Le vendredi 08 janvier 2010 22:40:47, Eric Smith a écrit : > >> Shouldn't this encoding guessing be a separate function that you call > >> on either a file or a seekable stream ? > >> > >> After all, detecting encodings is just as useful to have for non-file > >> streams. > > > > Other stream sources typically have out-of-band ways to signal the > > encoding: only when reading from the filesystem do we pretty much > > *have* to guess, and in that case the BOM / signature is the best > > heuristic we have. Also, some non-file streams are not seekable, and so > > can't be guessed via a pre-pass. > > But what if the file were in (for example) a zip file? I think you > definitely want to have access to this functionality outside of open().
FYI my patch (encoding="BOM") is implemented in TextIOWrapper, and TextIOWrapper takes a binary stream as input, not a filename. -- Victor Stinner http://www.haypocalc.com/ _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
