diff options
| -rw-r--r-- | dedup/compression.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/dedup/compression.py b/dedup/compression.py index 4385f1d..cc65bbf 100644 --- a/dedup/compression.py +++ b/dedup/compression.py @@ -1,6 +1,9 @@ import struct +import sys import zlib +crc32_type = "L" if sys.version_info.major >= 3 else "l" + class GzipDecompressor(object): """An interface to gzip which is similar to bz2.BZ2Decompressor and lzma.LZMADecompressor.""" @@ -60,7 +63,7 @@ class GzipDecompressor(object): elif not self.sawheader: return self.inbuffer else: - expect = struct.pack("<ll", self.crc, self.size) + expect = struct.pack("<" + crc32_type + "L", self.crc, self.size) if self.inbuffer.startswith(expect) and \ self.inbuffer[len(expect):].replace(b"\0", b"") == b"": return b"" |