[Assorted-commits] SF.net SVN: assorted:[1859] sandbox/trunk/src/py

[<yan...@us...>]

Revision: 1859
          http://sourceforge.net/p/assorted/svn/1859
Author:   yangzhang
Date:     2013-06-06 21:10:30 +0000 (Thu, 06 Jun 2013)
Log Message:
-----------
Concurrent module reload in Python

Added Paths:
-----------
    sandbox/trunk/src/py/concurrentreload/
    sandbox/trunk/src/py/concurrentreload/main.py

Added: sandbox/trunk/src/py/concurrentreload/main.py
===================================================================
--- sandbox/trunk/src/py/concurrentreload/main.py	                        (rev 0)
+++ sandbox/trunk/src/py/concurrentreload/main.py	2013-06-06 21:10:30 UTC (rev 1859)
@@ -0,0 +1,27 @@
+# Concurrent reloading magically works
+# You see 0s then 1s
+import time
+import threading
+def gen(i):
+  with open('a.py', 'w') as f:
+    print >> f, '''
+import time
+def echo(): print %s
+def loop():
+  while 1:
+    time.sleep(.2)
+    echo()
+  ''' % i
+gen(0)
+import a
+def doreload():
+  time.sleep(1)
+  gen(1)
+  reload(a)
+def doloop():
+  while 1:
+    time.sleep(.2)
+    a.echo()
+threading.Thread(target=doreload).start()
+threading.Thread(target=doloop).start()
+threading.Thread(target=a.loop).start()

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