API Documentation

class estoult.Association

Bases: object

One to One/Many associations to help translate between relational data and object data.

Many to Many is currently not supported because it does not translate well into an object structure.

static has_many(schema, on=[])

static has_one(schema, on=[])

class estoult.Field(type, name=None, caster=None, null=True, default=None, primary_key=False)

Bases: object

A schema field, analogous to columns on a table.

Parameters:

• type (type) – Basic datatype of the field, used to cast values into the database.

• name (str, optional) – The column name of the field, will default to the variable name of the field.

• caster (callable, optional) – A specified caster type/function for more extensive casting.

• null (bool, optional) – Field allows nulls.

• default (optional) – Default value.

• primary_key (bool, optional) – Field is the primary key.

property full_name

class estoult.MySQLDatabase(*args, **kwargs)

Bases: Database

mogrify(*args, **kwargs)

class estoult.PostgreSQLDatabase(*args, **kwargs)

Bases: Database

mogrify(*args, **kwargs)

class estoult.Query(schema)

Bases: object

copy()

delete()

execute() → Any

full_join(schema, on)

full_outer_join(schema, on)

get(*args)

get_or_none(*args)

inner_join(schema, on)

left_join(schema, on)

left_outer_join(schema, on)

limit(*args)

order_by(*args)

preload(association)

right_join(schema, on)

right_outer_join(schema, on)

select(*args)

union(schema)

update(changeset)

where(*clauses)

class estoult.SQLiteDatabase(*args, **kwargs)

Bases: Database

mogrify(*args, **kwargs)

class estoult.Schema

Bases: object

A schema representation of a database table.

Variables:

_allow_wildcard_select – Determines if wildcards can be used when ‘selecting’.

classmethod delete(row)

classmethod delete_by_pk(id)

classmethod insert(obj)

classmethod update(old, new)

classmethod update_by_pk(id, new)

class estoult.fn

Bases: object

classmethod add_fn(name, sql_fn)

Adds an additional function to the module.

Parameters:

• name (str) – What the name of the function should be called.

• sql_fn (str) – The SQL function it is turned into.

static alias(lhs, rhs)

static avg(*args)

static cast(lhs, rhs)

static ceil(*args)

static concat(*args)

static count(*args)

static distinct(*args)

static max(*args)

static min(*args)

static sum(*args)

static wild(schema)

Select a schema with wildcard.

Parameters:

schema (Schema) – The schema.

class estoult.op

Bases: object

static add(*args)

classmethod add_op(name: str, op: str) → None

Adds an operator to the module.

static and_(lhs, rhs)

static eq(*args)

static ge(*args)

static gt(*args)

static ilike(*args)

static in_(lhs, rhs)

static is_null(*args)

static le(*args)

static like(lhs, rhs)

static lt(*args)

static mod(*args)

static mul(*args)

static ne(*args)

static not_(*args)

static not_null(*args)

static or_(lhs, rhs)

static sub(*args)

static truediv(*args)

class estoult.qf(name)

Bases: Field

Query field - an extra user defined field used for queries. This is mainly needed for referencing aliases.

Parameters:

name (str) – The name of the field.

property full_name