60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
"""
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Take existing calendar and update it slightly
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"""
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from datetime import datetime, time, timedelta
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import requests
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from flask import Flask, Response, request
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from icalendar import Calendar, Event # type: ignore[import]
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from werkzeug.middleware.proxy_fix import ProxyFix
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app = Flask(__name__)
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app.wsgi_app = ProxyFix(app.wsgi_app, x_proto=1) # type: ignore[assignment]
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@app.route('/', methods=['get'])
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def process() -> Response:
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"""
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Fetch ICS url and convert from Events to Todos
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Returns:
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Response: ical response
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"""
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# Fetch existing calendar
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orig = requests.get(request.args['url'])
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days = request.args.get('days', '0')
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hours = request.args.get('hours', '0')
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mins = request.args.get('mins', '0')
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orig_cal = Calendar.from_ical(orig.text)
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cal = Calendar()
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cal.add('version', '2.0')
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cal.add(
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'prodid',
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'-//Scott Wallace//event2task//EN',
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)
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for component in orig_cal.subcomponents:
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if isinstance(component, Event):
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entry = Event()
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entry.add('description', component['description'])
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entry.add('dtstamp', component['dtstamp'])
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entry.add(
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'dtstart',
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datetime.combine(component.decoded('dtstart'), time(0))
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+ timedelta(days=int(days), hours=int(hours), minutes=int(mins)),
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)
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entry.add('dtend', component['dtend'])
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entry.add('summary', component['summary'])
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entry.add('uid', component['uid'])
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cal.add_component(entry)
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return Response(
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cal.to_ical().decode().replace('\\r\\n', '\n').strip(),
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headers={'content-type': 'text/calendar; charset=UTF-8'},
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)
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