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0ac71c5480
Where copyright headers were not present, add them to make things clear. (Bitbake rev: e591325b2bd901c381003deb96a7b32a7148e93e) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> (cherry picked from commit 1aa338a216350a2751fff52f866039343e9ac013) Signed-off-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
31 lines
830 B
Python
31 lines
830 B
Python
#
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# Copyright BitBake Contributors
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#
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# SPDX-License-Identifier: GPL-2.0-only
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#
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import bb.compress._pipecompress
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import shutil
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def open(*args, **kwargs):
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return bb.compress._pipecompress.open_wrap(ZstdFile, *args, **kwargs)
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class ZstdFile(bb.compress._pipecompress.PipeFile):
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def __init__(self, *args, num_threads=1, compresslevel=3, **kwargs):
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self.num_threads = num_threads
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self.compresslevel = compresslevel
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super().__init__(*args, **kwargs)
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def _get_zstd(self):
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if self.num_threads == 1 or not shutil.which("pzstd"):
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return ["zstd"]
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return ["pzstd", "-p", "%d" % self.num_threads]
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def get_compress(self):
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return self._get_zstd() + ["-c", "-%d" % self.compresslevel]
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def get_decompress(self):
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return self._get_zstd() + ["-d", "-c"]
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