[et-mgmt-tools] [patch] virt-convert add disk signature into virt-image format export

[Daniel P. Berrange]

On Wed, Oct 01, 2008 at 10:37:17AM -0400, Joey Boggs wrote:
> I'm done creating a sha256 hash setup should I offer more than just 
> sha256for now? and checksum generation is off by default
> 
> Here's a preview.  Not sure how to catch the module import failure for 
> hashlib though

If we go for doing a compulsory md5 checksum, and optional
sha256 checksum with new enough python, then something
like....

    try:
       import hashlib
       m1 = hashlib.md5()
       m2 = hashlib.sha256()
    except:
       import md5
       m1 = md5.new()
       m2 = None

 
Daniel
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