provides(context, feature)
Declare that a feature is provided in context.
>>> c = ConfigurationContext() >>> provides(c, 'apidoc') >>> c.hasFeature('apidoc') True
Spaces are not allowed in feature names (this is reserved for providing many features with a single directive in the futute).
>>> provides(c, 'apidoc onlinehelp') Traceback (most recent call last): ... ValueError: Only one feature name allowed
>>> c.hasFeature('apidoc onlinehelp') False