Drop none-valued query parameters by default

model_server/clients/imagej/adapter.py

@@ -13,18 +13,27 @@ HOST = '127.0.0.1'
 PORT = 6221
 uri = 'http://{}:{}/'.format(HOST, PORT)
 
-def hit_endpoint(method, endpoint, params=None, body=None):
+def hit_endpoint(method, endpoint, params=None, body=None, drop_none=True):
     """
     Python 2.7 implementation of HTTP client
     :param method: (str) either 'GET' or 'PUT'
     :param endpoint: (str) endpoint of HTTP request
     :param params: (dict) of parameters that are embedded in client request URL
     :param body: (dict) of parameters that JSON-encoded and attached as payload in request
+    :param drop_none: (bool) remove (presumably optional) parameters with value equal to None
     :return: (dict) of response status and content, formatted as dict if request is successful
     """
     connection = httplib.HTTPConnection(HOST, PORT)
     if not method in ['GET', 'PUT']:
         raise Exception('Can only handle GET and PUT requests')
+    k_pop = []
+    if drop_none:
+        for k, v in params.items():
+            if v is None:
+                k_pop.append(k)
+        for ki in k_pop:
+            params.pop(ki)
+
     if params:
         url = endpoint + '?' + urllib.urlencode(params)
     else: