Source code for visions.types.image

import imghdr
from pathlib import Path
from typing import Sequence

import pandas as pd

from visions.relations import IdentityRelation, TypeRelation
from visions.types.type import VisionsBaseType
from visions.utils.series_utils import nullable_series_contains


def _get_relations(cls) -> Sequence[TypeRelation]:
    from visions.types import File

    relations = [IdentityRelation(cls, File)]
    return relations


[docs]class Image(VisionsBaseType): """**Image** implementation of :class:`visions.types.type.VisionsBaseType`. (i.e. series with all image files) Examples: >>> x = pd.Series([Path('/home/user/file.png'), Path('/home/user/test2.jpg')]) >>> x in visions.Image True """ @classmethod def get_relations(cls) -> Sequence[TypeRelation]: return _get_relations(cls) @classmethod @nullable_series_contains def contains_op(cls, series: pd.Series, state: dict) -> bool: return all( isinstance(p, Path) and p.exists() and imghdr.what(p) for p in series )