zimpy_p3.py 文件源码

def _decompress(self, chunk_size=32000):
        """Decompresses the cluster if compression flag was found. Stores
        uncompressed results internally."""

        if not self.compressed:
            return

        self.file_buf.seek(self.ptr + 1)

        # Store uncompressed cluster data for use as uncompressed data
        self.uncomp_buf = BytesIO()

        decomp = lzma.LZMADecompressor()
        while not decomp.eof:
            comp_data = self.file_buf.read(chunk_size)

            uncomp_data = decomp.decompress(comp_data)

            self.uncomp_buf.write(uncomp_data)

        return self.uncomp_buf