Update proxy logic to handle https protocol (#677)

Co-authored-by: Мейсак Илья Николаевич <[email protected]>

Author: ilia-meysak

google/ads/googleads/client.py

@@ -329,7 +329,7 @@ def __init__(
 
         # If given, write the http_proxy channel option for GRPC to use
         if http_proxy:
-            _GRPC_CHANNEL_OPTIONS.append(("grpc.http_proxy", http_proxy)),
+            _GRPC_CHANNEL_OPTIONS.append(("grpc.http_proxy", http_proxy))
 
     def get_service(self, name, version=_DEFAULT_VERSION, interceptors=None):
         """Returns a service client instance for the specified service_name.

google/ads/googleads/oauth2.py

@@ -39,9 +39,10 @@ def initialize_credentials_wrapper(*args, **kwargs):
         credentials = func(*args, **kwargs)
         # If the configs contain an http_proxy, refresh credentials through the
         # proxy URI
-        if kwargs.get("http_proxy"):
+        proxy = kwargs.get("http_proxy")
+        if proxy:
             session = Session()
-            session.proxies.update({"http": kwargs.get("http_proxy")})
+            session.proxies.update({"http": proxy, "https": proxy})
             credentials.refresh(Request(session=session))
         else:
             credentials.refresh(Request())