Raphael Maenle
ba912de7f3
- calendar name creates problems, when two calendars have the same name - calendar id is unique and was added into the css of the frontend y
263 lines
8.2 KiB
Python
263 lines
8.2 KiB
Python
from __future__ import print_function
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import datetime
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import dateutil.parser
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import pickle
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import json
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import os.path
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from googleapiclient.discovery import build
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from google_auth_oauthlib.flow import InstalledAppFlow
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from google.auth.transport.requests import Request
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# If modifying these scopes, delete the file token.pickle.
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SCOPES = ["https://www.googleapis.com/auth/userinfo.email", "https://www.googleapis.com/auth/userinfo.profile", "https://www.googleapis.com/auth/calendar.readonly", "openid"]
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API_SERVICE_NAME = 'calendar'
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API_VERSION = 'v3'
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class Event:
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def __init__(self, name_, start_, end_):
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self.name = name_
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self.eventColorId = 0
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self.calendarColorId = 0
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self.naturalColorId = 0
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self.start = start_
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self.end = end_
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self.colorHex = '#adfff5'
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if self.start == None or self.end == None :
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self.allDay = True
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else:
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self.allDay = False
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def startDateTime(self):
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if self.allDay:
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return None
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return self.jsonFromDT(self.start)
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def stopDateTime(self):
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if self.allDay:
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return None
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return self.jsonFromDT(self.end)
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def jsonFromDT(self, string):
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sdt = dateutil.parser.parse(string)
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data = {
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'date': {
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'year': sdt.year,
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'month': sdt.month,
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'day': sdt.day
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},
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'time': {
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'hour': sdt.hour,
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'minute': sdt.minute,
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'second': sdt.second
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}
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}
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return data
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def print(self):
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if self.allDay:
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print(self.name + "All Day")
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else:
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print(self.name + ": " + self.naturalColorId)
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class Calendar:
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def __init__(self, summary_, calendarId_, color_):
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self.summary = summary_
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self.calendarId = calendarId_
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self.color = color_
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def calendarCredentials(token = None):
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creds = None
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# The file token.pickle stores the user's access and refresh tokens, and is
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# created automatically when the authorization flow completes for the first
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# time.
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if token == None:
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if os.path.exists('token.pickle'):
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with open('token.pickle', 'rb') as token:
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token.seek(0)
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creds = pickle.load(token)
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else:
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creds = pickle.load(token)
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# If there are no (valid) credentials available, let the user log in.
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if not creds or not creds.valid:
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if creds and creds.expired and creds.refresh_token:
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creds.refresh(Request())
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else:
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flow = InstalledAppFlow.from_client_secrets_file(
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'credentials.json', SCOPES)
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creds = flow.run_local_server(port=1234)
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# Save the credentials for the next run
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with open('token.pickle', 'wb') as token:
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pickle.dump(creds, token)
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service = build('calendar', 'v3', credentials=creds)
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return service
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def getCalendarColors(service):
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colors = service.colors().get().execute()
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return colors
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def getCalendars(service):
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page_token = None
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calendars = []
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while True:
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calendar_list = service.calendarList().list(pageToken=page_token).execute()
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for calendar in calendar_list['items']:
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calendars.append(Calendar(calendar['summary'], calendar['id'], calendar['colorId']))
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page_token = calendar_list.get('nextPageToken')
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if not page_token:
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break
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return calendars
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def purgeCalendars(calendars, visibleCalendars):
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purged = []
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for calendar in calendars:
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if calendar.calendarId in visibleCalendars:
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purged.append(calendar)
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return purged
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def getCalendarEvents(service, visibleCalendars, startDate, endDate):
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calendars = getCalendars(service)
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calendars = purgeCalendars(calendars, visibleCalendars)
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all_events = []
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for calendar in calendars:
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events_result = service.events().list(calendarId=calendar.calendarId, timeMin=startDate,
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timeMax=endDate,
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maxResults=10, singleEvents=True,
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orderBy='startTime').execute()
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for event in events_result.get('items', []):
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# create simple event
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name = event.get('summary', '(no Title)')
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start = event['start'].get('dateTime')
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end = event['end'].get('dateTime')
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newEvent = Event(name, start, end)
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# handle weird colors from google
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color = event.get('colorId')
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if color == None:
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newEvent.calendarColorId = calendar.color
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else:
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newEvent.eventColorId = color
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all_events.append(newEvent)
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return all_events
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def toCalendarColorId(colormap, colorId):
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for remap in colormap['eventRemap']:
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if remap['from'] == colorId:
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return remap['to']
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print(f"failed with {colorId}")
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return colorId
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def toNaturalColor(colormap, orgColor):
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for remap in colormap['colors']:
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if remap['api'] == orgColor:
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return remap['natural']
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print(f"failed with {orgColor}")
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return orgColor
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def colorizeEvents(allEvents, service):
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COLORS_FILE = os.path.join(os.path.dirname(__file__), 'colors.json')
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with open(COLORS_FILE) as f:
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colormap = json.load(f)
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colors = getCalendarColors(service)
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for event in allEvents:
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event.colorHex = forEventGetColor(event, colormap, colors)
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# this function is only used once for calendar generation stuff
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def fromColorIdGetColor(color, colormap, colors):
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return toNaturalColor(colormap, colors['calendar'][color]['background'])
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def forEventGetColor(event, colormap, colors):
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if event.calendarColorId != 0:
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bg = colors['calendar'][event.calendarColorId]['background']
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else:
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calColorId = toCalendarColorId(colormap, event.eventColorId)
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bg = colors['calendar'][calColorId]['background']
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return toNaturalColor(colormap, bg)
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def toJson(events):
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data = {}
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data['kind'] = 'calendar#events'
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data['events'] = []
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for event in events:
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if event.allDay:
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continue
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data['events'].append({
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'name': event.name,
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'isAllDay': event.allDay,
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'color': event.colorHex,
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'startDateTime': event.startDateTime(),
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'stopDateTime': event.stopDateTime()
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})
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return data
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def printColors(colors):
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for i in range(1, 25):
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col = colors['event'][str(i)]['background']
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print(f"{i}: {col}")
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def main():
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generateJsonFromCalendarEntries()
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def getCalendarList(credentials = None):
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# create service
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if credentials == None:
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credentials = calendarCredentials()
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service = build(API_SERVICE_NAME, API_VERSION, credentials=credentials)
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calendars = getCalendars(service)
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COLORS_FILE = os.path.join(os.path.dirname(__file__), 'colors.json')
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with open(COLORS_FILE) as f:
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colormap = json.load(f)
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colors = getCalendarColors(service)
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for calendar in calendars:
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calendar.color = fromColorIdGetColor(calendar.color, colormap, colors)
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return calendars
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def generateJsonFromCalendarEntries(visibleCalendars, credentials = None):
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# create service
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if credentials == None:
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credentials = calendarCredentials()
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service = build(API_SERVICE_NAME, API_VERSION, credentials=credentials)
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# define today and tomorrow
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now = datetime.datetime.now(datetime.timezone.utc).astimezone()
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today = now.replace(hour=0, minute=0, second = 0).isoformat()
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tomorrow = now.replace(hour=23, minute=59, second=59).isoformat() # + '+01:00'
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allEvents = getCalendarEvents(service, visibleCalendars, today, tomorrow)
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colorizeEvents(allEvents, service)
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# if not events:
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# print('No upcoming events found.')
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return toJson(allEvents)
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if __name__ == '__main__':
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main()
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