link calendarId to config.py to ease user setup

scripts/config.py

@@ -4,6 +4,13 @@ from pathlib import Path
 def get_week(d=datetime.today()):
     return (int(d.strftime("%W")) + 52 - 5) % 52
 
+# default is 'primary', if you are using a separate calendar for your course schedule,
+# your calendarId (which you can find by going to your Google Calendar settings, selecting
+# the relevant calendar and scrolling down to Calendar ID) probably looks like
+# xxxxxxxxxxxxxxxxxxxxxxxxxg@group.calendar.google.com
+# example:
+# USERCALENDARID = 'xxxxxxxxxxxxxxxxxxxxxxxxxg@group.calendar.google.com'
+USERCALENDARID = 'primary'
 CURRENT_COURSE_SYMLINK = Path('~/current_course').expanduser()
 CURRENT_COURSE_ROOT = CURRENT_COURSE_SYMLINK.resolve()
 CURRENT_COURSE_WATCH_FILE = Path('/tmp/current_course').resolve()

scripts/countdown.py

@@ -21,6 +21,7 @@ from google_auth_oauthlib.flow import InstalledAppFlow
 from google.auth.transport.requests import Request
 
 from courses import Courses
+from config import USERCALENDARID
 
 courses = Courses()
 
@@ -186,7 +187,7 @@ def main():
             if 'dateTime' in event['start']
         ]
 
-    events = get_events('primary')
+    events = get_events(userCalendarId)
     # events = get_events('primary') + get_events('school-calendar@import.calendar.google.com')
     print('Done')