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Pi_Calendar.py
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Pi_Calendar.py
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import calendar
from datetime import datetime
import requests
import os
from icalendar import Calendar
class PiCalendarDelegate:
def __init__(self, root_path = "./CalendarDelegate"):
self.url = ""
self.ics_path = ""
self.root_path = root_path
def load_url(self, url = None):
if not url:
print("Input iCalendar subscription url.")
exit(1)
if url.startswith("webcal"):
url = url.replace("webcal", "https")
self.url = url
def subscribe(self):
return requests.get(self.url)
def download(self):
resp = requests.get(self.url)
self.ics_path = os.path.join(self.root_path, 'calendar.ics')
with open(self.ics_path, 'w') as f:
f.write(resp.text)
def read_components(self):
with open(self.ics_path, 'r') as ics:
ical = Calendar.from_ical(ics.read())
events = [e for e in ical.walk('vevent')]
return events
def fetch_events(self, url):
self.load_url(url)
resp = self.subscribe()
ical = Calendar.from_ical(resp.text)
events = [e for e in ical.walk('vevent')]
return events
def sanitize(self, events, number = -1):
today = datetime.timestamp(datetime.now())
ret = []
counter = 0
events = sorted(events, key = lambda i: i['dtstart'].dt)
for e in events:
if counter >= number and number >= 0:
break
date = datetime.timestamp(e['dtstart'].dt)
if date < today:
continue
else:
ret.append({'summary':str(e['summary']), 'datestart':e['dtstart'].dt, 'dateend':e['dtend'].dt})
counter += 1
return ret