def _p_initialize(self, conn=None):
Persistent._p_initialize(self, conn)
filename = self._p_conn.filename
base = path_join(abspath(dirname(filename)),
'%s.anonymous' %filename)
uuid = uuid4()
p1 = path_join(base, uuid[:2])
p2 = path_join(p1, uuid[2:4])
if not exists(base):
self._p_filename = ((base, p1, p2), path_join(p2, uuid[4:]))
self.uuid = uuid
return
for i in xrange(20):
uuid = uuid4()
p1 = path_join(base, uuid[:2])
p2 = path_join(p1, uuid[2:4])
p3 = path_join(p2, uuid[4:])
if exists(p1):
if exists(p2):
if exists(p3):
continue
else:
self._p_filename = p3
self.uuid = uuid
break
else:
self._p_filename = ((p2, ), p3)
self.uuid = uuid
break
else:
self._p_filename = ((p1, p2), p3)
self.uuid = uuid
break
try:
if self.uuid:
return
except AttributeError:
raise RuntimeError('generate uuid faild')
def _p_release(self): Persistent._p_release(self) filename = self._p_conn.filename base = path_join(abspath(dirname(filename)), '%s.anonymous' %filename) uuid = self.uuid p1 = path_join(base, uuid[:2]) p2 = path_join(p1, uuid[2:4]) p3 = path_join(p2, uuid[4:]) if not exists(p3): return remove(p3) for i in (p2, p1, base): try: rmdir(i) except OSError, e: if e.errno == 39: return raise
