Re: [Pkg-xen-devel] using xen tools with python2.6

[Ian Campbell <Ian.Campbell@citrix.com>]

On Sun, 2010-09-12 at 16:25 +0200, Matthias Klose wrote:
> there are at least some syntax errors when trying to use the xen utils with 
> python2.6.  The attached patch changes these string exception into ValueError's.

Thanks Matthias.

>   - tools/python/xen/util/bugtool.py (getBugTitle)
>   - tools/python/xen/xend (class XendBase): not catched
>   - tools/python/xen/xm/xenapi_create.py (sxp2xmlconvert_sxp_to_xml):
>     the method already raises a ValueError for similiar condition.
>   - tools/python/xen/xm/main.py (xm_network_attach): not catched.
> 
> For all but maybe the first one, the replacement of the string exceptions into 
> ValueError's seems to be safe.

Why is the first one potentially unsafe?

What do you mean by "not catched" here? Just that nothing catches the
exception?

Please could you provide a Signed-off-by line for upstream?

Ian.




Description: Replace python string exceptions with ValueError exceptions
Author: Matthias Klose <doko@debian.org>
Bug-Debian: http://bugs.debian.org/585372

--- xen-4.0.1.orig/tools/python/xen/util/bugtool.py
+++ xen-4.0.1/tools/python/xen/util/bugtool.py
@@ -139,7 +139,7 @@ def getBugTitle(bug):
     finally:
         f.close()
 
-    raise "Could not find title of bug %d!" % bug
+    raise ValueError("Could not find title of bug %d!" % bug)
 
 
 def send(bug, conn, fd, filename, username, password):
--- xen-4.0.1.orig/tools/python/xen/xend/XendBase.py
+++ xen-4.0.1/tools/python/xen/xend/XendBase.py
@@ -114,7 +114,7 @@ class XendBase:
             # In OSS, ref == uuid
             return uuid
         else:
-            raise "Big Error.. TODO!"
+            raise ValueError("Big Error.. TODO!")
 
     def get_all_records(cls):
         return dict([(inst.get_uuid(), inst.get_record())
--- xen-4.0.1.orig/tools/python/xen/xm/xenapi_create.py
+++ xen-4.0.1/tools/python/xen/xm/xenapi_create.py
@@ -702,7 +702,7 @@ class sxp2xml:
                 vm.attributes['security_label'] = \
                                     security.set_security_label(sec_data[0][1][1],sec_data[0][2][1])
             except Exception, e:
-                raise "Invalid security data format: %s" % str(sec_data)
+                raise ValueError("Invalid security data format: %s" % str(sec_data))
 
         # Make the name tag
 
--- xen-4.0.1.orig/tools/python/xen/xm/main.py
+++ xen-4.0.1/tools/python/xen/xm/main.py
@@ -2616,7 +2616,7 @@ def xm_network_attach(args):
                              for ref, record in server.xenapi.network
                              .get_all_records().items()])
             if bridge not in networks.keys():
-                raise "Unknown bridge name!"
+                raise ValueError("Unknown bridge name!")
             return networks[bridge]
 
         vif_conv = {