[OE-core] [PATCH 3/3] utils: add trim_version() function

[Chris Larson]

On Thu, May 23, 2013 at 11:45 AM, Ross Burton <ross.burton at intel.com> wrote:

> +def trim_version(version, num_parts=2):
> +    """
> +    Return just the first <num_parts> of <version>, split by periods.  For
> +    example, trim_version("1.2.3", 2) will return "1.2".
> +    """
> +    if type(version) is not str:
> +        raise TypeError("Version should be a string")
> +    if num_parts < 1:
> +        raise ValueError("Cannot split to parts < 1")
> +
> +    parts = version.split(".")
> +    trimmed = ".".join(parts[:num_parts])
> +    return trimmed
>

Another option would be to do something like:

def trim_version(version, num_parts=2):
    v = distutils.version.LooseVersion(version)
    return v.version[:num_parts]
-- 
Christopher Larson
clarson at kergoth dot com
Founder - BitBake, OpenEmbedded, OpenZaurus
Maintainer - Tslib
Senior Software Engineer, Mentor Graphics
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openembedded.org/pipermail/openembedded-core/attachments/20130523/19cbd354/attachment-0002.html>