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Add a source parameter to warnings.warn()

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Issue #26604:

* Add a new optional source parameter to _warnings.warn() and warnings.warn()
* Modify asyncore, asyncio and _pyio modules to set the source parameter when
  logging a ResourceWarning warning
This commit is contained in:
Victor Stinner 2016-03-23 00:28:08 +01:00
parent 060f9bb602
commit e19558af1b
13 changed files with 34 additions and 19 deletions
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4
Lib/warnings.py
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@ -233,7 +233,7 @@ def _next_external_frame(frame):
# Code typically replaced by _warnings
def warn(message, category=None, stacklevel=1):
def warn(message, category=None, stacklevel=1, source=None):
"""Issue a warning, or maybe ignore it or raise an exception."""
# Check if message is already a Warning object
if isinstance(message, Warning):
@ -283,7 +283,7 @@ def warn(message, category=None, stacklevel=1):
filename = module
registry = globals.setdefault("__warningregistry__", {})
warn_explicit(message, category, filename, lineno, module, registry,
globals)
globals, source)
def warn_explicit(message, category, filename, lineno,
module=None, registry=None, module_globals=None,