def newView(request):
form = ParamForm(request.POST)
# check whether it's valid:
if request.method == 'POST' and 'btnform3' in request.POST:
for i in range(len(ID)):
task_id = ID[i]
task = AsyncResult(task_id)
progress = task.state
PROGRESS[i] = progress
task_id = FormGet.task_id
task = AsyncResult(FormGet.task_id)
progress = task.state
# time.sleep(1)
if task.ready():
getval = task.get()
ID_ind=ID.index(task_id)
PROGRESS[ID_ind]=task.state
#getval = getval.encode('utf-8')
#getval = base64.b64decode(getval)
#response = HttpResponse(getval, content_type='image/png')
#response['Content-Length'] = str(len(response.content))
return render_to_response('grapher/status_complete.html', {'form': form,'image': getval,'progress':PROGRESS,'ID' : ID})
return render(request, 'grapher/completion_status.html', {'form': form, 'progress': PROGRESS,'ID' : ID})
def dismiss_session_task( request, task_id ):
"""Dismiss a task from session_tasks.
Removes 'startd' fields bc datetime objects not serializable to JSON.
"""
newtasks = {}
tasks = request.session.get(settings.CELERY_TASKS_SESSION_KEY, {})
for tid in tasks.keys():
if tid != task_id:
task = tasks[tid]
if task.get('startd',None):
task.pop('startd')
newtasks[tid] = task
request.session[settings.CELERY_TASKS_SESSION_KEY] = newtasks
def imagedisplay(request):
task_id = FormGet.task_id
task = AsyncResult(FormGet.task_id)
for i in range(len(ID)):
task_id = ID[i]
task = AsyncResult(task_id)
progress = task.state
PROGRESS[i] = progress
getval = task.get()
IMAGE.append(getval)
if task.ready():
# getval = task.get()
# progress = task.state
i = inspect()
a=12
return render_to_response('grapher/png_template.html', { 'image': IMAGE,'apple':a})
def session_tasks( request ):
"""Gets task statuses from Celery API, appends to task dicts from session.
This function is used to generate the list of pending/successful/failed tasks
in the webapp page notification area.
@param request: A Django request object
@return tasks: a dict with task_id for key
"""
# basic tasks info from session:
# task_id, action ('name' argument of @task), start time, args
tasks = request.session.get(settings.CELERY_TASKS_SESSION_KEY, {})
# add entity URLs
for task_id in tasks.keys():
task = tasks.get(task_id, None)
if task and task['action'] in ['webui-file-new-master',
'webui-file-new-mezzanine',
'webui-file-new-access']:
# Add entity_url to task for newly-created file
repo,org,cid,eid = task['entity_id'].split('-')
task['entity_url'] = reverse('webui-entity', args=[repo,org,cid,eid])
# Hit the celery-task_status view for status updates on each task.
# get status, retval from celery
# TODO Don't create a new ctask/task dict here!!! >:-O
traceback = None
for task_id in tasks.keys():
# Skip the HTTP and get directly from Celery API
# djcelery.views.task_status
result = AsyncResult(task_id)
state, retval = result.state, result.result
response_data = {'id': task_id, 'status': state, 'result': retval}
if state in states.EXCEPTION_STATES:
traceback = result.traceback
response_data.update({'result': safe_repr(retval),
'exc': get_full_cls_name(retval.__class__),
'traceback': traceback})
# end djcelery.views.task_status
task = response_data
# construct collection/entity/file urls if possible
if task:
ctask = tasks[task['id']]
ctask['status'] = task.get('status', None)
ctask['result'] = task.get('result', None)
# try to convert 'result' into a collection/entity/file URL
if (ctask['status'] != 'FAILURE') and ctask['result']:
r = ctask['result']
if type(r) == type({}):
if r.get('id', None):
oid = Identifier(r['id'])
object_url = reverse('webui-%s' % oid.model, args=oid.parts.values())
ctask['%s_url' % oid.model] = object_url
tasks[task['id']] = ctask
# pretty status messages
for task_id in tasks.keys():
task = tasks[task_id]
action = task.get('action', None)
if action:
messages = TASK_STATUS_MESSAGES.get(action, None)
status = task.get('status', None)
template = None
if messages and status:
template = messages.get(status, None)
if template:
msg = template.format(**task)
task['message'] = msg
# indicate if task is dismiss or not
for task_id in tasks.keys():
task = tasks[task_id]
if task.get('status', None):
task['dismissable'] = (task['status'] in TASK_STATUSES_DISMISSABLE)
# include traceback in task if present
if traceback:
task['traceback'] = traceback
# done
return tasks
