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#!/usr/bin/python3
# -*- python -*-
'''
join python – Join-calculus for Python
Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
import time
import threading
class signal:
def __init__(self, f):
self.f = f
def __call__(self, *args, **kwargs):
threading.Thread(target = self.f, args = args, kwargs = kwargs).start()
class joinable:
def __init__(self, f):
self.f = f
self.queue = []
self.condition = threading.Condition()
def __call__(self, *args, **kwargs):
self.f(*args, **kwargs)
self.condition.acquire()
self.queue.append((args, kwargs))
self.condition.notify()
self.condition.release()
def join(f):
f.condition.acquire()
f.condition.wait()
(jargs, jkwargs) = f.queue.pop(0)
f.condition.release()
return (jargs, jkwargs)
class test:
@signal
def signal(f, *args):
f(*args)
@joinable
def joinable(*args, **kwargs):
pass
def join(param):
(jargs, jkwargs) = join(test.joinable)
print(param, dict(jkwargs), *jargs)
test.signal(test.join, 'join')
time.sleep(1)
test.joinable('arg1', 'arg2', a = 'A', b = 'B')
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