Merge pull request #62 from CodingForChange/fix_503_error

Lança 503 se acontece algum erro na chamada para os Correios na busca de CEP. Fix #61.

Author: iurisilvio

CepTracker.py

@@ -16,6 +16,7 @@ def _request(self, cep):
 			'cepTemp': '',
 			'metodo': 'buscarCep'
 		})
+		response.raise_for_status()
 		return response.text
 
 	def _get_infos_(self, cep):

PostmonServer.py

@@ -2,7 +2,7 @@
 import json
 from bottle import route, run, response
 from CepTracker import CepTracker
-from requests import ConnectionError
+import requests
 from correios import Correios
 from database import MongoDb as Database
 
@@ -42,7 +42,7 @@ def verifica_cep(cep):
 		except ValueError:
 			response.status = '404 O CEP %s informado nao pode ser localizado' % cep
 			return
-		except ConnectionError:
+		except requests.exceptions.RequestException:
 			response.status = '503 Servico Temporariamente Indisponivel'
 			return
 		for item in info: