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annotate doc/libervia-cli/pubsub_node_schema.rst @ 4095:684ba556a617

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core (memory/sqla_mapping): fix legacy pickled values: folloing packages refactoring, legacy pickled values could not be unpickled (due to use of old classes). This temporary workaround fix it, but the right thing to do will be to move from pickle to JSON at some point.
author Goffi <goffi@goffi.org>
date Mon, 12 Jun 2023 14:57:27 +0200
parents 267e4987b58b
children
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1 .. _libervia-cli_pubsub_node_schema:
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3 =========================================
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4 pubsub/node/schema: nodes schema handling
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5 =========================================
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6
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7 ``node schema`` is an experimental feature to associate a data form with a PubSub node, and
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8 reject items not following this form. This feature is currently only available with Libervia
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9 PubSub.
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11 Those commands can only be used by an owner of the node.
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13 set
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14 ===
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15
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16 Set the schema of a node. The raw schema is written directly as positional argument.
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17
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18 example
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19 -------
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20
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21 Set the schema for tickets node using the file ``tickets_schema.xml`` from ``$HOME``
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22 directory. Shell substition is used here to put the content of the file in the positional
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23 argument::
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24
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25 $ li pubsub node schema set -n org.salut-a-toi.tickets:0 -s pubsub.example.org "$(<~/test_schema.xml)"
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28 edit
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29 ====
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30
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31 Edit the schema of a node using your local editor (the one set in ``$EDITOR``).
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32
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33 If you don't change anything or publish an empty schema, the edition will be cancelled.
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34
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35 :ref:`draft_common` commands can be used.
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37 example
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38 -------
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40 Edit the tickets node schema::
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41
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42 $ li pubsub node schema edit -n org.salut-a-toi.tickets:0 -s pubsub.example.org
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45 example
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46 -------
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48 get
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49 ===
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51 Retrieve schema of a node.
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53 example
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54 -------
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56 Get schema of tickets and save it to a file named ``tickets_schema.xml`` in ``$HOME``
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57 directory::
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58
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59 $ li pubsub node schema get -n org.salut-a-toi.tickets:0 -s pubsub.example.org > ~/tickets_schema.xml