Make North Somerset bin collection code async

Closes: #55

agenda/__init__.py

@@ -290,12 +290,12 @@ def get_accommodation(filepath: str) -> list[Event]:
         ]
 
 
-def waste_collection_events() -> list[Event]:
+async def waste_collection_events() -> list[Event]:
     """Waste colllection events."""
     postcode = "BS48 3HG"
     uprn = "24071046"
 
-    html = waste_schedule.get_html(data_dir, postcode, uprn)
+    html = await waste_schedule.get_html(data_dir, postcode, uprn)
     root = lxml.html.fromstring(html)
     events = waste_schedule.parse(root)
     return events
@@ -324,11 +324,13 @@ async def get_data(now: datetime) -> typing.Mapping[str, str | object]:
         gwr_advance_tickets,
         bank_holiday,
         rockets,
+        backwell_bins,
     ) = await asyncio.gather(
         fx.get_gbpusd(config),
         gwr.advance_ticket_date(data_dir),
         get_next_bank_holiday(last_year, next_year),
         thespacedevs.get_launches(rocket_dir, limit=40),
+        waste_collection_events(),
     )
 
     reply = {
@@ -383,7 +385,7 @@ async def get_data(now: datetime) -> typing.Mapping[str, str | object]:
     events += get_accommodation(os.path.join(my_data, "accommodation.yaml"))
     events += travel.all_events(today, config["data"]["personal-data"])
     events += conference.get_list(os.path.join(my_data, "conferences.yaml"))
-    events += waste_collection_events() + bristol_waste_collection_events(today)
+    events += backwell_bins + bristol_waste_collection_events(today)
 
     next_up_series = Event(
         date=date(2026, 6, 1),

agenda/waste_schedule.py

@@ -8,6 +8,7 @@ from datetime import date, datetime, timedelta
 
 import lxml.html
 import requests
+import httpx
 
 from .types import Event
 
@@ -21,7 +22,7 @@ def make_waste_dir(data_dir: str) -> None:
         os.mkdir(waste_dir)
 
 
-def get_html(data_dir: str, postcode: str, uprn: str) -> str:
+async def get_html(data_dir: str, postcode: str, uprn: str) -> str:
     """Get waste schedule."""
     now = datetime.now()
     waste_dir = os.path.join(data_dir, "waste")
@@ -41,15 +42,16 @@ def get_html(data_dir: str, postcode: str, uprn: str) -> str:
     now_str = now.strftime("%Y-%m-%d_%H:%M")
     filename = f"{waste_dir}/{now_str}.html"
 
-    r = requests.post(
-        "https://forms.n-somerset.gov.uk/Waste/CollectionSchedule",
-        data={
-            "PreviousHouse": "",
-            "PreviousPostcode": "-",
-            "Postcode": postcode,
-            "SelectedUprn": uprn,
-        },
-    )
+    async with httpx.AsyncClient() as client:
+        r = await client.post(
+            "https://forms.n-somerset.gov.uk/Waste/CollectionSchedule",
+            data={
+                "PreviousHouse": "",
+                "PreviousPostcode": "-",
+                "Postcode": postcode,
+                "SelectedUprn": uprn,
+            },
+        )
     html = r.text
     open(filename, "w").write(html)
     return html