Python pyasn1.type.constraint 模块，SingleValueConstraint() 实例源码

def _msg_type_component(tag_value, values):
    c = constraint.ConstraintsUnion(
        *(constraint.SingleValueConstraint(int(v)) for v in values))
    return _sequence_component('msg-type', tag_value, univ.Integer(),
                               subtypeSpec=c)

def withValues(cls, *values):
        """Creates a subclass with discreet values constraint.
        """

        class X(cls):
            subtypeSpec = cls.subtypeSpec + constraint.SingleValueConstraint(*values)

        X.__name__ = cls.__name__
        return X

def withNamedValues(cls, **values):
        """Creates a subclass with discreet named values constraint.
        """

        class X(cls):
            namedValues = cls.namedValues + namedval.NamedValues(*values.items())
            subtypeSpec = cls.subtypeSpec + constraint.SingleValueConstraint(*values.values())

        X.__name__ = cls.__name__
        return X

def _msg_type_component(tag_value, values):
    c = constraint.ConstraintsUnion(
        *(constraint.SingleValueConstraint(int(v)) for v in values))
    return _sequence_component('msg-type', tag_value, univ.Integer(),
                               subtypeSpec=c)

def withValues(cls, *values):
        """Creates a subclass with discreet values constraint.
        """
        class X(cls):
            subtypeSpec = cls.subtypeSpec + constraint.SingleValueConstraint(*values)
        X.__name__ = cls.__name__
        return X

def withNamedValues(cls, **values):
        """Creates a subclass with discreet named values constraint.
        """
        class X(cls):
            namedValues = cls.namedValues + namedval.NamedValues(*values.items())
            subtypeSpec = cls.subtypeSpec + constraint.SingleValueConstraint(*values.values())
        X.__name__ = cls.__name__
        return X

def _msg_type_component(tag_value, values):
    c = constraint.ConstraintsUnion(
        *(constraint.SingleValueConstraint(int(v)) for v in values))
    return _sequence_component('msg-type', tag_value, univ.Integer(),
                               subtypeSpec=c)

def withValues(cls, *values):
        """Creates a subclass with discreet values constraint.
        """
        class X(cls):
            subtypeSpec = cls.subtypeSpec + constraint.SingleValueConstraint(*values)
        X.__name__ = cls.__name__
        return X

def withNamedValues(cls, **values):
        """Creates a subclass with discreet named values constraint.
        """
        class X(cls):
            namedValues = cls.namedValues + namedval.NamedValues(*values.items())
            subtypeSpec = cls.subtypeSpec + constraint.SingleValueConstraint(*values.values())
        X.__name__ = cls.__name__
        return X