Add condition on bundle module loading

carputils/bundle/__init__.py

@@ -60,4 +60,5 @@ from carputils.bundle.bundle import BundleModule
 # This hack is 'officially' supported, as outlined in this message by Gudio van
 # Rossum, the creator of Python:
 #       https://mail.python.org/pipermail/python-ideas/2012-May/014969.html
-sys.modules[__name__] = BundleModule()
+if hasattr(sys.modules['__main__'], '__file__'):
+    sys.modules[__name__] = BundleModule()
\ No newline at end of file

carputils/settings/buildinfo.py

@@ -100,11 +100,10 @@ def makevars(execs):
     makevars.CIRCADAPT = 0
     makevars.FSM = 0
     makevars.WITH_PURK = 0
-     
+
     cmd = [str(execs.CARP), '-buildinfo']
     try:
         output = subprocess.check_output(cmd).decode('utf8').split('\n')
-
     except subprocess.CalledProcessError:
         warn('Error retrieving -buildinfo from openCARP - assuming no mechanics '
              'or CUDA')

carputils/settings/summary.py

@@ -24,7 +24,6 @@ def summary(config, execs, solver_opts, cli):
     """
     Generate a summary report of the execs generated by cli.
     """
-
     width = format.terminal_width()
     EQUALS_LINE = '=' * width
     DASH_LINE   = '-' * width

carputils/tools.py

@@ -446,7 +446,6 @@ def carpexample(parser=standard_parser,
         """
         @wraps(run)
         def wrapped(argv=sys.argv[1:], job=None, outdir=None):
-
             # Generate parser
             prs = parser()
 
@@ -488,7 +487,11 @@ def carpexample(parser=standard_parser,
 
             # Create self-contained bundle
             if settings.cli.bundle is not None:
-                bundle.create_bundle_folder()
+                if not hasattr(sys.modules['__main__'], '__file__'):
+                    print("Your system configuration doesn't allow to use the --bundle option.")
+                    sys.exit(0)
+                else:
+                    bundle.create_bundle_folder()
 
             # Generate job ID
             if temp: