Catch HTTP timeout and return cached data

Closes: #65

agenda/thespacedevs.py

@@ -1,3 +1,5 @@
+"""Get details of upcoming space launches."""
+
 import json
 import os
 import typing
@@ -118,8 +120,8 @@ async def get_launches(rocket_dir: str, limit: int = 200) -> list[Summary]:
     if not existing or (now - existing[0][0]).seconds > 3600:  # one hour
         try:
             return await next_launch_api(rocket_dir, limit=limit)
-        except ValueError:
-            print("*** SpaceX next launch error ***")
+        except httpx.ReadTimeout:
+            pass
 
     f = existing[0][1]
 

agenda/uk_holiday.py

@@ -39,7 +39,6 @@ async def bank_holiday_list(
 def get_mothers_day(input_date: date) -> date:
     """Calculate the date of the next UK Mother's Day from the current date."""
     current_year = input_date.year
-
     easter_date = easter(current_year)
 
     # Calculate the date of Mother's Day, which is the fourth Sunday of Lent

agenda/waste_schedule.py

@@ -118,16 +118,19 @@ async def get_bristol_data(data_dir: str, uprn: str) -> BristolSchedule:
         recent = datetime.strptime(recent_filename, f"%Y-%m-%d_%H:%M_{uprn}.json")
         delta = now - recent
 
-    if existing and delta < timedelta(hours=ttl_hours):
+    def get_from_recent() -> BristolSchedule:
         json_data = json.load(open(os.path.join(waste_dir, recent_filename)))
         return typing.cast(BristolSchedule, json_data["data"])
 
-    now_str = now.strftime("%Y-%m-%d_%H:%M")
-    filename = f"{waste_dir}/{now_str}_{uprn}.json"
+    if existing and delta < timedelta(hours=ttl_hours):
+        return get_from_recent()
 
+    try:
         r = await get_bristol_gov_uk_data(uprn)
+    except httpx.ReadTimeout:
+        return get_from_recent()
 
-    with open(filename, "wb") as out:
+    with open(f'{waste_dir}/{now.strftime("%Y-%m-%d_%H:%M")}_{uprn}.json', "wb") as out:
         out.write(r.content)
 
     return typing.cast(BristolSchedule, r.json()["data"])

templates/index.html

@@ -63,7 +63,7 @@
   "us_holiday": "US holiday",
   "uk_clock_change": "UK clock change",
   "us_clock_change": "US clock change",
-  "next_us_presidential_election": "US pres. election",
+  "us_presidential_election": "US pres. election",
   "xmas_last_second": "Christmas last posting 2nd class",
   "xmas_last_first": "Christmas last posting 1st class",
   "up_series": "Up documentary",