Added error handling to find_pr script (#14110)

scripts/find_pr.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 import os
+import json
 
 import click
 import requests
@@ -25,6 +26,11 @@ def main(tags, token, path, last_n_pr):
     ex:
     ./find_pr.py --tags "language/fr" "content/fr/_index.html"
     """
+
+    if not token:
+        print("GitHub token not provided (required)")
+        exit(1)
+
     query = Template("""
     query {
       repository(name: "website", owner: "kubernetes") {
@@ -47,6 +53,8 @@ def main(tags, token, path, last_n_pr):
       }
     }
     """).render(tags=tags, last_n_pr=last_n_pr)
+
+    try:
         r = requests.post("https://api.github.com/graphql",
                           json={"query": query},
                           headers={
@@ -54,6 +62,8 @@ def main(tags, token, path, last_n_pr):
                               "Accept": "application/vnd.github.ocelot-preview+json",
                               "Accept-Encoding": "gzip"
                           })
+        r.raise_for_status()
+
         reply = r.json()
         prs = reply['data']['repository']['pullRequests']['edges']
 
@@ -65,6 +75,15 @@ def main(tags, token, path, last_n_pr):
                     print(pr["node"]["url"])
                     print("----------------")
 
+    except requests.exceptions.HTTPError as err:
+        gh_err_response = json.loads(err.response.text)
+        print("HTTP Error: %d %s" % (err.response.status_code, gh_err_response['message']))
+    except requests.exceptions.ConnectionError as err:
+        print("Error Connecting: %s" % err)
+    except requests.exceptions.Timeout as err:
+        print("Timeout Error: %s" % err)
+    except requests.exceptions.RequestException as err:
+        print("Oops, another error occurred: %s" % err)
 
 if __name__ == '__main__':
     main()