def _describe_xml_allowedvalues(self):
        doc = OWS.AllowedValues()
        for value in self.allowed_values:
            doc.append(value.describe_xml())
        return doc
Extend a string-type declaration with standard SQL
dataset/ETHPy150Open geopython/pywps/pywps/inout/inputs.py/LiteralInput._describe_xml_allowedvalues--crossover with--dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/dialects/mssql/base.py/MSTypeCompiler._extend