[U-Boot] [PATCH 6/8] test/py: add various utility code

[Stephen Warren <swarren@wwwdotorg.org>]

On 01/21/2016 08:36 PM, Simon Glass wrote:
> Hi Stephen,
>
> On 20 January 2016 at 15:15, Stephen Warren <swarren@wwwdotorg.org> wrote:
>> From: Stephen Warren <swarren@nvidia.com>
>>
>> Add various common utility functions. These will be used by a forthcoming
>> re-written UMS test, and a brand-new DFU test.

>> diff --git a/test/py/u_boot_utils.py b/test/py/u_boot_utils.py

>> +def md5sum_data(data):
>> +    '''Calculate the MD5 hash of some data.
>> +
>> +    Args:
>> +        data: The data to hash.
>> +
>> +    Returns:
>> +        The hash of the data, as a binary string.
>> +    '''
>> +
>> +    h = hashlib.md5()
>> +    h.update(data)
>> +    return h.digest()
>
> Or just:
>
>     return hashlib.md5().update(data).digest()

I was going to do that, but it doesn't look like update() returns the 
hash object, so I can't chain at least the .digest() call together, so I 
may as well leave it as-is.