[issue21071] struct.Struct.format is bytes, but should be str
Serhiy Storchaka
report at bugs.python.org
Thu Apr 27 03:05:22 EDT 2017
Serhiy Storchaka added the comment:
After changing the type of Struct.format to str we perhaps should deprecate accepting bytes as format. Currently this can lead to emitting a BytesWarning.
$ ./python -Wa -b
>>> import struct
>>> struct.pack('I', 12345)
b'90\x00\x00'
>>> struct.pack(b'I', 12345)
__main__:1: BytesWarning: Comparison between bytes and string
__main__:1: BytesWarning: Comparison between bytes and string
b'90\x00\x00'
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<http://bugs.python.org/issue21071>
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