Re: untar builder fails with error

Dagg,

Can you try with SCons 4.4.0?

-Bill

On Fri, Nov 4, 2022 at 10:42 AM Mats Wichmann <[email protected]> wrote:

> On 11/4/22 08:33, daggs wrote:
> > Greetings,
> >
> > I"m trying to implement the untar builder from
> https://github.com/SCons/scons/wiki/UnTarBuilder on scons
> v3.1.2.bee7caf9defd6e108fc2998a2520ddb36a967691 (ubuntu 20.04)
> > and I'm getting this error:
> > AttributeError: 'TarInfo' object has no attribute 'target_peers':
> >    File "/home/dagg/project/site_scons/build_utils.py", line 471:
> >      env.Unpack(get_target(), deps_targets_list,
> >    File "/usr/lib/scons/SCons/Environment.py", line 255:
> >      return MethodWrapper.__call__(self, target, source, *args, **kw)
> >    File "/usr/lib/scons/SCons/Environment.py", line 219:
> >      return self.method(*nargs, **kwargs)
> >    File "/usr/lib/scons/SCons/Builder.py", line 651:
> >      return self._execute(env, target, source, OverrideWarner(kw), ekw)
> >    File "/usr/lib/scons/SCons/Builder.py", line 570:
> >      t.target_peers = tlist
> > Compilation failed
> >
> > has anyone encountered this issue? I cannot seem to be able to find
> target_peers in reference to python anywhere
> >
> > the builder looks like this:
> > import tarfile, os
> >
> > def message(target, source, env):
> >      return "Unpacking..."
> >
> > def builder(target, source, env):
> >      tar_file = tarfile.open(env['path'])
> >      tar_file.extractall(env['target'])
> >      tar_file.close()
> >
> >      return None
> >
> > def content_emitter(target, source, env):
> >      fn = os.path.basename(str(source[0]))
> >      print("Reading content...")
> >      tar_file = tarfile.open(str(source[0]), "r")
> >      new_targets = [ ent for ent in tar_file.getmembers() if
> ent.isfile() ]
> >      tar_file.close()
> >      print("Done")
> >
> >      return (new_targets, source)
> >
> > def generate(env, **kwargs):
> >      unpacker = env.Builder(
> >          action = env.Action(builder, message),
> >          src_suffix = ".tar.bz2",
> >          emitter = content_emitter,
> >      )
> >
> >      env.Append(BUILDERS = { 'Unpack' : unpacker })
> >
> > def exists(env):
> >      return True
> >
> > Thanks,
> >
> > dagg
>
> I've used (a fork of) that one, but it's not been for like six years.
>
> Current scons certainly has a target_peers in the node class, and it's
> actively used by the ninja tool. Ninja support, of course, is much newer
> than SCons 3.1.2 - can't really tell the history without more
> prospecting, maybe someone else knows.
>
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