do not force example workflows to have inputnode.in_data

Author: oesteban

examples/fmri_spm_nested.py

@@ -284,7 +284,7 @@ def _template_path(in_data):
 """
 
 datasource = pe.Node(nio.DataGrabber(infields=['subject_id'],
-                                               outfields=['func', 'struct']),
+                                     outfields=['func', 'struct']),
                      name='datasource')
 datasource.inputs.template = 'nipype-tutorial/data/%s/%s.nii'
 datasource.inputs.template_args = info

tools/run_examples.py

@@ -37,7 +37,11 @@ def run_examples(example, pipelines, data_path, plugin=None):
                                    'stop_on_first_rerun': 'true',
                                    'write_provenance': 'true'},
                      'logging': {'log_directory': log_dir, 'log_to_file': True}}
-        wf.inputs.inputnode.in_data = os.path.abspath(data_path)
+        try:
+            wf.inputs.inputnode.in_data = os.path.abspath(data_path)
+        except AttributeError:
+            pass # the workflow does not have inputnode.in_data
+
         wf.run(plugin=plugin, plugin_args=plugin_args)
         # run twice to check if nothing is rerunning
         wf.run(plugin=plugin)