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Description:

cleanroom 0.4.2

cleanroom
Install:
pip install cleanroom
Create instance in a new process and proxy all operations:
import os
import time
from cleanroom import create_instance, CleanroomArgs

class Cal:

def __init__(self, base):
self.base = base

def inc(self):
self.base += 1
return self.base

def pid(self, sleep=None):
if sleep:
time.sleep(sleep)

return os.getpid()

cal = create_instance(Cal, CleanroomArgs(0))

print('Parent PID: ', os.getpid())
print('Cal PID: ', cal.pid())

print('inc: ', cal.inc())
print('inc: ', cal.inc())
Output:
Parent PID: 22239
Cal PID: 22272
inc: 1
inc: 2
Create multiple instances under the random_access scheduler:
from cleanroom import create_scheduler, create_instances_under_scheduler

scheduler = create_scheduler(instances=5, scheduler_type='random_access')
create_instances_under_scheduler(scheduler, Cal, CleanroomArgs(0))

print('Parent PID: ', os.getpid())

for _ in range(20):
pid = scheduler.pid(sleep=1)
print(time.ctime(), 'Cal PID:', pid)
Output:
Parent PID: 4376
Thu May 23 14:00:59 2019 Cal PID: 4399
Thu May 23 14:01:00 2019 Cal PID: 4403
Thu May 23 14:01:01 2019 Cal PID: 4397
Thu May 23 14:01:02 2019 Cal PID: 4397
Thu May 23 14:01:03 2019 Cal PID: 4403
Thu May 23 14:01:04 2019 Cal PID: 4399
Thu May 23 14:01:05 2019 Cal PID: 4395
Thu May 23 14:01:06 2019 Cal PID: 4401
Thu May 23 14:01:07 2019 Cal PID: 4399
Thu May 23 14:01:08 2019 Cal PID: 4395
Thu May 23 14:01:09 2019 Cal PID: 4401
Thu May 23 14:01:10 2019 Cal PID: 4401
Thu May 23 14:01:11 2019 Cal PID: 4403
Thu May 23 14:01:12 2019 Cal PID: 4395
Thu May 23 14:01:13 2019 Cal PID: 4397
Thu May 23 14:01:14 2019 Cal PID: 4403
Thu May 23 14:01:15 2019 Cal PID: 4401
Thu May 23 14:01:16 2019 Cal PID: 4395
Thu May 23 14:01:17 2019 Cal PID: 4395
Thu May 23 14:01:18 2019 Cal PID: 4397
Create multiple instances under the batch_random_access scheduler:
scheduler = create_scheduler(instances=5, scheduler_type='batch_random_access')
create_instances_under_scheduler(scheduler, Cal, CleanroomArgs(0))

print('Parent PID: ', os.getpid())

for pid in scheduler.pid(CleanroomArgs(sleep=1) for _ in range(20)):
print(time.ctime(), 'Cal PID:', pid)
Output:
Parent PID: 4376
Thu May 23 14:04:47 2019 Cal PID: 4429
Thu May 23 14:04:47 2019 Cal PID: 4433
Thu May 23 14:04:47 2019 Cal PID: 4435
Thu May 23 14:04:48 2019 Cal PID: 4433
Thu May 23 14:04:48 2019 Cal PID: 4437
Thu May 23 14:04:49 2019 Cal PID: 4429
Thu May 23 14:04:49 2019 Cal PID: 4433
Thu May 23 14:04:49 2019 Cal PID: 4437
Thu May 23 14:04:49 2019 Cal PID: 4431
Thu May 23 14:04:49 2019 Cal PID: 4435
Thu May 23 14:04:50 2019 Cal PID: 4429
Thu May 23 14:04:51 2019 Cal PID: 4431
Thu May 23 14:04:51 2019 Cal PID: 4435
Thu May 23 14:04:51 2019 Cal PID: 4431
Thu May 23 14:04:51 2019 Cal PID: 4437
Thu May 23 14:04:53 2019 Cal PID: 4429
Thu May 23 14:04:53 2019 Cal PID: 4431
Thu May 23 14:04:53 2019 Cal PID: 4429
Thu May 23 14:04:53 2019 Cal PID: 4437
Thu May 23 14:04:53 2019 Cal PID: 4437

Credits
This package was created with Cookiecutter and the audreyr/cookiecutter-pypackage project template.

History
0.1.0 (2019-05-10)

First release on PyPI.