[issue28927] bytes.fromhex should ignore all whitespace

[Terry J. Reedy]

Terry J. Reedy added the comment:

I am a bit dubious about this.  There is a tradeoff here between convenience and bug detection.  The patch is not strictly necessary.

>>> bytes.fromhex('ab\ncd'.replace('\n', ''))
b'\xab\xcd'

Bytes (and bytearray) .fromhex already ignores spaces.  Not ignoring newlines, by default, may have been intentional.  Nick, you wrote the doc entry for 'fromhex'.  Do you know anything about the design intention?

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nosy: +ncoghlan, terry.reedy

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<http://bugs.python.org/issue28927>
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