29 lines
560 B
Python
29 lines
560 B
Python
#import zlib
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import uzlib as zlib
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FTEXT = 1
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FHCRC = 2
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FEXTRA = 4
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FNAME = 8
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FCOMMENT = 16
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def decompress(data):
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assert data[0] == 0x1f and data[1] == 0x8b
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assert data[2] == 8
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flg = data[3]
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assert flg & 0xe0 == 0
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i = 10
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if flg & FEXTRA:
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i += data[11] << 8 + data[10] + 2
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if flg & FNAME:
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while data[i]:
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i += 1
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i += 1
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if flg & FCOMMENT:
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while data[i]:
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i += 1
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i += 1
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if flg & FHCRC:
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i += 2
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return zlib.decompress(memoryview(data)[i:], -15)
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