optiwindnet.db

Package Contents

optiwindnet.db.open_database(filepath: str, create_db: bool = False) → pony.orm.Database

Opens the sqlite database v2 file specified in filepath.

Parameters:

• filepath – path to database file

• create_db – True -> create a new file if it does not exist

Returns:

Database object (Pony ORM)

optiwindnet.db.G_by_method(G: networkx.Graph, method: object, db: pony.orm.Database) → networkx.Graph

Fetch from the database a layout for G by method. G must be a layout solution with the necessary info in the G.graph dict. method is a Method.

optiwindnet.db.G_from_routeset(routeset: object) → networkx.Graph

Translate a RouteSet database entry to a routeset graph.

Parameters:

routeset – an entry from the database RouteSet table.

Returns:

Graph G containing the routeset.

optiwindnet.db.Gs_from_attrs(farm: object, methods: object | collections.abc.Sequence[object], capacities: int | collections.abc.Sequence[int], db: pony.orm.Database) → list[tuple[networkx.Graph]]

Fetch from the database a list (one per capacity) of tuples (one per method) of layouts. farm must have the desired NodeSet name in the name attribute. methods is a (sequence of) Method instance(s). capacities is a (sequence of) int(s).

optiwindnet.db.L_from_nodeset(nodeset: object, handle: str | None = None) → networkx.Graph

Translate a NodeSet database entry to a location graph.

Parameters:

nodeset – an entry from the database NodeSet table.

Returns:

Graph L containing the positions and location metadata.