simpleapi

A simple API-framework to provide an easy to use, consistent and portable client/server-architecture (standalone and also for django, Flask, AppEngine and all WSGI-compatible implementations like gunicorn).

flosch

145

Python

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=========
simpleapi

:dev-version: 0.1
:latest stable: 0.0.9
:author: Florian Schlachter [email protected]
:website: http://www.florian-schlachter.de
:license: MIT-license / see LICENSE file for more
:mailinglist: subscribe: [email protected]
:documentation: http://simpleapi.readthedocs.org

About

simpleapi is an easy to use, consistent, transparent and portable way of
providing an API. It supports several transport formats (e. g. json, jsonp,
xml, yaml) and provides server (standalone and also django, Flask, Google AppEngine and any WSGI-compatible implementation like gunicorn) and client libraries (PHP, Python) to interact seamlessly. You can also use nearly every Ajax framework (e. g. jQuery, ExtJS, etc.) to access the API.

server support for django, Flask and Google AppEngine
client support for python, php and javascript
dynamic key authentication / ip restriction
type-conversion / constraints
object serialization of django model instances, django queryset instances,
mongoengine documents, mongoengine queryset instances
inheritance / multiple versions of one API
several encoding/decoding formats (json, jsonp, xml, yaml, etc.)
several result formats (ie. for ExtJS forms, etc.)
features: caching, throttling
debugging and profiling capabilities
examples

Installation

pip install --upgrade simpleapi

From GitHub

git clone git://github.com/flosch/simpleapi.git

Dependencies

server: django >= 1.1.1, Flask >= 0.1 or Google AppEngine
Python 2.5 or greater
simplejson (if you’re using Python <= 2.5)
python-dateutil
pyyaml (optional, for YAML-support)
sphinx (optional, for the docs)

(see requirements.txt as well)

Examples

SMS-System

Server (handler.py)::

from simpleapi import Namespace, serialize
from models import SMS, APIUser

class SMSAPI(Namespace):
    __authentication__ = lambda namespace, access_key: \
        APIUser.objects.filter(access_key=access_key).count() > 0

    def send(self, to, msg, from='testsender'):
        sms = SMS.objects.create(
            to=to
            msg=msg,
            from=from
        )
        return {
            'sent': sms.send(),
            'obj': serialize(sms, excludes=[re.compile('^date'),])
        }
    send.published = True
    send.constraints = {'to': re.compile(r'^\+\d{2,}\ \d{3,}\ \d{5,}')}
    
    def status(self, id):
        return SMS.objects.get(id=id)
    status.published = True
    status.constraints = {'id': int}
    
    def last(self, numbers=5):
        return SMS.objects.all()[:numbers]
    last.published = True
    last.constraints = {'numbers': int}

Standalone-Server (app.py)::

from simpleapi import Route
from handlers import SMSAPI

route = Route(SMSAPI, framework='standalone', path=r'^/api/')
route.serve() # serves on port 5050 by default

Gunicorn (WSGI-compatible implementation) (app.py)::

from simpleapi import Route
from handlers import SMSAPI

route = Route(SMSAPI, framework='wsgi', path=r'^/api/')

# start Gunicorn (with 5 workers):
# gunicorn -w 5 app:route

Django-Server (urls.py)::

from handlers import SMSAPI
urlpatterns = patterns('',
    (r'^api/$', Route(SMSAPI))
)

Flask-Server (app.py)::

from flask import Flask
from simpleapi import Route
from handlers import SMSAPI

app = Flask(__name__)
app.route('/api/')(Route(SMSAPI, framework='flask'))

if __name__ == '__main__':
    app.run()

Google AppEngine (main.py)::

from google.appengine.ext import webapp
from google.appengine.ext.webapp import util

from simpleapi import Route
from handlers import SMSAPI

def main():
    application = webapp.WSGIApplication(
        [('/api/', Route(SMSAPI, framework='appengine'))]
    )
    util.run_wsgi_app(application)

if __name__ == '__main__':
    main()

Client (python/remote)::

from simpleapi import Client

client = Client(ns='http://remote.tld:8888/api/', access_key='mysecret',
                transport_type='xml')

sms = client.sms(to='555123', msg='Hey yo! This is simpleapi calling.')
print "Sent successful?", sms['sent']

sms = client.sms(to='555123', msg='2nd test with own sender',
                 sender='simpleapi')
print "Sent successful?", sms['sent']
print "Which sender?", sms['obj']['sender']

Client (python/local)::

from simpleapi import DummyClient, Route
from handlers import SMSAPI

client = DummyClient(Route(SMSAPI, framework='dummy'),
                     access_key='mysecret')

sms = client.sms(to='555123', msg='Hey yo! This is simpleapi calling.')
print "Sent successful?", sms['sent']

sms = client.sms(to='555123', msg='2nd test with own sender',
                 sender='simpleapi')
print "Sent successful?", sms['sent']
print "Which sender?", sms['obj']['sender']

Client (PHP)::

require_once("class.client.php");

$client = new Client($ns="http://localhost:8888/api/",
                     $access_key='mysecret');
print("Sent? ".$client->sms(array(
    'to' => '555123',
    'msg' => 'Hey yo! This is the PHP client sending you a SMS.'
))->{'sent'});

Client (jQuery)::

jQuery.get(
    "/api/",
    {_call: 'send', to: '555123', 'msg': 'Hey ya!'},
    function (return) {
        if (return.result.sent)
            alert('Sent successfully!');
        else
            alert('Sending failed!');
    }
)

Calculator