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A dynamic rest client

Project Description

RestDyn is a dynamic rest client built on top of the excellent restkit library.

It aims to be able to handle any uris for any apis.

How it work ?

Let’s say we want to fetch the json API of the great service http://www.example.com. Their api is served from http://api.example.com/1.0/:

>>> from restdyn import Client
>>> ExampleAPI = Client('http://api.example.com/1.0/')

Now we want to get the result from http://api.example.com/1.0/users/search?q=Timy:

>>> results = ExampleAPI.users.search(q='Timy')

That’s it ! results is a json object.

Going further

Adding arguments automatically

Sometimes some api are a bit tricky. Previously, the version of the api was part of the resource but what if we have to specify it for each request:

http://api.example.com/user/search?v=1.0&q=Timy

We can specify one or more params which will be automatically add to the query:

>>> ExampleAPI = Client('http://api.example.com')
>>> ExampleAPI.set_persistent_params(v="1.0")

or you can pass a dict:

>>> ExampleAPI.set_persistent_params({'v':'1.0'})

Customize resources

Some apis like Twitter add .json after the resource but before the query : https://api.twitter.com/1/search.json&q=Timy. We can do it like this:

>>> TwitterAPI = Client('https://api.twitter.com/1', end_resource='.json')
>>> results = TwitterAPI.search(q='Timy')

Post process result

Sometimes you may have to clean up the result before send it back. You can do it by overloading the Client.post_process_result method.

Example:

Google’s web service won’t send an http error 400 if the request failed. Instead, it will send a custom result:

http://ajax.googleapis.com/ajax/services/search/web?q=Earth%20Day

will send back:

{"responseData": null, "responseDetails": "invalid version", "responseStatus": 400}

Let’s say we want to catch the error and raise an RequestFailed exception with a custom message which is in the “responseDetails” field:

class CustomGoogleAPI(Client):
    def post_process_result(self, result):
        if result["responseStatus"] == 400:
            raise RequestFailed(result['responseDetails'])
        return result

That’s it ! Don’t forget to return the result at the end of the post_process_result method.

>>> GoogleAPI = CustomGoogleAPI('http://ajax.googleapis.com/ajax/services')
>>> GoogleAPI.search.web(q="toto")
Traceback (most recent call last):
...
RequestFailed: invalid version

Adding a trailing slash

If the api you are dealing have a slash in all its urls, you can configure restdyn to add it:

>>> example_api = Client('http://api.example.com', add_trailing_slash=True)
Release History

Release History

This version
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0.3

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0.2

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0.1

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
restdyn-0.3.tar.gz (84.3 kB) Copy SHA256 Checksum SHA256 Source Sep 2, 2011

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