allow parsing from text files (for calendars on whiteboard)

compsci.txt

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+Inheritance
+Lab Day 1 - Code Tracing
+Lab Day 2 - Coding
+Lab Day 3 - Coding

parse_txt.py

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+from json import load
+from datetime import time, datetime, timedelta
+from ical.calendar import Calendar
+from ical.event import Event
+from ical.calendar_stream import IcsCalendarStream
+from pathlib import Path
+
+calendar = Calendar()
+CLASS = "compsci"
+
+CLASS_START = time(hour=1+12, minute=30)
+CLASS_END = time(hour=2+12, minute=45)
+
+this_monday = datetime.today()
+if datetime.now().weekday == 4: # is a friday, go to next week
+    this_monday += timedelta(days=-this_monday.weekday(), weeks=1) # black magic
+else: # not a friday, go to this week
+    this_monday -= timedelta(days=this_monday.weekday()) # black magic
+
+print(this_monday)
+
+weekday = 0
+
+for title in Path("compsci.txt").read_text().splitlines():
+    day = this_monday + timedelta(days=weekday)
+    weekday += 1
+
+    if title.strip == "":
+        continue
+    
+    calendar.events.append(
+        Event(summary=title, start=datetime.combine(day, CLASS_START), end=datetime.combine(day, CLASS_END))
+    )
+
+with open(f"{CLASS}.ics", "w") as ics_file:
+    ics_file.write(IcsCalendarStream.calendar_to_ics(calendar))