def _new_state(self, request, **initial_state):
task_id = re.sub('-', '', str(uuid.uuid4()))
bind_to = binder(request)
if bind_to is None:
raise ImproperlyConfigured('A value is required to bind the task to')
state = {'_id': task_id, '_bound_to': bind_to}
state.update( initial_state )
self.state_store.put_state(task_id, state)
return state
def _new_state(self, request, **initial_state):
task_id = re.sub('-', '', str(uuid.uuid4()))
bind_to = binder(request)
if bind_to is None:
raise ImproperlyConfigured(
'A value is required to bind the task to')
state = {'_id': task_id, '_bound_to': bind_to}
state.update(initial_state)
self.state_store.put_state(task_id, state)
return state
def handle_view(request, *args, **kwargs):
# first get the state for this task, or create state if
# this is an entry point with no state
if config.FLOWS_TASK_ID_PARAM in request.REQUEST:
task_id = request.REQUEST[config.FLOWS_TASK_ID_PARAM]
try:
state = self._get_state(task_id)
except StateNotFound:
logger.debug("Could not find task with ID %s" % task_id)
raise Http404
bound_to = state.get('_bound_to', None)
bind_to = binder(request)
if bound_to is None or bind_to is None or bind_to != bound_to:
logger.debug(
'Will not give task %s as it is bound to %s, not %s' %
(task_id, bound_to, bind_to))
raise Http404
else:
# are we at an entry point? if so, then create some new state
# otherwise we're trying to enter the middle of a flow, which
# is not allowed
if position.is_entry_point():
initial = {}
if '_on_complete' in request.REQUEST:
initial['_on_complete'] = request.REQUEST[
'_on_complete']
state = self._new_state(request, **initial)
else:
logger.debug('Flow position is not an entry point: %s' %
position)
raise Http404
# create the instances required to handle the request
flow_instance = position.create_instance(state, self.state_store,
args, kwargs)
# deal with the request
return flow_instance.handle(request, *args, **kwargs)
def handle_view(request, *args, **kwargs):
# first get the state for this task, or create state if
# this is an entry point with no state
if config.FLOWS_TASK_ID_PARAM in request.REQUEST:
task_id = request.REQUEST[config.FLOWS_TASK_ID_PARAM]
try:
state = self._get_state(task_id)
except StateNotFound:
logger.debug("Could not find task with ID %s" % task_id)
raise Http404
bound_to = state.get('_bound_to', None)
bind_to = binder(request)
if bound_to is None or bind_to is None or bind_to != bound_to:
logger.debug('Will not give task %s as it is bound to %s, not %s' % (task_id, bound_to, bind_to))
raise Http404
else:
# are we at an entry point? if so, then create some new state
# otherwise we're trying to enter the middle of a flow, which
# is not allowed
if position.is_entry_point():
initial = {}
if '_on_complete' in request.REQUEST:
initial['_on_complete'] = request.REQUEST['_on_complete']
state = self._new_state(request, **initial)
else:
logger.debug('Flow position is not an entry point: %s' % position)
raise Http404
# create the instances required to handle the request
flow_instance = position.create_instance(state, self.state_store, args, kwargs)
# deal with the request
return flow_instance.handle(request, *args, **kwargs)