[Python-Dev] Getting a list of registered codecs
mal at egenix.com
Tue Apr 30 12:18:27 CEST 2013
On 30.04.2013 11:52, Paul Moore wrote:
> On 30 April 2013 10:42, M.-A. Lemburg <mal at egenix.com> wrote:
>> It would be possible to get a list of registered codec search functions,
>> but there's no API to ask the search functions for a list of supported
> OK, so there's no way to determine in advance what values of enc will work
> in bytestr.decode(enc) or str.encode(enc)?
> Is there a reason why not?
Nothing in particular, except maybe that it can be expensive to generate
such a list (e.g. you'd have to verify that the codec modules import
correctly and provide the needed getregentry() API).
> As I say, a tool that offers to re-encode a file
> could reasonably be expected to list the encodings it supported (if only to
> help the user work out which way to spell utf-16le or utf16le or utf16-le
> or utf-16-le or... :-))
> I've raised http://bugs.python.org/issue17878 for this. Further discussion
> may be more appropriate there than on python-dev.
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