def test_del_running_brick(self):
"""If the brick is running, it cannot be removed."""
factory = stubs.Factory()
brick = factory.new_brick("_stub", "test_brick")
self.assertEqual(brick, successResultOf(self, brick.poweron()))
self.assertRaises(BrickRunningError, factory.del_brick, brick)
self.assertEqual(factory.bricks, [brick])
self.assertTrue(is_running(brick))
def quit(self):
if any(is_running(brick) for brick in self.bricks):
msg = _("Cannot close virtualbricks: there are running bricks")
raise errors.BrickRunningError(msg)
logger.info(engine_bye)
for e in self.events:
e.poweroff()
self._notify("quit", self)
if not self.quit_d.called:
self.quit_d.callback(None)
def reset(self):
if any(is_running(brick) for brick in self.bricks):
msg = _("Project cannot be closed: there are running bricks")
raise errors.BrickRunningError(msg)
# Don't change the list while iterating over it
for brick in list(self.bricks):
if is_virtualmachine(brick):
brick.image_changed.disconnect(self._image_changed)
self.del_brick(brick)
# Don't change the list while iterating over it
for e in list(self.events):
self.del_event(e)
del self.socks[:]
for image in self.disk_images[:]:
self.remove_disk_image(image)
def del_brick(self, brick):
if is_running(brick):
msg = "Cannot delete brick {0:n}: brick is running".format(brick)
raise errors.BrickRunningError(msg)
logger.info(remove_brick, brick=brick.name)
socks = set(brick.socks)
if socks:
logger.info(remove_socks,
socks=", ".join(s.nickname for s in socks))
for _brick in self.bricks:
for plug in _brick.plugs:
if plug.configured() and plug.sock in socks:
logger.info(disconnect_plug, sock=plug.sock.nickname)
plug.disconnect()
for sock in [s for s in self.socks if s.brick is brick]:
self.socks.remove(sock)
for plug in brick.plugs:
if plug.configured():
plug.disconnect()
self.bricks.remove(brick)
brick.changed.disconnect(self._brick_changed)
self._notify("brick-removed", brick)
def saturate_if_stopped(brick, pixbuf):
if not is_running(brick):
pixbuf.saturate_and_pixelate(pixbuf, 0.0, True)
return pixbuf
