![]() ![]() TimeSignature, KeySignature and related analytical is RichMetadata adds to Metadata information about the contents of the Score Instance variables inherited from Music21Object: uniqueNameToNamespaceName ( 'alternativeTitle' ) 'dcterms:alternative' Note that we cannot properly type-hint the return value, since derived classes (suchĪs RichMetadata) are allowed to return their own typed values that might not be str ReturnSorted is False, the returned Tuple will not be sorted by uniqueName (the Will retain their original ValueType (e.g. (default), values are all converted to str. Of these are True, the returned Tuple will be empty. SkipNonContributors is True, only contributor metadata will be returned. If skipContributors is True, only non-contributor metadata will be returned. ReturnPrimitives, returnSorted) are defaulted to behave like v7. The three that are new in v8 (skipNonContributors, Returns the values stored in this metadata as a Tuple of (uniqueName, value) pairs. all ( *, skipContributors : bool = False, skipNonContributors : bool = False, returnPrimitives : bool = False, returnSorted : bool = True ) → Tuple. ![]() > isinstance ( measures, tuple ) True > len ( measures ) 3 > measures (,, ) Metadata. The old music21 v7 name in these cases is still supported Some workIds from music21 v7 have been renamed (e.g. To get a simple string, use attribute-style access by unique name. In many cases, each Stream will have a single Metadata object at the zero Metadata is a Music21Object subclass, meaning that itĬan be positioned on a Stream by offset and have a Metadata represent data for a work or fragment, including title, composer, AmbitusShort ( semitones, diatonic, pitchLowest, pitchHighest ) ¶ Metadata ¶ class tadata. See metadata/primitives.py for more information. In music21 v8, primitives.Text has been updated to add isTranslated to keep track ofĪs well as an encoding scheme, that specifies which standard should be used to parse Custom metadata (whether namespaced this way, or free form) can alsoīe written to various other file formats without interpretation, as long as there Understood ‘soundtracker:’ metadata could then write it back accurately to one of Md.addCustom(‘soundtracker:SampleName’, ‘Bassoon’), and a. For instance, toĮmbed the old SoundTracker. GetCustom/addCustom/setCustom, clients can set anything they want. Metadata does not explicitly support client-specified namespaces, but by using getCustom ( 'modification description' ) (, ) addCustom ( 'modification description', 'deleted redundant natural in measure 28' ) > md. Set a title (overwrites any existing titles): Without deleting existing items, use the md.add() API. If an item or list of items is set (whether attribute-style or dictionary-style),Īny existing items of that name are deleted. Value type, use a dictionary-style get operation (e.g. To see the full list of metadata items in their native If there is more than one item of that name, a summary Them: use an attribute-style get operation (e.g. And you can also have metadataįor simple metadata items, like a single title, there is an easy way to get/set One of any such item (not just contributors). ‘composer’, ‘alternativeTitle’, etc).Įach metadata property can be specified by ‘uniqueName’ or by ‘namespace:name’.įor example: md and md are equivalent, as are (namespace = ‘marcrel’), and Humdrum (namespace = ‘humdrum’). Which are pulled from Dublin Core (namespace = ‘dcterms’), MARC Relator codes Music21 includes a list of supported property terms, In the v8 implementation, contributor roles are treated the same as other And while there was some support forĬustom contributor roles, there was no support for other custom metadata, only More than one of each contributor roleĬould exist, but only one of each workId. The previous Metadata implementation had a list of supported workIds, and alsoĪ list of standard contributor roles. The class Metadata has been completely rewritten in music21 v8 to support show ()Ī guide to the v8+ Dublin Core implementation: ![]()
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