Example Jython script for NoMagic MagicDraw (Cameo Systems Modeler) metachain navigation

jython_example_magicdraw.py

import pprint


def log(thing):  # append to a log file
    if not isinstance(thing, str):
        text = repr(thing)
    else:
        text = thing

    try:
        f = open('/tmp/something.log', 'a')
        f.write(text.rstrip() + '\n')
        f.close()
    except:
        pass  


def dump(obj, indent=0):  # dump info about an object to the log file
    spacing = ' ' * indent
    for k in dir(obj):
        if not k.startswith('get'):
            continue

        if k not in ['getHumanType', 'getName', 'getQualifiedName', 'get_directedRelationshipOfSource', 'get_directedRelationshipOfTarget', 'getSource', 'getTarget', 'getLocalID']:
            continue 
        
        v = getattr(obj, k)

        try:
            data = v()
            if data is not None and len(data) > 0:
                log(spacing + k + ' = ' + str(len(data)) + ' = ' + repr(data))
        except:
            pass
    log('\n')

    log(obj)
    log('\n')

    log(type(obj))
    log('\n')

    log('----\n\n')


contexts = []

# log('\n!!!!\n')

# log('arg1')
# dump(arg1)
for b in arg1.get_directedRelationshipOfSource():
    # log('b')
    # dump(b, 4)
    for c in b.getTarget():
        # log('c')
        # dump(c, 8)
        for d in c.get_directedRelationshipOfTarget():
            # log('d')
            # dump(d, 12)
            
            if d.getHumanType() != 'Verify':
                    continue
            
            for e in d.getSource():
                # log('e')
                # dump(e, 16)

                if e.getHumanType() != 'Test Scenario':
                    continue
                
                contexts += [
                    (
                        e.getName(),
                        e.getHumanType(),
                        e.getID(),
                        e.getLocalID(),
                        e.getQualifiedName(),
                    ),
                ]

log(pprint.pformat(contexts))

result.set([
    repr([x[0], x[3]]) for x in contexts
])