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from __future__ import with_statement
from Tkinter import *
from importer3 import FakeImporter
def taskwidget(root, task, tick=500):
"A Label widget showing the output of a task every 500 ms"
sv = StringVar(root)
lb = Label(root, textvariable=sv)
def show_outlist():
try:
out = task.outlist[-1]
except IndexError: # no output yet
out = ''
sv.set('%s %s' % (task, out))
root.after(tick, show_outlist)
root.after(0, show_outlist)
return lb
def monitor(tasks):
root = Tk()
for task in tasks:
task.run()
taskwidget(root, task).pack()
root.mainloop()
if __name__ == '__main__':
import plac
with plac.Interpreter(plac.call(FakeImporter)) as i:
tasks = [i.submit('import_file f1'), i.submit('import_file f2')]
monitor(tasks)
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