Python extract .zst ZSTD
Python can extract .zst Zstd files using the zstandard package. Zstd is widely supported and available across operating systems. Make a Python function extract_zstd to extract all files and directories inside the .zst file.
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| from pathlib import Path | |
| import tempfile | |
| import tarfile | |
| import zstandard | |
| # pip install zstandard | |
| def extract_zst(archive: Path, out_path: Path): | |
| """extract .zst file | |
| works on Windows, Linux, MacOS, etc. | |
| Parameters | |
| ---------- | |
| archive: pathlib.Path or str | |
| .zst file to extract | |
| out_path: pathlib.Path or str | |
| directory to extract files and directories to | |
| """ | |
| if zstandard is None: | |
| raise ImportError("pip install zstandard") | |
| archive = Path(archive).expanduser() | |
| out_path = Path(out_path).expanduser().resolve() | |
| # need .resolve() in case intermediate relative dir doesn't exist | |
| dctx = zstandard.ZstdDecompressor() | |
| with tempfile.TemporaryFile(suffix=".tar") as ofh: | |
| with archive.open("rb") as ifh: | |
| dctx.copy_stream(ifh, ofh) | |
| ofh.seek(0) | |
| with tarfile.open(fileobj=ofh) as z: | |
| z.extractall(out_path) |
Related: Matlab extract .zst file