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asyncio: fix 2nd task example

This commit is contained in:
Victor Stinner 2013-12-10 02:51:05 +01:00
parent dbd8950b28
commit 34f2946a11
1 changed files with 15 additions and 15 deletions
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30
Doc/library/asyncio-task.rst
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@ -315,13 +315,13 @@ Example executing 3 tasks (A, B, C) in parallel::
import asyncio
@asyncio.coroutine
def factorial(task, n):
def factorial(name, number):
f = 1
for i in range(2, n+1):
print("[%s] Compute factorial(%s)..." % (task, i))
for i in range(2, number+1):
print("Task %s: Compute factorial(%s)..." % (name, i))
yield from asyncio.sleep(1)
f *= n
print("[%s] factorial(%s) = %s" % (task, n, f))
f *= i
print("Task %s: factorial(%s) = %s" % (name, number, f))
task_a = asyncio.Task(factorial("A", 2))
task_b = asyncio.Task(factorial("B", 3))
@ -333,17 +333,17 @@ Example executing 3 tasks (A, B, C) in parallel::
Output::
[A] Compute factorial(2)...
[B] Compute factorial(2)...
[C] Compute factorial(2)...
[A] factorial(2) = 2
[B] Compute factorial(3)...
[C] Compute factorial(3)...
[B] factorial(3) = 9
[C] Compute factorial(4)...
[C] factorial(4) = 64
Task A: Compute factorial(2)...
Task B: Compute factorial(2)...
Task C: Compute factorial(2)...
Task A: factorial(2) = 2
Task B: Compute factorial(3)...
Task C: Compute factorial(3)...
Task B: factorial(3) = 6
Task C: Compute factorial(4)...
Task C: factorial(4) = 24
When a task is created, it is automatically scheduled for execution. The event
A task is automatically scheduled for execution when it is created. The event
loop stops when all tasks are done.