[Python-ideas] Add "htmlcharrefreplace" error handler

[M.-A. Lemburg]

On 11.06.2013 16:49, Serhiy Storchaka wrote:
> I propose to add "htmlcharrefreplace" error handler which is similar to "xmlcharrefreplace" error
> handler but use html entity names if possible.
> 
>>>> '∀ x∈ℜ'.encode('ascii', 'xmlcharrefreplace')
> b'∀ x∈ℜ'
>>>> '∀ x∈ℜ'.encode('ascii', 'htmlcharrefreplace')
> b'∀ x∈ℜ'
> 
> Possible implementation:
> 
> import codecs
> from html.entities import codepoint2name
> 
> def htmlcharrefreplace_errors(exc):
>     if not isinstance(exc, UnicodeEncodeError):
>         raise exc
>     try:
>         replace = r'&%s;' % codepoint2name[ord(exc.object[exc.start])]
>     except KeyError:
>         return codecs.xmlcharrefreplace_errors(exc)
>     return replace, exc.start + 1
> 
> codecs.register_error('htmlcharrefreplace', htmlcharrefreplace_errors)
> 
> Even if do not register this handler from the start, it may be worth to provide
> htmlcharrefreplace_errors() in the html or html.entities module.

+1 on that one as well :-)

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Marc-Andre Lemburg
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