Add untested ical export for zeus events

Author: OverkillGuy

ical_export.py

@@ -0,0 +1,35 @@
+from icalendar import Calendar as iCalendar
+from icalendar import Event as iEvent
+
+from .event import Event as ZeusEvent
+
+
+def to_ical(zevent: ZeusEvent) -> iEvent:
+    """Converts a Zeus event to an ical Event (sub)object"""
+    ievent = iEvent()
+    ievent['uid'] = zevent.id
+    ievent['summary'] = zevent.title  # FIXME: Moar words
+    ievent['dtstart'] = zevent.date
+    return ievent
+
+
+def generate_calendar(ievents: list[iEvent]) -> iCalendar:
+    """Aggregates given ical events into a calendar object"""
+    cal = iCalendar()
+    for ievent in ievents:
+        cal.add_component(event)
+    return cal
+
+
+def create_ical_file(ical: iCalendar, filepath: str):
+    with open(filepath, 'w') as ical_file:
+        ical_file.write(ical.to_ical())
+        ical_file.write("\n")  # End of file newline
+
+if __name__ == '__main__':
+     # Fetch a few zeus events, left up to the reader:
+     # events: list[ZeusEvent] = magic_event_fetcher()
+     zevents = []
+     ievents = [to_ical(zevent) for zevent in in zevents]
+     cal = generate_calendar(ievents)
+     create_ical_file("zeus_events.ics")

requirements.txt

@@ -1,2 +1,3 @@
 discord.py>=1.3.4
 pyyaml
+icalendar