New submission from Ruben Vorderman <r.h.p.vorder...@lumc.nl>:
zlib.compress can now only be used to output zlib blocks. Arguably `zlib.compress(my_data, level, wbits=-15)` is even more useful as it gives you a raw deflate block. That is quite interesting if you are writing your own file format and want to use compression, but like to use a different hash. Also gzip.compress(data, level, mtime) is extremely slow due to it instantiating a GzipFile object which then streams a bytes object. Explicitly not taking advantage of the fact that the bytes object is entirely in memory already (I will create another bug for this). zlib.compress(my_data, level, wbits=31) should be faster in all possible circumstances, but that option is not available now. ---------- components: Library (Lib) messages: 389437 nosy: rhpvorderman priority: normal severity: normal status: open title: zlib.compress should have a wbits argument versions: Python 3.10 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue43612> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
