68 lines
2.5 KiB
Python
Executable file
68 lines
2.5 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
|
|
import requests
|
|
import json
|
|
import icalendar
|
|
from datetime import datetime, timedelta
|
|
import hashlib
|
|
import time
|
|
import re
|
|
import sys
|
|
|
|
OFFSET = -time.timezone
|
|
events_url = "https://bitlair.nl/Special:Ask/-5B-5BCategory:Event-5D-5D-20-5B-5BStart::%E2%89%A519-20January-202023-5D-5D/-3FStart/-3FEnd/-3FEvent-20location/mainlabel%3D/limit%3D50/order%3DASC/sort%3DStart/prettyprint%3Dtrue/format%3Djson"
|
|
# above URL asks for all events and returns their name, start, end and location
|
|
events_page = requests.get(events_url)
|
|
events = events_page.json()
|
|
|
|
cal = icalendar.Calendar()
|
|
|
|
# Some properties are required to be compliant
|
|
cal.add('prodid', '-//Bitlair event calendar//bitlair.nl//')
|
|
cal.add('version', '2.0')
|
|
|
|
for page_path, value in events['results'].items():
|
|
# Unix timestamps from semwiki are not in UTC but in $localtime
|
|
start_time = None
|
|
end_time = None
|
|
if (tt := value['printouts']['Start']) and tt:
|
|
start_time = datetime.fromtimestamp(int(tt[0]['timestamp']) - OFFSET)
|
|
if (tt := value['printouts']['End']) and tt:
|
|
end_time = datetime.fromtimestamp(int(tt[0]['timestamp']) - OFFSET)
|
|
|
|
if not start_time:
|
|
continue
|
|
if not end_time:
|
|
end_time = start_time + timedelta(hours=4)
|
|
|
|
# Remove preceding 'Events/YYYY-MM-DD ' if existant from pagename to result in the actual event name
|
|
eventname = page_path
|
|
if (m := re.search(r"Events\/....-..-.. (.*)", page_path)) and m:
|
|
eventname = m[1]
|
|
|
|
# If an event ends when humans are usually asleep, truncate the time range to midnight.
|
|
# This prevents calendar items from cluttering the next day when viewed.
|
|
if end_time.hour < 6:
|
|
end_time = datetime(end_time.year, end_time.month, end_time.day, 23, 59) - timedelta(days=1)
|
|
|
|
event = icalendar.Event()
|
|
event.add('summary', eventname)
|
|
|
|
event.add('description', f'{page_path}\n {value["fullurl"]}')
|
|
event.add('dtstamp', datetime.now())
|
|
event.add('dtstart', start_time)
|
|
event.add('dtend', end_time)
|
|
event.add('url', value['fullurl'])
|
|
event['location'] = icalendar.vText(value['printouts']['Event location'][0]['fulltext'])
|
|
|
|
url_hash_substr = hashlib.md5(value["fullurl"].encode()).hexdigest()[0:10]
|
|
# we need to use something that is relatively safe as a UID, so use the first 10 characters of the hexdigest of the wikiurl
|
|
event['uid'] = f'{url_hash_substr}@bitlair.nl'
|
|
|
|
# Add the event to the calendar
|
|
cal.add_component(event)
|
|
|
|
|
|
f = open(sys.argv[1], 'wb')
|
|
f.write(cal.to_ical())
|
|
f.close()
|