def first_solution(func):
global next_answer
co = _stackless.clonable()
co.bind(func)
try:
co.switch()
except Success, e:
return e.args[0]
def first_solution(func):
global next_answer
co = _stackless.clonable()
co.bind(func)
try:
co.switch()
except Success, e:
return e.args[0]
def first_solution(func):
global next_answer
co = _stackless.clonable()
co.bind(func)
pending = [(co, None)]
while pending:
co, next_answer = pending.pop()
try:
co.switch()
except Fail:
pass
except Success, e:
return e.args[0]
else:
# zero_or_one() called, clone the coroutine
co2 = co.clone()
pending.append((co2, 1))
pending.append((co, 0))
def test_clone_before_start(self):
"""Tests that a clonable coroutine can be
cloned before it is started
(this used to fail with a segmentation fault)
"""
import _stackless
counter = [0]
def simple_coro():
print "hello"
counter[0] += 1
s = _stackless.clonable()
s.bind(simple_coro)
t = s.clone()
s.switch()
t.switch()
assert counter[0] == 2
def first_solution(func):
global next_answer
co = _stackless.clonable()
co.bind(func)
pending = [(co, None)]
while pending:
co, next_answer = pending.pop()
try:
co.switch()
except Fail:
pass
except Success, e:
return e.args[0]
else:
# zero_or_one() called, clone the coroutine
co2 = co.clone()
pending.append((co2, 1))
pending.append((co, 0))
def test_clone_before_start(self):
"""Tests that a clonable coroutine can be
cloned before it is started
(this used to fail with a segmentation fault)
"""
import _stackless
counter = [0]
def simple_coro():
print "hello"
counter[0] += 1
s = _stackless.clonable()
s.bind(simple_coro)
t = s.clone()
s.switch()
t.switch()
assert counter[0] == 2
def test_myself_may_not_be_me_any_more(self):
import gc
from _stackless import clonable
counter = [0]
def runner():
while 1:
assert clonable.getcurrent() is coro
counter[0] += 1
main.switch()
main = clonable.getcurrent()
coro = clonable()
coro.bind(runner)
coro.switch()
assert counter == [1]
assert clonable.getcurrent() is main
coro1 = coro.clone()
assert counter == [1]
assert clonable.getcurrent() is main
coro.switch()
assert counter == [2]
coro.switch()
assert counter == [3]
assert clonable.getcurrent() is main
del coro1
gc.collect()
#print "collected!"
assert clonable.getcurrent() is main
assert counter == [3]
coro.switch()
assert clonable.getcurrent() is main
assert counter == [4]
def test_myself_may_not_be_me_any_more(self):
import gc
from _stackless import clonable
counter = [0]
def runner():
while 1:
assert clonable.getcurrent() is coro
counter[0] += 1
main.switch()
main = clonable.getcurrent()
coro = clonable()
coro.bind(runner)
coro.switch()
assert counter == [1]
assert clonable.getcurrent() is main
coro1 = coro.clone()
assert counter == [1]
assert clonable.getcurrent() is main
coro.switch()
assert counter == [2]
coro.switch()
assert counter == [3]
assert clonable.getcurrent() is main
del coro1
gc.collect()
#print "collected!"
assert clonable.getcurrent() is main
assert counter == [3]
coro.switch()
assert clonable.getcurrent() is main
assert counter == [4]