[OE-core] [PATCH] relocate_sdk.py: Allow script to work with Python 2.4 and 3.

[Laurentiu Palcu]

On Wed, Oct 16, 2013 at 11:44:59AM -0400, Konrad Scherer wrote:
> From: Konrad Scherer <Konrad.Scherer at windriver.com>
> 
> Python 2.4 does not support the 'b' string literal or the
> keyword 'as' in exception handling. Python 3 does not accept
> the old method of exception handling and defaults to unicode.
> The b() function converts strings to bytes on Python 3 and
> using sys.exc_info() avoids the exception handling syntax.
> 
> Signed-off-by: Konrad Scherer <Konrad.Scherer at windriver.com>
> ---
>  scripts/relocate_sdk.py | 43 ++++++++++++++++++++++++++-----------------
>  1 file changed, 26 insertions(+), 17 deletions(-)
> 
> diff --git a/scripts/relocate_sdk.py b/scripts/relocate_sdk.py
> index fe6e4e0..a15302d 100755
> --- a/scripts/relocate_sdk.py
> +++ b/scripts/relocate_sdk.py
> @@ -31,7 +31,15 @@ import os
>  import re
>  import errno
>  
> -old_prefix = re.compile(b"##DEFAULT_INSTALL_DIR##")
> +if sys.version < '3':
> +    def b(x):
> +        return x
> +else:
> +    import codecs
I can drop this import.

Thanks,
Laurentiu

> +    def b(x):
> +        return x.encode(sys.getfilesystemencoding())
> +
> +old_prefix = re.compile(b("##DEFAULT_INSTALL_DIR##"))
>