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A 'stoppable' thread for Python
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# source: https://www.safaribooksonline.com/library/view/python-cookbook-2nd/0596007973/ch09s03.html | |
import threading | |
class TestThread(threading.Thread): | |
def _ _init_ _(self, name='TestThread'): | |
""" constructor, setting initial variables """ | |
self._stopevent = threading.Event( ) | |
self._sleepperiod = 1.0 | |
threading.Thread._ _init_ _(self, name=name) | |
def run(self): | |
""" main control loop """ | |
print "%s starts" % (self.getName( ),) | |
count = 0 | |
while not self._stopevent.isSet( ): | |
count += 1 | |
print "loop %d" % (count,) | |
self._stopevent.wait(self._sleepperiod) | |
print "%s ends" % (self.getName( ),) | |
def join(self, timeout=None): | |
""" Stop the thread and wait for it to end. """ | |
self._stopevent.set( ) | |
threading.Thread.join(self, timeout) | |
if _ _name_ _ == "_ _main_ _": | |
testthread = TestThread( ) | |
testthread.start( ) | |
import time | |
time.sleep(5.0) | |
testthread.join( ) |
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