def __init__(self, tt_time_shift):
self._panel = (1, START_PANEL_DATA)
self._lock = threading.Lock()
self._cond = InterruptibleCondition(self._lock)
self._exclusive_token = None
self.db = Database()
self.tt_time_shift = tt_time_shift
class State(object):
def __init__(self, tt_time_shift):
self._panel = (1, START_PANEL_DATA)
self._lock = threading.Lock()
self._cond = InterruptibleCondition(self._lock)
self._exclusive_token = None
self.db = Database()
self.tt_time_shift = tt_time_shift
def make_client(self, token=None):
return Client(BASE_URL, consumer=self.db['consumer'], token=token)
def make_client_by_card(self, card_uid):
# raises KeyError if specified card was not found
return self.make_client(self.db['cards'][card_uid]['token'])
@property
def panel(self):
return self._panel
def set_panel(self, panel_data):
panel_index, _ = self._panel
self._panel = panel_index + 1, panel_data
self._cond.notify_all()
def wait_panel_exclusive(self, timeout=None):
if self._exclusive_token is not None:
self._cond.notify_all()
token = _ExclusiveToken()
self._exclusive_token = token
self._cond.wait(timeout)
if self._exclusive_token is not token:
raise ExclusiveError
self._exclusive_token = None
def __enter__(self):
self._lock.acquire()
return self
def __exit__(self, exc_type, exc_val, exc_tb):
self._lock.release()