From f5447ef3451d918ab1df3052d03c87ace6fe6812 Mon Sep 17 00:00:00 2001
From: Denis Bilenko <denis.bilenko@gmail.com>
Date: Thu, 11 Jun 2009 17:12:52 +0700
Subject: [PATCH] add greenlib module for backward compatibility; mark it as
 deprecated

---
 eventlet/greenlib.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 eventlet/greenlib.py

diff --git a/eventlet/greenlib.py b/eventlet/greenlib.py
new file mode 100644
index 0000000..1c3f995
--- /dev/null
+++ b/eventlet/greenlib.py
@@ -0,0 +1,20 @@
+from eventlet.api import Greenlet
+
+class SwitchingToDeadGreenlet(Exception):
+    pass
+
+def switch(other=None, value=None, exc=None):
+    self = Greenlet.getcurrent()
+    if other is None:
+        other = self.parent
+    if other is None:
+        other = self
+    if not (other or hasattr(other, 'run')):
+        raise SwitchingToDeadGreenlet("Switching to dead greenlet %r %r %r" % (other, value, exc))
+    if exc:
+        return other.throw(exc)
+    else:
+        return other.switch(value)        
+
+import warnings
+warnings.warn("greenlib is deprecated; use greenlet methods directly", DeprecationWarning, stacklevel=2)