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jsbain/checkthreads.py Secret

Created Nov 28, 2017
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checkthreads.py
import threading,ui
from objc_util import *
c.dispatch_queue_get_label.argtypes=[c_void_p]
c.dispatch_queue_get_label.restype=c_char_p
DISPATCH_CURRENT_QUEUE_LABEL=c_void_p(0)
def checkThread(case=''):
currentLabel = c.dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL)
currenThread=threading.current_thread()
print(case,currentLabel,currenThread)
def b1():
checkThread('undecorated')
@on_main_thread
def b2():
checkThread('on_main_thread')
@ui.in_background
def b3():
checkThread('in_background')
def b4():
def d():
checkThread('delayed')
ui.delay(d,0.1)
def b5():
def d():
checkThread('animated')
s.y=s.y+1
def c():
checkThread('animatcompletion')
ui.animate(d,0.1,completion=c)
class timerview(ui.View):
def update(self):
print('##### Called from UI (press each button)')
checkThread('update')
self.update_interval=0.
v=timerview(frame=(0,0,400,400))
v.update_interval=2.
s=ui.SegmentedControl()
s.segments=('ui','main','back','delay','animate')
def a(sender):
print(s.selected_index)
if s.selected_index==0:
b1()
elif s.selected_index==1:
b2()
elif s.selected_index==2:
b3()
elif s.selected_index==3:
b4()
elif s.selected_index==4:
b5()
s.action=a
s.size_to_fit()
v.add_subview(s)
s.width=400
def threadtest():
b1()
b2()
b3()
b4()
b5()
print('##### current thread:')
checkThread()
print('##### things running from a thread:')
t=threading.Thread(target=threadtest)
t.start()
t.join()
v.present('sheet')
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