[issue19988] hex() and oct() use __index__ instead of __int__

[Ethan Furman]

Ethan Furman added the comment:

For the record, the true/false values of my Logical type do convert to int, just not the unknown value.

I agree using __int__ is dubious because of float (and Decimal, etc.), which means really the only clean way to solve the issue (definitely for me, and for any one else in a similar situation) is to bring back __hex__, __oct__, and, presumably, __bin__.

To make things even worse, there is a discrepancy between hex() and %x, oct() and %o:

  --> hex(Unknown)
  '0x2'

  --> oct(Unknown)
  '0o2'

  --> '%x' % Unknown
  Traceback (most recent call last):
    File "<stdin>", line 1, in <module>
  TypeError: %x format: a number is required, not Logical

  --> '%o' % Unknown
  Traceback (most recent call last):
    File "<stdin>", line 1, in <module>
  TypeError: %o format: a number is required, not Logical

Which is bizarre when one considers:

  --> '%o' % Truth
  '1'

So if '%o' fails, why doesn't oct()?

Do we reopen this issue, or start a new one?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19988>
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