mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-11-01 18:51:43 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 21

2to3 run of multiprocessing examples.

Browse source 
mp_benchmarks, mp_newtypes and mp_distribution are still broken but the others are working properly. We should include the examples in our unit test suite ...
This commit is contained in:
Christian Heimes 2008-11-28 11:23:26 +00:00
parent 94e0772989
commit aae1b70a83
6 changed files with 177 additions and 177 deletions
Download patch file Download diff file Expand all files Collapse all files

80
Doc/includes/mp_synchronize.py
View file

@ -3,7 +3,7 @@
#
import time, sys, random
from Queue import Empty
from queue import Empty
import multiprocessing # may get overwritten
@ -15,7 +15,7 @@ def value_func(running, mutex):
time.sleep(random.random()*4)
mutex.acquire()
print '\n\t\t\t' + str(multiprocessing.current_process()) + ' has finished'
print('\n\t\t\t' + str(multiprocessing.current_process()) + ' has finished')
running.value -= 1
mutex.release()
@ -31,12 +31,12 @@ def test_value():
while running.value > 0:
time.sleep(0.08)
mutex.acquire()
print running.value,
print(running.value, end=' ')
sys.stdout.flush()
mutex.release()
print
print 'No more running processes'
print()
print('No more running processes')
#### TEST_QUEUE
@ -57,22 +57,22 @@ def test_queue():
while o != 'STOP':
try:
o = q.get(timeout=0.3)
print o,
print(o, end=' ')
sys.stdout.flush()
except Empty:
print 'TIMEOUT'
print('TIMEOUT')
print
print()
#### TEST_CONDITION
def condition_func(cond):
cond.acquire()
print '\t' + str(cond)
print('\t' + str(cond))
time.sleep(2)
print '\tchild is notifying'
print '\t' + str(cond)
print('\tchild is notifying')
print('\t' + str(cond))
cond.notify()
cond.release()
@ -80,26 +80,26 @@ def test_condition():
cond = multiprocessing.Condition()
p = multiprocessing.Process(target=condition_func, args=(cond,))
print cond
print(cond)
cond.acquire()
print cond
print(cond)
cond.acquire()
print cond
print(cond)
p.start()
print 'main is waiting'
print('main is waiting')
cond.wait()
print 'main has woken up'
print('main has woken up')
print cond
print(cond)
cond.release()
print cond
print(cond)
cond.release()
p.join()
print cond
print(cond)
#### TEST_SEMAPHORE
@ -109,7 +109,7 @@ def semaphore_func(sema, mutex, running):
mutex.acquire()
running.value += 1
print running.value, 'tasks are running'
print(running.value, 'tasks are running')
mutex.release()
random.seed()
@ -117,7 +117,7 @@ def semaphore_func(sema, mutex, running):
mutex.acquire()
running.value -= 1
print '%s has finished' % multiprocessing.current_process()
print('%s has finished' % multiprocessing.current_process())
mutex.release()
sema.release()
@ -143,30 +143,30 @@ def test_semaphore():
#### TEST_JOIN_TIMEOUT
def join_timeout_func():
print '\tchild sleeping'
print('\tchild sleeping')
time.sleep(5.5)
print '\n\tchild terminating'
print('\n\tchild terminating')
def test_join_timeout():
p = multiprocessing.Process(target=join_timeout_func)
p.start()
print 'waiting for process to finish'
print('waiting for process to finish')
while 1:
p.join(timeout=1)
if not p.is_alive():
break
print '.',
print('.', end=' ')
sys.stdout.flush()
#### TEST_EVENT
def event_func(event):
print '\t%r is waiting' % multiprocessing.current_process()
print('\t%r is waiting' % multiprocessing.current_process())
event.wait()
print '\t%r has woken up' % multiprocessing.current_process()
print('\t%r has woken up' % multiprocessing.current_process())
def test_event():
event = multiprocessing.Event()
@ -177,10 +177,10 @@ def test_event():
for p in processes:
p.start()
print 'main is sleeping'
print('main is sleeping')
time.sleep(2)
print 'main is setting event'
print('main is setting event')
event.set()
for p in processes:
@ -200,7 +200,7 @@ def sharedvalues_func(values, arrays, shared_values, shared_arrays):
sa = list(shared_arrays[i][:])
assert a == sa
print 'Tests passed'
print('Tests passed')
def test_sharedvalues():
values = [
@ -209,9 +209,9 @@ def test_sharedvalues():
('d', 1.25)
]
arrays = [
('i', range(100)),
('i', list(range(100))),
('d', [0.25 * i for i in range(100)]),
('H', range(1000))
('H', list(range(1000)))
]
shared_values = [multiprocessing.Value(id, v) for id, v in values]
@ -238,15 +238,15 @@ def test(namespace=multiprocessing):
test_semaphore, test_join_timeout, test_event,
test_sharedvalues ]:
print '\n\t######## %s\n' % func.__name__
print('\n\t######## %s\n' % func.__name__)
func()
ignore = multiprocessing.active_children() # cleanup any old processes
if hasattr(multiprocessing, '_debug_info'):
info = multiprocessing._debug_info()
if info:
print info
raise ValueError, 'there should be no positive refcounts left'
print(info)
raise ValueError('there should be no positive refcounts left')
if __name__ == '__main__':
@ -255,19 +255,19 @@ if __name__ == '__main__':
assert len(sys.argv) in (1, 2)
if len(sys.argv) == 1 or sys.argv[1] == 'processes':
print ' Using processes '.center(79, '-')
print(' Using processes '.center(79, '-'))
namespace = multiprocessing
elif sys.argv[1] == 'manager':
print ' Using processes and a manager '.center(79, '-')
print(' Using processes and a manager '.center(79, '-'))
namespace = multiprocessing.Manager()
namespace.Process = multiprocessing.Process
namespace.current_process = multiprocessing.current_process
namespace.active_children = multiprocessing.active_children
elif sys.argv[1] == 'threads':
print ' Using threads '.center(79, '-')
print(' Using threads '.center(79, '-'))
import multiprocessing.dummy as namespace
else:
print 'Usage:\n\t%s [processes | manager | threads]' % sys.argv[0]
raise SystemExit, 2
print('Usage:\n\t%s [processes | manager | threads]' % sys.argv[0])
raise SystemExit(2)
test(namespace)