www/tools/merge_cals.py

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#!/usr/bin/env python3
from glob import glob
import icalendar
import pytz
cals=[]
merged=icalendar.Calendar()
merged.add('prodid', '-//CCCB Calendar Generator//berlin.ccc.de//')
merged.add('version', '2.0')
for icsfilestr in glob("public/*/**/*.ics", recursive=True):
with open(icsfilestr, 'r') as icsfile:
print("Importing", icsfilestr)
cals.append(icalendar.Calendar.from_ical(icsfile.read()))
for cal in cals:
for e in cal.subcomponents:
merged.add_component(e)
outfile="static/all.ics"
with open(outfile, 'wb') as f:
print(f"writing to {outfile}...")
f.write(merged.to_ical())