cytoscape_helper.py 文件源码

def serialize_json(obj):
    """
    A helper method for serializing Cytoscape.js elements in desired json form.
    :param obj: Object to serialize
    :return: JSON string representation of obj
    """
    # handle concrete class serialization
    if hasattr(obj, '__metaclass__') and obj.__metaclass__.__name__ == 'Element':
        json = {}  # { '__classname__' : type(obj).__name__ }
        json.update(vars(obj))
        json.pop('__metaclass__', None)  # remove __metaclass__ from json
    # handle abstract class serialization
    elif obj.__class__.__name__ == 'type' and obj.__name__ == 'Element':
        json = obj.__name__
    elif obj.__class__.__name__ == 'ViewStyle':
        json = {}
        json.update(vars(obj))
    else:
        json = obj.__str__()
    return json