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'''http://stackoverflow.com/questions/1514120/python-implementation-of-the-object-pool-design-pattern'''
class qObj():
_q = None
o = None
def __init__(self, dQ, autoGet = False):
self._q = dQ
if autoGet == True:
self.o = self._q.get()
def __enter__(self):
if self.o == None:
self.o = self._q.get()
return self.o
def __exit__(self, type, value, traceback):
if self.o != None:
self._q.put(self.o)
self.o = None
def __del__(self):
if self.o != None:
self._q.put(self.o)
self.o = None
if __name__ == "__main__":
import queue
def testObj(Q):
someObj = qObj(Q, True)
print('Inside func: {}'.format(someObj.o))
aQ = queue.Queue()
aQ.put("yam")
with qObj(aQ) as obj:
print("Inside with: {}".format(obj))
print('Outside with: {}'.format(aQ.get()))
aQ.put("sam")
testObj(aQ)
print('Outside func: {}'.format(aQ.get()))
if not aQ.empty():
print(aQ.get())
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