How to define a bytes literal in Python 2.x for porting to Python 3.x using 2to3?

[Terry Reedy]

On 1/1/2011 4:08 AM, Baptiste Lepilleur wrote:

> Is there a way to mark string literals so that 2to3 automatically
> prefixes them with 'b'? Is there a simpler trick?

Python 2.7.1 (r271:86832, Nov 27 2010, 18:30:46) [MSC v.1500 32 bit 
(Intel)] on win32
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 >>> b=b'abc'
 >>> b
'abc'

The b prefix does nothing in 2.7. It was specifically added for this 
type of porting problem.

-- 
Terry Jan Reedy