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Annotator Store

This is a backend store for the Annotator.

Getting going

You'll need a recent version of python (>=2.6) and couchdb (>=1.0) installed -- we use couchdb as our database backend.

The set of required python libraries is listed in the requirements file, which is designed for use by pip (see below)

The quickest way to get going assumes you have the pip and virtualenv tools installed (protip: easy_install virtualenv will get them both). Run the following in the repository root:

pip -E pyenv install -r requirements
source pyenv/bin/activate
cp annotator.cfg.example annotator.cfg
python run.py

You should see something like:

* Running on http://127.0.0.1:5000/
* Restarting with reloader...

Store API

The Store API is designed to be compatable with the Annotator.

REST API

The annotation store, a JSON-speaking REST API, will be mounted at http://localhost:5000/api/annotations. You can test this by running:

$ curl -i http://localhost:5000/api/annotations
HTTP/1.0 200 OK
Content-Type: application/json
Access-Control-Allow-Origin: *
Access-Control-Expose-Headers: Location
Access-Control-Allow-Methods: GET, POST, PUT, DELETE
Access-Control-Max-Age: 86400
Content-Length: 2
Server: Werkzeug/0.6.2 Python/2.6.1
Date: Fri, 10 Dec 2010 11:44:33 GMT

[]

The "[]" at the end indicates the empty list for your annotations. There are no annotations currently in the store. See the Annotator repository for details on getting an annotator talking to this backend.

Here's an example of putting an annotation in the store::

$ curl -X POST http://localhost:5000/api/annotations -H "Content-Type: application/json" -d '{"text": "abc"}'
{
  ...
  "text": "abc", 
  "id": MY-ID
  ...
}

And then we could retrieve this with the command:

$ curl http://localhost:5000/api/annotations/MY-ID

where MY-ID is the id field from the response above

Search

You can search annotations in the store via the search api mounted at http://localhost:5000/api/search. You can test this by running:

$ curl -i http://localhost:5000/api/search

The search supports search and offset parameters:

$ curl -i http://localhost:5000/api/search?limit=5&offset=2

You can filter on any attribute of an annotation:

$ curl -i http://localhost:5000/api/search?uri=myuri

And you can combine filters:

$ curl -i http://localhost:5000/api/search?uri=myuri&user=myuser

Running tests

Running pip -E pyenv install -r requirements or similar, as described above, should have installed nose for you. In the virtualenv, you should be able to run the tests as follows:

$ nosetests
.....................
----------------------------------------------------------------------
Ran 21 tests in 0.502s

OK

Please open an issue if you find that the tests don't all pass on your machine, making sure to include the output of pip freeze.

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A backend store for the Annotator using Flask and CouchDB

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