Alexander Belopolsky <belopol...@users.sourceforge.net> added the comment:
Ezio and I discussed on IRC the implementation of alias lookup and neither of us was able to point out to the function that strips non-alphanumeric characters from encoding names. It turns out that there are three "normalize" functions that are successively applied to the encoding name during evaluation of str.encode/str.decode. 1. normalize_encoding() in unicodeobject.c 2. normalizestring() in codecs.c 3. normalize_encoding() in encodings/__init__.py Each performs a slightly different transformation and only the last one strips non-alphanumeric characters. The complexity of codec lookup is comparable with that of the import mechanism! ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue5902> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
