[rfc] about encodings and redirect output of bzr via pipe

[John Arbash Meinel]

Alexander Belchenko wrote:
> Probably I found the solution for problem of determining actual encoding
> of console when bzr output redirecting to pager ('less' or 'more') via
> pipe. E.g. command:
> 
> $ bzr log | less
> 
> When do this redirection then shell connect stdout of bzr process to
> stdin of next process. So sys.stdout lost 'encoding' attribute. And
> therefore information of actual encoding of console is lost. So, my
> previous approach to fix problem with 'cp866' <-> 'cp1251' on russian
> windows relying on sys.stdout.encoding was vulnerable by pipe.
> 
> But this problem can be solved if using sys.stdin.encoding when
> sys.stdout.encoding is not exists. At least on my win32 machine it works
> as expected:

I think this is a reasonable method. We can just try all of
stdout/stdin/stderr to see if any of them have an encoding.

John
=:->


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