Module shaystack.empty_grid
Read-only Empty grid
Expand source code
# -*- coding: utf-8 -*-
# Zinc Grid dumper
# See the accompanying LICENSE file.
# (C) 2016 VRT Systems
# (C) 2021 Engie Digital
#
# vim: set ts=4 sts=4 et tw=78 sw=4 si:
"""
Read-only Empty grid
"""
from typing import Union, List, Optional, Iterable
from .datatypes import Ref
from .grid import Grid
from .type import Entity
from .version import VER_3_0
class _ImmuableGrid(Grid):
def __add__(self, other: 'Grid') -> 'Grid':
raise NotImplementedError("Read only grid")
def __setitem__(self, index: Union[int, Ref, slice], value: Union[Entity, List[Entity]]) -> 'Grid':
raise NotImplementedError("Read only grid")
def __delitem__(self, key: Union[int, Ref]) -> Optional[Entity]:
raise NotImplementedError("Read only grid")
def clear(self):
raise NotImplementedError("Read only grid")
def pop(self, *index: Union[int, Ref]) -> Optional[Entity]:
raise NotImplementedError("Read only grid")
def insert(self, index: int, value: Entity) -> 'Grid':
raise NotImplementedError("Read only grid")
def reindex(self) -> 'Grid':
raise NotImplementedError("Read only grid")
def pack_columns(self) -> 'Grid':
raise NotImplementedError("Read only grid")
def extends_columns(self) -> 'Grid':
raise NotImplementedError("Read only grid")
def extend(self, values: Iterable[Entity]) -> 'Grid':
raise NotImplementedError("Read only grid")
def sort(self, tag: str) -> 'Grid':
raise NotImplementedError("Read only grid")
def purge(self) -> 'Grid':
raise NotImplementedError("Read only grid")
def copy(self) -> 'Grid':
return Grid()
EmptyGrid = _ImmuableGrid(version=VER_3_0, columns={"empty": {}})