Second attempt to work around App Engine flakiness by retrying upon URLError...

third_party/upload.py

Index: third_party/upload.py
===================================================================
--- third_party/upload.py	(revision 71520)
+++ third_party/upload.py	(working copy)
@@ -416,6 +416,15 @@
             url = e.info()["location"]
           else:
             raise
+        except urllib2.URLError, e:
+          if hasattr(e, 'reason'):

[M-A Ruel, 2011/01/17 18:17:17]

you could rewrite as
reason = getattr(e, 'reason', None)
and continue with line 422.

[Ken Russell (switch to Gerrit), 2011/01/18 21:24:10]

Done.

+            reason = e.reason
+            if isinstance(reason, str) and reason.find("110") != -1:
+              # Connection timeout error.
+              if tries <= 3:
+                # Try again.
+                continue
+          raise
     finally:
       socket.setdefaulttimeout(old_timeout)