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Make the Python implementation of warnings compatible with the C implementation regarding non-callable showwarning

This commit is contained in:
Benjamin Peterson 2008-05-06 22:31:52 +00:00
parent d295032910
commit 323c40d48c
1 changed files with 3 additions and 0 deletions
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3
Lib/warnings.py
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@ -278,6 +278,9 @@ def warn_explicit(message, category, filename, lineno,
_show_warning(message, category, filename, lineno) _show_warning(message, category, filename, lineno)
else: else:
warn(showwarning_msg, DeprecationWarning) warn(showwarning_msg, DeprecationWarning)
if not callable(showwarning):
raise TypeError("warnings.showwarning() must be set to a "
"function or method")
# Print message and context # Print message and context
showwarning(message, category, filename, lineno) showwarning(message, category, filename, lineno)