Part of elisa.core.components.metadata_capability View In Hierarchy
Known subclasses: elisa.core.tests.test_metadata_manager.FlexibleMeta, elisa.plugins.amazon.metadata.AmazonCovers, elisa.plugins.tutorials.amazon.metadata.AmazonCovers
A metadata capability is a special type of capability that provides metadata retrieval services on top of a given resource provider.
For example, this could be a music album cover retriever built on top of the Amazon resource provider.
A metadata capability has a rank that determines the level of confidence the metadata manager should give it when retrieving metadata. It allows to give a capability a higher priority over another one.| Class Variables | rank | the rank of the capability for the metadata manager
(type: positive int
) |
| Line # | Kind | Name | Docs |
|---|---|---|---|
| 50 | Method | able_to_handle | Test whether the capability is able to handle a metadata request on the |
| 64 | Method | get_metadata | Try to retrieve metadata and populate the model with it. |
Inherited from Component (via Capability):
| Line # | Kind | Name | Docs |
|---|---|---|---|
| 85 | Class | PathDescriptor | Undocumented |
| 97 | Class Method | create | Create and initialize the component. |
| 130 | Method | initialize | Initialize the component. |
| 142 | Method | clean | Clean the component. |
Inherited from Loggable (via Capability, Component):
| Line # | Kind | Name | Docs |
|---|---|---|---|
| 81 | Method | __init__ | Undocumented |
| Parameters | model | the model for which metadata is requested
(type: a subclass of elisa.core.components.model.Model
) |
| Returns | True if the capability is able to handle the given model, False
otherwise
(type: bool
) | |
| Parameters | model | the model that should be populated with the metadata
(type: a subclass of elisa.core.components.model.Model
) |
| Returns | a deferred fired when the metadata retrieval is complete
(type: twisted.internet.defer.Deferred
) | |