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bug [ 839151 ] attempt to access sys.argv when it doesn't exist

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This commit is contained in:
Georg Brandl 2005-06-26 22:53:29 +00:00
parent 1f149642c9
commit 12fe9b4ce4
1 changed files with 5 additions and 1 deletions
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6
Lib/warnings.py
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@ -50,7 +50,11 @@ def warn(message, category=None, stacklevel=1):
filename = filename[:-1]
else:
if module == "__main__":
filename = sys.argv[0]
try:
filename = sys.argv[0]
except AttributeError:
# embedded interpreters don't have sys.argv, see bug #839151
filename = '__main__'
if not filename:
filename = module
registry = globals.setdefault("__warningregistry__", {})