kopia lustrzana https://github.com/simonw/datasette
565 wiersze
14 KiB
ReStructuredText
565 wiersze
14 KiB
ReStructuredText
.. _configuration:
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Configuration
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=============
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Datasette offers several ways to configure your Datasette instances: server settings, plugin configuration, authentication, and more.
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Most configuration can be handled using a ``datasette.yaml`` configuration file, passed to datasette using the ``--config``/ ``-c`` flag:
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.. code-block:: bash
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datasette mydatabase.db --config datasette.yaml
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This file can also use JSON, as ``datasette.json``. YAML is recommended over JSON due to its support for comments and multi-line strings.
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.. _configuration_reference:
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``datasette.yaml`` reference
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----------------------------
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This example shows many of the valid configuration options that can exist inside ``datasette.yaml``.
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.. [[[cog
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from metadata_doc import config_example
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import textwrap
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config_example(cog, textwrap.dedent(
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"""
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# Datasette settings block
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settings:
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default_page_size: 50
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sql_time_limit_ms: 3500
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max_returned_rows: 2000
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# top-level plugin configuration
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plugins:
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datasette-my-plugin:
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key: valueA
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# Database and table-level configuration
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databases:
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your_db_name:
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# plugin configuration for the your_db_name database
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plugins:
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datasette-my-plugin:
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key: valueA
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tables:
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your_table_name:
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allow:
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# Only the root user can access this table
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id: root
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# plugin configuration for the your_table_name table
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# inside your_db_name database
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plugins:
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datasette-my-plugin:
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key: valueB
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""")
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)
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.. ]]]
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.. tab:: datasette.yaml
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.. code-block:: yaml
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# Datasette settings block
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settings:
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default_page_size: 50
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sql_time_limit_ms: 3500
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max_returned_rows: 2000
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# top-level plugin configuration
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plugins:
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datasette-my-plugin:
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key: valueA
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# Database and table-level configuration
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databases:
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your_db_name:
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# plugin configuration for the your_db_name database
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plugins:
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datasette-my-plugin:
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key: valueA
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tables:
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your_table_name:
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allow:
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# Only the root user can access this table
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id: root
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# plugin configuration for the your_table_name table
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# inside your_db_name database
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plugins:
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datasette-my-plugin:
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key: valueB
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.. tab:: datasette.json
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.. code-block:: json
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{
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"settings": {
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"default_page_size": 50,
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"sql_time_limit_ms": 3500,
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"max_returned_rows": 2000
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},
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"plugins": {
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"datasette-my-plugin": {
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"key": "valueA"
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}
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},
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"databases": {
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"your_db_name": {
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"plugins": {
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"datasette-my-plugin": {
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"key": "valueA"
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}
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},
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"tables": {
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"your_table_name": {
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"allow": {
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"id": "root"
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},
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"plugins": {
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"datasette-my-plugin": {
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"key": "valueB"
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}
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}
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}
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}
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}
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}
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}
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.. [[[end]]]
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.. _configuration_reference_settings:
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Settings
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~~~~~~~~
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:ref:`settings` can be configured in ``datasette.yaml`` with the ``settings`` key:
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.. [[[cog
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from metadata_doc import config_example
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import textwrap
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config_example(cog, textwrap.dedent(
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"""
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# inside datasette.yaml
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settings:
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default_allow_sql: off
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default_page_size: 50
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""").strip()
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)
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.. ]]]
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.. tab:: datasette.yaml
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.. code-block:: yaml
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# inside datasette.yaml
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settings:
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default_allow_sql: off
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default_page_size: 50
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.. tab:: datasette.json
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.. code-block:: json
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{
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"settings": {
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"default_allow_sql": "off",
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"default_page_size": 50
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}
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}
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.. [[[end]]]
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The full list of settings is available in the :ref:`settings documentation <settings>`. Settings can also be passed to Datasette using one or more ``--setting name value`` command line options.`
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.. _configuration_reference_plugins:
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Plugin configuration
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~~~~~~~~~~~~~~~~~~~~
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:ref:`Datasette plugins <plugins>` often require configuration. This plugin configuration should be placed in ``plugins`` keys inside ``datasette.yaml``.
