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An example of a web site with a REST API.

Getting started

# Dependencies:
sudo apt-get install python-webpy python-couchdb python-requests

# Start the server (with an in-memory database)
cd server/src

# In another terminal, run the client programs
cd client/src
./           # list the available poems
./ a-question  # print a single poem

Running the tests

# Dependencies
sudo apt-get install python-nose python-paste

# Run unit tests
cd server/src

# Run system tests (requires a local running couch db)
cd server/system-tests
make test

API usage examples

Start the server (+ sample data) with:

$ cd server/src
$ ./

List poems:

$ curl http://localhost:8080/api/v1/poems
["a-question", "this-is-a-photograph-of-me"]


$ curl http://localhost:8080/api/v1/poems?search=Robert%20Frost

Get a poem:

$ curl http://localhost:8080/api/v1/poems/a-question
{"text": "A voice said, Look me in the stars\nAnd tell me truly, men of earth,\nIf all the soul-and-body scars\nWere not too much to pay for birth.\n", "title": "A Question", "id": "a-question", "author": "Robert Frost"}

Add a poem:

$ curl --data '{"title":"Foo","author":"Bar","text":"Baz"}' http://localhost:8080/api/v1/poems -u user1:pass1
$ curl http://localhost:8080/api/v1/poems/foo
{"text": "Baz", "title": "Foo", "id": "foo", "author": "Bar"}

Replace a poem:

$ curl --request PUT --data '{"title":"Foo2","author":"Bar2","text":"Baz2"}' http://localhost:8080/api/v1/poems/a-question -u user1:pass1
$ curl http://localhost:8080/api/v1/poems/a-question
{"text": "Baz2", "title": "Foo2", "id": "foo", "author": "Bar2"}

Delete a poem:

$ curl --request DELETE http://localhost:8080/api/v1/poems/a-question -u user1:pass1
$ curl -i http://localhost:8080/api/v1/poems/a-question
HTTP/1.1 404 Not Found
Content-Type: application/json
Transfer-Encoding: chunked
Date: Thu, 31 Oct 2013 15:22:39 GMT
Server: localhost

{"error": "\"a-question\" is not the ID of an existing poem."}

Amend a poem:

$ curl --request PATCH --data '{"text":"Cheer up"}' http://localhost:8080/api/v1/poems/a-question -u user1:pass1
$ curl http://localhost:8080/api/v1/poems/a-question
{"text": "Cheer up", "title": "A Question", "id": "a-question", "author": "Robert Frost"}

Get a login session:

$ curl -c mycookies.txt http://localhost:8080/api/v1/login -u user1:pass1

This stores an authentication token in a cookie in mycookies.txt. Now we can act as this user by including this cookie in our requests, with no username and password.

$ curl -b mycookies.txt --data '{"title":"Foo","author":"Bar","text":"Baz"}' http://localhost:8080/api/v1/poems

Launching in different modes

To run against a real running CouchDB instance (on localhost):

sudo service couchdb start
cd server/src

To run as a FastCGI process against a real CouchDB (on localhost):

sudo service couchdb start
cd server/src

To run with no dependency on CouchDB (using an in-memory database), with some sample data:

cd server/src

The other launcher, "" is used by the system tests to launch against a real CouchDB, but with a prefix for all table names to avoid overwriting real data.


An example of a web site with a REST API




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