File size: 4,468 Bytes
07423df |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 |
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()
|