Use sys.exc_info()
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@ -760,7 +760,8 @@ class MyURLopener(urllib.FancyURLopener):
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try:
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names = os.listdir(path)
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except os.error, msg:
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raise IOError, msg, sys.exc_traceback
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exc_type, exc_value, exc_tb = sys.exc_info()
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raise IOError, msg, exc_tb
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names.sort()
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s = MyStringIO("file:"+url, {'content-type': 'text/html'})
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s.write('<BASE HREF="file:%s">\n' %
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