docs: def init(options):
      """ Initialize some defaults """
  
      # Set matlplotlib's backend so LIVVkit can plot to files.
      import matplotlib
      matplotlib.use('agg')
  
      livvkit.output_dir = os.path.abspath(options.out_dir)
      livvkit.index_dir = livvkit.output_dir
      livvkit.verify = True if options.verify is not None else False
      livvkit.validate = True if options.validate is not None else False
      livvkit.publish = options.publish
  
      # Get a list of bundles that provide model specific implementations
      available_bundles = [mod for imp, mod, ispkg in pkgutil.iter_modules(bundles.__path__)]
  
      if options.verify is not None:
          livvkit.model_dir = os.path.normpath(options.verify[0])
          livvkit.bench_dir = os.path.normpath(options.verify[1])
          if not os.path.isdir(livvkit.model_dir):
              print("")
              print("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!")
              print("                       UH OH!")
              print("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!")
              print("    Your comparison directory does not exist; please check")
              print("    the path:")
              print("\n"+livvkit.model_dir+"\n\n")
              sys.exit(1)
  
          if not os.path.isdir(livvkit.bench_dir):
              print("")
              print("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!")
              print("                       UH OH!")
              print("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!")
              print("    Your benchmark directory does not exist; please check")
              print("    the path:")
              print("\n"+livvkit.bench_dir+"\n\n")
              sys.exit(1)
  
          livvkit.model_bundle = os.path.basename(livvkit.model_dir)
          livvkit.bench_bundle = os.path.basename(livvkit.bench_dir)
  
          if livvkit.model_bundle in available_bundles:
              livvkit.numerics_model_config = os.path.join(
                  livvkit.bundle_dir, livvkit.model_bundle, "numerics.json")
              livvkit.numerics_model_module = importlib.import_module(
                  ".".join(["livvkit.bundles", livvkit.model_bundle, "numerics"]))
  
              livvkit.verification_model_config = os.path.join(
                   livvkit.bundle_dir, livvkit.model_bundle, "verification.json")
              livvkit.verification_model_module = importlib.import_module(
                   ".".join(["livvkit.bundles", livvkit.model_bundle, "verification"]))
  
              livvkit.performance_model_config = os.path.join(
                   livvkit.bundle_dir, livvkit.model_bundle, "performance.json")
              # NOTE: This isn't used right now...
              # livvkit.performance_model_module = importlib.import_module(
              #      ".".join(["livvkit.bundles", livvkit.model_bundle, "performance"]))
          else:
              # TODO: Should implement some error checking here...
              livvkit.verify = False
  
      if options.validate is not None:
          livvkit.validation_model_configs = options.validate
  
      if not (livvkit.verify or livvkit.validate) and not options.serve:
          print("")
          print("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!")
          print("                       UH OH!")
          print("----------------------------------------------------------")
          print("    No verification or validation tests found/submitted!")
          print("")
          print("    Use either one or both of the --verify and")
          print("    --validate options to run tests.  For more ")
          print("    information use the --help option, view the README")
          print("    or check https://livvkit.github.io/Docs/")
          print("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!")
          print("")
          sys.exit(1)
  
      return options