taipy.core.data.JSONDataNode

Bases: DataNode, _AbstractFileDataNode

Data Node stored as a JSON file.

Attributes:

Name	Type	Description
`config_id`	`str`	Identifier of the data node configuration. This string must be a valid Python identifier.
`scope`	`Scope`	The scope of this data node.
`id`	`str`	The unique identifier of this data node.
`owner_id`	`str`	The identifier of the owner (sequence_id, scenario_id, cycle_id) or `None`.
`parent_ids`	`Optional[Set[str]]`	The identifiers of the parent tasks or `None`.
`last_edit_date`	`datetime`	The date and time of the last modification.
`edits`	`List[Edit]`	The ordered list of edits for that job.
`version`	`str`	The string indicates the application version of the data node to instantiate. If not provided, the current version is used.
`validity_period`	`Optional[timedelta]`	The duration implemented as a timedelta since the last edit date for which the data node can be considered up-to-date. Once the validity period has passed, the data node is considered stale and relevant tasks will run even if they are skippable (see the Task management page for more details). If validity_period is set to `None`, the data node is always up-to-date.
`edit_in_progress`	`bool`	True if a task computing the data node has been submitted and not completed yet. False otherwise.
`editor_id`	`Optional[str]`	The identifier of the user who is currently editing the data node.
`editor_expiration_date`	`Optional[datetime]`	The expiration date of the editor lock.
`path`	`str`	The path to the JSON file.
`encoder`	`JSONEncoder`	The JSON encoder that is used to write into the JSON file.
`decoder`	`JSONDecoder`	The JSON decoder that is used to read from the JSON file.
`properties`	`dict[str, Any]`	A dictionary of additional properties. The properties must have a "default_path" or "path" entry with the path of the JSON file: "default_path" `(str)`: The default path of the CSV file. "encoding" `(str)`: The encoding of the CSV file. The default value is `utf-8`. "default_data": The default data of the data nodes instantiated from this json data node.