[issue19619] Blacklist base64, hex, ... codecs from bytes.decode() and str.encode()

[Nick Coghlan]

Nick Coghlan added the comment:

- switched the private flag from being set in a class method to using a keyword only parameter to __init__
- updated the codecs.h comment as MAL suggested

----------
Added file: http://bugs.python.org/file32773/issue19619_blacklist_transforms_py34_keyword_only_param.diff

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19619>
_______________________________________