added HTTP override

Author: minjikarin

amadeus/client/request.py

@@ -92,11 +92,21 @@ def __build_http_request(self):
             return HTTPRequest(self.url,
                                data=urlencode(self.params).encode(),
                                headers=self.headers)
-
         # Adds the authentication header since the bearer token has been set
         self.headers['Authorization'] = self.bearer_token
 
+        list_httpoverride = ['/v2/shopping/flight-offers',
+      '/v1/shopping/seatmaps',
+      '/v1/shopping/availability/flight-availabilities',
+      '/v2/shopping/flight-offers/prediction',
+      '/v1/shopping/flight-offers/pricing',
+      '/v1/shopping/flight-offers/upselling']
+
         if self.verb == 'POST':
+            if self.path in list_httpoverride:
+                self.headers['X-HTTP-Method-Override'] = 'GET'
+                return HTTPRequest(self.url, headers=self.headers, method='POST',
+                                   data=self.params.encode())
             if type(self.params) is dict:
                 return HTTPRequest(self.url, headers=self.headers, method='POST',
                                    data=json.dumps(self.params).encode())