local_image_dataset.py

#     Copyright (C) 2023  Coretex LLC
 
#     This file is part of Coretex.ai
 
#     This program is free software: you can redistribute it and/or modify
#     it under the terms of the GNU Affero General Public License as
#     published by the Free Software Foundation, either version 3 of the
#     License, or (at your option) any later version.
 
#     This program is distributed in the hope that it will be useful,
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#     GNU Affero General Public License for more details.
 
#     You should have received a copy of the GNU Affero General Public License
#     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
from pathlib import Path
 
import json
 
from .base import BaseImageDataset
from ..local_dataset import LocalDataset
from ...sample import LocalImageSample
from ...annotation import ImageDatasetClass, ImageDatasetClasses
 
 
class LocalImageDataset(BaseImageDataset[LocalImageSample], LocalDataset[LocalImageSample]):  # type: ignore
 
    """
        Represents the Local Image Dataset class \n
        Includes functionality for working with local Image Datasets
 
        Properties
        ----------
        path : Path
            path to dataset
        sampleClass :
            Image Dataset Classes object
        classesPath : Path
            path to classes.json file
    """
 
    def __init__(self, path: Path) -> None:
        super().__init__(path, LocalImageSample)
 
        self.classesclasses = ImageDatasetClasses()
 
        if self.classesPath.exists():
            with open(path / "classes.json") as file:
                value = json.load(file)
                self.classesclasses = ImageDatasetClasses(
                    [ImageDatasetClass.decode(element) for element in value]
                )