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plugin_hooks:plugin-actions | plugin_hooks | plugin-actions | Action hooks | Action hooks can be used to add items to the action menus that appear at the top of different pages within Datasette. Unlike menu_links() , actions which are displayed on every page, actions should only be relevant to the page the user is currently viewing. Each of these hooks should return return a list of {"href": "...", "label": "..."} menu items, with optional "description": "..." keys describing each action in more detail. They can alternatively return an async def awaitable function which, when called, returns a list of those menu items. | ["Plugin hooks"] | [] |
plugin_hooks:plugin-event-tracking | plugin_hooks | plugin-event-tracking | Event tracking | Datasette includes an internal mechanism for tracking notable events. This can be used for analytics, but can also be used by plugins that want to listen out for when key events occur (such as a table being created) and take action in response. Plugins can register to receive events using the track_event plugin hook. They can also define their own events for other plugins to receive using the register_events() plugin hook , combined with calls to the datasette.track_event() internal method . | ["Plugin hooks"] | [] |
plugin_hooks:plugin-hook-forbidden | plugin_hooks | plugin-hook-forbidden | forbidden(datasette, request, message) | datasette - Datasette class You can use this to access plugin configuration options via datasette.plugin_config(your_plugin_name) , or to render templates or execute SQL queries. request - Request object The current HTTP request. message - string A message hinting at why the request was forbidden. Plugins can use this to customize how Datasette responds when a 403 Forbidden error occurs - usually because a page failed a permission check, see Permissions . If a plugin hook wishes to react to the error, it should return a Response object . This example returns a redirect to a /-/login page: from datasette import hookimpl from urllib.parse import urlencode @hookimpl def forbidden(request, message): return Response.redirect( "/-/login?=" + urlencode({"message": message}) ) The function can alternatively return an awaitable function if it needs to make any asynchronous method calls. This example renders a template: from datasette import hookimpl, Response @hookimpl def forbidden(datasette): async def inner(): return Response.html( await datasette.render_template( "render_message.html", request=request ) ) return inner | ["Plugin hooks"] | [] |
plugin_hooks:plugin-hook-register-magic-parameters | plugin_hooks | plugin-hook-register-magic-parameters | register_magic_parameters(datasette) | datasette - Datasette class You can use this to access plugin configuration options via datasette.plugin_config(your_plugin_name) . Magic parameters can be used to add automatic parameters to canned queries . This plugin hook allows additional magic parameters to be defined by plugins. Magic parameters all take this format: _prefix_rest_of_parameter . The prefix indicates which magic parameter function should be called - the rest of the parameter is passed as an argument to that function. To register a new function, return it as a tuple of (string prefix, function) from this hook. The function you register should take two arguments: key and request , where key is the rest_of_parameter portion of the parameter and request is the current Request object . This example registers two new magic parameters: :_request_http_version returning the HTTP version of the current request, and :_uuid_new which returns a new UUID: from datasette import hookimpl from uuid import uuid4 def uuid(key, request): if key == "new": return str(uuid4()) else: raise KeyError def request(key, request): if key == "http_version": return request.scope["http_version"] else: raise KeyError @hookimpl def register_magic_parameters(datasette): return [ ("request", request), ("uuid", uuid), ] | ["Plugin hooks"] | [] |
plugin_hooks:plugin-page-extras | plugin_hooks | plugin-page-extras | Page extras | These plugin hooks can be used to affect the way HTML pages for different Datasette interfaces are rendered. | ["Plugin hooks"] | [] |
plugin_hooks:plugin-register-permissions | plugin_hooks | plugin-register-permissions | register_permissions(datasette) | If your plugin needs to register additional permissions unique to that plugin - upload-csvs for example - you can return a list of those permissions from this hook. from datasette import hookimpl, Permission @hookimpl def register_permissions(datasette): return [ Permission( name="upload-csvs", abbr=None, description="Upload CSV files", takes_database=True, takes_resource=False, default=False, ) ] The fields of the Permission class are as follows: name - string The name of the permission, e.g. upload-csvs . This should be unique across all plugins that the user might have installed, so choose carefully. abbr - string or None An abbreviation of the permission, e.g. uc . This is optional - you can set it to None if you do not want to pick an abbreviation. Since this needs to be unique across all installed plugins it's best not to specify an abbreviation at all. If an abbreviation is provided it will be used when creating restricted signed API tokens. description - string or None A human-readable description of what the permission lets you do. Should make sense as the second part of a sentence that starts "A user with this permission can ...". takes_database - boolean True if this permission can be granted on a per-database basis, False if it is only valid at the overall Datasette instance level. takes_resource - boolean … | ["Plugin hooks"] | [] |
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CREATE TABLE [sections] ( [id] TEXT PRIMARY KEY, [page] TEXT, [ref] TEXT, [title] TEXT, [content] TEXT, [breadcrumbs] TEXT, [references] TEXT );