from datetime import timedelta
SAME = b"0"
DIFF = b"1"
COMPLEN = len(SAME) # SAME/DIFF length
LOCAL_FADVISE = 1
REMOTE_FADVISE = 2
if callable(getattr(os, "posix_fadvise", False)):
from os import posix_fadvise, POSIX_FADV_NOREUSE, POSIX_FADV_DONTNEED
fadvise = lambda fileobj, offset, length, advice: posix_fadvise(fileobj.fileno(), offset, length, advice)
else:
try:
from fadvise import set_advice, POSIX_FADV_NOREUSE, POSIX_FADV_DONTNEED
fadvise = lambda fileobj, offset, length, advice: set_advice(fileobj, advice, offset, length)
except:
fadvise = None
if fadvise:
USE_DONTNEED = sys.platform.startswith('linux')
USE_NOREUSE = not(USE_DONTNEED)
else:
USE_NOREUSE = USE_DONTNEED = False
def do_create(f, size):
f = open(f, 'a', 0)
f.truncate(size)
f.close()
from datetime import timedelta
SAME = b"0"
DIFF = b"1"
COMPLEN = len(SAME) # SAME/DIFF length
LOCAL_FADVISE = 1
REMOTE_FADVISE = 2
if callable(getattr(os, "posix_fadvise", False)):
from os import posix_fadvise, POSIX_FADV_NOREUSE, POSIX_FADV_DONTNEED
fadvise = lambda fileobj, offset, length, advice: posix_fadvise(fileobj.fileno(), offset, length, advice)
else:
try:
from fadvise import set_advice, POSIX_FADV_NOREUSE, POSIX_FADV_DONTNEED
fadvise = lambda fileobj, offset, length, advice: set_advice(fileobj, advice, offset, length)
except:
fadvise = None
if fadvise:
USE_DONTNEED = sys.platform.startswith('linux')
USE_NOREUSE = not(USE_DONTNEED)
else:
USE_NOREUSE = USE_DONTNEED = False
def do_create(f, size):
f = open(f, 'a', 0)
f.truncate(size)
f.close()