Rewrite update code to use flask app_context()

update.py

@@ -10,6 +10,7 @@ from email.message import EmailMessage
 from email.utils import formatdate, make_msgid
 from time import time
 
+import flask
 import requests
 
 import agenda.fx
@@ -18,14 +19,13 @@ import agenda.types
 import agenda.uk_holiday
 import agenda.waste_schedule
 from agenda import gwr
-
-config = __import__("config.default", fromlist=[""])
+from web_view import app
 
 
-async def update_bank_holidays() -> None:
+async def update_bank_holidays(config: flask.config.Config) -> None:
     """Update cached copy of UK Bank holidays."""
     t0 = time()
-    events = await agenda.uk_holiday.get_holiday_list(config.DATA_DIR)
+    events = await agenda.uk_holiday.get_holiday_list(config["DATA_DIR"])
     time_taken = time() - t0
     if not sys.stdin.isatty():
         return
@@ -33,11 +33,11 @@ async def update_bank_holidays() -> None:
     print(f"took {time_taken:.1f} seconds")
 
 
-async def update_bristol_bins() -> None:
+async def update_bristol_bins(config: flask.config.Config) -> None:
     """Update waste schedule from Bristol City Council."""
     t0 = time()
     events = await agenda.waste_schedule.get_bristol_gov_uk(
-        date.today(), config.DATA_DIR, config.BRISTOL_UPRN, refresh=True
+        date.today(), config["DATA_DIR"], config["BRISTOL_UPRN"], refresh=True
     )
     time_taken = time() - t0
     if not sys.stdin.isatty():
@@ -47,30 +47,30 @@ async def update_bristol_bins() -> None:
     print(f"took {time_taken:.1f} seconds")
 
 
-def send_mail(subject: str, body: str) -> None:
+def send_mail(config: flask.config.Config, subject: str, body: str) -> None:
     """Send an e-mail."""
     msg = EmailMessage()
 
     msg["Subject"] = subject
-    msg["To"] = f"{config.NAME} <{config.MAIL_TO}>"
-    msg["From"] = f"{config.NAME} <{config.MAIL_FROM}>"
+    msg["To"] = f"{config['NAME']} <{config['MAIL_TO']}>"
+    msg["From"] = f"{config['NAME']} <{config['MAIL_FROM']}>"
     msg["Date"] = formatdate()
     msg["Message-ID"] = make_msgid()
 
     # Add extra mail headers
-    for header, value in config.MAIL_HEADERS:
+    for header, value in config["MAIL_HEADERS"]:
         msg[header] = value
 
     msg.set_content(body)
 
-    s = smtplib.SMTP(config.SMTP_HOST)
-    s.sendmail(config.MAIL_TO, [config.MAIL_TO], msg.as_string())
+    s = smtplib.SMTP(config["SMTP_HOST"])
+    s.sendmail(config["MAIL_TO"], [config["MAIL_TO"]], msg.as_string())
     s.quit()
 
 
-def update_gwr_advance_ticket_date() -> None:
+def update_gwr_advance_ticket_date(config: flask.config.Config) -> None:
     """Update GWR advance ticket date cache."""
-    filename = os.path.join(config.DATA_DIR, "advance-tickets.html")
+    filename = os.path.join(config["DATA_DIR"], "advance-tickets.html")
     existing_html = open(filename).read()
     existing_date = gwr.extract_weekday_date(existing_html)
 
@@ -92,12 +92,12 @@ New date: {new_date}
 
 Agenda: https://edwardbetts.com/agenda/
 """
-    send_mail(subject, body)
+    send_mail(config, subject, body)
 
 
-def update_thespacedevs() -> None:
+def update_thespacedevs(config: flask.config.Config) -> None:
     """Update cache of space launch API."""
-    rocket_dir = os.path.join(config.DATA_DIR, "thespacedevs")
+    rocket_dir = os.path.join(config["DATA_DIR"], "thespacedevs")
 
     t0 = time()
     rockets = agenda.thespacedevs.next_launch_api(rocket_dir)
@@ -108,11 +108,11 @@ def update_thespacedevs() -> None:
     print(f"took {time_taken:.1f} seconds")
 
 
-def update_gandi() -> None:
+def update_gandi(config: flask.config.Config) -> None:
     """Retrieve list of domains from gandi.net."""
     url = "https://api.gandi.net/v5/domain/domains"
-    headers = {"authorization": "Bearer " + config.GANDI_TOKEN}
-    filename = os.path.join(config.DATA_DIR, "gandi_domains.json")
+    headers = {"authorization": "Bearer " + config["GANDI_TOKEN"]}
+    filename = os.path.join(config["DATA_DIR"], "gandi_domains.json")
 
     r = requests.request("GET", url, headers=headers)
     items = r.json()
@@ -127,16 +127,17 @@ def main() -> None:
     now = datetime.now()
     hour = now.hour
 
+    with app.app_context():
         if hour % 3 == 0:
-        asyncio.run(update_bank_holidays())
-        asyncio.run(update_bristol_bins())
-        update_gwr_advance_ticket_date()
-        update_gandi()
+            asyncio.run(update_bank_holidays(app.config))
+            asyncio.run(update_bristol_bins(app.config))
+            update_gwr_advance_ticket_date(app.config)
+            update_gandi(app.config)
 
         if hour % 12 == 0:
-        agenda.fx.get_exchange_rates(config)
+            agenda.fx.get_rates(app.config)
 
-    update_thespacedevs()
+        update_thespacedevs(app.config)
 
 
 if __name__ == "__main__":