Oren Tirosh <oren-py-d@hishome.net> writes: > It overloads the meaning of the error handling argument in an > unintuitive way. It gets to the point where it's much more than > just error handling - it's actually extending the functionality of > the codec. Isn't that precisely the meaning fo "to handle"? 3 : to act on or perform a required function with regard to <handle the day's mail> It produces a replacement text, just in the same way as "ignore" or "replace" produce replacement texts. > Why implement yet another name-based registry? Namespaces are one honking great idea -- let's do more of those! > There must be a simpler way to do it. Propose one. > What are the use cases? Maybe a simple extension to charmap would > be enough for all the practical cases? The primary use case is XML: how do you efficiently use xml charrefs. Notice that you can *not* use the charmap codec, since the underlying encoding may not be based on the charmap codec. In addition, it allows to give a more detailed analysis of an encoding error, as it exposes the string position where the error occurs. This allows to determine a "best" encoding (i.e. one that needs the fewest amounts of exceptions, or the one that has the longest sequences of same encodings). > Me too. But if you really don't want it to be rejected you should > try to find a way to make it simpler. Can you please elaborate why you think this is difficult? Is this a concern about - the implementation of the PEP, or - the implementation of error handlers, or - the usage of error handlers? I couldn't really believe that you find usage of this feature difficult: just pass an error handling string to your codec just as you currently do. > > > While you are waiting for PEP 293 to complete, please do > > consider cleaning up htmlentitydefs to provide mappings from > > and to Unicode characters. > > No problem. The question is whether anyone depends on its current form. > My proposed changes: > > 1. Use all lowercase entity names as keys. That is probably a bad idea. Atleast for XHTML, the case of entity references is normative. Even for HTML 4, it would be good if this precisely matches the DTD. You could provide a case-insensitive lookup function in addition. > 2. Map "entityname" to u"\uXXXX" (currently it's mapped to "&#nnnn;") I think htmlentitydefs.entitydefs must stay as-is, for compatibility. Instead, I'd suggest to add additional objects/functions. Of course, the data should be present only once - all other functions/dictionaries could be derived. > In its current form I find htmlentitydefs.py pretty useless. Names in the > input in arbitrary case will not match the MixedCase keys in the entitydefs > dictionary and the decimal character reference isn't really more useful than > the named entity reference. Indeed. However, people probably rely on its specific contents, so any more useful access to the data must preserve entitydefs in its current form. Regards, Martin
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