update getting started samples

Add one showing proxy use

samples/getting_started/1_hello_server.py

@@ -1,7 +1,7 @@
 ####
 # Getting started Part One of Three
 # This script demonstrates how to use the Tableau Server Client to connect to a server
-# You don't need to have a site or any experience with Tableau to run it
+# You don't need to have a site or any experience with Tableau to run it - just know where your server is.
 #
 ####
 

samples/getting_started/2_hello_site.py

@@ -32,6 +32,7 @@ def main():
     tableau_auth = TSC.TableauAuth(username, password, site_id=site_url_name)
 
     # OR instead of username+password, uncomment this section to use a Personal Access Token
+    # by commenting out the three lines above, and uncommenting these three lines
     # token_name = "your-token-name"
     # token_value = "your-token-value-long-random-string"
     # tableau_auth = TSC.PersonalAccessTokenAuth(token_name, token_value, site_id=site_url_name)

samples/getting_started/4_proxy_connections.py

@@ -0,0 +1,56 @@
+####
+# Getting Started: Optional Part 4
+# This script demonstrates how to connect to Tableau Cloud/Server through a proxy.
+# To make it easy to run, it doesn't take any arguments - you need to edit the code with your info
+####
+
+import getpass
+import tableauserverclient as TSC
+
+
+def main():
+    # 1 - replace with your server url
+    server_url = "https://10ax.online.tableau.com"
+
+    # 2 - add your proxy details to the server connection info
+    # You can also set any of the parameters of the requests.send() call shown here: stream, cert, or timeout
+    # https://requests.readthedocs.io/en/latest/user/advanced/#prepared-requests
+    use_ssl = True
+    my_proxies = {
+        'http': 'http://10.10.1.10:3128',
+        'https': 'http://10.10.1.10:1080',
+    }
+    server = TSC.Server(server_url, use_server_version=True, http_options={"verify": use_ssl, "proxies": my_proxies})
+
+    print("Connected to {}".format(server.server_info.baseurl))
+
+    # 3 - replace with your site name exactly as it looks in a url
+    # e.g https://my-server/#/this-is-your-site-url-name/
+    site_url_name = ""  # leave empty if there is no site name in the url (you are on the default site)
+
+    # 4
+    username = "your-username-here"
+    password = getpass.getpass("Your password:")  # so you don't save it in this file
+    tableau_auth = TSC.TableauAuth(username, password, site_id=site_url_name)
+
+    # OR instead of username+password, use a Personal Access Token (PAT) (required by Tableau Cloud)
+    # by commenting out the three lines above, and uncommenting these three lines
+    # token_name = "your-token-name"
+    # token_value = "your-token-value-long-random-string"
+    # tableau_auth = TSC.PersonalAccessTokenAuth(token_name, token_value, site_id=site_url_name)
+
+    with server.auth.sign_in(tableau_auth):
+        projects, pagination = server.projects.get()
+        if projects:
+            print("{} projects".format(pagination.total_available))
+            for project in projects:
+                print(project.name)
+
+        jobs, pagination = server.jobs.get()
+        if jobs:
+            print("{} jobs".format(pagination.total_available))
+            print(jobs[0])
+
+
+if __name__ == "__main__":
+    main()