add json_options to be passed to json.loads()

krakenex/api.py

@@ -66,8 +66,19 @@ def __init__(self, key='', secret=''):
             'User-Agent': 'krakenex/' + version.__version__ + ' (+' + version.__url__ + ')'
         })
         self.response = None
+        self._json_options = {}
         return
 
+    def json_options(self, **kwargs):
+        """ Set keyword arguments to be passed to JSON deserialization.
+
+        :param kwargs: passed to :py:meth:`requests.Response.json`
+        :returns: this instance for chaining
+
+        """
+        self._json_options = kwargs
+        return self
+
     def close(self):
         """ Close this session.
 
@@ -120,13 +131,13 @@ def _query(self, urlpath, data, headers=None, timeout=None):
 
         url = self.uri + urlpath
 
-        self.response = self.session.post(url, data = data, headers = headers, 
+        self.response = self.session.post(url, data = data, headers = headers,
                                           timeout = timeout)
 
         if self.response.status_code not in (200, 201, 202):
             self.response.raise_for_status()
 
-        return self.response.json()
+        return self.response.json(**self._json_options)
 
 
     def query_public(self, method, data=None, timeout=None):