[OE-core] [PATCH] classes/package: Clean up getstatusoutput

[richard.purdie at linuxfoundation.org]

On Sun, 2018-08-19 at 21:43 -0500, Joshua Watt wrote:
> Replaces usage of the deprecated oe.utils.getstatusoutput() with Python
> subprocess calls.
> 
> Signed-off-by: Joshua Watt <JPEWhacker at gmail.com>
> ---
>  meta/classes/package.bbclass | 19 +++++++++++--------
>  1 file changed, 11 insertions(+), 8 deletions(-)
> 
> diff --git a/meta/classes/package.bbclass b/meta/classes/package.bbclass
> index 4ce9de2f573..b05d2858281 100644
> --- a/meta/classes/package.bbclass
> +++ b/meta/classes/package.bbclass
> @@ -380,6 +380,7 @@ def splitdebuginfo(file, dvar, debugdir, debuglibdir, debugappend, debugsrcdir,
>      # sourcefile is also generated containing a list of debugsources
>  
>      import stat
> +    import subprocess
>  
>      src = file[len(dvar):]
>      dest = debuglibdir + os.path.dirname(src) + debugdir + "/" + os.path.basename(src) + debugappend
> @@ -409,16 +410,18 @@ def splitdebuginfo(file, dvar, debugdir, debuglibdir, debugappend, debugsrcdir,
>  
>      bb.utils.mkdirhier(os.path.dirname(debugfile))
>  
> -    cmd = "'%s' --only-keep-debug '%s' '%s'" % (objcopy, file, debugfile)
> -    (retval, output) = oe.utils.getstatusoutput(cmd)
> -    if retval:
> -        bb.fatal("objcopy failed with exit code %s (cmd was %s)%s" % (retval, cmd, ":\n%s" % output if output else ""))
> +    cmd = (objcopy, '--only-keep-debug', file, debugfile)
> +    try:
> +        subprocess.check_output(cmd)
> +    except subprocess.CalledProcessError as e:
> +        bb.fatal("objcopy failed with exit code %s (cmd was %s)%s" % (e.returncode, ' '.join(cmd), ":\n%s" % output.decode('utf-8') if e.output else ""))
>  
>      # Set the debuglink to have the view of the file path on the target
> -    cmd = "'%s' --add-gnu-debuglink='%s' '%s'" % (objcopy, debugfile, file)
> -    (retval, output) = oe.utils.getstatusoutput(cmd)
> -    if retval:
> -        bb.fatal("objcopy failed with exit code %s (cmd was %s)%s" % (retval, cmd, ":\n%s" % output if output else ""))
> +    cmd = (objcopy, '--add-gnu-debuglink', debugfile, file)
> +    try:
> +        subprocess.check_output(cmd)
> +    except subprocess.CalledProcessError as e:
> +        bb.fatal("objcopy failed with exit code %s (cmd was %s)%s" % (e.returncode, ' '.join(cmd), ":\n%s" % output.decode('utf-8') if e.output else ""))
>  
>      if newmode:
>          os.chmod(file, origmode)

I appreciate this is a direct replacement and functionally equivalent
but are these custom exceptions any real use? Its hard to actually get
them right and I suspect we may be better off without them using the
standard formatter?

Cheers,

Richard