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| id ▼ | page | ref | title | content | breadcrumbs | references |
|---|---|---|---|---|---|---|
| internals:internals-database | internals | internals-database | Database class | Instances of the Database class can be used to execute queries against attached SQLite databases, and to run introspection against their schemas. | ["Internals for plugins"] | [] |
| internals:internals-datasette | internals | internals-datasette | Datasette class | This object is an instance of the Datasette class, passed to many plugin hooks as an argument called datasette . You can create your own instance of this - for example to help write tests for a plugin - like so: from datasette.app import Datasette # With no arguments a single in-memory database will be attached datasette = Datasette() # The files= argument can load files from disk datasette = Datasette(files=["/path/to/my-database.db"]) # Pass metadata as a JSON dictionary like this datasette = Datasette( files=["/path/to/my-database.db"], metadata={ "databases": { "my-database": { "description": "This is my database" } } }, ) Constructor parameters include: files=[...] - a list of database files to open immutables=[...] - a list of database files to open in immutable mode metadata={...} - a dictionary of Metadata config_dir=... - the configuration directory to use, stored in datasette.config_dir | ["Internals for plugins"] | [] |
| internals:internals-multiparams | internals | internals-multiparams | The MultiParams class | request.args is a MultiParams object - a dictionary-like object which provides access to query string parameters that may have multiple values. Consider the query string ?foo=1&foo=2&bar=3 - with two values for foo and one value for bar . request.args[key] - string Returns the first value for that key, or raises a KeyError if the key is missing. For the above example request.args["foo"] would return "1" . request.args.get(key) - string or None Returns the first value for that key, or None if the key is missing. Pass a second argument to specify a different default, e.g. q = request.args.get("q", "") . request.args.getlist(key) - list of strings Returns the list of strings for that key. request.args.getlist("foo") would return ["1", "2"] in the above example. request.args.getlist("bar") would return ["3"] . If the key is missing an empty list will be returned. request.args.keys() - list of strings Returns the list of available keys - for the example this would be ["foo", "bar"] . key in request.args - True or False You can use if key in request.args to check if a key is present. for key in request.args - iterator This lets you loop through every available key. le… | ["Internals for plugins"] | [] |
| internals:internals-response | internals | internals-response | Response class | The Response class can be returned from view functions that have been registered using the register_routes(datasette) hook. The Response() constructor takes the following arguments: body - string The body of the response. status - integer (optional) The HTTP status - defaults to 200. headers - dictionary (optional) A dictionary of extra HTTP headers, e.g. {"x-hello": "world"} . content_type - string (optional) The content-type for the response. Defaults to text/plain . For example: from datasette.utils.asgi import Response response = Response( "<xml>This is XML</xml>", content_type="application/xml; charset=utf-8", ) The quickest way to create responses is using the Response.text(...) , Response.html(...) , Response.json(...) or Response.redirect(...) helper methods: from datasette.utils.asgi import Response html_response = Response.html("This is HTML") json_response = Response.json({"this_is": "json"}) text_response = Response.text( "This will become utf-8 encoded text" ) # Redirects are served as 302, unless you pass status=301: redirect_response = Response.redirect( "https://latest.datasette.io/" ) Each of these responses will use the correct corresponding content-type - text/html; charset=utf-8 , application/json; charset=utf-8 or text/plain; charset=utf-8 respectively. Each of the helper methods take optional status= and headers= argument… | ["Internals for plugins"] | [] |
| internals:internals-shortcuts | internals | internals-shortcuts | Import shortcuts | The following commonly used symbols can be imported directly from the datasette module: from datasette import Response from datasette import Forbidden from datasette import NotFound from datasette import hookimpl from datasette import actor_matches_allow | ["Internals for plugins"] | [] |
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CREATE TABLE [sections] ( [id] TEXT PRIMARY KEY, [page] TEXT, [ref] TEXT, [title] TEXT, [content] TEXT, [breadcrumbs] TEXT, [references] TEXT );