[Libguestfs] [PATCH v2 2/3] v2v: utils: Add utility functions for running external Python code.

[Richard W.M. Jones]

On Wed, Feb 28, 2018 at 12:21:07PM +0100, Tomáš Golembiovský wrote:
> On Tue, 27 Feb 2018 21:33:23 +0000
> "Richard W.M. Jones" <rjones at redhat.com> wrote:
> 
> > ---
> >  v2v/utils.ml  | 23 +++++++++++++++++++++++
> >  v2v/utils.mli | 11 +++++++++++
> >  2 files changed, 34 insertions(+)
> > 
> > diff --git a/v2v/utils.ml b/v2v/utils.ml
> > index 1ceba94cd..bf4106620 100644
> > --- a/v2v/utils.ml
> > +++ b/v2v/utils.ml
> > @@ -196,3 +196,26 @@ let find_file_in_tar tar filename =
> >      )
> >    in
> >    loop lines
> > +
> > +let run_python ?(python = "python") code =
> > +  (* In debug mode output the python code into the log. *)
> > +  debug "running python code using ‘%s’:\n%s" python code;
> > +
> > +  (* Write the Python code to a temporary file so we don't have to
> > +   * quote things.
> > +   *)
> > +  let filename, chan = Filename.open_temp_file "py" ".py" in
> > +  output_string chan code;
> > +  close_out chan;
> > +
> > +  let cmd = sprintf "%s %s" (quote python) filename in
> 
> quote filename

Thanks, will be fixed in the next version.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
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