tableau · preguraman · Nov 20, 2018 · Nov 12, 2018 · Nov 14, 2018
diff --git a/samples/download_view_image.py b/samples/download_view_image.py
@@ -25,6 +25,7 @@ def main():
    parser.add_argument('--view-name', '-v', required=True,
                        help='name of view to download an image of')
    parser.add_argument('--filepath', '-f', required=True, help='filepath to save the image returned')
+    parser.add_argument('--maxage', '-m', required=False, help='max age of the image in the cache in minutes.')
    parser.add_argument('--logging-level', '-l', choices=['debug', 'info', 'error'], default='error',
                        help='desired logging level (set to error by default)')

@@ -55,8 +56,12 @@ def main():
            raise LookupError("View with the specified name was not found.")
        view_item = all_views[0]

-        # Step 3: Query the image endpoint and save the image to the specified location
-        image_req_option = TSC.ImageRequestOptions(imageresolution=TSC.ImageRequestOptions.Resolution.High)
+        max_age = args.maxage
+        if not max_age:
+            max_age = 1
+
+        image_req_option = TSC.ImageRequestOptions(imageresolution=TSC.ImageRequestOptions.Resolution.High,
+                                                   maxage=max_age)
        server.views.populate_image(view_item, image_req_option)

        with open(args.filepath, "wb") as image_file:

diff --git a/tableauserverclient/server/request_options.py b/tableauserverclient/server/request_options.py
@@ -108,14 +108,17 @@ class ImageRequestOptions(_FilterOptionsBase):
    class Resolution:
        High = 'high'

-    def __init__(self, imageresolution=None):
+    def __init__(self, imageresolution=None, maxage=None):
        super(ImageRequestOptions, self).__init__()
        self.image_resolution = imageresolution
+        self.max_age = maxage

    def apply_query_params(self, url):
        params = []
        if self.image_resolution:
            params.append('resolution={0}'.format(self.image_resolution))
+        if self.max_age:
+            params.append('maxAge={0}'.format(self.max_age))

        self._append_view_filters(params)