Source code for rics.translation.dio._data_structure_io

"""Insertion and extraction of IDs and translations."""
from abc import abstractmethod
from typing import Any, Dict, List, Optional, Sequence

from rics.translation.offline import TranslationMap
from rics.translation.types import IdType, NameType


[docs]class DataStructureIO:
    """Insertion and extraction of IDs and translations."""

[docs]    @staticmethod
    def handles_type(arg: Any) -> bool:
        """Return ``True`` if the implementation handles data for the type of `arg`."""
        raise NotImplementedError

[docs]    @staticmethod
    @abstractmethod
    def extract(c: Any, names: List[NameType]) -> Dict[NameType, Sequence[IdType]]:
        """Extract IDs from `c`.

        Args:
            c: A collection to extract IDs from.
            names: List of names to extract IDs for.

        Returns:
            A dict ``{name, ids}``.
        """

[docs]    @staticmethod
    @abstractmethod
    def insert(c: Any, names: List[NameType], tmap: TranslationMap, copy: bool) -> Optional[Any]:
        """Insert translations into `c`.

        Args:
            c: A collection apply translations for. Modified iff ``copy=False``.
            names: Names in `t` to translate..
            tmap: Translations for IDs in `c`.
            copy: If ``True``, modify contents of the original collection `c`. Otherwise, return a copy.

        Returns:
            A copy of `c` if ``copy=True``. ``None`` otherwise.

        Raises:
            NotInplaceTranslatableError: If ``copy=False`` for a type which is not translatable in-place.
        """