py实现协程

Author: LockGit

dispatch.py

@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+# @Author: lock
+# @Date:   2016-05-18 23:47:54
+# @Last Modified by:   lock
+# @Last Modified time: 2016-05-18 23:47:54
+from collections import deque
+class Runner(object):
+    def __init__(self, tasks):
+        self.tasks = deque(tasks)
+
+    def next(self):
+        return self.tasks.pop()
+
+    def run(self):
+        while len(self.tasks):
+            task = self.next()
+            try:
+                next(task)
+            except StopIteration:
+                pass
+            else:
+                self.tasks.appendleft(task)
+
+def task(name, times):
+    for i in range(times):
+        yield
+        print(name, i)
+
+Runner([
+    task('hsfzxjy', 5),
+    task('Jack', 4),
+    task('Bob', 6)
+]).run()