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gh-103109: Add documentation for `ignore_warnings` by CharlieZhao95 · Pull Request #103110 · python/cpython · GitHub

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gh-103109: Add documentation for ignore_warnings #103110

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Merged
erlend-aasland merged 5 commits into from
Apr 2, 2023
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gh-103109: Add documentation for ignore_warnings #103110

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e86de80
Add docs for `ignore_warnings`
CharlieZhao95 Mar 29, 2023
69cf474
Update Doc/library/test.rst
CharlieZhao95 Mar 30, 2023
51764fb
Update Doc/library/test.rst
CharlieZhao95 Mar 31, 2023
0626568
Fix trailing whitespace and line width
CharlieZhao95 Mar 31, 2023
0c8e310
Update Doc/library/test.rst
CharlieZhao95 Apr 1, 2023
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15 changes: 15 additions & 0 deletions Doc/library/test.rst
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Expand Up @@ -1691,6 +1691,21 @@ The :mod:`test.support.warnings_helper` module provides support for warnings tes
.. versionadded:: 3.10


.. function:: ignore_warnings(*, category)

Suppress warnings that are instances of *category*,
which must be :exc:`Warning` or a subclass.
Roughly equivalent to :func:`warnings.catch_warnings`
with :meth:`warnings.simplefilter('ignore', category=category) <warnings.simplefilter>`.
For example::

@warning_helper.ignore_warnings(category=DeprecationWarning)
def test_suppress_warning():
# do something
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.. versionadded:: 3.8


.. function:: check_no_resource_warning(testcase)

Context manager to check that no :exc:`ResourceWarning` was raised. You
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2 changes: 1 addition & 1 deletion Lib/test/support/warnings_helper.py
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Expand Up @@ -44,7 +44,7 @@ def check_syntax_warning(testcase, statement, errtext='',


def ignore_warnings(*, category):
"""Decorator to suppress deprecation warnings.
"""Decorator to suppress warnings.

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