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| from typing import Optional | |
| import pandas as pd | |
| from pandas.core.frame import DataFrame | |
| from sqlalchemy import Integer, String, create_engine | |
| from sqlalchemy.orm import DeclarativeBase, Mapped, Session, mapped_column | |
| class Base(DeclarativeBase): | |
| pass | |
| class Dataset(Base): | |
| """Dataset table""" | |
| __tablename__ = "datasets" | |
| id: Mapped[int] = mapped_column("id", Integer, autoincrement=True, primary_key=True) | |
| name: Mapped[str] = mapped_column("name", String, unique=True) | |
| path: Mapped[str] = mapped_column("path", String) | |
| config_file: Mapped[str] = mapped_column("config_file", String) | |
| train_rows: Mapped[int] = mapped_column("train_rows", Integer) | |
| validation_rows: Mapped[Optional[int]] = mapped_column( | |
| "validation_rows", Integer, nullable=True | |
| ) | |
| class Experiment(Base): | |
| """Experiment table""" | |
| __tablename__ = "experiments" | |
| id: Mapped[int] = mapped_column("id", Integer, primary_key=True) | |
| name: Mapped[str] = mapped_column("name", String) | |
| mode: Mapped[str] = mapped_column("mode", String) | |
| dataset: Mapped[str] = mapped_column("dataset", String) | |
| config_file: Mapped[str] = mapped_column("config_file", String) | |
| path: Mapped[str] = mapped_column("path", String) | |
| seed: Mapped[int] = mapped_column("seed", Integer) | |
| process_id: Mapped[int] = mapped_column("process_id", Integer) | |
| gpu_list: Mapped[str] = mapped_column("gpu_list", String) | |
| class Database: | |
| """Class for managing database.""" | |
| def __init__(self, path_db: str) -> None: | |
| """Initialize database | |
| Args: | |
| path_db: path to sqlite database file | |
| """ | |
| self.__engine__ = create_engine(f"sqlite:///{path_db}") | |
| Base.metadata.create_all(self.__engine__) | |
| self._session = Session(self.__engine__) | |
| def add_dataset(self, dataset: Dataset) -> None: | |
| """Add a dataset to the table | |
| Args: | |
| dataset: dataset to add | |
| """ | |
| self._session.add(dataset) | |
| self._session.commit() | |
| def delete_dataset(self, id: int) -> None: | |
| """Delete a dataset from the table | |
| Args: | |
| id: dataset id to delete | |
| """ | |
| dataset = self._session.query(Dataset).get(int(id)) | |
| self._session.delete(dataset) | |
| self._session.commit() | |
| def get_dataset(self, id: int) -> Dataset: | |
| """Return dataset given an id | |
| Args: | |
| id: dataset id to return | |
| Returns: | |
| Dataset with given id | |
| """ | |
| return self._session.query(Dataset).get(int(id)) | |
| def get_datasets_df(self) -> DataFrame: | |
| """Return dataframe containing all datasets | |
| Returns: | |
| All datasets | |
| """ | |
| datasets = pd.read_sql(self._session.query(Dataset).statement, self.__engine__) | |
| return datasets.sort_values("id", ascending=False) | |
| def add_experiment(self, experiment: Experiment) -> None: | |
| """Add an experiment to the table | |
| Args: | |
| experiment: experiment to add | |
| """ | |
| self._session.add(experiment) | |
| self._session.commit() | |
| def delete_experiment(self, id: int) -> None: | |
| """Delete an experiment from the table | |
| Args: | |
| id: experiment id to delete | |
| """ | |
| experiment = self._session.query(Experiment).get(int(id)) | |
| self._session.delete(experiment) | |
| self._session.commit() | |
| def get_experiment(self, id: int) -> Experiment: | |
| """Return experiment given an id | |
| Args: | |
| id: experiment id to return | |
| Returns: | |
| Experiment with given id | |
| """ | |
| return self._session.query(Experiment).get(int(id)) | |
| def get_experiments_df(self) -> DataFrame: | |
| """Return dataframe containing all experiments | |
| Returns: | |
| All experiments | |
| """ | |
| experiments = pd.read_sql( | |
| self._session.query(Experiment).statement, self.__engine__ | |
| ) | |
| return experiments.sort_values("id", ascending=False) | |
| def rename_experiment(self, id: int, new_name: str, new_path: str) -> None: | |
| """Rename experiment given id and new name | |
| Args: | |
| id: experiment id | |
| new_name: new name | |
| """ | |
| experiment = self.get_experiment(id) | |
| experiment.name = new_name | |
| experiment.path = new_path | |
| self._session.commit() | |
| def update(self) -> None: | |
| self._session.commit() | |