未返回给父级的多处理全局变量更新
dataDV03dataDV04
import multiprocessing# NOT ABLE to get python to return values in passed variables.ants = ['DV03', 'DV04']dataDV03 = ['', '']dataDV04 = {'driver': '', 'status': ''}def getDV03CclDrivers(lib): # call global variable
global dataDV03
dataDV03[1] = 1
dataDV03[0] = 0# eval( 'CCL.' + lib + '.' + lib + '( "DV03" )' ) these are unpicklable instantiationsdef getDV04CclDrivers(lib, dataDV04): # pass global variable
dataDV04['driver'] = 0 # eval( 'CCL.' + lib + '.' + lib + '( "DV04" )' )if __name__ == "__main__":
jobs = []
if 'DV03' in ants:
j = multiprocessing.Process(target=getDV03CclDrivers, args=('LORR',))
jobs.append(j)
if 'DV04' in ants:
j = multiprocessing.Process(target=getDV04CclDrivers, args=('LORR', dataDV04))
jobs.append(j)
for j in jobs:
j.start()
for j in jobs:
j.join()
print 'Results:\n'
print 'DV03', dataDV03 print 'DV04', dataDV04In [1]: from CCL import LORR
In [2]: lorr=LORR.LORR('DV20', None)
In [3]: lorr
Out[3]: <CCL.LORR.LORR instance at 0x94b188c>Thread getCcl (('DV20', 'LORR'),)
Process PoolWorker-1:
Traceback (most recent call last):
File "/alma/ACS-10.1/casa/lib/python2.6/multiprocessing/process.py", line 232, in _bootstrap
self.run()
File "/alma/ACS-10.1/casa/lib/python2.6/multiprocessing/process.py", line 88, in run
self._target(*self._args, **self._kwargs)
File "/alma/ACS-10.1/casa/lib/python2.6/multiprocessing/pool.py", line 71, in worker
put((job, i, result))
File "/alma/ACS-10.1/casa/lib/python2.6/multiprocessing/queues.py", line 366, in put
return send(obj)
UnpickleableError: Cannot pickle <type 'thread.lock'> objects开心每一天1111
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