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@@ -311,7 +311,8 @@ class Auto(CompressorBase):
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*lz4_data* is the LZ4 result if *compressor* is LZ4 as well, otherwise it is None.
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*lz4_data* is the LZ4 result if *compressor* is LZ4 as well, otherwise it is None.
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"""
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"""
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lz4_data = LZ4_COMPRESSOR.compress(data)
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lz4_data = LZ4_COMPRESSOR.compress(data)
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- ratio = len(lz4_data) / len(data)
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+ # lz4_data includes the compression type header, while data does not yet
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+ ratio = len(lz4_data) / (len(data) + 2)
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if ratio < 0.97:
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if ratio < 0.97:
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return self.compressor, lz4_data
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return self.compressor, lz4_data
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elif ratio < 1:
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elif ratio < 1:
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TW