Re: [Qemu-devel] [PATCH] qmp-shell: fix nested json regression

[John Snow <jsnow@redhat.com>]

On 2/5/19 8:49 AM, Marc-André Lureau wrote:
> Commit fcfab7541 ("qmp-shell: learn to send commands with quoted
> arguments") introduces the usage of Python 'shlex' to handle quoted
> arguments, but it accidentally broke generation of nested JSON
> structs.
> 
> shlex drops quotes, which breaks parsing of the nested struct.
> 
> cmd='blockdev-create job-id="job0 foo" options={"driver":"qcow2","size":16384,"file":{"driver":"file","filename":"foo.qcow2"}}'
> 
> shlex.split(cmd)
> ['blockdev-create',
>  'job-id=job0 foo',
>  'options={driver:qcow2,size:16384,file:{driver:file,filename:foo.qcow2}}']
> 
> Replace with a regexp to split while respecting quoted strings and preserving quotes:
> 
> re.findall(r'''(?:[^\s"']|"(?:\\.|[^"])*"|'(?:\\.|[^'])*')+''', cmd)
> ['blockdev-create',
>  'job-id="job0 foo"',
>  'options={"driver":"qcow2","size":16384,"file":{"driver":"file","filename":"foo.qcow2"}}']
> 
> Fixes: fcfab7541 ("qmp-shell: learn to send commands with quoted arguments")
> Reported-by: Kashyap Chamarthy <kchamart@redhat.com>
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

Hi, did this get misplaced? Would be nice to have back for 4.0 release.