一個基本的HTTP服務客戶端：Demands

一個基本的HTTP服務客戶端。

By default it "demands" successful responses from API endpoints, otherwise it raises an exception.

Demands accepts all the same parameters asrequests.requestand extends therequests.Sessionclass, documentation for both: Requests Developer Interface.

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HTTPServiceClient Overview

• base class for creating service clients
• provides flexible way of http error handling for descendants

• HTTPServiceErrorraised on unexpected service response

  </li>

• Supports pre-send and post-send hooks

  </li> </ul>

  Usage

  from demands import HTTPServiceClient
  
  class MyService(HTTPServiceClient):
      def get_user(self, user_id):
          return self.get('/users/%s/' % user_id).json()
  
  def safe_get_user(self, user_id, default_user):
      response = self.get(
          '/users/%s/' % user_id, 
          expected_response_codes=[404])
      return response.json() if response.is_ok else default_user
  
  
  
  service = MyService(url='http://localhost/')
  user = service.get_user(1234)</pre></h2>
  Any parameters passed to the constructor will also be used for each and every request: 
  
  service = MyService(
      url='http://localhost/',
      headers={'h1':'value'},
      auth=('username','pass'),
  )
  
  # sent with auth and both headers
  user = service.get('/some-path', headers={'h2': 'kittens'})
  
  
  項目主頁：http://www.baiduhome.net/lib/view/home/1427942573928