[issue17878] There is no way to get a list of available codecs

[Paul Moore]

Paul Moore added the comment:

@doerwalter In that case, I'd take the view that such a codec should simply not return anything. The discovery mechanism can be limited to returning only statically discoverable codec names (and it can be documented as such).

The original use case was to support functionality like iconv -l. Omitting edge cases like this is probably reasonable in that context.

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<http://bugs.python.org/issue17878>
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