openstack/deb-python-eventlet
Code Issues Proposed changes

proc module: renames wait to waitall; it only supports list of Procs now but not individual Procs like it did before

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This commit is contained in:
Denis Bilenko
2009-01-12 16:17:12 +06:00
parent 64e1fdee20
commit 2511e14c4f
2 changed files with 15 additions and 24 deletions
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17
eventlet/proc.py
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@@ -159,22 +159,13 @@ class LinkToGreenlet(Link):
def _fire_exception(self, source, throw_args):
self.listener.throw(getLinkedFailed(source, *throw_args))
def wait(linkable_or_list, trap_errors=False):
if hasattr(linkable_or_list, 'link'):
event = coros.event()
linkable_or_list.link(event)
try:
return event.wait()
except Exception:
if trap_errors:
return
raise
def waitall(lst, trap_errors=False):
queue = coros.queue()
results = [None] * len(linkable_or_list)
for (index, linkable) in enumerate(linkable_or_list):
results = [None] * len(lst)
for (index, linkable) in enumerate(lst):
linkable.link(decorate_send(queue, index))
count = 0
while count < len(linkable_or_list):
while count < len(lst):
try:
index, value = queue.wait()
except Exception:

22
greentest/test__proc.py
View File

@@ -166,7 +166,7 @@ class TestCase(LimitedTestCase):
raise AssertionError('should not get there')
with timeout(DELAY, None):
print repr(proc.wait(myproc))
print repr(proc.waitall([myproc]))
raise AssertionError('should not get there')
assert proc_finished_flag == [], proc_finished_flag
@@ -201,7 +201,7 @@ class TestReturn_link(TestCase):
self.assertEqual(event.wait(), result)
self.assertEqual(queue.wait(), result)
self.assertRaises(kill_exc_type, receiver.wait)
self.assertRaises(kill_exc_type, proc.wait, receiver)
self.assertRaises(kill_exc_type, proc.waitall, [receiver])
sleep(DELAY)
assert not proc_flag, proc_flag
@@ -233,7 +233,7 @@ class TestRaise_link(TestCase):
with timeout(DELAY):
self.assertRaises(ValueError, event.wait)
self.assertRaises(ValueError, queue.wait)
self.assertRaises(kill_exc_type, proc.wait, receiver)
self.assertRaises(kill_exc_type, proc.waitall, [receiver])
sleep(DELAY)
assert not proc_flag, proc_flag
assert not callback_flag, callback_flag
@@ -264,7 +264,7 @@ class TestRaise_link(TestCase):
with timeout(DELAY):
self.assertRaises(proc.ProcExit, event.wait)
self.assertRaises(proc.ProcExit, queue.wait)
self.assertRaises(kill_exc_type, proc.wait, receiver)
self.assertRaises(kill_exc_type, proc.waitall, [receiver])
sleep(DELAY)
assert not proc_flag, proc_flag
@@ -289,7 +289,7 @@ class TestStuff(unittest.TestCase):
x = proc.spawn(lambda : 1)
y = proc.spawn(lambda : 2)
z = proc.spawn(lambda : 3)
self.assertEqual(proc.wait([x, y, z]), [1, 2, 3])
self.assertEqual(proc.waitall([x, y, z]), [1, 2, 3])
e = coros.event()
x.link(e)
self.assertEqual(e.wait(), 1)
@@ -297,7 +297,7 @@ class TestStuff(unittest.TestCase):
e = coros.event()
x.link(e)
self.assertEqual(e.wait(), 1)
self.assertEqual([proc.wait(X) for X in [x, y, z]], [1, 2, 3])
self.assertEqual([proc.waitall([X]) for X in [x, y, z]], [[1], [2], [3]])
def test_wait_error(self):
def x():
@@ -310,10 +310,10 @@ class TestStuff(unittest.TestCase):
x.link(y)
y.link(z)
z.link(y)
self.assertRaises(ValueError, proc.wait, [x, y, z])
self.assertRaises(proc.LinkedFailed, proc.wait, x)
self.assertEqual(proc.wait(z), 3)
self.assertRaises(ValueError, proc.wait, y)
self.assertRaises(ValueError, proc.waitall, [x, y, z])
self.assertRaises(proc.LinkedFailed, proc.waitall, [x])
self.assertEqual(proc.waitall([z]), [3])
self.assertRaises(ValueError, proc.waitall, [y])
def test_wait_all_exception_order(self):
# if there're several exceptions raised, the earliest one must be raised by wait
@@ -323,7 +323,7 @@ class TestStuff(unittest.TestCase):
a = proc.spawn(badint)
b = proc.spawn(int, 'second')
try:
proc.wait([a, b])
proc.waitall([a, b])
except ValueError, ex:
assert 'second' in str(ex), repr(str(ex))