89 lines
2.6 KiB
Python
Executable file
89 lines
2.6 KiB
Python
Executable file
#!/usr/bin/env python3
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import sys
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from datetime import datetime, timedelta
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from dateutil.parser import parse
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from dateutil.rrule import rruleset, rrulestr
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import icalendar
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import locale
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import logging
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from pprint import pprint
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def vevent_to_event(event, rrstart=None):
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if rrstart == None:
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begin = parse(event['DTSTART'].to_ical())
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else:
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begin = rrstart
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return { "name": event['SUMMARY'].to_ical(), "url": event['URL'].to_ical(), "begin": begin }
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def parse_single_event(event, start, end):
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logging.info("Processing single event %s" % event['SUMMARY'].to_ical().decode('utf-8'))
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dtstart = parse(event['DTSTART'].to_ical())
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if dtstart >= start and dtstart < end:
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return vevent_to_event(event)
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else:
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return None
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def parse_recurring_event(event, start, end):
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logging.info("Processing recurring event %s" % event['SUMMARY'].to_ical().decode('utf-8'))
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dtstart = parse(event['DTSTART'].to_ical())
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rs = rruleset()
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rs.rrule(rrulestr(event['RRULE'].to_ical().decode('utf-8'), dtstart=dtstart))
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if 'EXDATE' in event.keys():
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exdates = event['EXDATE']
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for exdate in exdates:
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rs.exdate(parse(exdate.to_ical()))
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dates = list(rs)
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events = []
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for date in dates:
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if date >= start and date < end:
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events.append(vevent_to_event(event, date))
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return events
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def find_events(icsfilestr, start, end, num):
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with open(icsfilestr, 'r') as icsfile:
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cal=icalendar.Calendar.from_ical(icsfile.read())
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events=[]
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for event in cal.subcomponents:
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if event.name == 'VEVENT':
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if 'RRULE' in event.keys():
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events = events + parse_recurring_event(event, start, end)
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else:
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ev = parse_single_event(event, start, end)
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if ev != None:
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events.append(ev)
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events = sorted(events, key=lambda k: k['begin'])
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events = events[0:num]
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return events
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def format_events(events):
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print('<table class="table table-condensed">')
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for event in events:
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dateStr = event['begin'].strftime("%A, %d.%m um %H:%M Uhr")
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#print("<li><a href=\"%s\">%s: %s</a></li>" % (event['url'].decode('utf-8'), dateStr, event['name'].decode('utf-8')))
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print("<tr><td>%s</td><td><a href=\"%s\">%s</a></td></tr>"
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% (dateStr, event['url'].decode('utf-8'), event['name'].decode('utf-8')))
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print('</table>')
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def main():
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if len(sys.argv) < 3:
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print("Usage: %s calendar max_days max_items" % sys.argv[0])
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sys.exit(-1)
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locale.setlocale(locale.LC_TIME, "de_DE.UTF-8")
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calendar=sys.argv[1]
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max_days=int(sys.argv[2])
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max_items=int(sys.argv[3])
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events=find_events(calendar, datetime.now(), datetime.now() + timedelta(days=max_days), max_items)
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format_events(events)
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if __name__ == "__main__":
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main()
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