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Most plugins are configured at the top-level of the file, using the ``plugins`` key:
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.. [[[cog
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from metadata_doc import config_example
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import textwrap
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config_example(cog, textwrap.dedent(
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"""
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# inside datasette.yaml
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plugins:
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datasette-my-plugin:
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key: my_value
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""").strip()
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)
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.. ]]]
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.. tab:: datasette.yaml
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.. code-block:: yaml
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# inside datasette.yaml
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plugins:
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datasette-my-plugin:
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key: my_value
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.. tab:: datasette.json
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.. code-block:: json
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{
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"plugins": {
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"datasette-my-plugin": {
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"key": "my_value"
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}
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}
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}
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.. [[[end]]]
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Some plugins can be configured at the database or table level. These should use a ``plugins`` key nested under the appropriate place within the ``databases`` object:
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.. [[[cog
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from metadata_doc import config_example
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import textwrap
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config_example(cog, textwrap.dedent(
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"""
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# inside datasette.yaml
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databases:
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my_database:
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# plugin configuration for the my_database database
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plugins:
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datasette-my-plugin:
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key: my_value
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my_other_database:
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tables:
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my_table:
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# plugin configuration for the my_table table inside the my_other_database database
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plugins:
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datasette-my-plugin:
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key: my_value
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""").strip()
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)
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.. ]]]
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.. tab:: datasette.yaml
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.. code-block:: yaml
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# inside datasette.yaml
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databases:
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my_database:
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# plugin configuration for the my_database database
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plugins:
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datasette-my-plugin:
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key: my_value
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my_other_database:
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tables:
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my_table:
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# plugin configuration for the my_table table inside the my_other_database database
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plugins:
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datasette-my-plugin:
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key: my_value
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.. tab:: datasette.json
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.. code-block:: json
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{
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"databases": {
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"my_database": {
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"plugins": {
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"datasette-my-plugin": {
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"key": "my_value"
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}
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}
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},
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"my_other_database": {
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"tables": {
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"my_table": {
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"plugins": {
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"datasette-my-plugin": {
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"key": "my_value"
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}
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}
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}
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}
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}
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}
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}
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.. [[[end]]]
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.. _configuration_reference_permissions:
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Permissions configuration
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~~~~~~~~~~~~~~~~~~~~~~~~~
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Datasette's :ref:`authentication and permissions <authentication>` system can also be configured using ``datasette.yaml``.
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Here is a simple example:
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.. [[[cog
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from metadata_doc import config_example
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import textwrap
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config_example(cog, textwrap.dedent(
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"""
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# Instance is only available to users 'sharon' and 'percy':
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allow:
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id:
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- sharon
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- percy
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# Only 'percy' is allowed access to the accounting database:
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databases:
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accounting:
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allow:
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id: percy
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""").strip()
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)
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.. ]]]
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.. tab:: datasette.yaml
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.. code-block:: yaml
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# Instance is only available to users 'sharon' and 'percy':
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allow:
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id:
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- sharon
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- percy
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# Only 'percy' is allowed access to the accounting database:
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databases:
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accounting:
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allow:
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id: percy
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.. tab:: datasette.json
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.. code-block:: json
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{
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"allow": {
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"id": [
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"sharon",
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"percy"
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]
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},
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"databases": {
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"accounting": {
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"allow": {
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"id": "percy"
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}
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}
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}
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}
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.. [[[end]]]
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:ref:`authentication_permissions_config` has the full details.
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.. _configuration_reference_canned_queries:
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Canned queries configuration
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:ref:`Canned queries <canned_queries>` are named SQL queries that appear in the Datasette interface. They can be configured in ``datasette.yaml`` using the ``queries`` key at the database level:
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.. [[[cog
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from metadata_doc import config_example, config_example
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config_example(cog, {
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"databases": {
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"sf-trees": {
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"queries": {
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"just_species": {
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"sql": "select qSpecies from Street_Tree_List"
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}
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}
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}
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}
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})
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.. ]]]
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.. tab:: datasette.yaml
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.. code-block:: yaml
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databases:
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sf-trees:
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queries:
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just_species:
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sql: select qSpecies from Street_Tree_List
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.. tab:: datasette.json
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.. code-block:: json
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{
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"databases": {
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"sf-trees": {
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"queries": {
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"just_species": {
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"sql": "select qSpecies from Street_Tree_List"
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}
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}
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}
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}
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}
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.. [[[end]]]
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See the :ref:`canned queries documentation <canned_queries>` for more, including how to configure :ref:`writable canned queries <canned_queries_writable>`.
