def test_default_value(self):
ch = Channel(1)
r = yield alts([ch], default=42)
self.assertEqual(r.value, 42)
self.assertEqual(r.channel, DEFAULT)
yield put(ch, 53)
r = yield alts([ch], default=42)
self.assertEqual(r.value, 53)
self.assertEqual(r.channel, ch)
def test_no_priority(self):
nums = range(50)
chs = [Channel(1) for _ in nums]
for i in nums:
yield put(chs[i], i)
values = []
for _ in nums:
values.append((yield alts(chs)).value)
self.assertNotEqual(values, nums)
def main():
c = boring("Joe")
while True:
value, chan = yield alts([c, timeout(0.8)])
if chan is c:
print value
else:
print "You're too slow."
yield stop()
def main():
c = boring("Joe")
t = timeout(5)
while True:
value, chan = yield alts([c, t])
if chan is c:
print value
else:
print "You talk too much."
yield stop()
def main():
for url, dt in (
("http://www.google.com/search?q=csp", 0.01), # too little time
("http://www.google.come/search?q=csp", 10), # wrong domain name
("http://www.google.com/search?q=csp", 10),
):
print "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
print url, dt, "seconds"
c = request(url)
t = timeout(dt)
value, chan = yield alts([c, t])
if chan is c:
result, error = value
if error:
print "Uhm, not good"
print error
else:
print "Here"
print result[:500] + "..."
elif chan is t:
print "Timeout"
def main():
chans = []
for i in range(20):
chan = Channel()
go(produce, chan, i)
chans.append(chan)
def timeout(seconds):
chan = Channel()
def t():
yield sleep(seconds)
chan.close()
go(t)
return chan
chans.append(timeout(0.3))
while True:
value, chan = yield alts(chans)
if value == CLOSED:
print "time out"
break
else:
print value
def test_selecting_on_closed_channel(self):
i = 0
while i < self.limit:
i += 1
yield alts([self.ch, [self.ch, 1]])
def test_identity(self):
ch = identity_channel(42)
r = yield alts([ch])
self.assertEqual(r.value, 42)
self.assertEqual(r.channel, ch)
def collect():
while True:
value, _ = yield alts([input1, input2])
yield put(c, value)
