datools package

Submodules

datools.cli module

Console script for datools.

datools.datools module

Main module.

datools.errors module

exception datools.errors.DatoolsError

Bases: Exception

datools.explanations module

datools.models module

class datools.models.Aggregate(function: datools.models.AggregateFunction, column: datools.models.Column, as_name: datools.models.Column)

Bases: object

as_name: Column

column: Column

function: AggregateFunction

to_sql()

class datools.models.AggregateFunction(value)

Bases: Enum

An enumeration.

AVERAGE = 3

COUNT = 2

SUM = 1

class datools.models.Column(name: str)

Bases: object

name: str

class datools.models.Constant(value: Any)

Bases: object

value: Any

class datools.models.Explanation(predicates: Tuple[datools.models.Predicate, ...], risk_ratio: float)

Bases: object

predicates: Tuple[Predicate, ...]

risk_ratio: float

class datools.models.Operator(value)

Bases: Enum

An enumeration.

EQUALS = 1

GT = 3

GTEQ = 5

LT = 4

LTEQ = 6

NOT_EQUALS = 2

class datools.models.Predicate(left: datools.models.Column, operator: datools.models.Operator, right: datools.models.Constant)

Bases: object

left: Column

operator: Operator

right: Constant

to_sql()

class datools.models.Table(name: str)

Bases: object

name: str

datools.sqlalchemy_utils module

datools.table_statistics module

class datools.table_statistics.ColumnStatistics

Bases: object

class datools.table_statistics.RangeValuedStatistics(bucket_minimums: List[Any])

Bases: ColumnStatistics

bucket_minimums: List[Any]

class datools.table_statistics.SetValuedStatistics(distinct_values: int, most_common_values: list)

Bases: ColumnStatistics

distinct_values: int

most_common_values: list

datools.table_statistics.column_statistics(engine: Engine, table: Table, columns_to_ignore: Set[Column]) → Dict[Column, List[ColumnStatistics]]

datools.table_statistics.range_valued_statistics(engine: Engine, query: str, columns: Set[Column], num_buckets: int = 3) → List[Tuple[Column, RangeValuedStatistics]]

datools.table_statistics.set_valued_statistics(engine: Engine, query: str, columns: Set[Column], num_most_common_values: int = 100) → List[Tuple[Column, SetValuedStatistics]]

Module contents

Top-level package for datools.