New submission from STINNER Victor:
Follow-up of the issue #26567 which added PyErr_ResourceWarning() (C API),
attached patch adds a new source parameter to the warnings.warn() function
(Python API).
source is the destroyed object which emits a ResourceWarning. The source is
used to show the traceback where the object was created (allocated) when
tracemalloc is used.
The patch also changes _pyio, asyncio and asyncore modules to set the source
parameter.
Note: tempfile doesn't set source because it uses a class method:
@classmethod
def _cleanup(cls, name, warn_message):
_shutil.rmtree(name)
_warnings.warn(warn_message, ResourceWarning)
----------
files: warnings_warn_source.patch
keywords: patch
messages: 262137
nosy: haypo
priority: normal
severity: normal
status: open
title: Add optional source parameter to warnings.warn()
type: enhancement
versions: Python 3.6
Added file: http://bugs.python.org/file42236/warnings_warn_source.patch
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Python tracker <[email protected]>
<http://bugs.python.org/issue26604>
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