions when dev mode is enabled.
This ensures that dev mode behaves *exactly* as if `-Wdefault` had
been passed on the command line, including in the way it interacts
with `sys.warnoptions`, and with other command line flags like `-bb`.
Fix also bpo-20361: have -b & -bb options take precedence over any
other warnings options.
Patch written by Nick Coghlan, with minor modifications of Victor Stinner.
Diffstat (limited to 'Doc/using')
| -rw-r--r-- | Doc/using/cmdline.rst | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/Doc/using/cmdline.rst b/Doc/using/cmdline.rst index 716bc821b4..e32f77e7ff 100644 --- a/Doc/using/cmdline.rst +++ b/Doc/using/cmdline.rst @@ -430,11 +430,7 @@ Miscellaneous options not be more verbose than the default if the code is correct: new warnings are only emitted when an issue is detected. Effect of the developer mode: - * Warning filters: add a filter to display all warnings (``"default"`` - action), except of :exc:`BytesWarning` which still depends on the - :option:`-b` option, and use ``"always"`` action for - :exc:`ResourceWarning` warnings. For example, display - :exc:`DeprecationWarning` warnings. + * Add ``default`` warning filter, as :option:`-W` ``default``. * Install debug hooks on memory allocators: see the :c:func:`PyMem_SetupDebugHooks` C function. * Enable the :mod:`faulthandler` module to dump the Python traceback |