Adds max_age param to csv and pdf request options

tableauserverclient/server/request_options.py

@@ -44,17 +44,17 @@ class Direction:
         Asc = 'asc'
 
     def __init__(self, pagenumber=1, pagesize=100):
-        self.pagenumber = pagenumber
-        self.pagesize = pagesize
+        self.pagenumber = to_int("pagenumber", pagenumber)
+        self.pagesize = to_int("pagesize", pagesize)
         self.sort = set()
         self.filter = set()
 
     def page_size(self, page_size):
-        self.pagesize = page_size
+        self.pagesize = to_int("pagesize", page_size)
         return self
 
     def page_number(self, page_number):
-        self.pagenumber = page_number
+        self.pagenumber = to_int("pagenumber", page_number)
         return self
 
     def apply_query_params(self, url):
@@ -98,8 +98,15 @@ def _append_view_filters(self, params):
 
 
 class CSVRequestOptions(_FilterOptionsBase):
+    def __init__(self, maxage=None):
+        super(CSVRequestOptions, self).__init__()
+        self.max_age = to_int("maxage", maxage)
+
     def apply_query_params(self, url):
         params = []
+        if self.max_age:
+            params.append('maxAge={0}'.format(self.max_age))
+
         self._append_view_filters(params)
         return "{0}?{1}".format(url, '&'.join(params))
 
@@ -112,7 +119,7 @@ class Resolution:
     def __init__(self, imageresolution=None, maxage=None):
         super(ImageRequestOptions, self).__init__()
         self.image_resolution = imageresolution
-        self.max_age = maxage
+        self.max_age = to_int("maxage", maxage)
 
     def apply_query_params(self, url):
         params = []
@@ -146,10 +153,11 @@ class Orientation:
         Portrait = "portrait"
         Landscape = "landscape"
 
-    def __init__(self, page_type=None, orientation=None):
+    def __init__(self, page_type=None, orientation=None, maxage=None):
         super(PDFRequestOptions, self).__init__()
         self.page_type = page_type
         self.orientation = orientation
+        self.max_age = to_int("maxage", maxage)
 
     def apply_query_params(self, url):
         params = []
@@ -159,6 +167,17 @@ def apply_query_params(self, url):
         if self.orientation:
             params.append('orientation={0}'.format(self.orientation))
 
+        if self.max_age:
+            params.append('maxAge={0}'.format(self.max_age))
+
         self._append_view_filters(params)
 
         return "{0}?{1}".format(url, '&'.join(params))
+
+
+def to_int(name, value):
+    try:
+        return int(value)
+    except ValueError:
+        print("Integer value expected for the '{}' parameter, but got {}".format(name, value))
+        raise