Retry requests if Launchpad fails to reply

uitwww/launchpad.py

@@ -23,8 +23,15 @@ BASE = "https://api.launchpad.net/devel"
 def fetch_paginated(initial):
     """Fetch paginated data"""
     next_url = initial
-    while True:
-        data = requests.get(next_url).json()
+    retry_count = 0
+    while retry_count < 5:
+        resp = requests.get(next_url)
+        if resp.status_code == 200:
+            retry_count = 0
+            data = resp.json()
+        else:
+            retry_count += 1
+            continue
 
         for entry in data["entries"]:
             yield entry
@@ -33,6 +40,9 @@ def fetch_paginated(initial):
             break
         next_url = data["next_collection_link"]
 
+    if retry_count:
+        raise RuntimeError("Failed to contact launchpad!")
+
 
 def get_cdimage_mirrors(distro, country):
     """Get a list of cdimage mirrors"""