From 40bc67e1cbcb66fa82f4c42d5d5d2069e7b6223c Mon Sep 17 00:00:00 2001
From: Guido Trotter <ultrotter@google.com>
Date: Fri, 7 May 2010 17:02:36 +0200
Subject: [PATCH] Retry{Again,Timeout}: explain reraising
Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>
---
lib/utils.py | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/lib/utils.py b/lib/utils.py
index ce112c914..6d2cd0fee 100644
--- a/lib/utils.py
+++ b/lib/utils.py
@@ -2498,6 +2498,10 @@ def ReadWatcherPauseFile(filename, now=None, remove_after=3600):
class RetryTimeout(Exception):
"""Retry loop timed out.
+ Any arguments which was passed by the retried function to RetryAgain will be
+ preserved in RetryTimeout, if it is raised. If such argument was an exception
+ the RaiseInner helper method will reraise it.
+
"""
def RaiseInner(self):
if self.args and isinstance(self.args[0], Exception):
@@ -2509,6 +2513,10 @@ class RetryTimeout(Exception):
class RetryAgain(Exception):
"""Retry again.
+ Any arguments passed to RetryAgain will be preserved, if a timeout occurs, as
+ arguments to RetryTimeout. If an exception is passed, the RaiseInner() method
+ of the RetryTimeout() method can be used to reraise it.
+
"""
--
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