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-rw-r--r--bitbake/lib/bb/compress/zstd.py30
1 files changed, 30 insertions, 0 deletions
diff --git a/bitbake/lib/bb/compress/zstd.py b/bitbake/lib/bb/compress/zstd.py
new file mode 100644
index 0000000000..cdbbe9d60f
--- /dev/null
+++ b/bitbake/lib/bb/compress/zstd.py
@@ -0,0 +1,30 @@
+#
+# Copyright BitBake Contributors
+#
+# 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"]