def import_variables():
    from calculate.variables.datavars import (
        Namespace,
        Variable,
        Dependence,
        StringType,
        HashType,
        TableType,
        IntegerType,
        FloatType
        )

    with Namespace('linux'):
        Variable('shortname', source='', type=StringType)

        Variable('ver', source='', type=StringType)

        Variable('fullname', source='', type=StringType)

        Variable('subname', source='', type=StringType)

        Variable('arch', source='', type=StringType)

        Variable('test_1', source=12, type=IntegerType)

        Variable('test_2', source=1.2, type=FloatType)

        def get_title(subname, fullname, ver):
            if subname.value:
                return '{} {} {}'.format(fullname.value,
                                         subname.value,
                                         ver.value)
            else:
                return '{} {}'.format(fullname.value, ver.value)
        Variable('title', type=StringType,
                 source=Dependence('.subname', '.fullname', '.ver',
                                   depend=get_title))

    Variable('hashvar', source={'value1': 'test1',
                                'value2': 'test2'}, type=HashType)

    Variable('hashvar_0', source={'value1': 'test1',
                                  'value2': 'test2'}, type=HashType)

    Variable('hashvar_1', source={'key1': 'value1',
                                  'key2': 'value2'}, type=HashType)

    Variable('hashvar_2', source={'id_1': 1349,
                                  'id_2': 1575}, type=HashType)

    Variable('calculate', type=StringType,
             source=Dependence('.hashvar_0',
                               depend=lambda hashvar: "{} {}".format(
                                                     hashvar.value['value1'],
                                                     hashvar.value['value2'])))

    Variable('tablevar', type=TableType, source=[{"dev": "/dev/sdb1",
                                                  "mount": "/"},
                                                 {"dev": "/dev/sdb2",
                                                  "mount": "/var/calculate"}])