Example #1
0
    def __new__(cls):
        if cls._instance is None:
            def getPlug(name):
                def plug(self, *args, **kw):
                    raise error.PyAsn1Error('Attempted "%s" operation on ASN.1 schema object' % name)
                return plug

            op_names = [name
                        for typ in (str, int, list, dict)
                        for name in dir(typ)
                        if (name not in cls.skipMethods and
                            name.startswith('__') and
                            name.endswith('__') and
                            calling.callable(getattr(typ, name)))]

            for name in set(op_names):
                setattr(cls, name, getPlug(name))

            cls._instance = object.__new__(cls)

        return cls._instance
Example #2
0
    def __new__(cls):
        if cls._instance is None:
            def getPlug(name):
                def plug(self, *args, **kw):
                    raise error.PyAsn1Error('Uninitialized ASN.1 value ("%s" attribute looked up)' % name)
                return plug

            op_names = [name
                        for typ in (str, int, list, dict)
                        for name in dir(typ)
                        if (name not in cls.skipMethods and
                            name.startswith('__') and
                            name.endswith('__') and
                            calling.callable(getattr(typ, name)))]

            for name in set(op_names):
                setattr(cls, name, getPlug(name))

            cls._instance = object.__new__(cls)

        return cls._instance
    def __new__(cls):
        if cls._instance is None:
            def getPlug(name):
                def plug(self, *args, **kw):
                    raise error.PyAsn1Error('Uninitialized ASN.1 value ("%s" attribute looked up)' % name)
                return plug

            op_names = [name
                        for typ in (str, int, list, dict)
                        for name in dir(typ)
                        if (name not in cls.skipMethods and
                            name.startswith('__') and
                            name.endswith('__') and
                            calling.callable(getattr(typ, name)))]

            for name in set(op_names):
                setattr(cls, name, getPlug(name))

            cls._instance = object.__new__(cls)

        return cls._instance
Example #4
0
    def __new__(cls):
        if cls._instance is None:
            def getPlug(name):
                def plug(self, *args, **kw):
                    raise error.PyAsn1Error('Attempted "%s" operation on ASN.1 schema object' % name)
                return plug

            op_names = [name
                        for typ in (str, int, list, dict)
                        for name in dir(typ)
                        if (name not in cls.skipMethods and
                            name.startswith('__') and
                            name.endswith('__') and
                            calling.callable(getattr(typ, name)))]

            for name in set(op_names):
                setattr(cls, name, getPlug(name))

            cls._instance = object.__new__(cls)

        return cls._instance