25 def open(filename, mode="rb", compresslevel=_COMPRESS_LEVEL_BEST,  argument
58         binary_file = GzipFile(filename, gz_mode, compresslevel)
60         binary_file = GzipFile(None, gz_mode, compresslevel, filename)
135                  compresslevel=_COMPRESS_LEVEL_BEST, fileobj=None, mtime=None):  argument
201             self.compress = zlib.compressobj(compresslevel,
213             self._write_gzip_header(compresslevel)
240     def _write_gzip_header(self, compresslevel):  argument
261         if compresslevel == _COMPRESS_LEVEL_BEST:
263         elif compresslevel == _COMPRESS_LEVEL_FAST:
543 def compress(data, compresslevel=_COMPRESS_LEVEL_BEST, *, mtime=None):  argument
548     with GzipFile(fileobj=buf, mode='wb', compresslevel=compresslevel, mtime=mtime) as f:
574     compresslevel = _COMPRESS_LEVEL_TRADEOFF
576         compresslevel = _COMPRESS_LEVEL_FAST
578         compresslevel = _COMPRESS_LEVEL_BEST
594                              compresslevel=compresslevel)