def _async_wait(self):
if self.returncode is None:
raise asyncio.InvalidStateError('Result is not ready for %s' %
(self, ))
else:
# This calls _unregister, so don't call it until pid status
# is available.
super(SubProcess, self)._async_wait()
def _async_wait(self):
"""
Override _async_wait to asynchronously unlock self._build_dir
when necessary.
"""
if self._build_dir is None:
SpawnProcess._async_wait(self)
elif self._build_dir_unlock is None:
if self.returncode is None:
raise asyncio.InvalidStateError('Result is not ready.')
self._async_unlock_builddir(returncode=self.returncode)
def wait(self):
"""
Wait for the returncode attribute to become ready, and return
it. If the returncode is not ready and the event loop is already
running, then the async_wait() method should be used instead of
wait(), because wait() will raise asyncio.InvalidStateError in
this case.
@rtype: int
@returns: the value of self.returncode
"""
if self.returncode is None:
if self.scheduler.is_running():
raise asyncio.InvalidStateError('Result is not ready.')
self.scheduler.run_until_complete(self.async_wait())
self._wait_hook()
return self.returncode