Examples with PyNone org.python.core.PyNone used on opensource projects

Example 1 with PyNone

use of org.python.core.PyNone in project freemarker by apache.

the class JythonModelCache method create.

@Override
protected TemplateModel create(Object obj) {
    boolean asHash = false;
    boolean asSequence = false;
    JythonVersionAdapter versionAdapter = JythonVersionAdapterHolder.INSTANCE;
    if (versionAdapter.isPyInstance(obj)) {
        Object jobj = versionAdapter.pyInstanceToJava(obj);
        // FreeMarker-aware, Jython-wrapped Java objects are left intact
        if (jobj instanceof TemplateModel) {
            return (TemplateModel) jobj;
        }
        if (jobj instanceof Map) {
            asHash = true;
        }
        if (jobj instanceof Date) {
            return new DateModel((Date) jobj, BeansWrapper.getDefaultInstance());
        } else if (jobj instanceof Collection) {
            asSequence = true;
            // doesn't support sets.
            if (!(jobj instanceof List)) {
                obj = new ArrayList((Collection) jobj);
            }
        }
    }
    // If it's not a PyObject, first make a PyObject out of it.
    if (!(obj instanceof PyObject)) {
        obj = Py.java2py(obj);
    }
    if (asHash || obj instanceof PyDictionary || obj instanceof PyStringMap) {
        return JythonHashModel.FACTORY.create(obj, wrapper);
    }
    if (asSequence || obj instanceof PySequence) {
        return JythonSequenceModel.FACTORY.create(obj, wrapper);
    }
    if (obj instanceof PyInteger || obj instanceof PyLong || obj instanceof PyFloat) {
        return JythonNumberModel.FACTORY.create(obj, wrapper);
    }
    if (obj instanceof PyNone) {
        return null;
    }
    return JythonModel.FACTORY.create(obj, wrapper);
}