Refine calendar event data display, prevent overlapping and display

event's end time.

python_scripts/epaper_calendar_data.py

@@ -5,8 +5,9 @@ CALENDAR_NAMES = {
 }
 DAY_NAMES = ["Mo", "Di", "Mi", "Do", "Fr", "Sa", "So"]
 MAX_ENTRIES = 8
-MAX_TITLE_LENGTH = 28
-MAX_META_LENGTH = 32
+# Reserve the right side of each row for start and end times.
+MAX_TITLE_LENGTH = 19
+MAX_META_LENGTH = 28
 
 
 def shorten(value, maximum):
@@ -19,7 +20,9 @@ def shorten(value, maximum):
 def compact_event(event, calendar_name):
     start = event.get("start", "")
     all_day = "T" not in start
+    end = event.get("end", "")
     time = "ganztägig" if all_day else start[11:16]
+    end_time = "" if all_day or "T" not in end else end[11:16]
 
     location = (event.get("location") or "").split("\n")[0].strip()
     meta = calendar_name
@@ -29,6 +32,7 @@ def compact_event(event, calendar_name):
     return {
         "title": shorten(event.get("summary", "Ohne Titel"), MAX_TITLE_LENGTH),
         "time": time,
+        "end": end_time,
         "meta": shorten(meta, MAX_META_LENGTH),
         "all_day": int(all_day),
     }