| # |
| # SPDX-License-Identifier: GPL-2.0-only |
| # |
| |
| import bb.compress._pipecompress |
| import shutil |
| |
| |
| def open(*args, **kwargs): |
| return bb.compress._pipecompress.open_wrap(ZstdFile, *args, **kwargs) |
| |
| |
| class ZstdFile(bb.compress._pipecompress.PipeFile): |
| def __init__(self, *args, num_threads=1, compresslevel=3, **kwargs): |
| self.num_threads = num_threads |
| self.compresslevel = compresslevel |
| super().__init__(*args, **kwargs) |
| |
| def _get_zstd(self): |
| if self.num_threads == 1 or not shutil.which("pzstd"): |
| return ["zstd"] |
| return ["pzstd", "-p", "%d" % self.num_threads] |
| |
| def get_compress(self): |
| return self._get_zstd() + ["-c", "-%d" % self.compresslevel] |
| |
| def get_decompress(self): |
| return self._get_zstd() + ["-d", "-c"] |