dataset_parameter.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 typing import Any, List, Optional, Union
 
from ..base_parameter import BaseParameter
from ...utils import getDatasetType, fetchDataset
from ....project import ProjectType
 
 
class DatasetParameter(BaseParameter[Union[int, str]]):
 
    @property
    def types(self) -> List[type]:
        return [int, str]
 
    def parseValue(self, type_: ProjectType) -> Optional[Any]:
        if self.value is None:
            return None
 
        isLocal = isinstance(self.value, str)
        datasetType = getDatasetType(type_, isLocal)
 
        dataset = fetchDataset(datasetType, self.value)
        if dataset is None:
            raise ValueError(f">> [Coretex] Failed to create dataset with type \"{datasetType.__name__}\"")
 
        return dataset
 
    def overrideValue(self, value: Optional[Any]) -> Optional[Any]:
        if value is None:
            return None
 
        try:
            self.value = int(value)
            return self.value
        except ValueError:
            if isinstance(value, str):
                return value
 
        return None