def _try_acquire(self, blocking, watch, exclusive):
try:
gotten = self._trylock(self.lockfile, exclusive)
except Exception as e:
raise threading.ThreadError(
"Unable to acquire lock on {} due to {}!".format(self.path, e))
if gotten:
return True
if not blocking or watch.expired():
return False
raise _utils.RetryAgain()
def _try_acquire(self, blocking, watch):
try:
self.trylock()
except IOError as e:
if e.errno in (errno.EACCES, errno.EAGAIN):
if not blocking or watch.expired():
return False
else:
raise _utils.RetryAgain()
else:
raise threading.ThreadError("Unable to acquire lock on"
" `%(path)s` due to"
" %(exception)s" % {
'path': self.path,
'exception': e,
})
else:
return True