use get application API when calling get_rstudio_app_info

Author: mslynch

rsconnect/api.py

@@ -52,6 +52,7 @@ def handle_bad_response(self, response):
                         response.full_uri,
                         response.json_data["error"],
                     )
+                    raise Exception(error)
                     raise RSConnectException(error)
                 if response.status < 200 or response.status > 299:
                     raise RSConnectException(
@@ -249,7 +250,7 @@ def deploy(self, app_id, app_name, app_title, title_is_default, tarball, env_var
             try:
                 self._server.handle_bad_response(app)
             except RSConnectException as e:
-                raise RSConnectException(f"{e} Try setting the --new flag to overwrite the previous deployment.")
+                raise RSConnectException(f"{e} Try setting the --new flag to overwrite the previous deployment.") from e
 
         app_guid = app["guid"]
         if env_vars:
@@ -847,15 +848,15 @@ def validate_app_mode(self, *args, **kwargs):
                     except RSConnectException as e:
                         raise RSConnectException(
                             f"{e} Try setting the --new flag to overwrite the previous deployment."
-                        )
+                        ) from e
                 elif isinstance(self.remote_server, PositServer):
                     try:
                         app = get_rstudio_app_info(self.remote_server, app_id)
                         existing_app_mode = AppModes.get_by_cloud_name(app["mode"])
                     except RSConnectException as e:
                         raise RSConnectException(
                             f"{e} Try setting the --new flag to overwrite the previous deployment."
-                        )
+                        ) from e
                 else:
                     raise RSConnectException("Unable to infer Connect client.")
             if existing_app_mode and existing_app_mode not in (None, AppModes.UNKNOWN, app_mode):
@@ -1485,8 +1486,11 @@ def get_app_info(connect_server, app_id):
 
 def get_rstudio_app_info(server, app_id):
     with PositClient(server) as client:
-        response = client.get_content(app_id)
-        return response["source"]
+        if isinstance(server, ShinyappsServer):
+            return client.get_application(app_id)
+        else:
+            response = client.get_content(app_id)
+            return response["source"]
 
 
 def get_app_config(connect_server, app_id):