Refresh-Endpoint, Logging mit Timestamp, 12h-Intervall, PDF-Fehler-Logs

kantine2ical.py

@@ -6,6 +6,7 @@ Termine täglich 12:00 mit allen Tagesgerichten (I. bis V.).
 
 import argparse
 import io
+import logging
 import re
 from datetime import date, datetime, time
 from zoneinfo import ZoneInfo
@@ -33,6 +34,7 @@ DATE_LINE_RE = re.compile(
 DISH_LINE_RE = re.compile(r"^\s*(IV\.?|V\.?|I{1,3}\.?)\s*(.*)$", re.IGNORECASE)
 
 ROMAN_ORDER = {"I": 1, "II": 2, "III": 3, "IV": 4, "V": 5}
+_log = logging.getLogger(__name__)
 
 
 def fetch_speiseplan_pdf_urls(base_url: str = BASE_URL) -> list[str]:
@@ -177,7 +179,9 @@ def refresh_speiseplan(base_url: str = BASE_URL) -> tuple[dict[date, list[str]],
     try:
         urls = fetch_speiseplan_pdf_urls(base_url)
         if not urls:
+            _log.warning("refresh_speiseplan: Keine PDF-URLs gefunden auf %s", base_url)
             return None
+        _log.info("refresh_speiseplan: %d PDF(s) gefunden", len(urls))
         all_parsed: list[list[tuple[date, list[str]]]] = []
         for url in urls:
             try:
@@ -185,14 +189,19 @@ def refresh_speiseplan(base_url: str = BASE_URL) -> tuple[dict[date, list[str]],
                 text = extract_text_from_pdf(pdf_bytes)
                 days = parse_speiseplan_text(text)
                 all_parsed.append(days)
-            except Exception:
+                _log.info("refresh_speiseplan: %s -> %d Tage", url.split("/")[-1], len(days))
+            except Exception as e:
+                _log.exception("refresh_speiseplan: PDF fehlgeschlagen %s: %s", url, e)
                 continue
         if not all_parsed:
+            _log.warning("refresh_speiseplan: Kein PDF erfolgreich gelesen")
             return None
         by_date = merge_day_events(all_parsed)
         ical_bytes = build_ical_bytes(by_date)
+        _log.info("refresh_speiseplan: %d Termine im Kalender", len(by_date))
         return (by_date, ical_bytes)
-    except Exception:
+    except Exception as e:
+        _log.exception("refresh_speiseplan: Ablauf fehlgeschlagen: %s", e)
         return None