Fixed problem with filtering fields after API call. Fields are now sent in query string

Author: mattbanister

client.py

@@ -10,19 +10,10 @@ def request(self, url, token, api, fields=[], version=2):
         Returns a python object containing the requested resource from the diffbot api
         """
         params = {"url": url, "token": token}
+        if fields:
+            params['fields'] = fields
         response = requests.get(self.compose_url(api, version), params=params)
         obj = response.json()
-        obj = self.select_fields_from_response(obj, fields)
-        return obj
-
-    @staticmethod
-    def select_fields_from_response(obj, fields):
-        """
-        Returns the response object with the specified fields or all fields if
-        the fields list is empty
-        """
-        if fields:
-            obj = dict((x, obj[x]) for x in fields)
         return obj
 
     def compose_url(self, api, version_number):

example.py

@@ -13,3 +13,9 @@
 print "\nPrinting response:\n"
 pp = pprint.PrettyPrinter(indent=4)
 print pp.pprint(response)
+
+print "Calling article API endpoint with fields specified on the url: http://shichuan.github.io/javascript-patterns/...\n"
+response = diffbot.request(url, token, api, fields=['title', 'type'], version=2)
+print "\nPrinting response:\n"
+pp = pprint.PrettyPrinter(indent=4)
+print pp.pprint(response)