import traceback

import vistrails as vt

vistrail = vt.load_vistrail('examples/simplemath.vt')

vistrail

vistrail.controller.select_latest_version()

vistrail

pipeline = vistrail.get_pipeline(2)
pipeline

tabledata = vt.load_package('org.vistrails.vistrails.tabledata')
tabledata

tabledata.convert

from vistrails.core.modules.module_registry import MissingModule
try:
    tabledata['convert']  # can't get namespaces this way, use a dot
except MissingModule:
    pass
else:
    assert False

tabledata.BuildTable, tabledata['BuildTable']

tabledata.read.CSVFile, tabledata['read|CSVFile']

vistrail.get_module(3)

pipeline = vistrail.current_pipeline
pipeline

list(pipeline.modules)

outputs = vt.load_vistrail('examples/outputs.vt')

# Errors
outputs.select_version(1)

try:
    result = outputs.execute()
except vt.ExecutionErrors:
    traceback.print_exc()
else:
    assert False

# Results
outputs.select_latest_version()
result = outputs.execute()
result

result.module_output(0)

result.output_port('msg')