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.. _configuration_reference_css_js:
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Custom CSS and JavaScript
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~~~~~~~~~~~~~~~~~~~~~~~~~
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Datasette can load additional CSS and JavaScript files, configured in ``datasette.yaml`` like this:
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.. [[[cog
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from metadata_doc import config_example
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config_example(cog, """
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extra_css_urls:
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- https://simonwillison.net/static/css/all.bf8cd891642c.css
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extra_js_urls:
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- https://code.jquery.com/jquery-3.2.1.slim.min.js
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""")
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.. ]]]
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.. tab:: datasette.yaml
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.. code-block:: yaml
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extra_css_urls:
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- https://simonwillison.net/static/css/all.bf8cd891642c.css
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extra_js_urls:
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- https://code.jquery.com/jquery-3.2.1.slim.min.js
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.. tab:: datasette.json
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.. code-block:: json
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{
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"extra_css_urls": [
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"https://simonwillison.net/static/css/all.bf8cd891642c.css"
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],
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"extra_js_urls": [
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"https://code.jquery.com/jquery-3.2.1.slim.min.js"
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]
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}
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.. [[[end]]]
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The extra CSS and JavaScript files will be linked in the ``<head>`` of every page:
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.. code-block:: html
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<link rel="stylesheet" href="https://simonwillison.net/static/css/all.bf8cd891642c.css">
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<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"></script>
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You can also specify a SRI (subresource integrity hash) for these assets:
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.. [[[cog
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config_example(cog, """
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extra_css_urls:
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- url: https://simonwillison.net/static/css/all.bf8cd891642c.css
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sri: sha384-9qIZekWUyjCyDIf2YK1FRoKiPJq4PHt6tp/ulnuuyRBvazd0hG7pWbE99zvwSznI
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extra_js_urls:
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- url: https://code.jquery.com/jquery-3.2.1.slim.min.js
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sri: sha256-k2WSCIexGzOj3Euiig+TlR8gA0EmPjuc79OEeY5L45g=
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""")
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.. ]]]
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.. tab:: datasette.yaml
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.. code-block:: yaml
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extra_css_urls:
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- url: https://simonwillison.net/static/css/all.bf8cd891642c.css
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sri: sha384-9qIZekWUyjCyDIf2YK1FRoKiPJq4PHt6tp/ulnuuyRBvazd0hG7pWbE99zvwSznI
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extra_js_urls:
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- url: https://code.jquery.com/jquery-3.2.1.slim.min.js
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sri: sha256-k2WSCIexGzOj3Euiig+TlR8gA0EmPjuc79OEeY5L45g=
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.. tab:: datasette.json
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.. code-block:: json
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{
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"extra_css_urls": [
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{
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"url": "https://simonwillison.net/static/css/all.bf8cd891642c.css",
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"sri": "sha384-9qIZekWUyjCyDIf2YK1FRoKiPJq4PHt6tp/ulnuuyRBvazd0hG7pWbE99zvwSznI"
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}
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],
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"extra_js_urls": [
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{
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"url": "https://code.jquery.com/jquery-3.2.1.slim.min.js",
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"sri": "sha256-k2WSCIexGzOj3Euiig+TlR8gA0EmPjuc79OEeY5L45g="
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}
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]
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}
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.. [[[end]]]
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This will produce:
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.. code-block:: html
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<link rel="stylesheet" href="https://simonwillison.net/static/css/all.bf8cd891642c.css"
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integrity="sha384-9qIZekWUyjCyDIf2YK1FRoKiPJq4PHt6tp/ulnuuyRBvazd0hG7pWbE99zvwSznI"
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crossorigin="anonymous">
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<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"
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integrity="sha256-k2WSCIexGzOj3Euiig+TlR8gA0EmPjuc79OEeY5L45g="
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crossorigin="anonymous"></script>
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Modern browsers will only execute the stylesheet or JavaScript if the SRI hash
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matches the content served. You can generate hashes using `www.srihash.org <https://www.srihash.org/>`_
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Items in ``"extra_js_urls"`` can specify ``"module": true`` if they reference JavaScript that uses `JavaScript modules <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules>`__. This configuration:
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.. [[[cog
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config_example(cog, """
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extra_js_urls:
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- url: https://example.datasette.io/module.js
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module: true
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""")
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.. ]]]
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.. tab:: datasette.yaml
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.. code-block:: yaml
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extra_js_urls:
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- url: https://example.datasette.io/module.js
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module: true
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.. tab:: datasette.json
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.. code-block:: json
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{
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"extra_js_urls": [
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{
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"url": "https://example.datasette.io/module.js",
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"module": true
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}
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]
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}
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.. [[[end]]]
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Will produce this HTML:
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.. code-block:: html
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<script type="module" src="https://example.datasette.io/module.js"></script>
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