after a few tests, it appears that the file is read in pieces: read[0] 131072 bytes from 0 flags: 0x8000 read[0] 131072 bytes from 131072 flags: 0x8000 read[0] 131072 bytes from 262144 flags: 0x8000 ... read[0] 8192 bytes from 917504 flags: 0x8000 read[0] 4096 bytes from 925696 flags: 0x8000
so the problem I was raising is not a problem in practice. I would appreciate your feedback on my xtaffuse module ;-) -- https://mail.python.org/mailman/listinfo/python-list