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simpleapi 0.0.9

A simple API-framework to provide an easy to use, consistent and portable client/server-architecture (for django, flask and a lot more).

An almost complete documentation is still work in progress and will be published at http://simpleapi.florian-schlachter.de soon.

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

Server (handler.py):

from simpleapi import Namespace

class CalculatorAPI(Namespace):
    __ip_restriction__ = ['127.0.0.*',]
    __authentication__ = "lets_calc"

    def power(self, a, b):
        return a ** b
    power.published = True
    power.constraints = lambda namespace, key, value: float(value)

    def sum(self, **kwargs)
        return sum(kwargs.values())
    sum.published = True
    sum.constraints = lambda namespace, key, value: float(value)

Standalone-Server (app.py):

from simpleapi import Route
from handlers import CalculatorAPI

route = Route(CalculatorAPI, 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 CalculatorAPI

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

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

Django-Server (urls.py):

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

Flask-Server (app.py):

from flask import Flask
from simpleapi import Route
from handlers import CalculatorAPI

app = Flask(__name__)
app.route('/api/')(Route(CalculatorAPI, 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 CalculatorAPI

def main():
    application = webapp.WSGIApplication(
        [('/api/', Route(CalculatorAPI, 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='lets_calc')

print "5 ** 8 =", client.power(a=5, b=8)
print "1+2+3+4+5+6+7 =", client.sum(a=1, b=2, c=3, d=4, e=5, f=6, g=7)

Client (python/local):

from simpleapi import DummyClient, Route
from handlers import CalculatorAPI

client = DummyClient(Route(CalculatorAPI, framework='dummy'),
                     access_key='lets_calc')

print "5 ** 8 =", client.power(a=5, b=8)
print "1+2+3+4+5+6+7 =", client.sum(a=1, b=2, c=3, d=4, e=5, f=6, g=7)

Client (PHP):

require_once("class.client.php");

$client = new Client($ns="http://localhost:8888/api/",
                     $access_key='lets_calc');
print("5 ** 8 = ".$client->power(array('a'=>5, 'b'=>8)));

Client (jQuery):

jQuery.get(
    "/api/",
    {_call: 'power', a: 5, b: 8, _access_key: "lets_calc"},
    function (return) {
        alert('5 ** 8 = ' + return.result)
    }
)
 
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simpleapi-0.0.9.tar.gz (md5) Source 2012-03-29 27KB
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