convert taskwarrior tasks to ical entries when they have a scheduled date

tasks_to_ical.py

#!/usr/bin/env python3
import os.path
from ics import Calendar, Event
import subprocess
import json

def read_tasks():
    output = subprocess.check_output(['task', 'export'])
    for task in json.loads(output.decode('utf-8')):
        if task['status'] == 'completed':
            continue
        if 'scheduled' in task:
            yield task


if __name__ == "__main__":
    c = Calendar()
    for task in read_tasks():
        e = Event()
        e.name = task['description']
        e.begin = task['scheduled']
        c.events.append(e)

    with open(os.path.expanduser('~/.local/share/calendar/tasks/tasks.ics'), 'w') as f:
        f.writelines(c)

Ok. That's the solution that worked for me with datetime package (with my corresponding timezone: + 2 hours). I also collected the due field instead of the scheduled field:

#!/usr/bin/env python3

import datetime
from datetime import timedelta
import os.path
from ics import Calendar, Event
import subprocess
import json

def read_tasks():
    output = subprocess.check_output(['task', 'export'])
    for task in json.loads(output.decode('utf-8')):

       if task['status'] == 'completed':
           continue
       if 'due' in task:
           yield task

if __name__ == "__main__":
    c = Calendar()
    for task in read_tasks():
        print(task)

        dt = datetime.datetime.strptime(task["due"], "%Y%m%dT%H%M%S%fZ") + timedelta(hours=2)
        dt = dt.strftime('%Y-%m-%dT%H:%M')
        task["due"] = dt
        e = Event()
        e.name = task['description']
        e.begin = task['due']
        c.events.add(e)
    with open(os.path.expanduser('~/.local/share/calendar/tasks/tasks.ics'), 'w') as f:
        f.writelines(c)