link.feature package

Module contents

class link.feature.Feature(obj, *args, **kwargs)

Bases: object

Base class for feature.

Parameters:obj (any) – Object providing this feature

name = None

class link.feature.featuredprop

Bases: property

Special property to allow traversal by the getfeatures() function.

link.feature.addfeatures(features)

Add features to a class.

Parameters:features (list) – Features to add Returns:decorator Return type:callable

link.feature.getfeatures(obj)

Get list of features provided by an object’s class.

Parameters:obj (any) – Object Returns:List of provided features Return type:list

link.feature.hasfeature(obj, name)

Check if object’s class provides a feature.

Parameters:

• obj (any) – Object
• name (str) – Feature’s name

Returns:

True if feature is provided

Return type:

bool

link.feature.getfeature(obj, name, *args, **kwargs)

Instantiate a feature.

Parameters:

• obj (any) – Object
• name (str) – Feature’s name
• args (Iterable) – Positional arguments for feature’s constructor
• kwargs (dict) – Keyword arguments for feature’s constructor

Returns:

Instance of feature

Return type:

Feature

Raises:

AttributeError – if feature is not provided by object’s class