corelay.utils

CoRelAy utils contains conditional importing functionality.

Functions

dummy_from_module_import	Use to replace 'from lib import func'.
dummy_import_module	Use to replace 'import lib`.
import_or_stub	Use to conditionally import packages.
zip_equal	Zip positional arguments only if they are of equal length.

Classes

Iterable	Iterables with strict member type checking
IterableMeta	Meta class to implement member instance checking for Iterables

class corelay.utils.Iterable

Bases: object

Iterables with strict member type checking

class corelay.utils.IterableMeta

Bases: type

Meta class to implement member instance checking for Iterables

corelay.utils.dummy_from_module_import(name)

Use to replace ‘from lib import func’.

corelay.utils.dummy_import_module(name)

Use to replace ‘import lib`.

corelay.utils.import_or_stub(name, subname=None)

Use to conditionally import packages.

Parameters:

• name (str) – Module name. Ie. ‘module.lib’

• subname (tuple[str] or str or None) – Functions or classes to be imported from ‘name’.

corelay.utils.zip_equal(*args)

Zip positional arguments only if they are of equal length.

Parameters:

*args (Iterable) – Iterables of equal length to be zipped

Yields:

tuple – Zipped elements

Raises:

TypeError – If positional arguments are no Iterables, or have different length.