86 lines
3.2 KiB
Python
Executable File
86 lines
3.2 KiB
Python
Executable File
import datetime
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from yaml import load, FullLoader
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from icalendar.parser import Contentlines, Contentline
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from dateutil.rrule import rrule, FREQNAMES
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import caldav
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class Task:
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def __init__(self, reference_date, name, data):
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self.ref_date = reference_date
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self.name = name
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data['start']['freq'] = FREQNAMES.index(data['start']['freq'])
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self.date_begin = rrule(count=1, dtstart=reference_date, **data['start'])[0]
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self.date_end = self.date_begin + datetime.timedelta(microseconds=-1, **data['duration'])
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self.title = data['title']
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self.body = data['body']
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self.priority = data['priority']
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def to_ical(self):
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current_dtstamp = datetime.datetime.now().strftime('%Y%m%dT%H%M%SZ')
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uid = f"CaldavRecurringTask-{self.name}-{self.date_end.strftime('%Y%m%d')}"
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c = Contentlines([
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Contentline('BEGIN:VCALENDAR'),
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Contentline('VERSION:2.0'),
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Contentline('PRODID:-//DorfsvaldNet//CaldavRecuringTaskClient//FR'),
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Contentline('BEGIN:VTODO'),
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Contentline(f'DTSTAMP:{current_dtstamp}'),
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Contentline(f'UID:{uid}'),
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Contentline(f'CREATED:{current_dtstamp}'),
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Contentline(f'LAST-MODIFIED:{current_dtstamp}'),
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Contentline(f'SEQUENCE:{"4"}'),
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Contentline(f'DESCRIPTION:{self.body}'),
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Contentline(f'SUMMARY:{self.title}'),
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Contentline(f'PRIORITY:{self.priority}'),
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Contentline(f'DUE;VALUE=DATE:{self.date_end.strftime("%Y%m%d")}'),
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Contentline(f'DTSTART;VALUE=DATE:{self.date_begin.strftime("%Y%m%d")}'),
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Contentline('PERCENT-COMPLETE:0'),
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Contentline('STATUS:NEEDS-ACTION'),
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Contentline('END:VTODO'),
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Contentline('END:VCALENDAR')
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])
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return c.to_ical()
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class Client:
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def __init__(self, url, username, password, calendar_name):
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self.client = caldav.DAVClient(url, username=username, password=password)
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self.principal = self.client.principal()
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self.calendar = None
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for c in self.principal.calendars():
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if c.name == calendar_name:
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self.calendar = c
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break
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if self.calendar is None:
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raise LookupError('No calendar named "{}" found'.format(calendar_name))
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def add_event(self, new_task):
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self.calendar.add_event(new_task.to_ical())
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if __name__ == "__main__":
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with open('./configuration.yml', 'r') as configuration_file:
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conf = load(configuration_file.read(), Loader=FullLoader)
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ref_date = datetime.date.today() + datetime.timedelta(days=2)
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with open('tasks.yml', 'r') as content_file:
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tasks_conf = load(content_file.read(), Loader=FullLoader)
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task_list = []
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for task_name, task_data in tasks_conf.items():
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t = Task(ref_date, task_name, task_data)
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if t.date_begin.date() == ref_date:
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task_list.append(t)
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if task_list:
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server = conf['dav_server']
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client = Client(server['url'], server['user'], server['pass'], server['calendar'])
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for task in task_list:
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client.add_event(task)
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print('process finished: {} tasks created'.format(len(task_list)))
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