def notebook_widget(delay=0.5, **kwargs):
"""
Poll the queues and update a html table.
"""
from IPython.core.display import HTML, Javascript, display
# Connect to the server and retrieve status.
conn = client.form_client_connection(**kwargs)
display(HTML(TABLE))
while True:
try:
# Retrieve the data for each queue.
data = client.simple_job_query(conn)
# Reduce the information and update the table.
display(Javascript(JS.format(*[len(x) for x in data.values()])))
# Poll every half second.
time.sleep(delay)
except (KeyboardInterrupt, SystemExit):
return
def gui_watcher():
"""
Polls job information to update a tree view.
"""
# Connect to the server and retrieve status.
conn = client.form_client_connection()
job_data = client.simple_job_query(conn)
# Form a callback for tree updates.
update_callback = partial(client.simple_job_query, conn)
app = QtGui.QApplication(sys.argv)
# Form a model and view.
data = tree_from_jobs(job_data)
model = NamesModel(data)
view = TreeModelView(update_callback)
view.setModel(model)
view.setWindowTitle("IPcluster status")
view.show()
sys.exit(app.exec_())
