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e� Z y) a� An interface for publishing rich data to frontends.
There are two components of the display system:
* Display formatters, which take a Python object and compute the
representation of the object in various formats (text, HTML, SVG, etc.).
* The display publisher that is used to send the representation data to the
various frontends.
This module defines the logic display publishing. The display publisher uses
the ``display_data`` message type that is defined in the IPython messaging
spec.
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�DisplayPublisherz�A traited class that publishes display data to frontends.
Instances of this class are created by the main IPython object and should
be accessed there.
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���$�)�&�)� c � � t |t � st d|z � �|� t |t � st d|z � �yy)z�Validate the display data.
Parameters
----------
data : dict
The formata data dictionary.
metadata : dict
Any metadata for the data.
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isinstance�dict� TypeError)r �data�metadatas r �_validate_dataz DisplayPublisher._validate_data+ sJ � � �$��%�� :�T� A�B� B� � � �h��-� � B�T� I�J�J� .� r F�� transient�updatec �� � i }| j �t | j di � }|j � D ]' \ }} ||v s� | || |j |d� � y d|v rt |d � yy)a� Publish data and metadata to all frontends.
See the ``display_data`` message in the messaging documentation for
more details about this message type.
The following MIME types are currently implemented:
* text/plain
* text/html
* text/markdown
* text/latex
* application/json
* application/javascript
* image/png
* image/jpeg
* image/svg+xml
Parameters
----------
data : dict
A dictionary having keys that are valid MIME types (like
'text/plain' or 'image/svg+xml') and values that are the data for
that MIME type. The data itself must be a JSON'able data
structure. Minimally all data should have the 'text/plain' data,
which can be displayed by all frontends. If more than the plain
text is given, it is up to the frontend to decide which
representation to use.
metadata : dict
A dictionary for metadata related to the data. This can contain
arbitrary key, value pairs that frontends can use to interpret
the data. Metadata specific to each mime-type can be specified
in the metadata dict with the same mime-type keys as
the data itself.
source : str, deprecated
Unused.
transient : dict, keyword-only
A dictionary for transient data.
Data in this dictionary should not be persisted as part of saving this output.
Examples include 'display_id'.
update : bool, keyword-only, default: False
If True, only update existing outputs with the same display_id,
rather than creating a new output.
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