office door

requirements.txt

blinkt; sys_platform == "linux"
google-api-python-client
google-auth-httplib2
google-auth-oauthlib
python-dateutil

show_status.py

from datetime import datetime
import os.path
import pickle
import time

try:
    import blinkt
    blinkt_present = True
except:
    blinkt_present = False

from dateutil import parser
from googleapiclient.discovery import build
from google_auth_oauthlib.flow import InstalledAppFlow
from google.auth.transport.requests import Request

if blinkt_present:
    blinkt.set_clear_on_exit(True)

# If modifying these scopes, delete the file token.pickle
SCOPES = ["https://www.googleapis.com/auth/calendar.readonly"]

CALENDAR_ID = "" # ID of the calendar to use
COLOURS = {"BUSY": (255, 0, 0), "FREE": (0, 255, 0)}
QUERY_DELAY = 10  # Time in seconds to delay between querying the Google Calendar API
MAX_EVENTS_PER_CAL = 5

credentials = None
# The file token.pickle stores the user's access and refresh tokens, and is
# created automatically when the authorization flow completes for the first
# time.
if os.path.exists("token.pickle"):
    with open("token.pickle", "rb") as token:
        credentials = pickle.load(token)
# If there are no (valid) credentials available, let the user log in.
if not credentials or not credentials.valid:
    if credentials and credentials.expired and credentials.refresh_token:
        credentials.refresh(Request())
    else:
        flow = InstalledAppFlow.from_client_secrets_file("credentials.json", SCOPES)
        credentials = flow.run_console()
    # Save the credentials for the next run
    with open("token.pickle", "wb") as token:
        pickle.dump(credentials, token)

service = build("calendar", "v3", credentials=credentials)

last_check = None

def get_events(calendar_id):
    events = (service.events().list(
        calendarId=calendar_id,
        timeMin=datetime.utcnow().isoformat() + "Z",
        maxResults=MAX_EVENTS_PER_CAL,
        singleEvents=True,
        orderBy="startTime",
        )
        .execute()
    )
    return events.get("items", [])

def valid_event(event):
    datestr = event["start"].get("dateTime", event["start"].get("date"))
    delta = parser.isoparse(datestr).replace(tzinfo=None) - datetime.now()
    if delta.days < 0:
        # Event is happening now
        for attendee in event.get("attendees", []):
            if attendee.get("self") and attendee.get("responseStatus") == "accepted":
                # At least one attendee, and calendar owner is attending
                return True

while True:

    if last_check is None or time.monotonic() >= last_check + QUERY_DELAY:
        events = [e for e in get_events(CALENDAR_ID) if valid_event(e)]
        last_check = time.monotonic()
        status = "BUSY" if len(events) > 0 else "FREE"
        if blinkt_present:
            print(f"Setting blinkt to: {COLOURS[status]}")
            blinkt.set_all(*COLOURS[status])
            blinkt.show()
        print(f"Status: {status}")